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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 11
  171 Union City 10
Amador 227 Plymouth 17
Butte 244 Biggs 13
  012 Durham 14
Colusa 250 Williams 10
Contra Costa 047 Brentwood 7
  170 Concord 8
  213 El Cerrito 8
  178 Moraga 14
El Dorado 013 Camino 13
  228 Diamond Springs 15
Fresno 205 Coalinga 8
  007 Firebaugh/Telles 9
  190 Five Points South West 0
  002 FivePoints/WSFS USDA 8
  080 Fresno State 8
  142 Orange Cove 0
  124 Panoche 10
  039 Parlier 7
  105 Westlands 8
Imperial 041 Calipatria/Mulberry 1
  087 Meloland 0
  175 Palo Verde II 1
  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 1
Inyo 035 Bishop 14
  183 Owens Lake North 21
  189 Owens Lake South 20
Kern 125 Arvin-Edison 7
  146 Belridge 9
  054 Blackwells Corner 0
  005 Shafter/USDA 8
Kings 021 Kettleman 0
  015 Stratford 10
Lassen 057 Buntingville 0
Los Angeles 216 Arleta 1
  215 Chatsworth 1
  133 Glendale 0
  174 Long Beach 0
  159 Monrovia 1
  197 Palmdale 15
  220 Palmdale Central 12
  078 Pomona 1
  204 Santa Clarita 4
  099 Santa Monica 0
  219 West Hills 1
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 14
Merced 092 Kesterson 0
  056 Los Banos 0
  148 Merced 9
Modoc 090 Alturas 37
Monterey 114 Arroyo Seco 7
  210 Carmel 15
  019 Castroville 0
  113 King City-Oasis Rd. 7
  193 Pacific Grove 12
  129 Pajaro 10
  116 Salinas North 11
  214 Salinas South II 8
Napa 109 Carneros 0
  077 Oakville 9
Orange 245 Coto de Caza 1
  075 Irvine 0
  241 San Clemente 1
Placer 195 Auburn 11
Plumas 264 Sierra Valley Center 33
Riverside 135 Blythe NE 1
  118 Cathedral City 0
  239 Hemet 0
  200 Indio 2 0
  208 La Quinta II 0
  238 Moreno Valley 0
  136 Oasis 0
  240 Perris 2
  151 Ripley 1
  062 Temecula 0
  237 Temecula East III 2
  218 Thermal South 0
  044 U.C. Riverside 1
  179 Winchester 4
Sacramento 131 Fair Oaks 10
  140 Twitchell Island 5
San Benito 126 San Benito 9
  143 San Juan Valley 9
San Bernardino 134 Barstow NE 0
  199 Big Bear Lake 29
  233 Joshua Tree 12
  192 Lake Arrowhead 33
  234 Newberry Springs II 0
  117 Victorville 13
San Diego 207 Borrego Springs 1
  153 Escondido SPV 1
  150 Miramar 1
  147 Otay Lake 0
  184 San Diego II 0
  173 Torrey Pines 0
San Joaquin 166 Lodi West 0
  070 Manteca 11
  167 Tracy 0
San Luis Obispo 163 Atascadero 9
  202 Nipomo 4
  052 San Luis Obispo 3
  160 San Luis Obispo West 5
Santa Barbara 088 Cuyama 11
  094 Goleta Foothills 0
  231 Lompoc 1
  107 Santa Barbara 2
  230 Santa Barbara II 0
  232 Santa Maria II 6
  064 Santa Ynez 4
  165 Sisquoc 9
Santa Clara 211 Gilroy 8
Santa Cruz 104 De Laveaga 10
  209 Watsonville West II 10
Shasta 043 McArthur 36
  224 Shasta College 16
Siskiyou 236 Macdoel II 37
  225 Scott Valley 32
  091 Tulelake FS 37
Solano 121 Dixon 0
  212 Hastings Tract East 8
  139 Winters 9
Sonoma 158 Bennett Valley 14
  144 Petaluma East 12
  083 Santa Rosa 10
  103 Windsor 11
Stanislaus 206 Denair 12
  071 Modesto 13
  194 Oakdale 12
  161 Patterson 0
Sutter 235 Verona 13
Tehama 008 Gerber 0
  222 Gerber South 13
Tulare 203 Alpaugh 0
  182 Delano 8
  086 Lindcove 0
  169 Porterville 0
Ventura 152 Camarillo 0
  217 Moorpark 0
  156 Oxnard 0
  198 Santa Paula 0
Yolo 155 Bryte 0
  006 Davis 11
  196 Esparto 0
  226 Woodland 8
Yuba 084 Browns Valley 10