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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 75
  171 Union City 83
Amador 227 Plymouth 100
Butte 244 Biggs 78
  012 Durham 77
Colusa 250 Williams 75
Contra Costa 047 Brentwood 52
  170 Concord 86
  213 El Cerrito 90
  178 Moraga 91
El Dorado 013 Camino 86
  228 Diamond Springs 94
Fresno 205 Coalinga 70
  007 Firebaugh/Telles 74
  190 Five Points South West 20
  002 FivePoints/WSFS USDA 75
  080 Fresno State 72
  142 Orange Cove 75
  124 Panoche 81
  039 Parlier 76
  105 Westlands 74
Imperial 041 Calipatria/Mulberry 31
  087 Meloland 29
  175 Palo Verde II 41
  128 Salton Sea East 0
  127 Salton Sea West 0
  068 Seeley 24
  201 UC-Andrade 0
  186 UC-San Luis 0
  181 Westmorland North 32
Inyo 035 Bishop 93
  183 Owens Lake North 103
  189 Owens Lake South 97
Kern 125 Arvin-Edison 68
  146 Belridge 74
  054 Blackwells Corner 77
  005 Shafter/USDA 66
Kings 021 Kettleman 0
  015 Stratford 73
Lassen 057 Buntingville 121
Los Angeles 216 Arleta 60
  215 Chatsworth 60
  133 Glendale 0
  174 Long Beach 51
  159 Monrovia 43
  197 Palmdale 74
  220 Palmdale Central 80
  078 Pomona 43
  204 Santa Clarita 59
  099 Santa Monica 39
  219 West Hills 40
Madera 145 Madera 0
  188 Madera II 0
Marin 187 Black Point 84
  157 Point San Pedro 90
Mendocino 085 Hopland FS 0
  106 Sanel Valley 83
Merced 092 Kesterson 73
  056 Los Banos 81
  148 Merced 72
Modoc 090 Alturas 118
Monterey 114 Arroyo Seco 78
  210 Carmel 91
  019 Castroville 20
  113 King City-Oasis Rd. 75
  193 Pacific Grove 98
  129 Pajaro 86
  116 Salinas North 77
  214 Salinas South II 73
Napa 109 Carneros 76
  077 Oakville 77
Orange 245 Coto de Caza 52
  075 Irvine 40
  241 San Clemente 60
Placer 195 Auburn 84
Riverside 135 Blythe NE 41
  118 Cathedral City 0
  239 Hemet 61
  200 Indio 2 22
  208 La Quinta II 43
  238 Moreno Valley 0
  136 Oasis 2
  240 Perris 75
  151 Ripley 45
  062 Temecula 53
  237 Temecula East III 58
  218 Thermal South 45
  044 U.C. Riverside 50
  179 Winchester 68
Sacramento 131 Fair Oaks 81
  140 Twitchell Island 71
San Benito 126 San Benito 78
  143 San Juan Valley 85
San Bernardino 134 Barstow NE 0
  199 Big Bear Lake 101
  233 Joshua Tree 60
  192 Lake Arrowhead 120
  234 Newberry Springs II 73
  117 Victorville 67
San Diego 207 Borrego Springs 53
  153 Escondido SPV 28
  150 Miramar 51
  147 Otay Lake 52
  184 San Diego II 35
  173 Torrey Pines 46
San Joaquin 166 Lodi West 0
  070 Manteca 75
  167 Tracy 0
San Luis Obispo 163 Atascadero 82
  202 Nipomo 73
  052 San Luis Obispo 67
  160 San Luis Obispo West 74
Santa Barbara 088 Cuyama 82
  094 Goleta Foothills 0
  231 Lompoc 52
  107 Santa Barbara 34
  230 Santa Barbara II 0
  232 Santa Maria II 65
  064 Santa Ynez 59
  165 Sisquoc 69
Santa Clara 211 Gilroy 81
Santa Cruz 104 De Laveaga 85
  209 Watsonville West II 94
Shasta 043 McArthur 117
  224 Shasta College 79
Siskiyou 236 Macdoel II 115
  225 Scott Valley 116
  091 Tulelake FS 122
Solano 121 Dixon 77
  212 Hastings Tract East 78
  139 Winters 74
Sonoma 158 Bennett Valley 93
  144 Petaluma East 89
  083 Santa Rosa 85
  103 Windsor 76
Stanislaus 206 Denair 80
  071 Modesto 79
  194 Oakdale 78
  161 Patterson 0
Sutter 235 Verona 79
Tehama 008 Gerber 0
  222 Gerber South 80
Tulare 203 Alpaugh 0
  182 Delano 74
  086 Lindcove 80
  169 Porterville 79
Ventura 152 Camarillo 51
  217 Moorpark 48
  156 Oxnard 0
  198 Santa Paula 51
Yolo 155 Bryte 82
  006 Davis 80
  196 Esparto 0
  226 Woodland 73
Yuba 084 Browns Valley 79