California USA weather data
California USA Weather Data, Plant Disease Risk and Degree-Day Models
DRI Network - other tables for CA include: All Networks, CWOP/APRS, CALTRANS, CARB, CIMIS, CLR, CNRFC, HADS, METAR, RAWS, PESTCAST, see our homepage.
Interactive degree-day maps
California USA base 32 degree-days to date
Degree-day & Phenology Model Calculator
 Also try the full-featured calculator/DD model
Select model: 
Thresholds: lower: °F   upper: °F (or celsius °C:)
  Calc. method:
Start (biofix) date:   End date:   
 Forecast type:   
Statewide Disease Alert Maps: tomato-potato Smith late blight, Tomcast DSV, fire blight, fire blight w/2-day forecast, soybean rust
Disease Alert Movies: fireblight: 2010 2011 2012 2013
Data table - to SORT click on headers:
# Location linked to
hourly weather,
plant disease models and
forecasts
using
"Mypest Page"
 
County
Re-
cent
data QA
Fore-
cast
based
virt
data
Nearby
station
based
virt
data

Station code,
links to
NWS recent
weather

Links to
NWS fore-
casts
 
Net-
work
Elev. (ft)
 
Lat./ Long.
(Dec. Deg.)
 
Max-min temperature data and degree-days
(click radio button to calc.)

10 yr
avgs

30 yr
avgs

nmme
fcast

cfs
fcast
1 Angelo Coast Range Res Mendocino Co
97
na
na
na
na
UCAC
map
zone
digital
DRI
1365
 39.73917
-123.63056
2022
2021
-
-
nmme
-
2 Anza Borrego Desert Re San Diego Co
97
na
na
na
na
UCAB
map
zone
digital
DRI
821
 33.25556
-116.40417
2022
2021
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
3 Avalon Sch S Catalina Los Angeles
96
na
na
na
na
CIAV
map
zone
digital
DRI
111
 33.33833
-118.33333
2022
2021
2020
2019
2018
2017
2016
2015
2014
AVG AVG nmme cfs
4 Big Cr ReserveGatehou Monterey Cou
96
na
na
na
na
UCBC
map
zone
digital
DRI
90
 36.07056
-121.59833
2022
2021
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
5 Blue Oak Ranch Reserve Santa Clara
96
na
na
na
na
UCBO
map
zone
digital
DRI
1885
 37.38167
-121.73639
2022
2021
2020
2019
2018
2017
2016
2015
2014
AVG AVG nmme cfs
6 Bodega Marine Reserve Sonoma Count
93
na
na
na
na
UCBM
map
zone
digital
DRI
100
 38.31389
-123.06028
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
7 Boyd Deep Canyon Reser Riverside Co
93
na
na
na
na
UCDE
map
zone
digital
DRI
980
 33.64806
-116.37806
2022
2021
2020
2019
2018
2017
2016
2015
2014
AVG AVG nmme cfs
8 Bridgeport Valley Mono County
73
na
na
na
na
CBVA
map
zone
digital
DRI
6495
 38.22306
-119.25194
2022
2021
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
9 Bunker Nevada Count
40
na
na
na
na
DDBUN
map
zone
digital
DRI
7408
 39.04889
-120.37889
2022
2021
-
-
nmme
-
10 Burns Pinion Ridge Res San Bernardi
93
na
na
na
na
UCBU
map
zone
digital
DRI
4081
 34.14806
-116.45556
2022
2021
2020
2019
2018
2017
2016
2015
2014
AVG AVG nmme cfs
11 CENTRAL SIERRA SNOW LA Nevada
0
na
na
na
na
CSSL
map
zone
digital
DRI
6883
 39.32556
-120.36667
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
AVG AVG nmme cfs
12 Elliot Chaparral Reser San Diego Co
93
na
na
na
na
UCEL
map
zone
digital
DRI
780
 32.89167
-117.09194
2022
2021
2020
2019
2018
2017
2016
2015
2014
AVG AVG nmme cfs
13 HIGHLANDS PEAK Monterey
87
na
na
na
na
HLPK
map
zone
digital
DRI
2490
 36.06750
-121.55917
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
AVG AVG nmme
-
14 Jepson Prairie Reserve Solano Count
48
na
na
na
na
UCJP
map
zone
digital
DRI
35
 38.26806
-121.82778
2022
2021
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
15 McLaughlin ReserveKnox Yolo County
96
na
na
na
na
UCMC
map
zone
digital
DRI
1320
 38.82417
-122.33472
2022
2021
-
-
nmme
-
16 Motte Rimrock Reserve Riverside Co
94
na
na
na
na
UCMO
map
zone
digital
DRI
1901
 33.80444
-117.25556
2022
2021
2020
2019
2018
2017
2016
2015
2014
AVG AVG nmme cfs
17 North Spring Valley White Pine C
94
na
na
na
na
NNSV
map
zone
digital
DRI
5642
 39.45806
-114.50667
2022
2021
2020
2019
2018
2017
2016
2015
2014
AVG AVG nmme cfs
18 Northstar WX Nevada Count
79
na
na
na
na
DDNSW
map
zone
digital
DRI
8599
 39.24083
-120.14000
2022
2021
-
-
nmme
-
19 PT REYES RCA Marin
96
na
na
na
na
PTRCA
map
zone
digital
DRI
87
 38.09417
-122.95000
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
AVG AVG nmme
-
20 S Cruz Is Reserve UCNR Santa Barbar
76
na
na
na
na
UCSC
map
zone
digital
DRI
1335
 33.99917
-119.68556
2022
2021
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
21 Sedgwick Reserve UCNRS Santa Barbar
93
na
na
na
na
UCSE
map
zone
digital
DRI
1154
 34.69389
-120.04167
2022
2021
2020
2019
2018
2017
2016
2015
2014
AVG AVG nmme cfs
22 Sorensens ResortHope Douglas Coun
86
na
na
na
na
CSRR
map
zone
digital
DRI
6912
 38.77556
-119.90389
2022
2021
-
-
-
-
23 Stunt Ranch Reserve UC Ventura Coun
94
na
na
na
na
UCSR
map
zone
digital
DRI
1305
 34.09444
-118.65667
2022
2021
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
24 Sweeney Granite Mtns U San Bernardi
94
na
na
na
na
UCGR
map
zone
digital
DRI
4279
 34.78194
-115.65278
2022
2021
2020
2019
2018
2017
2016
2015
2014
AVG AVG nmme cfs
25 Valentine Eern Sierra Mono County
92
na
na
na
na
UCSH
map
zone
digital
DRI
7085
 37.61333
-118.83306
2022
2021
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
26 WHALE POINT Monterey
95
na
na
na
na
WHALE
map
zone
digital
DRI
620
 36.07194
-121.59556
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
AVG AVG nmme cfs
27 Younger Lagoon Reserve Santa Clara
97
na
na
na
na
UCYL
map
zone
digital
DRI
9
 36.94889
-122.06639
2022
2021
-
-
nmme
-

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Oregon IPM Center at State University National Plant Diagnostics Network The PRISM Group at OSU Fox Weather, LLC University of Utah Mesowest Western
 Region Pest Management Center National
 Institute of Food and Agriculture
All data provided "as is" and users assume all risk in its use - see full disclaimer. All NWS derived data is not subject to copyright protection. This site hosted by the Oregon IPM Center at Oregon State University with support from USDA APHIS, various USDA NIFA grants, and USDA Western Region IPM Center. Climate map data provided by OSU PRISM Group, realtime public weather data provided by U. Utah Mesowest and various other networks.
This site on-line since April 5, 1996; last update Jan. 3, 2022
Contact Len Coop, OSU IPPC and Horticulture Dept. at coopl@science.oregonstate.edu or 541-737-5523 if you have any questions about this information.