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 Anza Borrego Desert Re San Diego Co
90
na
na
na
na
UCAB
map
zone
digital
DRI
821
 33.25556
-116.40417
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
2 Avalon Sch S Catalina Los Angeles
98
na
na
na
na
CIAV
map
zone
digital
DRI
111
 33.33833
-118.33333
2020
2019
2018
2017
2016
2015
2014
AVG AVG nmme cfs
3 Big Cr ReserveGatehou Monterey Cou
0
na
na
na
na
UCBC
map
zone
digital
DRI
90
 36.07056
-121.59833
2020
2019
2018
2017
2016
2015
AVG AVG nmme
-
4 Blue Oak Ranch Reserve Santa Clara
98
na
na
na
na
UCBO
map
zone
digital
DRI
1885
 37.38167
-121.73639
2020
2019
2018
2017
2016
2015
2014
AVG AVG nmme cfs
5 Bodega Marine Reserve Sonoma Count
76
na
na
na
na
UCBM
map
zone
digital
DRI
100
 38.31389
-123.06028
2020
2019
2018
2017
AVG AVG nmme cfs
6 Boyd Deep Canyon Reser Riverside Co
86
na
na
na
na
UCDE
map
zone
digital
DRI
980
 33.64806
-116.37806
2020
2019
2018
2017
2016
2015
2014
AVG AVG nmme cfs
7 Bridgeport Valley Mono County
53
na
na
na
na
CBVA
map
zone
digital
DRI
6495
 38.22306
-119.25194
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
8 Burns Pinion Ridge Res San Bernardi
78
na
na
na
na
UCBU
map
zone
digital
DRI
4081
 34.14806
-116.45556
2020
2019
2018
2017
2016
2015
2014
AVG AVG nmme cfs
9 CENTRAL SIERRA SNOW LA Nevada
90
na
na
na
na
CSSL
map
zone
digital
DRI
6883
 39.32556
-120.36667
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
10 Elliot Chaparral Reser San Diego Co
99
na
na
na
na
UCEL
map
zone
digital
DRI
780
 32.89167
-117.09194
2020
2019
2018
2017
2016
2015
2014
AVG AVG nmme cfs
11 HIGHLANDS PEAK Monterey
73
na
na
na
na
HLPK
map
zone
digital
DRI
2490
 36.06750
-121.55917
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme
-
12 Jepson Prairie Reserve Solano Count
72
na
na
na
na
UCJP
map
zone
digital
DRI
35
 38.26806
-121.82778
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
13 Motte Rimrock Reserve Riverside Co
96
na
na
na
na
UCMO
map
zone
digital
DRI
1901
 33.80444
-117.25556
2020
2019
2018
2017
2016
2015
2014
AVG AVG nmme cfs
14 North Spring Valley White Pine C
72
na
na
na
na
NNSV
map
zone
digital
DRI
5642
 39.45806
-114.50667
2020
2019
2018
2017
2016
2015
2014
AVG AVG nmme cfs
15 PT REYES RCA Marin
94
na
na
na
na
PTRCA
map
zone
digital
DRI
87
 38.09417
-122.95000
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme
-
16 S Cruz Is Reserve UCNR Santa Barbar
92
na
na
na
na
UCSC
map
zone
digital
DRI
1335
 33.99917
-119.68556
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
17 Sedgwick Reserve UCNRS Santa Barbar
97
na
na
na
na
UCSE
map
zone
digital
DRI
1154
 34.69389
-120.04167
2020
2019
2018
2017
2016
2015
2014
AVG AVG nmme cfs
18 Stunt Ranch Reserve UC Ventura Coun
77
na
na
na
na
UCSR
map
zone
digital
DRI
1305
 34.09444
-118.65667
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
19 Sweeney Granite Mtns U San Bernardi
74
na
na
na
na
UCGR
map
zone
digital
DRI
4279
 34.78194
-115.65278
2020
2019
2018
2017
2016
2015
2014
AVG AVG nmme cfs
20 Valentine Eern Sierra Mono County
88
na
na
na
na
UCSH
map
zone
digital
DRI
7085
 37.61333
-118.83306
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
21 WHALE POINT Monterey
85
na
na
na
na
WHALE
map
zone
digital
DRI
620
 36.07194
-121.59556
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme
-

[USPEST.ORG/WEA Home] [Intro] [US DD Mapmaker] [Main Table Index] [Links]
National Plant Diagnostics Network Integrated Plant Protection Center at OSU Oregon State University 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 Integrated Plant Protection Center at Oregon State University with support from the USDA National Plant Diagnostic Network, various USDA NIFA and RMA grants, and USDA IPM Centers - Western Region. 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. 8, 2020
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.