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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 10
  171 Union City 10
Amador 227 Plymouth 16
Butte 244 Biggs 12
  012 Durham 11
Colusa 250 Williams 11
Contra Costa 047 Brentwood 6
  170 Concord 10
  213 El Cerrito 16
  178 Moraga 13
El Dorado 013 Camino 19
  228 Diamond Springs 18
Fresno 205 Coalinga 9
  007 Firebaugh/Telles 11
  190 Five Points South West 0
  002 FivePoints/WSFS USDA 8
  080 Fresno State 9
  142 Orange Cove 0
  124 Panoche 10
  039 Parlier 12
  105 Westlands 8
Imperial 041 Calipatria/Mulberry 1
  087 Meloland 0
  175 Palo Verde II 3
  128 Salton Sea East 0
  127 Salton Sea West 0
  068 Seeley 0
  201 UC-Andrade 0
  186 UC-San Luis 0
  181 Westmorland North 0
Inyo 035 Bishop 17
  183 Owens Lake North 16
  189 Owens Lake South 15
Kern 125 Arvin-Edison 7
  146 Belridge 9
  054 Blackwells Corner 0
  005 Shafter/USDA 10
Kings 021 Kettleman 0
  015 Stratford 9
Lassen 057 Buntingville 0
Los Angeles 216 Arleta 2
  215 Chatsworth 2
  133 Glendale 0
  174 Long Beach 4
  159 Monrovia 2
  197 Palmdale 14
  220 Palmdale Central 13
  078 Pomona 2
  204 Santa Clarita 3
  099 Santa Monica 1
  219 West Hills 2
Madera 145 Madera 0
  188 Madera II 0
Marin 187 Black Point 11
  157 Point San Pedro 11
Mendocino 085 Hopland FS 0
  106 Sanel Valley 13
Merced 092 Kesterson 0
  056 Los Banos 0
  148 Merced 0
Modoc 090 Alturas 28
Monterey 114 Arroyo Seco 13
  210 Carmel 18
  019 Castroville 0
  113 King City-Oasis Rd. 10
  193 Pacific Grove 20
  129 Pajaro 16
  116 Salinas North 18
  214 Salinas South II 12
Napa 109 Carneros 0
  077 Oakville 11
Orange 245 Coto de Caza 3
  075 Irvine 3
  241 San Clemente 8
Placer 195 Auburn 15
Plumas 264 Sierra Valley Center 27
Riverside 135 Blythe NE 2
  118 Cathedral City 0
  239 Hemet 3
  200 Indio 2 0
  208 La Quinta II 0
  238 Moreno Valley 0
  136 Oasis 0
  240 Perris 3
  151 Ripley 3
  062 Temecula 3
  237 Temecula East III 5
  218 Thermal South 2
  044 U.C. Riverside 2
  179 Winchester 7
Sacramento 131 Fair Oaks 12
  140 Twitchell Island 8
San Benito 126 San Benito 10
  143 San Juan Valley 10
San Bernardino 134 Barstow NE 0
  199 Big Bear Lake 27
  233 Joshua Tree 9
  192 Lake Arrowhead 25
  234 Newberry Springs II 0
  117 Victorville 13
San Diego 207 Borrego Springs 3
  153 Escondido SPV 5
  150 Miramar 3
  147 Otay Lake 3
  184 San Diego II 2
  173 Torrey Pines 3
San Joaquin 166 Lodi West 0
  070 Manteca 10
  167 Tracy 0
San Luis Obispo 163 Atascadero 14
  202 Nipomo 11
  052 San Luis Obispo 9
  160 San Luis Obispo West 10
Santa Barbara 088 Cuyama 13
  094 Goleta Foothills 0
  231 Lompoc 16
  107 Santa Barbara 5
  230 Santa Barbara II 0
  232 Santa Maria II 10
  064 Santa Ynez 7
  165 Sisquoc 10
Santa Clara 211 Gilroy 8
Santa Cruz 104 De Laveaga 12
  209 Watsonville West II 17
Shasta 043 McArthur 25
  224 Shasta College 13
Siskiyou 236 Macdoel II 29
  225 Scott Valley 27
  091 Tulelake FS 30
Solano 121 Dixon 0
  212 Hastings Tract East 11
  139 Winters 11
Sonoma 158 Bennett Valley 13
  144 Petaluma East 12
  083 Santa Rosa 10
  103 Windsor 10
Stanislaus 206 Denair 12
  071 Modesto 11
  194 Oakdale 12
  161 Patterson 0
Sutter 235 Verona 13
Tehama 008 Gerber 0
  222 Gerber South 13
Tulare 203 Alpaugh 0
  182 Delano 9
  086 Lindcove 0
  169 Porterville 0
Ventura 152 Camarillo 5
  217 Moorpark 3
  156 Oxnard 0
  198 Santa Paula 0
Yolo 155 Bryte 0
  006 Davis 11
  196 Esparto 0
  226 Woodland 11
Yuba 084 Browns Valley 11