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 93
  171 Union City 93
Amador 227 Plymouth 109
Butte 244 Biggs 96
  012 Durham 97
Colusa 250 Williams 90
Contra Costa 047 Brentwood 91
  170 Concord 92
  213 El Cerrito 107
  178 Moraga 98
El Dorado 013 Camino 108
  228 Diamond Springs 108
Fresno 205 Coalinga 87
  007 Firebaugh/Telles 88
  190 Five Points South West 0
  002 FivePoints/WSFS USDA 88
  080 Fresno State 88
  142 Orange Cove 41
  124 Panoche 90
  039 Parlier 89
  105 Westlands 88
Imperial 041 Calipatria/Mulberry 36
  087 Meloland 28
  175 Palo Verde II 31
  128 Salton Sea East 0
  127 Salton Sea West 0
  068 Seeley 25
  201 UC-Andrade 0
  186 UC-San Luis 0
  181 Westmorland North 33
Inyo 035 Bishop 99
  183 Owens Lake North 107
  189 Owens Lake South 103
Kern 125 Arvin-Edison 82
  146 Belridge 87
  054 Blackwells Corner 0
  005 Shafter/USDA 86
Kings 021 Kettleman 0
  015 Stratford 86
Lassen 057 Buntingville 0
Los Angeles 216 Arleta 66
  215 Chatsworth 71
  133 Glendale 0
  174 Long Beach 62
  159 Monrovia 62
  197 Palmdale 95
  220 Palmdale Central 72
  078 Pomona 68
  204 Santa Clarita 76
  099 Santa Monica 51
  219 West Hills 69
Madera 145 Madera 0
  188 Madera II 0
Marin 187 Black Point 98
  157 Point San Pedro 103
Mendocino 085 Hopland FS 0
  106 Sanel Valley 95
Merced 092 Kesterson 0
  056 Los Banos 0
  148 Merced 93
Modoc 090 Alturas 92
Monterey 114 Arroyo Seco 79
  210 Carmel 66
  019 Castroville 0
  113 King City-Oasis Rd. 94
  193 Pacific Grove 108
  129 Pajaro 96
  116 Salinas North 102
  214 Salinas South II 97
Napa 109 Carneros 0
  077 Oakville 95
Orange 245 Coto de Caza 65
  075 Irvine 57
  241 San Clemente 75
Placer 195 Auburn 104
Plumas 264 Sierra Valley Center 83
Riverside 135 Blythe NE 48
  118 Cathedral City 0
  239 Hemet 70
  200 Indio 2 28
  208 La Quinta II 35
  238 Moreno Valley 0
  136 Oasis 19
  240 Perris 70
  151 Ripley 32
  062 Temecula 47
  237 Temecula East III 78
  218 Thermal South 31
  044 U.C. Riverside 68
  179 Winchester 82
Sacramento 131 Fair Oaks 95
  140 Twitchell Island 91
San Benito 126 San Benito 89
  143 San Juan Valley 90
San Bernardino 134 Barstow NE 0
  199 Big Bear Lake 104
  233 Joshua Tree 76
  192 Lake Arrowhead 112
  234 Newberry Springs II 0
  117 Victorville 89
San Diego 207 Borrego Springs 41
  153 Escondido SPV 40
  150 Miramar 65
  147 Otay Lake 64
  184 San Diego II 64
  173 Torrey Pines 40
San Joaquin 166 Lodi West 0
  070 Manteca 93
  167 Tracy 0
San Luis Obispo 163 Atascadero 82
  202 Nipomo 81
  052 San Luis Obispo 76
  160 San Luis Obispo West 83
Santa Barbara 088 Cuyama 93
  094 Goleta Foothills 0
  231 Lompoc 82
  107 Santa Barbara 76
  230 Santa Barbara II 0
  232 Santa Maria II 75
  064 Santa Ynez 70
  165 Sisquoc 82
Santa Clara 211 Gilroy 89
Santa Cruz 104 De Laveaga 99
  209 Watsonville West II 105
Shasta 043 McArthur 94
  224 Shasta College 98
Siskiyou 236 Macdoel II 94
  225 Scott Valley 101
  091 Tulelake FS 94
Solano 121 Dixon 0
  212 Hastings Tract East 96
  139 Winters 91
Sonoma 158 Bennett Valley 104
  144 Petaluma East 98
  083 Santa Rosa 98
  103 Windsor 96
Stanislaus 206 Denair 94
  071 Modesto 98
  194 Oakdale 95
  161 Patterson 0
Sutter 235 Verona 98
Tehama 008 Gerber 0
  222 Gerber South 100
Tulare 203 Alpaugh 0
  182 Delano 87
  086 Lindcove 0
  169 Porterville 83
Ventura 152 Camarillo 63
  217 Moorpark 62
  156 Oxnard 0
  198 Santa Paula 63
Yolo 155 Bryte 0
  006 Davis 98
  196 Esparto 0
  226 Woodland 95
Yuba 084 Browns Valley 100