California USA weather data
California USA Weather Data, Plant Disease Risk and Degree-Day Models
CALTRANS Network - other tables for CA include: All Networks, CWOP/APRS, CARB, CIMIS, CLR, CNRFC, DRI, 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 Anderson Grade Siskiyou
95
na
na
na
na
CTAND
map
zone
digital
CALTRANS
2963
 41.79056
-122.58833
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
AVG AVG nmme cfs
2 Antlers Shasta
54
na
na
na
na
CTANT
map
zone
digital
CALTRANS
1080
 40.88472
-122.38250
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
AVG AVG nmme cfs
3 Black Butte Summit Siskiyou
95
na
na
na
na
CTBBS
map
zone
digital
CALTRANS
3945
 41.35444
-122.35250
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
AVG AVG nmme cfs
4 Bogard Rest Area Lassen
91
na
na
na
na
CTBOG
map
zone
digital
CALTRANS
5659
 40.58556
-121.08806
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
AVG AVG nmme cfs
5 Brannan Island Rd Sacramento C
56
na
na
na
na
CF106
map
zone
digital
CALTRANS
-12
 38.13583
-121.60917
2022
2021
2020
2019
2018
2016
2015
AVG AVG nmme cfs
6 Buckhorn Sandhouse Trinity
84
na
na
na
na
CTBSN
map
zone
digital
CALTRANS
2707
 40.65444
-122.75444
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
AVG AVG nmme cfs
7 Collier Siskiyou Cou
83
na
na
na
na
CF114
map
zone
digital
CALTRANS
2148
 41.85167
-122.57000
2022
2021
-
-
nmme
-
8 Doyle Lassen Count
85
na
na
na
na
CF088
map
zone
digital
CALTRANS
4285
 40.00056
-120.08528
2022
2021
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
9 Dunsmuir Siskiyou
80
na
na
na
na
CTDUN
map
zone
digital
CALTRANS
2500
 41.21000
-122.27444
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
AVG AVG nmme cfs
10 Fredonyer Pass East Lassen
0
na
na
na
na
CTFPE
map
zone
digital
CALTRANS
4695
 40.39000
-120.79000
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
AVG AVG nmme cfs
11 Fredonyer Pass Summit Lassen
0
na
na
na
na
CTFYP
map
zone
digital
CALTRANS
5701
 40.36028
-120.86528
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
AVG AVG nmme cfs
12 Hatchet Mountain Shasta
89
na
na
na
na
CTHAT
map
zone
digital
CALTRANS
4366
 40.85194
-121.76194
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
AVG AVG nmme cfs
13 Hilt Siskiyou
92
na
na
na
na
CTHLT
map
zone
digital
CALTRANS
3188
 41.99250
-122.60861
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
AVG AVG nmme cfs
14 Hornbrook Siskiyou
92
na
na
na
na
CTHRN
map
zone
digital
CALTRANS
2280
 41.91028
-122.56778
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
AVG AVG nmme cfs
15 Hwy 267 at Brockway Su Nevada Count
83
na
na
na
na
CF048
map
zone
digital
CALTRANS
7194
 39.26056
-120.07167
2022
2021
-
-
nmme
-
16 Hwy 267 at Truckee Byp Nevada Count
71
na
na
na
na
CF049
map
zone
digital
CALTRANS
5866
 39.33417
-120.16306
2022
2021
-
-
nmme
-
17 Hwy 80 at Chiles Yolo County
95
na
na
na
na
CF050
map
zone
digital
CALTRANS
29
 38.56333
-121.63889
2022
2021
-
-
nmme
-
18 Hwy 80 at West Capitol Yolo County
87
na
na
na
na
CF055
map
zone
digital
CALTRANS
13
 38.57389
-121.58167
2022
2021
-
-
nmme
-
19 Hwy 89 at Rampart Nevada Count
77
na
na
na
na
CF060
map
zone
digital
CALTRANS
6250
 39.16528
-120.17750
2022
2021
-
-
nmme
-
20 I10 - East of SR-62 San Bernardi
96
na
na
na
na
CF013
map
zone
digital
CALTRANS
974
 33.91278
-116.59778
2022
2021
-
-
nmme
-
21 I5 - North of SR-12 Sacramento C
47
na
na
na
na
CF132
map
zone
digital
CALTRANS
6
 38.12056
-121.39944
2022
2021
-
-
nmme
-
22 I580 - I-205 San Joaquin
94
na
na
na
na
CF133
map
zone
digital
CALTRANS
301
 37.74139
-121.57167
2022
2021
-
-
nmme
-
23 I580 - West of SR-132 San Joaquin
95
na
na
na
na
CF123
map
zone
digital
CALTRANS
278
 37.65028
-121.42139
2022
2021
-
-
nmme
-
24 I101 Mile E of Indian San Bernardi
96
na
na
na
na
CF142
map
zone
digital
CALTRANS
646
 33.89389
-116.52028
2022
2021
-
-
nmme
-
25 I10W of Date Palm Dri Riverside Co
0
na
na
na
na
CF015
map
zone
digital
CALTRANS
406
 33.85139
-116.46222
2022
2021
-
-
nmme
-
26 I10W of Haugen-Lehman San Bernardi
96
na
na
na
na
CF012
map
zone
digital
CALTRANS
1358
 33.92333
-116.69917
2022
2021
-
-
nmme
-
27 I1503 Mile N of SR-1 San Bernardi
92
na
na
na
na
CF023
map
zone
digital
CALTRANS
3179
 34.31500
-117.47889
2022
2021
-
-
nmme
-
28 I1511 Miles S of Oak San Bernardi
82
na
na
na
na
CF025
map
zone
digital
CALTRANS
4281
 34.35028
-117.44472
2022
2021
-
-
nmme
-
29 I1522 Miles S of Oak San Bernardi
9
na
na
na
na
CF024
map
zone
digital
CALTRANS
4094
 34.34333
-117.46083
2022
2021
-
-
nmme
-
30 I15Next to CMS In Bak San Bernardi
83
na
na
na
na
CF140
map
zone
digital
CALTRANS
948
 35.25583
-116.08417
2022
2021
-
-
nmme
-
31 I40Barstow Mntc Yard San Bernardi
95
na
na
na
na
CF029
map
zone
digital
CALTRANS
2129
 34.88611
-116.99694
2022
2021
-
-
nmme
-
32 I5Del Puerto Canyon Stanislaus C
94
na
na
na
na
CF134
map
zone
digital
CALTRANS
265
 37.46722
-121.18333
2022
2021
-
-
nmme
-
33 I5I-205 Paradise Cut San Joaquin
0
na
na
na
na
CF128
map
zone
digital
CALTRANS
13
 37.76944
-121.32833
2022
2021
-
-
nmme
-
34 Janesville Lassen Count
83
na
na
na
na
CF087
map
zone
digital
CALTRANS
4172
 40.29389
-120.50833
2022
2021
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
35 Mer 99 SO La Grand Mariposa Cou
59
na
na
na
na
CF108
map
zone
digital
CALTRANS
201
 37.21306
-120.36250
2022
2021
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
36 Mer 99 SO Mariposa Way Stanislaus C
59
na
na
na
na
CF109
map
zone
digital
CALTRANS
192
 37.24472
-120.40278
2022
2021
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
37 North Weed Siskiyou Cou
96
na
na
na
na
CTWED
map
zone
digital
CALTRANS
3445
 41.42833
-122.39861
2022
2021
2020
2019
2018
2017
2016
2015
2012
2011
2010
AVG AVG nmme cfs
38 Oregon Mountain Summit Trinity
91
na
na
na
na
CTOMS
map
zone
digital
CALTRANS
2854
 40.73917
-122.98028
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
AVG AVG nmme cfs
39 Rt 152 San Luis Merced Count
79
na
na
na
na
CF031
map
zone
digital
CALTRANS
264
 37.06194
-121.06000
2022
2021
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
40 Rt 99 @ Crosstown San Joaquin
94
na
na
na
na
CF037
map
zone
digital
CALTRANS
31
 37.96139
-121.24139
2022
2021
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
41 Rt 99 @ Freemont San Joaquin
95
na
na
na
na
CF038
map
zone
digital
CALTRANS
26
 37.97417
-121.24722
2022
2021
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
42 Rt 99 @ Hammer Lane San Joaquin
95
na
na
na
na
CF041
map
zone
digital
CALTRANS
30
 38.02000
-121.25861
2022
2021
2020
2019
2018
2017
AVG
-
nmme
-
43 Rt 99 @ Wilson Way San Joaquin
62
na
na
na
na
CF039
map
zone
digital
CALTRANS
33
 38.00306
-121.25694
2022
2021
2020
2019
2018
2017
AVG AVG nmme cfs
44 Rt 99 Keyes San Joaquin
0
na
na
na
na
CF035
map
zone
digital
CALTRANS
93
 37.55944
-120.91972
2022
2021
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
45 Rt 99 Livingston Stanislaus C
11
na
na
na
na
CF034
map
zone
digital
CALTRANS
141
 37.37444
-120.68333
2022
2021
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
46 Rt 99 Merced Stanislaus C
0
na
na
na
na
CF032
map
zone
digital
CALTRANS
182
 37.26250
-120.42472
2022
2021
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
47 Rt 99 Ripon San Joaquin
91
na
na
na
na
CF036
map
zone
digital
CALTRANS
67
 37.74639
-121.13250
2022
2021
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
48 Rt 99 Turlock Stanislaus C
58
na
na
na
na
CF033
map
zone
digital
CALTRANS
112
 37.46444
-120.82472
2022
2021
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
49 S Clara Cnty 152 Jct 1 Santa Clara
91
na
na
na
na
CF110
map
zone
digital
CALTRANS
300
 36.97694
-121.38083
2022
2021
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
50 Sims Rd Siskiyou Cou
74
na
na
na
na
CF089
map
zone
digital
CALTRANS
1821
 41.07778
-122.35556
2022
2021
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
51 SJ 12 Tower Park Way Sacramento C
0
na
na
na
na
CF107
map
zone
digital
CALTRANS
-14
 38.11528
-121.48500
2022
2021
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
52 SJ 120 EO Airport Way San Joaquin
0
na
na
na
na
CF094
map
zone
digital
CALTRANS
31
 37.78306
-121.24361
2022
2021
2020
2019
2018
2017
2016
2015
AVG AVG nmme
-
53 SJ 120 EO Main St San Joaquin
96
na
na
na
na
CF111
map
zone
digital
CALTRANS
39
 37.78333
-121.21111
2022
2021
2020
2019
2018
2017
AVG
-
nmme
-
54 SJ 120 JCT Rte 5 R143 San Joaquin
92
na
na
na
na
CF098
map
zone
digital
CALTRANS
37
 37.78667
-121.30417
2022
2021
2020
2019
2018
2017
2016
2015
AVG AVG nmme
-
55 SJ 120 McKinley Ave UC San Joaquin
77
na
na
na
na
CF099
map
zone
digital
CALTRANS
29
 37.78472
-121.27056
2022
2021
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
56 SJ 5 NO Lathrop Rd San Joaquin
0
na
na
na
na
CF092
map
zone
digital
CALTRANS
18
 37.83778
-121.28611
2022
2021
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
57 SJ 5 NO Mathews Rd San Joaquin
97
na
na
na
na
CF095
map
zone
digital
CALTRANS
17
 37.88250
-121.27889
2022
2021
2020
2019
2018
2017
2016
2015
AVG AVG nmme
-
58 SJ 5 NO Roth Rd San Joaquin
0
na
na
na
na
CF096
map
zone
digital
CALTRANS
25
 37.85750
-121.28139
2022
2021
2020
2019
2018
2017
2016
2015
AVG AVG nmme
-
59 SJ 5 NO Rte 120 San Joaquin
95
na
na
na
na
CF093
map
zone
digital
CALTRANS
28
 37.79083
-121.30083
2022
2021
2020
2019
2018
2017
2016
2015
AVG AVG nmme
-
60 SJ 5 SO Louise Ave San Joaquin
92
na
na
na
na
CF097
map
zone
digital
CALTRANS
26
 37.81139
-121.29556
2022
2021
2020
2019
2018
2017
2016
2015
AVG AVG nmme
-
61 Snowmans Summit Siskiyou
83
na
na
na
na
CTSNS
map
zone
digital
CALTRANS
4478
 41.26889
-122.21139
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
AVG AVG nmme cfs
62 Spring Garden Overhead Lassen
70
na
na
na
na
CTSPG
map
zone
digital
CALTRANS
3860
 39.91167
-120.81167
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
AVG AVG nmme cfs
63 SR138-015 Mile E of San Bernardi
80
na
na
na
na
CF027
map
zone
digital
CALTRANS
4793
 34.38833
-117.57444
2022
2021
-
-
nmme
-
64 SR152-Dinosaur Pt Merced Count
49
na
na
na
na
CF130
map
zone
digital
CALTRANS
1371
 37.06694
-121.21583
2022
2021
-
-
nmme
-
65 SR178-Kern Canyon Roa Kern County
55
na
na
na
na
CF116
map
zone
digital
CALTRANS
751
 35.39861
-118.87944
2022
2021
-
-
nmme
-
66 SR18-SR-189 Lk Gregor San Bernardi
56
na
na
na
na
CF141
map
zone
digital
CALTRANS
5141
 34.22778
-117.25167
2022
2021
-
-
nmme
-
67 SR198-Just W of SR-99 Fresno Count
38
na
na
na
na
CF119
map
zone
digital
CALTRANS
298
 36.32694
-119.41556
2022
2021
-
-
nmme
-
68 SR2-Wrightwood Fire S San Bernardi
95
na
na
na
na
CF139
map
zone
digital
CALTRANS
5921
 34.35944
-117.62917
2022
2021
-
-
nmme
-
69 SR219-E of Pentecost San Joaquin
78
na
na
na
na
CF124
map
zone
digital
CALTRANS
104
 37.71111
-121.00083
2022
2021
-
-
nmme
-
70 SR219-W of Morrow Roa San Joaquin
65
na
na
na
na
CF125
map
zone
digital
CALTRANS
91
 37.71111
-121.03806
2022
2021
-
-
nmme
-
71 SR41-S Joaquin Rvr Madera Count
0
na
na
na
na
CF079
map
zone
digital
CALTRANS
285
 36.87444
-119.79306
2022
2021
-
-
-
-
72 SR58-W of Cottonwood Kern County
90
na
na
na
na
CF115
map
zone
digital
CALTRANS
406
 35.35250
-118.98389
2022
2021
-
-
nmme
-
73 SR99 - Fresno River Madera Count
55
na
na
na
na
CF078
map
zone
digital
CALTRANS
278
 36.97028
-120.07250
2022
2021
-
-
nmme
-
74 SR99 - SR-120 San Joaquin
85
na
na
na
na
CF129
map
zone
digital
CALTRANS
39
 37.77833
-121.18389
2022
2021
-
-
nmme
-
75 SR99-Buchanan Hollow Mariposa Cou
72
na
na
na
na
CF121
map
zone
digital
CALTRANS
213
 37.19722
-120.34306
2022
2021
-
-
nmme
-
76 SR99-N of Jack Tone R San Joaquin
97
na
na
na
na
CF136
map
zone
digital
CALTRANS
64
 37.75944
-121.15444
2022
2021
-
-
nmme
-
77 SR99-N of Kiernan Rd San Joaquin
73
na
na
na
na
CF127
map
zone
digital
CALTRANS
72
 37.70889
-121.08139
2022
2021
-
-
nmme
-
78 SR139 Perez Modoc County
94
na
na
na
na
CF090
map
zone
digital
CALTRANS
4480
 41.60389
-121.20694
2022
2021
2020
2019
2018
2017
2016
2015
AVG AVG nmme cfs
79 Vollmers Shasta Count
78
na
na
na
na
CTVOL
map
zone
digital
CALTRANS
1330
 40.94167
-122.42667
2022
2021
2020
2019
2018
2017
2016
2015
2011
2010
AVG AVG nmme cfs
80 WO SR 33 Vernalis San Joaquin
76
na
na
na
na
CF143
map
zone
digital
CALTRANS
133
 37.63778
-121.31389
2022
2021
-
-
nmme
-
81 Weed Airport Siskiyou
96
na
na
na
na
CTWDA
map
zone
digital
CALTRANS
2921
 41.47250
-122.45278
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
AVG AVG nmme cfs

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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.