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 16
  171 Union City 17
Amador 227 Plymouth 25
Butte 244 Biggs 21
  012 Durham 19
Colusa 250 Williams 18
Contra Costa 047 Brentwood 13
  170 Concord 17
  213 El Cerrito 22
  178 Moraga 20
El Dorado 013 Camino 26
  228 Diamond Springs 25
Fresno 205 Coalinga 16
  007 Firebaugh/Telles 18
  190 Five Points South West 0
  002 FivePoints/WSFS USDA 15
  080 Fresno State 16
  142 Orange Cove 0
  124 Panoche 18
  039 Parlier 20
  105 Westlands 15
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 1
Inyo 035 Bishop 26
  183 Owens Lake North 25
  189 Owens Lake South 22
Kern 125 Arvin-Edison 14
  146 Belridge 16
  054 Blackwells Corner 0
  005 Shafter/USDA 16
Kings 021 Kettleman 0
  015 Stratford 16
Lassen 057 Buntingville 0
Los Angeles 216 Arleta 4
  215 Chatsworth 4
  133 Glendale 0
  174 Long Beach 7
  159 Monrovia 3
  197 Palmdale 23
  220 Palmdale Central 19
  078 Pomona 3
  204 Santa Clarita 5
  099 Santa Monica 4
  219 West Hills 4
Madera 145 Madera 0
  188 Madera II 0
Marin 187 Black Point 18
  157 Point San Pedro 18
Mendocino 085 Hopland FS 0
  106 Sanel Valley 21
Merced 092 Kesterson 0
  056 Los Banos 0
  148 Merced 0
Modoc 090 Alturas 37
Monterey 114 Arroyo Seco 18
  210 Carmel 25
  019 Castroville 0
  113 King City-Oasis Rd. 15
  193 Pacific Grove 27
  129 Pajaro 21
  116 Salinas North 24
  214 Salinas South II 18
Napa 109 Carneros 0
  077 Oakville 19
Orange 245 Coto de Caza 5
  075 Irvine 4
  241 San Clemente 13
Placer 195 Auburn 25
Plumas 264 Sierra Valley Center 35
Riverside 135 Blythe NE 3
  118 Cathedral City 0
  239 Hemet 4
  200 Indio 2 0
  208 La Quinta II 6
  238 Moreno Valley 0
  136 Oasis 0
  240 Perris 4
  151 Ripley 4
  062 Temecula 4
  237 Temecula East III 6
  218 Thermal South 2
  044 U.C. Riverside 4
  179 Winchester 9
Sacramento 131 Fair Oaks 20
  140 Twitchell Island 15
San Benito 126 San Benito 16
  143 San Juan Valley 16
San Bernardino 134 Barstow NE 0
  199 Big Bear Lake 36
  233 Joshua Tree 16
  192 Lake Arrowhead 34
  234 Newberry Springs II 0
  117 Victorville 18
San Diego 207 Borrego Springs 3
  153 Escondido SPV 7
  150 Miramar 5
  147 Otay Lake 4
  184 San Diego II 3
  173 Torrey Pines 6
San Joaquin 166 Lodi West 0
  070 Manteca 18
  167 Tracy 0
San Luis Obispo 163 Atascadero 21
  202 Nipomo 18
  052 San Luis Obispo 14
  160 San Luis Obispo West 18
Santa Barbara 088 Cuyama 19
  094 Goleta Foothills 0
  231 Lompoc 23
  107 Santa Barbara 10
  230 Santa Barbara II 0
  232 Santa Maria II 16
  064 Santa Ynez 11
  165 Sisquoc 14
Santa Clara 211 Gilroy 14
Santa Cruz 104 De Laveaga 18
  209 Watsonville West II 24
Shasta 043 McArthur 35
  224 Shasta College 22
Siskiyou 236 Macdoel II 36
  225 Scott Valley 35
  091 Tulelake FS 36
Solano 121 Dixon 0
  212 Hastings Tract East 19
  139 Winters 20
Sonoma 158 Bennett Valley 22
  144 Petaluma East 19
  083 Santa Rosa 18
  103 Windsor 17
Stanislaus 206 Denair 20
  071 Modesto 19
  194 Oakdale 19
  161 Patterson 0
Sutter 235 Verona 21
Tehama 008 Gerber 0
  222 Gerber South 20
Tulare 203 Alpaugh 0
  182 Delano 16
  086 Lindcove 0
  169 Porterville 0
Ventura 152 Camarillo 8
  217 Moorpark 6
  156 Oxnard 0
  198 Santa Paula 0
Yolo 155 Bryte 0
  006 Davis 19
  196 Esparto 0
  226 Woodland 19
Yuba 084 Browns Valley 20