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Appendix A. Reference Evapotranspiration (ETo) Table

23 CA ADC Div. 2 Ch. 2.7 App. ABarclays Official California Code of Regulations

Barclays California Code of Regulations
Title 23. Waters
Division 2. Department of Water Resources
Chapter 2.7. Model Water Efficient Landscape Ordinance
23 CCR Div. 2 Ch. 2.7 App. A
Appendix A. Reference Evapotranspiration (ETo) Table
Currentness
Appendix A - Reference Evapotranspiration (ETo) Table*
County and City
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Annual ETo
ALAMEDA
Fremont
1.5
1.9
3.4
4.7
5.4
6.3
6.7
6.0
4.5
3.4
1.8
1.5
47.0
Livermore
1.2
1.5
2.9
4.4
5.9
6.6
7.4
6.4
5.3
3.2
1.5
0.9
47.2
Oakland
1.5
1.5
2.8
3.9
5.1
5.3
6.0
5.5
4.8
3.1
1.4
0.9
41.8
Oakland Foothills
1.1
1.4
2.7
3.7
5.1
6.4
5.8
4.9
3.6
2.6
1.4
1.0
39.6
Pleasanton
0.8
1.5
2.9
4.4
5.6
6.7
7.4
6.4
4.7
3.3
1.5
1.0
46.2
Union City
1.4
1.8
3.1
4.2
5.4
5.9
6.4
5.7
4.4
3.1
1.5
1.2
44.2
ALPINE
Markleeville
0.7
0.9
2.0
3.5
5.0
6.1
7.3
6.4
4.4
2.6
1.2
0.5
40.6
AMADOR
Jackson
1.2
1.5
2.8
4.4
6.0
7.2
7.9
7.2
5.3
3.2
1.4
0.9
48.9
Shanandoah Valley
1.0
1.7
2.9
4.4
5.6
6.8
7.9
7.1
5.2
3.6
1.7
1.0
48.8
BUTTE
Chico
1.2
1.8
2.9
4.7
6.1
7.4
8.5
7.3
5.4
3.7
1.7
1.0
51.7
Durham
1.1
1.8
3.2
5.0
6.5
7.4
7.8
6.9
5.3
3.6
1.7
1.0
51.1
Gridley
1.2
1.8
3.0
4.7
6.1
7.7
8.5
7.1
5.4
3.7
1.7
1.0
51.9
Oroville
1.2
1.7
2.8
4.7
6.1
7.6
8.5
7.3
5.3
3.7
1.7
1.0
51.5
CALAVERAS
San Andreas
1.2
1.5
2.8
4.4
6.0
7.3
7.9
7.0
5.3
3.2
1.4
0.7
48.8
COLUSA
Colusa
1.0
1.7
3.4
5.0
6.4
7.6
8.3
7.2
5.4
3.8
1.8
1.1
52.8
Williams
1.2
1.7
2.9
4.5
6.1
7.2
8.5
7.3
5.3
3.4
1.6
1.0
50.8
CONTRA COSTA
Brentwood
1.0
1.5
2.9
4.5
6.1
7.1
7.9
6.7
5.2
3.2
1.4
0.7
48.3
Concord
1.1
1.4
2.4
4.0
5.5
5.9
7.0
6.0
4.8
3.2
1.3
0.7
43.4
Courtland
0.9
1.5
2.9
4.4
6.1
6.9
7.9
6.7
5.3
3.2
1.4
0.7
48.0
Martinez
1.2
1.4
2.4
3.9
5.3
5.6
6.7
5.6
4.7
3.1
1.2
0.7
41.8
Moraga
1.2
1.5
3.4
4.2
5.5
6.1
6.7
5.9
4.6
3.2
1.6
1.0
44.9
Pittsburg
1.0
1.5
2.8
4.1
5.6
6.4
7.4
6.4
5.0
3.2
1.3
0.7
45.4
Walnut Creek
0.8
1.5
2.9
4.4
5.6
6.7
7.4
6.4
4.7
3.3
1.5
1.0
46.2
DEL NORTE
Crescent City
0.5
0.9
2.0
3.0
3.7
3.5
4.3
3.7
3.0
2.0
0.9
0.5
27.7
EL DORADO
Camino
0.9
1.7
2.5
3.9
5.9
7.2
7.8
6.8
5.1
3.1
1.5
0.9
47.3
FRESNO
Clovis
1.0
1.5
3.2
4.8
6.4
7.7
8.5
7.3
5.3
3.4
1.4
0.7
51.4
Coalinga
1.2
1.7
3.1
4.6
6.2
7.2
8.5
7.3
5.3
3.4
1.6
0.7
50.9
Firebaugh
1.0
1.8
3.7
5.7
7.3
8.1
8.2
7.2
5.5
3.9
2.0
1.1
55.4
FivePoints
1.3
2.0
4.0
6.1
7.7
8.5
8.7
8.0
6.2
4.5
2.4
1.2
60.4
Fresno
0.9
1.7
3.3
4.8
6.7
7.8
8.4
7.1
5.2
3.2
1.4
0.6
51.1
Fresno State
0.9
1.6
3.2
5.2
7.0
8.0
8.7
7.6
5.4
3.6
1.7
0.9
53.7
Friant
1.2
1.5
3.1
4.7
6.4
7.7
8.5
7.3
5.3
3.4
1.4
0.7
51.3
Kerman
0.9
1.5
3.2
4.8
6.6
7.7
8.4
7.2
5.3
3.4
1.4
0.7
51.2
Kingsburg
1.0
1.5
3.4
4.8
6.6
7.7
8.4
7.2
5.3
3.4
1.4
0.7
51.6
Mendota
1.5
2.5
4.6
6.2
7.9
8.6
8.8
7.5
5.9
4.5
2.4
1.5
61.7
Orange Cove
1.2
1.9
3.5
4.7
7.4
8.5
8.9
7.9
5.9
3.7
1.8
1.2
56.7
Panoche
1.1
2.0
4.0
5.6
7.8
8.5
8.3
7.3
5.6
3.9
1.8
1.2
57.2
Parlier
1.0
1.9
3.6
5.2
6.8
7.6
8.1
7.0
5.1
3.4
1.7
0.9
52.0
Reedley
1.1
1.5
3.2
4.7
6.4
7.7
8.5
7.3
5.3
3.4
1.4
0.7
51.3
Westlands
0.9
1.7
3.8
6.3
8.0
8.6
8.6
7.8
5.9
4.3
2.1
1.1
58.8
GLENN
Orland
1.1
1.8
3.4
5.0
6.4
7.5
7.9
6.7
5.3
3.9
1.8
1.4
52.1
Willows
1.2
1.7
2.9
4.7
6.1
7.2
8.5
7.3
5.3
3.6
1.7
1.0
51.3
HUMBOLDT
Eureka
0.5
1.1
2.0
3.0
3.7
3.7
3.7
3.7
3.0
2.0
0.9
0.5
27.5
Ferndale
0.5
1.1
2.0
3.0
3.7
3.7
3.7
3.7
3.0
2.0
0.9
0.5
27.5
Garberville
0.6
1.2
2.2
3.1
4.5
5.0
5.5
4.9
3.8
2.4
1.0
0.7
34.9
Hoopa
0.5
1.1
2.1
3.0
4.4
5.4
6.1
5.1
3.8
2.4
0.9
0.7
35.6
IMPERIAL
Brawley
2.8
3.8
5.9
8.0
10.4
11.5
11.7
10.0
8.4
6.2
3.5
2.1
84.2
Calipatria/Mulberry
2.4
3.2
5.1
6.8
8.6
9.2
9.2
8.6
7.0
5.2
3.1
2.3
70.7
El Centro
2.7
3.5
5.6
7.9
10.1
11.1
11.6
9.5
8.3
6.1
3.3
2.0
81.7
Holtville
2.8
3.8
5.9
7.9
10.4
11.6
12.0
10.0
8.6
6.2
3.5
2.1
84.7
Meloland
2.5
3.2
5.5
7.5
8.9
9.2
9.0
8.5
6.8
5.3
3.1
2.2
71.6
Palo Verde II
2.5
3.3
5.7
6.9
8.5
8.9
8.6
7.9
6.2
4.5
2.9
2.3
68.2
Seeley
2.7
3.5
5.9
7.7
9.7
10.1
9.3
8.3
6.9
5.5
3.4
2.2
75.4
Westmoreland
2.4
3.3
5.3
6.9
8.7
9.6
9.6
8.7
6.9
5.0
3.0
2.2
71.4
Yuma
2.5
3.4
5.3
6.9
8.7
9.6
9.6
8.7
6.9
5.0
3.0
2.2
71.6
INYO
Bishop
1.7
2.7
4.8
6.7
8.2
10.9
7.4
9.6
7.4
4.8
2.5
1.6
68.3
Death Valley Jct
2.2
3.3
5.4
7.7
9.8
11.1
11.4
10.1
8.3
5.4
2.9
1.7
79.1
Independence
1.7
2.7
3.4
6.6
8.5
9.5
9.8
8.5
7.1
3.9
2.0
1.5
65.2
Lower Haiwee Res.
1.8
2.7
4.4
7.1
8.5
9.5
9.8
8.5
7.1
4.2
2.6
1.5
67.6
Oasis
2.7
2.8
5.9
8.0
10.4
11.7
11.6
10.0
8.4
6.2
3.4
2.1
83.1
KERN
Arvin
1.2
1.8
3.5
4.7
6.6
7.4
8.1
7.3
5.3
3.4
1.7
1.0
51.9
Bakersfield
1.0
1.8
3.5
4.7
6.6
7.7
8.5
7.3
5.3
3.5
1.6
0.9
52.4
Bakersfield/Bonanza
1.2
2.2
3.7
5.7
7.4
8.2
8.7
7.8
5.7
4.0
2.1
1.2
57.9
Bakersfield/Greenlee
1.2
2.2
3.7
5.7
7.4
8.2
8.7
7.8
5.7
4.0
2.1
1.2
57.9
Belridge
1.4
2.2
4.1
5.5
7.7
8.5
8.6
7.8
6.0
3.8
2.0
1.5
59.2
Blackwells Corner
1.4
2.1
3.8
5.4
7.0
7.8
8.5
7.7
5.8
3.9
1.9
1.2
56.6
Buttonwillow
1.0
1.8
3.2
4.7
6.6
7.7
8.5
7.3
5.4
3.4
1.5
0.9
52.0
China Lake
2.1
3.2
5.3
7.7
9.2
10.0
11.0
9.8
7.3
4.9
2.7
1.7
74.8
Delano
0.9
1.8
3.4
4.7
6.6
7.7
8.5
7.3
5.4
3.4
1.4
0.7
52.0
Famoso
1.3
1.9
3.5
4.8
6.7
7.6
8.0
7.3
5.5
3.5
1.7
1.3
53.1
Grapevine
1.3
1.8
3.1
4.4
5.6
6.8
7.6
6.8
5.9
3.4
1.9
1.0
49.5
Inyokern
2.0
3.1
4.9
7.3
8.5
9.7
11.0
9.4
7.1
5.1
2.6
1.7
72.4
Isabella Dam
1.2
1.4
2.8
4.4
5.8
7.3
7.9
7.0
5.0
3.2
1.7
0.9
48.4
Lamont
1.3
2.4
4.4
4.6
6.5
7.0
8.8
7.6
5.7
3.7
1.6
0.8
54.4
Lost Hills
1.6
2.2
3.7
5.1
6.8
7.8
8.7
7.8
5.7
4.0
2.1
1.6
57.1
McFarland/Kern
1.2
2.1
3.7
5.6
7.3
8.0
8.3
7.4
5.6
4.1
2.0
1.2
56.5
Shafter
1.0
1.7
3.4
5.0
6.6
7.7
8.3
7.3
5.4
3.4
1.5
0.9
52.1
Taft
1.3
1.8
3.1
4.3
6.2
7.3
8.5
7.3
5.4
3.4
1.7
1.0
51.2
Tehachapi
1.4
1.8
3.2
5.0
6.1
7.7
7.9
7.3
5.9
3.4
2.1
1.2
52.9
KINGS
Caruthers
1.6
2.5
4.0
5.7
7.8
8.7
9.3
8.4
6.3
4.4
2.4
1.6
62.7
Corcoran
1.6
2.2
3.7
5.1
6.8
7.8
8.7
7.8
5.7
4.0
2.1
1.6
57.1
Hanford
0.9
1.5
3.4
5.0
6.6
7.7
8.3
7.2
5.4
3.4
1.4
0.7
51.5
Kettleman
1.1
2.0
4.0
6.0
7.5
8.5
9.1
8.2
6.1
4.5
2.2
1.1
60.2
Lemoore
0.9
1.5
3.4
5.0
6.6
7.7
8.3
7.3
5.4
3.4
1.4
0.7
51.7
Stratford
0.9
1.9
3.9
6.1
7.8
8.6
8.8
7.7
5.9
4.1
2.1
1.0
58.7
LAKE
Lakeport
1.1
1.3
2.6
3.5
5.1
6.0
7.3
6.1
4.7
2.9
1.2
0.9
42.8
Lower Lake
1.2
1.4
2.7
4.5
5.3
6.3
7.4
6.4
5.0
3.1
1.3
0.9
45.4
LASSEN
Buntingville
1.0
1.7
3.5
4.9
6.2
7.3
8.4
7.5
5.4
3.4
1.5
0.9
51.8
Ravendale
0.6
1.1
2.3
4.1
5.6
6.7
7.9
7.3
4.7
2.8
1.2
0.5
44.9
Susanville
0.7
1.0
2.2
4.1
5.6
6.5
7.8
7.0
4.6
2.8
1.2
0.5
44.0
LOS ANGELES
Burbank
2.1
2.8
3.7
4.7
5.1
6.0
6.6
6.7
5.4
4.0
2.6
2.0
51.7
Claremont
2.0
2.3
3.4
4.6
5.0
6.0
7.0
7.0
5.3
4.0
2.7
2.1
51.3
El Dorado
1.7
2.2
3.6
4.8
5.1
5.7
5.9
5.9
4.4
3.2
2.2
1.7
46.3
Glendale
2.0
2.2
3.3
3.8
4.7
4.8
5.7
5.6
4.3
3.3
2.2
1.8
43.7
Glendora
2.0
2.5
3.6
4.9
5.4
6.1
7.3
6.8
5.7
4.2
2.6
2.0
53.1
Gorman
1.6
2.2
3.4
4.6
5.5
7.4
7.7
7.1
5.9
3.6
2.4
1.1
52.4
Hollywood Hills
2.1
2.2
3.8
5.4
6.0
6.5
6.7
6.4
5.2
3.7
2.8
2.1
52.8
Lancaster
2.1
3.0
4.6
5.9
8.5
9.7
11.0
9.8
7.3
4.6
2.8
1.7
71.1
Long Beach
1.8
2.1
3.3
3.9
4.5
4.3
5.3
4.7
3.7
2.8
1.8
1.5
39.7
Los Angeles
2.2
2.7
3.7
4.7
5.5
5.8
6.2
5.9
5.0
3.9
2.6
1.9
50.1
Monrovia
2.2
2.3
3.8
4.3
5.5
5.9
6.9
6.4
5.1
3.2
2.5
2.0
50.2
Palmdale
2.0
2.6
4.6
6.2
7.3
8.9
9.8
9.0
6.5
4.7
2.7
2.1
66.2
Pasadena
2.1
2.7
3.7
4.7
5.1
6.0
7.1
6.7
5.6
4.2
2.6
2.0
52.3
Pearblossom
1.7
2.4
3.7
4.7
7.3
7.7
9.9
7.9
6.4
4.0
2.6
1.6
59.9
Pomona
1.7
2.0
3.4
4.5
5.0
5.8
6.5
6.4
4.7
3.5
2.3
1.7
47.5
Redondo Beach
2.2
2.4
3.3
3.8
4.5
4.7
5.4
4.8
4.4
2.8
2.4
2.0
42.6
San Fernando
2.0
2.7
3.5
4.6
5.5
5.9
7.3
6.7
5.3
3.9
2.6
2.0
52.0
Santa Clarita
2.8
2.8
4.1
5.6
6.0
6.8
7.6
7.8
5.8
5.2
3.7
3.2
61.5
Santa Monica
1.8
2.1
3.3
4.5
4.7
5.0
5.4
5.4
3.9
3.4
2.4
2.2
44.2
MADERA
Chowchilla
1.0
1.4
3.2
4.7
6.6
7.8
8.5
7.3
5.3
3.4
1.4
0.7
51.4
Madera
0.9
1.4
3.2
4.8
6.6
7.8
8.5
7.3
5.3
3.4
1.4
0.7
51.5
Raymond
1.2
1.5
3.0
4.6
6.1
7.6
8.4
7.3
5.2
3.4
1.4
0.7
50.5
MARIN
Black Point
1.1
1.7
3.0
4.2
5.2
6.2
6.6
5.8
4.3
2.8
1.3
0.9
43.0
Novato
1.3
1.5
2.4
3.5
4.4
6.0
5.9
5.4
4.4
2.8
1.4
0.7
39.8
Point San Pedro
1.1
1.7
3.0
4.2
5.2
6.2
6.6
5.8
4.3
2.8
1.3
0.9
43.0
San Rafael
1.2
1.3
2.4
3.3
4.0
4.8
4.8
4.9
4.3
2.7
1.3
0.7
35.8
MARIPOSA
Coulterville
1.1
1.5
2.8
4.4
5.9
7.3
8.1
7.0
5.3
3.4
1.4
0.7
48.8
Mariposa
1.1
1.5
2.8
4.4
5.9
7.4
8.2
7.1
5.0
3.4
1.4
0.7
49.0
Yosemite Village
0.7
1.0
2.3
3.7
5.1
6.5
7.1
6.1
4.4
2.9
1.1
0.6
41.4
MENDOCINO
Fort Bragg
0.9
1.3
2.2
3.0
3.7
3.5
3.7
3.7
3.0
2.3
1.2
0.7
29.0
Hopland
1.1
1.3
2.6
3.4
5.0
5.9
6.5
5.7
4.5
2.8
1.3
0.7
40.9
Point Arena
1.0
1.3
2.3
3.0
3.7
3.9
3.7
3.7
3.0
2.3
1.2
0.7
29.6
Sanel Valley
1.0
1.6
3.0
4.6
6.0
7.0
8.0
7.0
5.2
3.4
1.4
0.9
49.1
Ukiah
1.0
1.3
2.6
3.3
5.0
5.8
6.7
5.9
4.5
2.8
1.3
0.7
40.9
MERCED
Kesterson
0.9
1.7
3.4
5.5
7.3
8.2
8.6
7.4
5.5
3.8
1.8
0.9
55.1
Los Banos
1.0
1.5
3.2
4.7
6.1
7.4
8.2
7.0
5.3
3.4
1.4
0.7
50.0
Merced
1.0
1.5
3.2
4.7
6.6
7.9
8.5
7.2
5.3
3.4
1.4
0.7
51.5
MODOC
Modoc/Alturas
0.9
1.4
2.8
3.7
5.1
6.2
7.5
6.6
4.6
2.8
1.2
0.7
43.2
MONO
Bridgeport
0.7
0.9
2.2
3.8
5.5
6.6
7.4
6.7
4.7
2.7
1.2
0.5
43.0
MONTEREY
Arroyo Seco
1.5
2.0
3.7
5.4
6.3
7.3
7.2
6.7
5.0
3.9
2.0
1.6
52.6
Castroville
1.4
1.7
3.0
4.2
4.6
4.8
4.0
3.8
3.0
2.6
1.6
1.4
36.2
Gonzales
1.3
1.7
3.4
4.7
5.4
6.3
6.3
5.9
4.4
3.4
1.9
1.3
45.7
Greenfield
1.8
2.2
3.4
4.8
5.6
6.3
6.5
6.2
4.8
3.7
2.4
1.8
49.5
King City
1.7
2.0
3.4
4.4
4.4
5.6
6.1
6.7
6.5
5.2
2.2
1.3
49.6
King City-Oasis Rd.
1.4
1.9
3.6
5.3
6.5
7.3
7.4
6.8
5.1
4.0
2.0
1.5
52.7
Long Valley
1.5
1.9
3.2
4.1
5.8
6.5
7.3
6.7
5.3
3.6
2.0
1.2
49.1
Monterey
1.7
1.8
2.7
3.5
4.0
4.1
4.3
4.2
3.5
2.8
1.9
1.5
36.0
Pajaro
1.8
2.2
3.7
4.8
5.3
5.7
5.6
5.3
4.3
3.4
2.4
1.8
46.1
Salinas
1.6
1.9
2.7
3.8
4.8
4.7
5.0
4.5
4.0
2.9
1.9
1.3
39.1
Salinas North
1.2
1.5
2.9
4.1
4.6
5.2
4.5
4.3
3.2
2.8
1.5
1.2
36.9
San Ardo
1.0
1.7
3.1
4.5
5.9
7.2
8.1
7.1
5.1
3.1
1.5
1.0
49.0
San Juan
1.8
2.1
3.4
4.6
5.3
5.7
5.5
4.9
3.8
3.2
2.2
1.9
44.2
Soledad
1.7
2.0
3.4
4.4
5.5
5.4
6.5
6.2
5.2
3.7
2.2
1.5
47.7
NAPA
Angwin
1.8
1.9
3.2
4.7
5.8
7.3
8.1
7.1
5.5
4.5
2.9
2.1
54.9
Carneros
0.8
1.5
3.1
4.6
5.5
6.6
6.9
6.2
4.7
3.5
1.4
1.0
45.8
Oakville
1.0
1.5
2.9
4.7
5.8
6.9
7.2
6.4
4.9
3.5
1.6
1.2
47.7
St Helena
1.2
1.5
2.8
3.9
5.1
6.1
7.0
6.2
4.8
3.1
1.4
0.9
44.1
Yountville
1.3
1.7
2.8
3.9
5.1
6.0
7.1
6.1
4.8
3.1
1.5
0.9
44.3
NEVADA
Grass Valley
1.1
1.5
2.6
4.0
5.7
7.1
7.9
7.1
5.3
3.2
1.5
0.9
48.0
Nevada City
1.1
1.5
2.6
3.9
5.8
6.9
7.9
7.0
5.3
3.2
1.4
0.9
47.4
ORANGE
Irvine
2.2
2.5
3.7
4.7
5.2
5.9
6.3
6.2
4.6
3.7
2.6
2.3
49.6
Laguna Beach
2.2
2.7
3.4
3.8
4.6
4.6
4.9
4.9
4.4
3.4
2.4
2.0
43.2
Santa Ana
2.2
2.7
3.7
4.5
4.6
5.4
6.2
6.1
4.7
3.7
2.5
2.0
48.2
PLACER
Auburn
1.2
1.7
2.8
4.4
6.1
7.4
8.3
7.3
5.4
3.4
1.6
1.0
50.6
Blue Canyon
0.7
1.1
2.1
3.4
4.8
6.0
7.2
6.1
4.6
2.9
0.9
0.6
40.5
Colfax
1.1
1.5
2.6
4.0
5.8
7.1
7.9
7.0
5.3
3.2
1.4
0.9
47.9
Roseville
1.1
1.7
3.1
4.7
6.2
7.7
8.5
7.3
5.6
3.7
1.7
1.0
52.2
Soda Springs
0.7
0.7
1.8
3.0
4.3
5.3
6.2
5.5
4.1
2.5
0.7
0.7
35.4
Tahoe City
0.7
0.7
1.7
3.0
4.3
5.4
6.1
5.6
4.1
2.4
0.8
0.6
35.5
Truckee
0.7
0.7
1.7
3.2
4.4
5.4
6.4
5.7
4.1
2.4
0.8
0.6
36.2
PLUMAS
Portola
0.7
0.9
1.9
3.5
4.9
5.9
7.3
5.9
4.3
2.7
0.9
0.5
39.4
Quincy
0.7
0.9
2.2
3.5
4.9
5.9
7.3
5.9
4.4
2.8
1.2
0.5
40.2
RIVERSIDE
Beaumont
2.0
2.3
3.4
4.4
6.1
7.1
7.6
7.9
6.0
3.9
2.6
1.7
55.0
Blythe
2.4
3.3
5.3
6.9
8.7
9.6
9.6
8.7
6.9
5.0
3.0
2.2
71.4
Cathedral City
1.6
2.2
3.7
5.1
6.8
7.8
8.7
7.8
5.7
4.0
2.1
1.6
57.1
Coachella
2.9
4.4
6.2
8.4
10.5
11.9
12.3
10.1
8.9
6.2
3.8
2.4
88.1
Desert Center
2.9
4.1
6.4
8.5
11.0
12.1
12.2
11.1
9.0
6.4
3.9
2.6
90.0
Elsinore
2.1
2.8
3.9
4.4
5.9
7.1
7.6
7.0
5.8
3.9
2.6
1.9
55.0
Indio
3.1
3.6
6.5
8.3
10.5
11.0
10.8
9.7
8.3
5.9
3.7
2.7
83.9
La Quinta
2.4
2.8
5.2
6.5
8.3
8.7
8.5
7.9
6.5
4.5
2.7
2.2
66.2
Mecca
2.6
3.3
5.7
7.2
8.6
9.0
8.8
8.2
6.8
5.0
3.2
2.4
70.8
Oasis
2.9
3.3
5.3
6.1
8.5
8.9
8.7
7.9
6.9
4.8
2.9
2.3
68.4
Palm Desert
2.5
3.4
5.3
6.9
8.7
9.6
9.6
8.7
6.9
5.0
3.0
2.2
71.6
Palm Springs
2.0
2.9
4.9
7.2
8.3
8.5
11.6
8.3
7.2
5.9
2.7
1.7
71.1
Rancho California
1.8
2.2
3.4
4.8
5.6
6.3
6.5
6.2
4.8
3.7
2.4
1.8
49.5
Rancho Mirage
2.4
3.3
5.3
6.9
8.7
9.6
9.6
8.7
6.9
5.0
3.0
2.2
71.4
Ripley
2.7
3.3
5.6
7.2
8.7
8.7
8.4
7.6
6.2
4.6
2.8
2.2
67.8
Salton Sea North
2.5
3.3
5.5
7.2
8.8
9.3
9.2
8.5
6.8
5.2
3.1
2.3
71.7
Temecula East II
2.3
2.4
4.1
4.9
6.4
7.0
7.8
7.4
5.7
4.1
2.6
2.2
56.7
Thermal
2.4
3.3
5.5
7.6
9.1
9.6
9.3
8.6
7.1
5.2
3.1
2.1
72.8
Riverside UC
2.5
2.9
4.2
5.3
5.9
6.6
7.2
6.9
5.4
4.1
2.9
2.6
56.4
Winchester
2.3
2.4
4.1
4.9
6.4
6.9
7.7
7.5
6.0
3.9
2.6
2.1
56.8
SACRAMENTO
Fair Oaks
1.0
1.6
3.4
4.1
6.5
7.5
8.1
7.1
5.2
3.4
1.5
1.0
50.5
Sacramento
1.0
1.8
3.2
4.7
6.4
7.7
8.4
7.2
5.4
3.7
1.7
0.9
51.9
Twitchell Island
1.2
1.8
3.9
5.3
7.4
8.8
9.1
7.8
5.9
3.8
1.7
1.2
57.9
SAN BENITO
Hollister
1.5
1.8
3.1
4.3
5.5
5.7
6.4
5.9
5.0
3.5
1.7
1.1
45.1
San Benito
1.2
1.6
3.1
4.6
5.6
6.4
6.9
6.5
4.8
3.7
1.7
1.2
47.2
San Juan Valley
1.4
1.8
3.4
4.5
6.0
6.7
7.1
6.4
5.0
3.5
1.8
1.4
49.1
SAN BERNARDINO
Baker
2.7
3.9
6.1
8.3
10.4
11.8
12.2
11.0
8.9
6.1
3.3
2.1
86.6
Barstow NE
2.2
2.9
5.3
6.9
9.0
10.1
9.9
8.9
6.8
4.8
2.7
2.1
71.7
Big Bear Lake
1.8
2.6
4.6
6.0
7.0
7.6
8.1
7.4
5.4
4.1
2.4
1.8
58.6
Chino
2.1
2.9
3.9
4.5
5.7
6.5
7.3
7.1
5.9
4.2
2.6
2.0
54.6
Crestline
1.5
1.9
3.3
4.4
5.5
6.6
7.8
7.1
5.4
3.5
2.2
1.6
50.8
Lake Arrowhead
1.8
2.6
4.6
6.0
7.0
7.6
8.1
7.4
5.4
4.1
2.4
1.8
58.6
Lucerne Valley
2.2
2.9
5.1
6.5
9.1
11.0
11.4
9.9
7.4
5.0
3.0
1.8
75.3
Needles
3.2
4.2
6.6
8.9
11.0
12.4
12.8
11.0
8.9
6.6
4.0
2.7
92.1
Newberry Springs
2.1
2.9
5.3
8.4
9.8
10.9
11.1
9.9
7.6
5.2
3.1
2.0
78.2
San Bernardino
2.0
2.7
3.8
4.6
5.7
6.9
7.9
7.4
5.9
4.2
2.6
2.0
55.6
Twentynine Palms
2.6
3.6
5.9
7.9
10.1
11.2
11.2
10.3
8.6
5.9
3.4
2.2
82.9
Victorville
2.0
2.6
4.6
6.2
7.3
8.9
9.8
9.0
6.5
4.7
2.7
2.1
66.2
SAN DIEGO
Chula Vista
2.2
2.7
3.4
3.8
4.9
4.7
5.5
4.9
4.5
3.4
2.4
2.0
44.2
Escondido SPV
2.4
2.6
3.9
4.7
5.9
6.5
7.1
6.7
5.3
3.9
2.8
2.3
54.2
Miramar
2.3
2.5
3.7
4.1
5.1
5.4
6.1
5.8
4.5
3.3
2.4
2.1
47.1
Oceanside
2.2
2.7
3.4
3.7
4.9
4.6
4.6
5.1
4.1
3.3
2.4
2.0
42.9
Otay Lake
2.3
2.7
3.9
4.6
5.6
5.9
6.2
6.1
4.8
3.7
2.6
2.2
50.4
Pine Valley
1.5
2.4
3.8
5.1
6.0
7.0
7.8
7.3
6.0
4.0
2.2
1.7
54.8
Ramona
2.1
2.1
3.4
4.6
5.2
6.3
6.7
6.8
5.3
4.1
2.8
2.1
51.6
San Diego
2.1
2.4
3.4
4.6
5.1
5.3
5.7
5.6
4.3
3.6
2.4
2.0
46.5
Santee
2.1
2.7
3.7
4.5
5.5
6.1
6.6
6.2
5.4
3.8
2.6
2.0
51.1
Torrey Pines
2.2
2.3
3.4
3.9
4.0
4.1
4.6
4.7
3.8
2.8
2.0
2.0
39.8
Warner Springs
1.6
2.7
3.7
4.7
5.7
7.6
8.3
7.7
6.3
4.0
2.5
1.3
56.0
SAN FRANCISCO
San Francisco
1.5
1.3
2.4
3.0
3.7
4.6
4.9
4.8
4.1
2.8
1.3
0.7
35.1
SAN JOAQUIN
Farmington
1.5
1.5
2.9
4.7
6.2
7.6
8.1
6.8
5.3
3.3
1.4
0.7
50.0
Lodi West
1.0
1.6
3.3
4.3
6.3
6.9
7.3
6.4
4.5
3.0
1.4
0.8
46.7
Manteca
0.9
1.7
3.4
5.0
6.5
7.5
8.0
7.1
5.2
3.3
1.6
0.9
51.2
Stockton
0.8
1.5
2.9
4.7
6.2
7.4
8.1
6.8
5.3
3.2
1.4
0.6
49.1
Tracy
1.0
1.5
2.9
4.5
6.1
7.3
7.9
6.7
5.3
3.2
1.3
0.7
48.5
SAN LUIS OBISPO
Arroyo Grande
2.0
2.2
3.2
3.8
4.3
4.7
4.3
4.6
3.8
3.2
2.4
1.7
40.0
Atascadero
1.2
1.5
2.8
3.9
4.5
6.0
6.7
6.2
5.0
3.2
1.7
1.0
43.7
Morro Bay
2.0
2.2
3.1
3.5
4.3
4.5
4.6
4.6
3.8
3.5
2.1
1.7
39.9
Nipomo
2.2
2.5
3.8
5.1
5.7
6.2
6.4
6.1
4.9
4.1
2.9
2.3
52.1
Paso Robles
1.6
2.0
3.2
4.3
5.5
6.3
7.3
6.7
5.1
3.7
2.1
1.4
49.0
San Luis Obispo
2.0
2.2
3.2
4.1
4.9
5.3
4.6
5.5
4.4
3.5
2.4
1.7
43.8
San Miguel
1.6
2.0
3.2
4.3
5.0
6.4
7.4
6.8
5.1
3.7
2.1
1.4
49.0
San Simeon
2.0
2.0
2.9
3.5
4.2
4.4
4.6
4.3
3.5
3.1
2.0
1.7
38.1
SAN MATEO
Hal Moon Bay
1.5
1.7
2.4
3.0
3.9
4.3
4.3
4.2
3.5
2.8
1.3
1.0
33.7
Redwood City
1.5
1.8
2.9
3.8
5.2
5.3
6.2
5.6
4.8
3.1
1.7
1.0
42.8
Woodside
1.8
2.2
3.4
4.8
5.6
6.3
6.5
6.2
4.8
3.7
2.4
1.8
49.5
SANTA BARBARA
Betteravia
2.1
2.6
4.0
5.2
6.0
5.9
5.8
5.4
4.1
3.3
2.7
2.1
49.1
Carpenteria
2.0
2.4
3.2
3.9
4.8
5.2
5.5
5.7
4.5
3.4
2.4
2.0
44.9
Cuyama
2.1
2.4
3.8
5.4
6.9
7.9
8.5
7.7
5.9
4.5
2.6
2.0
59.7
Goleta
2.1
2.5
3.9
5.1
5.7
5.7
5.4
5.4
4.2
3.2
2.8
2.2
48.1
Goleta Foothills
2.3
2.6
3.7
5.4
5.3
5.6
5.5
5.7
4.5
3.9
2.8
2.3
49.6
Guadalupe
2.0
2.2
3.2
3.7
4.9
4.6
4.5
4.6
4.1
3.3
2.4
1.7
41.1
Lompoc
2.0
2.2
3.2
3.7
4.8
4.6
4.9
4.8
3.9
3.2
2.4
1.7
41.1
Los Alamos
1.8
2.0
3.2
4.1
4.9
5.3
5.7
5.5
4.4
3.7
2.4
1.6
44.6
Santa Barbara
2.0
2.5
3.2
3.8
4.6
5.1
5.5
4.5
3.4
2.4
1.8
1.8
40.6
Santa Maria
1.8
2.3
3.7
5.1
5.7
5.8
5.6
5.3
4.2
3.5
2.4
1.9
47.4
Santa Ynez
1.7
2.2
3.5
5.0
5.8
6.2
6.4
6.0
4.5
3.6
2.2
1.7
48.7
Sisquoc
2.1
2.5
3.8
4.1
6.1
6.3
6.4
5.8
4.7
3.4
2.3
1.8
49.2
Solvang
2.0
2.0
3.3
4.3
5.0
5.6
6.1
5.6
4.4
3.7
2.2
1.6
45.6
SANTA CLARA
Gilroy
1.3
1.8
3.1
4.1
5.3
5.6
6.1
5.5
4.7
3.4
1.7
1.1
43.6
Los Gatos
1.5
1.8
2.8
3.9
5.0
5.6
6.2
5.5
4.7
3.2
1.7
1.1
42.9
Morgan Hill
1.5
1.8
3.4
4.2
6.3
7.0
7.1
6.0
5.1
3.7
1.9
1.4
49.5
Palo Alto
1.5
1.8
2.8
3.8
5.2
5.3
6.2
5.6
5.0
3.2
1.7
1.0
43.0
San Jose
1.5
1.8
3.1
4.1
5.5
5.8
6.5
5.9
5.2
3.3
1.8
1.0
45.3
SANTA CRUZ
De Laveaga
1.4
1.9
3.3
4.7
4.9
5.3
5.0
4.8
3.6
3.0
1.6
1.3
40.8
Green Valley Rd
1.2
1.8
3.2
4.5
4.6
5.4
5.2
5.0
3.7
3.1
1.6
1.3
40.6
Santa Cruz
1.5
1.8
2.6
3.5
4.3
4.4
4.8
4.4
3.8
2.8
1.7
1.2
36.6
Watsonville
1.5
1.8
2.7
3.7
4.6
4.5
4.9
4.2
4.0
2.9
1.8
1.2
37.7
Webb
1.8
2.2
3.7
4.8
5.3
5.7
5.6
5.3
4.3
3.4
2.4
1.8
46.2
SHASTA
Burney
0.7
1.0
2.1
3.5
4.9
5.9
7.4
6.4
4.4
2.9
0.9
0.6
40.9
Fall River Mills
0.6
1.0
2.1
3.7
5.0
6.1
7.8
6.7
4.6
2.8
0.9
0.5
41.8
Glenburn
0.6
1.0
2.1
3.7
5.0
6.3
7.8
6.7
4.7
2.8
0.9
0.6
42.1
McArthur
0.7
1.4
2.9
4.2
5.6
6.9
8.2
7.2
5.0
3.0
1.1
0.6
46.8
Redding
1.2
1.4
2.6
4.1
5.6
7.1
8.5
7.3
5.3
3.2
1.4
0.9
48.8
SIERRA
Downieville
0.7
1.0
2.3
3.5
5.0
6.0
7.4
6.2
4.7
2.8
0.9
0.6
41.3
Sierraville
0.7
1.1
2.2
3.2
4.5
5.9
7.3
6.4
4.3
2.6
0.9
0.5
39.6
SISKIYOU
Happy Camp
0.5
0.9
2.0
3.0
4.3
5.2
6.1
5.3
4.1
2.4
0.9
0.5
35.1
MacDoel
1.0
1.7
3.1
4.5
5.9
7.2
8.1
7.1
5.1
3.1
1.5
1.0
49.0
Mt Shasta
0.5
0.9
2.0
3.0
4.5
5.3
6.7
5.7
4.0
2.2
0.7
0.5
36.0
Tule lake FS
0.7
1.3
2.7
4.0
5.4
6.3
7.1
6.4
4.7
2.8
1.0
0.6
42.9
Weed
0.5
0.9
2.0
2.5
4.5
5.3
6.7
5.5
3.7
2.0
0.9
0.5
34.9
Yreka
0.6
0.9
2.1
3.0
4.9
5.8
7.3
6.5
4.3
2.5
0.9
0.5
39.2
SOLANO
Benicia
1.3
1.4
2.7
3.8
4.9
5.0
6.4
5.5
4.4
2.9
1.2
0.7
40.3
Dixon
0.7
1.4
3.2
5.2
6.3
7.6
8.2
7.2
5.5
4.3
1.6
1.1
52.1
Fairfield
1.1
1.7
2.8
4.0
5.5
6.1
7.8
6.0
4.8
3.1
1.4
0.9
45.2
Hastings Tract
1.6
2.2
3.7
5.1
6.8
7.8
8.7
7.8
5.7
4.0
2.1
1.6
57.1
Putah Creek
1.0
1.6
3.2
4.9
6.1
7.3
7.9
7.0
5.3
3.8
1.8
1.2
51.0
Rio Vista
0.9
1.7
2.8
4.4
5.9
6.7
7.9
6.5
5.1
3.2
1.3
0.7
47.0
Suisun Valley
0.6
1.3
3.0
4.7
5.8
7.0
7.7
6.8
5.3
3.8
1.4
0.9
48.3
Winters
0.9
1.7
3.3
5.0
6.4
7.5
7.9
7.0
5.2
3.5
1.6
1.0
51.0
SONOMA
Bennett Valley
1.1
1.7
3.2
4.1
5.5
6.5
6.6
5.7
4.5
3.1
1.5
0.9
44.4
Cloverdale
1.1
1.4
2.6
3.4
5.0
5.9
6.2
5.6
4.5
2.8
1.4
0.7
40.7
Fort Ross
1.2
1.4
2.2
3.0
3.7
4.5
4.2
4.3
3.4
2.4
1.2
0.5
31.9
Healdsburg
1.2
1.5
2.4
3.5
5.0
5.9
6.1
5.6
4.5
2.8
1.4
0.7
40.8
Lincoln
1.2
1.7
2.8
4.7
6.1
7.4
8.4
7.3
5.4
3.7
1.9
1.2
51.9
Petaluma
1.2
1.5
2.8
3.7
4.6
5.6
4.6
5.7
4.5
2.9
1.4
0.9
39.6
Santa Rosa
1.2
1.7
2.8
3.7
5.0
6.0
6.1
5.9
4.5
2.9
1.5
0.7
42.0
Valley of the Moon
1.0
1.6
3.0
4.5
5.6
6.6
7.1
6.3
4.7
3.3
1.5
1.0
46.1
Windsor
0.9
1.6
3.0
4.5
5.5
6.5
6.5
5.9
4.4
3.2
1.4
1.0
44.2
STANISLAUS
Denair
1.0
1.9
3.6
4.7
7.0
7.9
8.0
6.1
5.3
3.4
1.5
1.0
51.4
La Grange
1.2
1.5
3.1
4.7
6.2
7.7
8.5
7.3
5.3
3.4
1.4
0.7
51.2
Modesto
0.9
1.4
3.2
4.7
6.4
7.7
8.1
6.8
5.0
3.4
1.4
0.7
49.7
Newman
1.0
1.5
3.2
4.6
6.2
7.4
8.1
6.7
5.0
3.4
1.4
0.7
49.3
Oakdale
1.2
1.5
3.2
4.7
6.2
7.7
8.1
7.1
5.1
3.4
1.4
0.7
50.3
Patterson
1.3
2.1
4.2
5.4
7.9
8.6
8.2
6.6
5.8
4.0
1.9
1.3
57.3
Turlock
0.9
1.5
3.2
4.7
6.5
7.7
8.2
7.0
5.1
3.4
1.4
0.7
50.2
SUTTER
Nicolaus
0.9
1.6
3.2
4.9
6.3
7.5
8.0
6.9
5.2
3.4
1.5
0.9
50.2
Yuba City
1.3
2.1
2.8
4.4
5.7
7.2
7.1
6.1
4.7
3.2
1.2
0.9
46.7
TEHAMA
Corning
1.2
1.8
2.9
4.5
6.1
7.3
8.1
7.2
5.3
3.7
1.7
1.1
50.7
Gerber
1.0
1.8
3.5
5.0
6.6
7.9
8.7
7.4
5.8
4.1
1.8
1.1
54.7
Gerber Dryland
0.9
1.6
3.2
4.7
6.7
8.4
9.0
7.9
6.0
4.2
2.0
1.0
55.5
Red Bluff
1.2
1.8
2.9
4.4
5.9
7.4
8.5
7.3
5.4
3.5
1.7
1.0
51.1
TRINITY
Hay Fork
0.5
1.1
2.3
3.5
4.9
5.9
7.0
6.0
4.5
2.8
0.9
0.7
40.1
Weaverville
0.6
1.1
2.2
3.3
4.9
5.9
7.3
6.0
4.4
2.7
0.9
0.7
40.0
TULARE
Alpaugh
0.9
1.7
3.4
4.8
6.6
7.7
8.2
7.3
5.4
3.4
1.4
0.7
51.6
Badger
1.0
1.3
2.7
4.1
6.0
7.3
7.7
7.0
4.8
3.3
1.4
0.7
47.3
Delano
1.1
1.9
4.0
4.9
7.2
7.9
8.1
7.3
5.4
3.2
1.5
1.2
53.6
Dinuba
1.1
1.5
3.2
4.7
6.2
7.7
8.5
7.3
5.3
3.4
1.4
0.7
51.2
Lindcove
0.9
1.6
3.0
4.8
6.5
7.6
8.1
7.2
5.2
3.4
1.6
0.9
50.6
Porterville
1.2
1.8
3.4
4.7
6.6
7.7
8.5
7.3
5.3
3.4
1.4
0.7
52.1
Visalia
0.9
1.7
3.3
5.1
6.8
7.7
7.9
6.9
4.9
3.2
1.5
0.8
50.7
TUOLUMNE
Groveland
1.1
1.5
2.8
4.1
5.7
7.2
7.9
6.6
5.1
3.3
1.4
0.7
47.5
Sonora
1.1
1.5
2.8
4.1
5.8
7.2
7.9
6.7
5.1
3.2
1.4
0.7
47.6
VENTURA
Camarillo
2.2
2.5
3.7
4.3
5.0
5.2
5.9
5.4
4.2
3.0
2.5
2.1
46.1
Oxnard
2.2
2.5
3.2
3.7
4.4
4.6
5.4
4.8
4.0
3.3
2.4
2.0
42.3
Piru
2.8
2.8
4.1
5.6
6.0
6.8
7.6
7.8
5.8
5.2
3.7
3.2
61.5
Port Hueneme
2.0
2.3
3.3
4.6
4.9
4.9
4.9
5.0
3.7
3.2
2.5
2.2
43.5
Thousand Oaks
2.2
2.6
3.4
4.5
5.4
5.9
6.7
6.4
5.4
3.9
2.6
2.0
51.0
Ventura
2.2
2.6
3.2
3.8
4.6
4.7
5.5
4.9
4.1
3.4
2.5
2.0
43.5
YOLO
Bryte
0.9
1.7
3.3
5.0
6.4
7.5
7.9
7.0
5.2
3.5
1.6
1.0
51.0
Davis
1.0
1.9
3.3
5.0
6.4
7.6
8.2
7.1
5.4
4.0
1.8
1.0
52.5
Esparto
1.0
1.7
3.4
5.5
6.9
8.1
8.5
7.5
5.8
4.2
2.0
1.2
55.8
Winters
1.7
1.7
2.9
4.4
5.8
7.1
7.9
6.7
5.3
3.3
1.6
1.0
49.4
Woodland
1.0
1.8
3.2
4.7
6.1
7.7
8.2
7.2
5.4
3.7
1.7
1.0
51.6
Zamora
1.1
1.9
3.5
5.2
6.4
7.4
7.8
7.0
5.5
4.0
1.9
1.2
52.8
YUBA
Browns Valley
1.0
1.7
3.1
4.7
6.1
7.5
8.5
7.6
5.7
4.1
2.0
1.1
52.9
Brownsville
1.1
1.4
2.6
4.0
5.7
6.8
7.9
6.8
5.3
3.4
1.5
0.9
47.4
* The values in this table were derived from:
1) California Irrigation Management Information System (CIMIS);
2) Reference EvapoTranspiration Zones Map, UC Dept. of Land, Air & Water Resources and California Dept of Water Resources 1999; and
3) Reference Evapotranspiration for California, University of California, Department of Agriculture and Natural Resources (1987) Bulletin 1922;
4) Determining Daily Reference Evapotranspiration, Cooperative Extension UC Division of Agriculture and Natural Resources (1987), Publication Leaflet 21426

Credits

History
1. New Appendix A filed 9-10-2009; operative 9-10-2009 pursuant to Government Code section 11343.4 (Register 2009, No. 37).
2. Repealer and new Appendix A filed 9-15-2015; operative 9-15-2015. Exempt from OAL review and submitted to OAL for printing only pursuant to Governor's Executive Order No. B-29-15 (4-1-2015) (Register 2015, No. 38).
This database is current through 4/12/24 Register 2024, No. 15.
Cal. Admin. Code tit. 23, Div. 2 Ch. 2.7 App. A, 23 CA ADC Div. 2 Ch. 2.7 App. A
End of Document