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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 15
  171 Union City 21
Amador 227 Plymouth 27
Butte 244 Biggs 17
  012 Durham 17
Colusa 250 Williams 18
Contra Costa 047 Brentwood 7
  170 Concord 20
  213 El Cerrito 23
  178 Moraga 24
El Dorado 013 Camino 25
  228 Diamond Springs 26
Fresno 205 Coalinga 14
  007 Firebaugh/Telles 16
  190 Five Points South West 14
  002 FivePoints/WSFS USDA 17
  080 Fresno State 18
  142 Orange Cove 18
  124 Panoche 22
  039 Parlier 18
  105 Westlands 19
Imperial 041 Calipatria/Mulberry 6
  087 Meloland 7
  175 Palo Verde II 11
  128 Salton Sea East 0
  127 Salton Sea West 0
  068 Seeley 6
  201 UC-Andrade 0
  186 UC-San Luis 0
  181 Westmorland North 8
Inyo 035 Bishop 26
  183 Owens Lake North 30
  189 Owens Lake South 29
Kern 125 Arvin-Edison 15
  146 Belridge 17
  054 Blackwells Corner 19
  005 Shafter/USDA 16
Kings 021 Kettleman 0
  015 Stratford 17
Lassen 057 Buntingville 50
Los Angeles 216 Arleta 15
  215 Chatsworth 15
  133 Glendale 0
  174 Long Beach 9
  159 Monrovia 8
  197 Palmdale 20
  220 Palmdale Central 19
  078 Pomona 9
  204 Santa Clarita 14
  099 Santa Monica 5
  219 West Hills 7
Madera 145 Madera 0
  188 Madera II 0
Marin 187 Black Point 21
  157 Point San Pedro 23
Mendocino 085 Hopland FS 0
  106 Sanel Valley 19
Merced 092 Kesterson 13
  056 Los Banos 19
  148 Merced 15
Modoc 090 Alturas 51
Monterey 114 Arroyo Seco 18
  210 Carmel 28
  019 Castroville 20
  113 King City-Oasis Rd. 14
  193 Pacific Grove 29
  129 Pajaro 25
  116 Salinas North 21
  214 Salinas South II 14
Napa 109 Carneros 16
  077 Oakville 17
Orange 245 Coto de Caza 9
  075 Irvine 6
  241 San Clemente 12
Placer 195 Auburn 21
Riverside 135 Blythe NE 12
  118 Cathedral City 0
  239 Hemet 13
  200 Indio 2 5
  208 La Quinta II 16
  238 Moreno Valley 0
  136 Oasis 0
  240 Perris 17
  151 Ripley 14
  062 Temecula 9
  237 Temecula East III 12
  218 Thermal South 16
  044 U.C. Riverside 9
  179 Winchester 16
Sacramento 131 Fair Oaks 18
  140 Twitchell Island 13
San Benito 126 San Benito 17
  143 San Juan Valley 21
San Bernardino 134 Barstow NE 0
  199 Big Bear Lake 31
  233 Joshua Tree 16
  192 Lake Arrowhead 47
  234 Newberry Springs II 18
  117 Victorville 4
San Diego 207 Borrego Springs 12
  153 Escondido SPV 6
  150 Miramar 7
  147 Otay Lake 7
  184 San Diego II 4
  173 Torrey Pines 6
San Joaquin 166 Lodi West 0
  070 Manteca 16
  167 Tracy 0
San Luis Obispo 163 Atascadero 17
  202 Nipomo 20
  052 San Luis Obispo 16
  160 San Luis Obispo West 19
Santa Barbara 088 Cuyama 20
  094 Goleta Foothills 0
  231 Lompoc 16
  107 Santa Barbara 6
  230 Santa Barbara II 0
  232 Santa Maria II 16
  064 Santa Ynez 13
  165 Sisquoc 18
Santa Clara 211 Gilroy 16
Santa Cruz 104 De Laveaga 19
  209 Watsonville West II 25
Shasta 043 McArthur 47
  224 Shasta College 18
Siskiyou 236 Macdoel II 48
  225 Scott Valley 47
  091 Tulelake FS 54
Solano 121 Dixon 17
  212 Hastings Tract East 18
  139 Winters 17
Sonoma 158 Bennett Valley 27
  144 Petaluma East 24
  083 Santa Rosa 20
  103 Windsor 19
Stanislaus 206 Denair 18
  071 Modesto 18
  194 Oakdale 16
  161 Patterson 0
Sutter 235 Verona 17
Tehama 008 Gerber 0
  222 Gerber South 19
Tulare 203 Alpaugh 0
  182 Delano 18
  086 Lindcove 20
  169 Porterville 20
Ventura 152 Camarillo 9
  217 Moorpark 9
  156 Oxnard 0
  198 Santa Paula 8
Yolo 155 Bryte 18
  006 Davis 17
  196 Esparto 0
  226 Woodland 15
Yuba 084 Browns Valley 18