Chill Calculators

Cumulative Chilling Hours:
Cumulative Chill Hours and
Modified Chill Hours
Hours below 45° F
Hours between 32 F and 45° F
November 1 through February 28/29.

Cumulative Chilling Portions:
Dynamic Model
September 1 through August 31

Chilling Hour & Unit Accumulations:
Historic Accumulation of
Chill Hours, Modified Chill Hours,
& Chill Units (Utah Model)
Hours below 45° F
Hours between 32° F and 45° F
September 1 through August 31

Harvest Prediction Model:
for Peaches, Plums and Nectarines

View Station Map

Cumulative Chilling Portions - Select Station from List

County	Station	Portions
Alameda	149 Oakland Foothills	46
	191 Pleasanton	48
	171 Union City	48
Amador	227 Plymouth	58
Butte	012 Durham	44
Colusa	032 Colusa	44
Contra Costa	047 Brentwood	47
	170 Concord	47
	178 Moraga	54
El Dorado	013 Camino	61
	228 Diamond Springs	59
Fresno	205 Coalinga	43
	007 Firebaugh/Telles	47
	190 Five Points South West	41
	002 FivePoints/WSFS USDA	43
	080 Fresno State	46
	142 Orange Cove	47
	124 Panoche	45
	039 Parlier	45
	105 Westlands	45
Imperial	041 Calipatria/Mulberry	22
	087 Meloland	19
	175 Palo Verde II	26
	128 Salton Sea East	19
	127 Salton Sea West	0
	068 Seeley	15
	201 UC-Andrade	20
	186 UC-San Luis	24
	181 Westmorland North	26
Inyo	035 Bishop	52
	183 Owens Lake North	51
	189 Owens Lake South	49
Kern	125 Arvin-Edison	42
	146 Belridge	44
	054 Blackwells Corner	45
	138 Famoso	45
Kings	021 Kettleman	31
	015 Stratford	41
Lassen	057 Buntingville	49
Los Angeles	216 Arleta	30
	215 Chatsworth	30
	133 Glendale	37
	174 Long Beach	23
	159 Monrovia	24
	197 Palmdale	46
	220 Palmdale Central	42
	078 Pomona	28
	204 Santa Clarita	33
	099 Santa Monica	23
	219 West Hills	28
Madera	145 Madera	54
Marin	187 Black Point	54
	157 Point San Pedro	51
Mendocino	085 Hopland FS	58
	106 Sanel Valley	51
Merced	092 Kesterson	49
	056 Los Banos	50
	148 Merced	130
Modoc	090 Alturas	48
Monterey	114 Arroyo Seco	51
	210 Carmel	58
	019 Castroville	67
	113 King City-Oasis Rd.	46
	193 Pacific Grove	59
	129 Pajaro	42
	116 Salinas North	57
Napa	109 Carneros	47
	077 Oakville	48
Orange	075 Irvine	30
Placer	195 Auburn	58
Riverside	135 Blythe NE	29
	118 Cathedral City	21
	200 Indio 2	21
	208 La Quinta II	25
	136 Oasis	22
	151 Ripley	28
	062 Temecula	28
	237 Temecula East III	27
	218 Thermal South	22
	044 U.C. Riverside	28
	179 Winchester	32
Sacramento	131 Fair Oaks	50
	140 Twitchell Island	49
San Benito	126 San Benito	40
	143 San Juan Valley	49
San Bernardino	134 Barstow NE	36
	199 Big Bear Lake	66
	233 Joshua Tree	36
	192 Lake Arrowhead	63
	117 Victorville	46
San Diego	207 Borrego Springs	22
	153 Escondido SPV	34
	173 La Jolla	28
	150 Miramar	26
	147 Otay Lake	29
	184 San Diego II	24
San Joaquin	166 Lodi West	49
	070 Manteca	47
	167 Tracy	47
San Luis Obispo	163 Atascadero	48
	202 Nipomo	43
	052 San Luis Obispo	40
	160 San Luis Obispo West	70
Santa Barbara	088 Cuyama	48
	094 Goleta Foothills	27
	231 Lompoc	46
	107 Santa Barbara	33
	230 Santa Barbara II	23
	232 Santa Maria II	40
	064 Santa Ynez	47
	165 Sisquoc	40
Santa Clara	211 Gilroy	46
Santa Cruz	104 De Laveaga	59
	209 Watsonville West II	59
Shasta	043 McArthur	45
Siskiyou	091 Tulelake FS	59
Solano	121 Dixon	52
	212 Hastings Tract East	48
	139 Winters	49
Sonoma	158 Bennett Valley	63
	144 Petaluma East	53
	083 Santa Rosa	57
	103 Windsor	47
Stanislaus	206 Denair	54
	071 Modesto	47
	194 Oakdale	52
	161 Patterson	51
Sutter	235 Verona	50
Tehama	008 Gerber	48
Tulare	203 Alpaugh	43
	086 Lindcove	41
	169 Porterville	49
Ventura	152 Camarillo	44
	156 Oxnard	39
	198 Santa Paula	28
Yolo	155 Bryte	52
	006 Davis	50
	196 Esparto	41
	226 Woodland	50
Yuba	084 Browns Valley	48