Hero Image

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

Cumulative Chilling Portions - Select Station from List

County Station Portions
Alameda 191 Pleasanton 91
  171 Union City 86
Amador 227 Plymouth 113
Butte 244 Biggs 93
  012 Durham 93
Colusa 250 Williams 88
Contra Costa 047 Brentwood 78
  170 Concord 86
  213 El Cerrito 112
  178 Moraga 127
El Dorado 013 Camino 107
  228 Diamond Springs 112
Fresno 205 Coalinga 82
  007 Firebaugh/Telles 82
  190 Five Points South West 0
  002 FivePoints/WSFS USDA 81
  080 Fresno State 77
  142 Orange Cove 0
  124 Panoche 82
  039 Parlier 78
  105 Westlands 82
Imperial 041 Calipatria/Mulberry 28
  087 Meloland 18
  175 Palo Verde II 29
  128 Salton Sea East 0
  127 Salton Sea West 0
  068 Seeley 15
  201 UC-Andrade 0
  186 UC-San Luis 0
  181 Westmorland North 32
Inyo 035 Bishop 102
  183 Owens Lake North 113
  189 Owens Lake South 105
Kern 125 Arvin-Edison 74
  146 Belridge 75
  054 Blackwells Corner 0
  005 Shafter/USDA 74
Kings 021 Kettleman 0
  015 Stratford 79
Lassen 057 Buntingville 0
Los Angeles 216 Arleta 52
  215 Chatsworth 60
  133 Glendale 0
  174 Long Beach 43
  159 Monrovia 45
  197 Palmdale 99
  220 Palmdale Central 98
  078 Pomona 56
  204 Santa Clarita 73
  099 Santa Monica 41
  219 West Hills 57
Madera 145 Madera 0
  188 Madera II 0
Marin 187 Black Point 95
  157 Point San Pedro 100
Mendocino 085 Hopland FS 0
  106 Sanel Valley 102
Merced 092 Kesterson 0
  056 Los Banos 0
  148 Merced 82
Modoc 090 Alturas 147
Monterey 114 Arroyo Seco 65
  210 Carmel 113
  019 Castroville 0
  113 King City-Oasis Rd. 81
  193 Pacific Grove 111
  129 Pajaro 99
  116 Salinas North 105
  214 Salinas South II 87
Napa 109 Carneros 0
  077 Oakville 90
Orange 245 Coto de Caza 57
  075 Irvine 43
  241 San Clemente 55
Placer 195 Auburn 101
Plumas 264 Sierra Valley Center 140
Riverside 135 Blythe NE 35
  118 Cathedral City 0
  239 Hemet 50
  200 Indio 2 19
  208 La Quinta II 24
  238 Moreno Valley 0
  136 Oasis 24
  240 Perris 51
  151 Ripley 30
  062 Temecula 64
  237 Temecula East III 70
  218 Thermal South 28
  044 U.C. Riverside 55
  179 Winchester 75
Sacramento 131 Fair Oaks 90
  140 Twitchell Island 72
San Benito 126 San Benito 90
  143 San Juan Valley 92
San Bernardino 134 Barstow NE 0
  199 Big Bear Lake 140
  233 Joshua Tree 82
  192 Lake Arrowhead 148
  234 Newberry Springs II 0
  117 Victorville 98
San Diego 207 Borrego Springs 31
  153 Escondido SPV 28
  150 Miramar 48
  147 Otay Lake 46
  184 San Diego II 31
  173 Torrey Pines 38
San Joaquin 166 Lodi West 0
  070 Manteca 86
  167 Tracy 0
San Luis Obispo 163 Atascadero 98
  202 Nipomo 82
  052 San Luis Obispo 67
  160 San Luis Obispo West 85
Santa Barbara 088 Cuyama 99
  094 Goleta Foothills 0
  231 Lompoc 59
  107 Santa Barbara 60
  230 Santa Barbara II 0
  232 Santa Maria II 79
  064 Santa Ynez 65
  165 Sisquoc 86
Santa Clara 211 Gilroy 81
Santa Cruz 104 De Laveaga 104
  209 Watsonville West II 112
Shasta 043 McArthur 142
  224 Shasta College 104
Siskiyou 236 Macdoel II 148
  225 Scott Valley 136
  091 Tulelake FS 148
Solano 121 Dixon 0
  212 Hastings Tract East 86
  139 Winters 84
Sonoma 158 Bennett Valley 112
  144 Petaluma East 107
  083 Santa Rosa 107
  103 Windsor 102
Stanislaus 206 Denair 90
  071 Modesto 93
  194 Oakdale 87
  161 Patterson 0
Sutter 235 Verona 95
Tehama 008 Gerber 0
  222 Gerber South 94
Tulare 203 Alpaugh 0
  182 Delano 75
  086 Lindcove 0
  169 Porterville 0
Ventura 152 Camarillo 50
  217 Moorpark 62
  156 Oxnard 0
  198 Santa Paula 0
Yolo 155 Bryte 0
  006 Davis 90
  196 Esparto 0
  226 Woodland 83
Yuba 084 Browns Valley 90