California USA weather data
California USA Weather Data, Plant Disease Risk and Degree-Day Models
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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:)
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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 Anderson Grade Siskiyou
100
na
na
na
na
CTAND
map
zone
digital
CALTRANS
2963
 41.79056
-122.58833
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
2 Antlers Shasta
95
na
na
na
na
CTANT
map
zone
digital
CALTRANS
1080
 40.88472
-122.38250
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
3 Black Butte Summit Siskiyou
0
na
na
na
na
CTBBS
map
zone
digital
CALTRANS
3945
 41.35444
-122.35250
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
4 Bogard Rest Area Lassen
76
na
na
na
na
CTBOG
map
zone
digital
CALTRANS
5659
 40.58556
-121.08806
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
5 Buckhorn Sandhouse Trinity
87
na
na
na
na
CTBSN
map
zone
digital
CALTRANS
2707
 40.65444
-122.75444
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
6 Doyle Lassen Count
86
na
na
na
na
CF088
map
zone
digital
CALTRANS
4285
 40.00056
-120.08528
2017
2016
2015
AVG AVG nmme cfs
7 Dunsmuir Siskiyou
97
na
na
na
na
CTDUN
map
zone
digital
CALTRANS
2500
 41.21000
-122.27444
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
8 Fredonyer Pass East Lassen
76
na
na
na
na
CTFPE
map
zone
digital
CALTRANS
4695
 40.39000
-120.79000
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
9 Fredonyer Pass Summit Lassen
93
na
na
na
na
CTFYP
map
zone
digital
CALTRANS
5701
 40.36028
-120.86528
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
10 Hatchet Mountain Shasta
90
na
na
na
na
CTHAT
map
zone
digital
CALTRANS
4366
 40.85194
-121.76194
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
AVG AVG nmme cfs
11 Hilt Siskiyou
95
na
na
na
na
CTHLT
map
zone
digital
CALTRANS
3188
 41.99250
-122.60861
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
12 Hornbrook Siskiyou
100
na
na
na
na
CTHRN
map
zone
digital
CALTRANS
2280
 41.91028
-122.56778
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
13 I5 - Elkhorn Yolo County
0
na
na
na
na
CF057
map
zone
digital
CALTRANS
27
 38.67333
-121.64139
2017
2016
2015
AVG AVG nmme cfs
14 I5 - Richards Yolo County
0
na
na
na
na
CF058
map
zone
digital
CALTRANS
48
 38.59833
-121.50444
2017
2016
2015
AVG AVG nmme cfs
15 I5 @ Grapevine Rd Kern County
47
na
na
na
na
CF083
map
zone
digital
CALTRANS
1550
 34.93889
-118.93000
2017
2016
2015
AVG AVG nmme cfs
16 I5 @ Milham Ave Fresno Count
100
na
na
na
na
CF075
map
zone
digital
CALTRANS
483
 36.00861
-119.98944
2017
2016
2015
AVG AVG nmme cfs
17 I5 @ near Panoche Rd Fresno Count
83
na
na
na
na
CF077
map
zone
digital
CALTRANS
470
 36.64833
-120.62972
2017
2016
2015
AVG AVG nmme cfs
18 I5 @ Whitaker Summit Ventura Coun
0
na
na
na
na
CF001
map
zone
digital
CALTRANS
2856
 34.58472
-118.71028
2017
2016
2015
AVG AVG nmme cfs
19 I5 Santa Nella Merced Count
96
na
na
na
na
CF030
map
zone
digital
CALTRANS
172
 37.11528
-121.02333
2017
2016
2015
AVG AVG nmme cfs
20 I80 - Blue Canyon Nevada Count
0
na
na
na
na
CF043
map
zone
digital
CALTRANS
5300
 39.28333
-120.70306
2017
2016
2015
AVG AVG nmme cfs
21 I80 - Cisco Grove Nevada Count
0
na
na
na
na
CF044
map
zone
digital
CALTRANS
5672
 39.30889
-120.54444
2017
2016
2015
AVG AVG nmme cfs
22 I80 - Donner Lake UC Nevada Count
0
na
na
na
na
CF046
map
zone
digital
CALTRANS
6409
 39.33167
-120.28750
2017
2016
2015
AVG AVG nmme cfs
23 I80 - Floriston Sierra Count
0
na
na
na
na
CF052
map
zone
digital
CALTRANS
5296
 39.39556
-120.02389
2017
2016
2015
AVG AVG nmme cfs
24 I80 - Truckee Scales Nevada Count
0
na
na
na
na
CF051
map
zone
digital
CALTRANS
5830
 39.36194
-120.13000
2017
-
AVG nmme cfs
25 I205 and Mtn House Rd San Joaquin
99
na
na
na
na
CF104
map
zone
digital
CALTRANS
135
 37.74194
-121.52528
2017
2016
2015
-
AVG nmme cfs
26 Janesville Lassen Count
86
na
na
na
na
CF087
map
zone
digital
CALTRANS
4172
 40.29389
-120.50833
2017
2016
2015
AVG AVG nmme cfs
27 Mer 99 SO La Grand Mariposa Cou
98
na
na
na
na
CF108
map
zone
digital
CALTRANS
201
 37.21306
-120.36250
2017
2016
2015
-
AVG nmme cfs
28 Mer 99 SO Mariposa Way Stanislaus C
99
na
na
na
na
CF109
map
zone
digital
CALTRANS
192
 37.24472
-120.40278
2017
2016
2015
-
AVG nmme cfs
29 North Weed Siskiyou Cou
99
na
na
na
na
CTWED
map
zone
digital
CALTRANS
3445
 41.42833
-122.39861
2017
2016
2015
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
30 Oregon Mountain Summit Trinity
92
na
na
na
na
CTOMS
map
zone
digital
CALTRANS
2854
 40.73917
-122.98028
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
31 Route 145 + Ave 5 12 Madera Count
12
na
na
na
na
CF082
map
zone
digital
CALTRANS
248
 36.82889
-120.05583
2017
2016
2015
AVG AVG nmme cfs
32 Route 152 over Ash Slo Madera Count
29
na
na
na
na
CF069
map
zone
digital
CALTRANS
188
 37.08306
-120.35917
2017
2016
2015
AVG AVG nmme cfs
33 Route 99 @ Kings Rvr B Fresno Count
10
na
na
na
na
CF070
map
zone
digital
CALTRANS
283
 36.49639
-119.53028
2017
-
AVG nmme cfs
34 Route 99 Delano Kern County
0
na
na
na
na
CF080
map
zone
digital
CALTRANS
309
 35.77333
-119.25222
2017
2016
2015
AVG AVG nmme cfs
35 RT 14 @ Avenue D Los Angeles
0
na
na
na
na
CF010
map
zone
digital
CALTRANS
2334
 34.77667
-118.16917
2017
2016
2015
AVG AVG nmme cfs
36 Rt 152 San Luis Merced Count
98
na
na
na
na
CF031
map
zone
digital
CALTRANS
264
 37.06194
-121.06000
2017
2016
2015
AVG AVG nmme cfs
37 Rt 99 @ Armstrong Rd Sacramento C
51
na
na
na
na
CF040
map
zone
digital
CALTRANS
48
 38.06944
-121.26000
2017
-
AVG nmme cfs
38 Rt 99 @ Crosstown San Joaquin
99
na
na
na
na
CF037
map
zone
digital
CALTRANS
31
 37.96139
-121.24139
2017
2016
2015
AVG AVG nmme cfs
39 Rt 99 @ Freemont San Joaquin
99
na
na
na
na
CF038
map
zone
digital
CALTRANS
26
 37.97417
-121.24722
2017
2016
2015
AVG AVG nmme cfs
40 Rt 99 @ Wilson Way San Joaquin
99
na
na
na
na
CF039
map
zone
digital
CALTRANS
33
 38.00306
-121.25694
2017
-
AVG nmme cfs
41 Rt 99 Keyes San Joaquin
99
na
na
na
na
CF035
map
zone
digital
CALTRANS
93
 37.55944
-120.91972
2017
2016
2015
-
AVG nmme cfs
42 Rt 99 Livingston Stanislaus C
99
na
na
na
na
CF034
map
zone
digital
CALTRANS
141
 37.37444
-120.68333
2017
2016
2015
AVG AVG nmme cfs
43 Rt 99 Merced Stanislaus C
98
na
na
na
na
CF032
map
zone
digital
CALTRANS
182
 37.26250
-120.42472
2017
2016
2015
AVG AVG nmme cfs
44 Rt 99 Ripon San Joaquin
93
na
na
na
na
CF036
map
zone
digital
CALTRANS
67
 37.74639
-121.13250
2017
2016
2015
AVG AVG nmme cfs
45 Rt 99 Turlock Stanislaus C
96
na
na
na
na
CF033
map
zone
digital
CALTRANS
112
 37.46444
-120.82472
2017
2016
2015
AVG AVG nmme cfs
46 Rte 46 @ E Kecks Rd San Luis Obi
0
na
na
na
na
CF086
map
zone
digital
CALTRANS
733
 35.63972
-120.01778
2017
2016
2015
AVG AVG nmme cfs
47 Rte 46 @ Kecks Rd San Luis Obi
98
na
na
na
na
CF084
map
zone
digital
CALTRANS
790
 35.67833
-120.06889
2017
2016
2015
AVG AVG nmme cfs
48 S Clara Cnty 152 Jct 1 Santa Clara
99
na
na
na
na
CF110
map
zone
digital
CALTRANS
300
 36.97694
-121.38083
2017
2016
2015
-
AVG nmme cfs
49 Sims Rd Siskiyou Cou
90
na
na
na
na
CF089
map
zone
digital
CALTRANS
1821
 41.07778
-122.35556
2017
2016
2015
-
AVG nmme cfs
50 Site 27 NB 99 @ Miss Stanislaus C
0
na
na
na
na
CF042
map
zone
digital
CALTRANS
182
 37.26250
-120.42472
2017
2016
2015
AVG AVG nmme
-
51 SJ 12 Tower Park Way Sacramento C
93
na
na
na
na
CF107
map
zone
digital
CALTRANS
-14
 38.11528
-121.48500
2017
2016
2015
-
AVG nmme cfs
52 SJ 120 McKinley Ave UC San Joaquin
99
na
na
na
na
CF099
map
zone
digital
CALTRANS
29
 37.78472
-121.27056
2017
2016
2015
-
AVG nmme cfs
53 SJ 205 East Banta OH San Joaquin
0
na
na
na
na
CF103
map
zone
digital
CALTRANS
24
 37.76528
-121.34833
2017
2016
2015
-
AVG nmme cfs
54 SJ 205 MacArthur Dr San Joaquin
99
na
na
na
na
CF102
map
zone
digital
CALTRANS
19
 37.76278
-121.42556
2017
2016
2015
-
AVG nmme cfs
55 SJ 5 NO Lathrop Rd San Joaquin
98
na
na
na
na
CF092
map
zone
digital
CALTRANS
18
 37.83778
-121.28611
2017
2016
2015
-
AVG nmme cfs
56 Snowmans Summit Siskiyou
99
na
na
na
na
CTSNS
map
zone
digital
CALTRANS
4478
 41.26889
-122.21139
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
57 Spring Garden Overhead Lassen
72
na
na
na
na
CTSPG
map
zone
digital
CALTRANS
3860
 39.91167
-120.81167
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
58 SR28 - Dollar Pt Nevada Count
4
na
na
na
na
CF061
map
zone
digital
CALTRANS
6499
 39.19389
-120.10333
2017
2016
2015
AVG AVG nmme cfs
59 SR99 - McConnell Sacramento C
0
na
na
na
na
CF059
map
zone
digital
CALTRANS
68
 38.36194
-121.34667
2017
2016
2015
AVG AVG nmme cfs
60 SR139 Perez Modoc County
96
na
na
na
na
CF090
map
zone
digital
CALTRANS
4480
 41.60389
-121.20694
2017
2016
2015
-
AVG nmme cfs
61 Tejon Kern County
0
na
na
na
na
CF004
map
zone
digital
CALTRANS
3126
 34.87750
-118.89528
2017
2016
2015
AVG AVG nmme cfs
62 Vollmers Shasta Count
93
na
na
na
na
CTVOL
map
zone
digital
CALTRANS
1330
 40.94167
-122.42667
2017
2016
2015
2011
2010
2009
2008
2007
AVG AVG nmme cfs
63 Weed Airport Siskiyou
100
na
na
na
na
CTWDA
map
zone
digital
CALTRANS
2921
 41.47250
-122.45278
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
64 Westside Blvd Stanislaus C
56
na
na
na
na
CF091
map
zone
digital
CALTRANS
152
 37.36250
-120.65333
2017
2016
2015
-
AVG nmme cfs

[USPEST.ORG/WEA Home] [Feedback Survey] [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 Mar. 23, 2017
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.