Delaware USA weather data
Delaware USA Weather Data, Plant Disease Risk and Degree-Day Models
All Available Networks - other tables for DE include: CWOP/APRS, METAR, see our homepage.
Interactive degree-day maps
Delaware 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, 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 Blackbird Cr Townsend New Castle
93
na
na
na
na
DE003
map
zone
digital
DEOS
49
 39.39528
-75.63167
2019
2018
2017
2016
2015
2014
2013
2012
AVG AVG nmme cfs
2 BLACKBIRD New Castle
97
na
na
na
na
BLKD1
map
zone
digital
RAWS
70
 39.32556
-75.73056
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
3 Brandywine Cr Wilmingt Chester
90
na
na
na
na
DE002
map
zone
digital
DEOS
427
 39.80250
-75.60694
2019
2018
2017
2016
2015
2014
2013
2012
AVG AVG nmme cfs
4 Brandywine Shoal Light
0
na
na
na
na
BRND1
map
zone
digital
NOS-PORTS
0
 38.98667
-75.11306
2019
2018
2017
2016
2015
2014
2012
2011
2010
2009
AVG AVG nmme cfs
5 Broad Creek Laurel Sussex
99
na
na
na
na
DE013
map
zone
digital
DEOS
28
 38.54139
-75.59250
2019
2018
2017
2016
2015
2014
2013
2012
AVG AVG nmme cfs
6 C&D Canal BrdgOdessa New Castle C
82
na
na
na
na
DEL00
map
zone
digital
DEDOT
115
 39.54444
-75.65194
2019
2018
2017
AVG
-
nmme
-
7 Cedar Creek Ellendale Sussex
99
na
na
na
na
DE017
map
zone
digital
DEOS
51
 38.80806
-75.42694
2019
2018
2017
2016
2015
2014
2013
2012
AVG AVG nmme cfs
8 Chester River Kenton Kent
100
na
na
na
na
DE006
map
zone
digital
DEOS
56
 39.24139
-75.74056
2019
2018
2017
2016
2015
2014
2013
2012
AVG AVG nmme cfs
9 Choptank River Felton Kent
77
na
na
na
na
DE024
map
zone
digital
DEOS
55
 39.03750
-75.72944
2019
2018
2017
2016
2015
2014
2013
2012
AVG AVG nmme cfs
10 Christina River Newark New Castle
96
na
na
na
na
DE001
map
zone
digital
DEOS
60
 39.60583
-75.72667
2019
2018
2017
2016
2015
2014
2013
2012
AVG AVG nmme cfs
11 DE 1 & 12 Smyrna New Castle C
89
na
na
na
na
DEL08
map
zone
digital
DEDOT
43
 39.29139
-75.59417
2019
2018
2017
AVG
-
nmme
-
12 DE 1 @ EOC Smyrna New Castle C
87
na
na
na
na
DEL03
map
zone
digital
DEDOT
40
 39.31944
-75.60583
2019
2018
2017
AVG
-
nmme
-
13 Deep Creek Georgetown Sussex Count
65
na
na
na
na
DE011
map
zone
digital
DEOS
52
 38.59444
-75.43667
2019
2018
2017
2016
2015
2014
AVG AVG nmme cfs
14 Deep Creek Georgetown Sussex
97
na
na
na
na
DE014
map
zone
digital
DEOS
46
 38.63583
-75.45472
2019
2018
2017
2016
2015
2014
2013
2012
AVG AVG nmme cfs
15 Delaware City New Castle
47
na
na
na
na
DELD1
map
zone
digital
NOS-PORTS
0
 39.58167
-75.58806
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
AVG AVG nmme cfs
16 Dover Air Force Base Kent
95
na
na
na
na
KDOV
map
zone
digital
METAR
30
 39.13306
-75.46667
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
17 Dover CW6404 Kent
96
na
na
na
na
C6404
map
zone
digital
CWOP/APRSWX
33
 39.16556
-75.60056
2019
2018
2017
2016
2015
2014
2013
2010
2009
2008
AVG AVG nmme cfs
18 Hockessin DW8324 Chester Coun
73
na
na
na
na
D8324
map
zone
digital
CWOP/APRSWX
233
 39.75111
-75.68500
2019
2018
2017
2016
2015
2014
AVG AVG nmme cfs
19 Seaford DW8780 Sussex Count
99
na
na
na
na
D8780
map
zone
digital
CWOP/APRSWX
26
 38.64500
-75.62611
2019
2018
2017
2016
2015
2014
AVG AVG nmme cfs
20 Newark DW9234 New Castle C
96
na
na
na
na
D9234
map
zone
digital
CWOP/APRSWX
121
 39.65306
-75.75694
2019
2018
2017
2016
2015
2014
AVG AVG nmme cfs
21 Rehoboth Beach EW0496 Sussex Count
99
na
na
na
na
E0496
map
zone
digital
CWOP/APRSWX
20
 38.70028
-75.09694
2019
2018
2017
2016
2015
2014
AVG AVG nmme cfs
22 Glasgow EW0771 New Castle C
94
na
na
na
na
E0771
map
zone
digital
CWOP/APRSWX
276
 39.60889
-75.75917
2019
2018
2017
2016
2015
AVG AVG nmme cfs
23 Selbyville EW1653 Sussex Count
99
na
na
na
na
E1653
map
zone
digital
CWOP/APRSWX
20
 38.47722
-75.18028
2019
2018
2017
2016
2015
AVG AVG nmme cfs
24 Magstadt EW1987
95
na
na
na
na
E1987
map
forecast
digital
CWOP/APRSWX
1765
 47.71111
-92.05556
2019
2018
2017
AVG
-
-
-
25 Felton EW5390 Kent County
77
na
na
na
na
E5390
map
zone
digital
CWOP/APRSWX
20
 39.03306
-75.51667
2019
2018
2017
2016
2015
AVG AVG nmme cfs
26 Greenwood EW7993 Sussex Count
99
na
na
na
na
E7993
map
zone
digital
CWOP/APRSWX
45
 38.77833
-75.58222
2019
2018
2017
2016
2015
AVG AVG nmme cfs
27 Newark EW9357 New Castle C
2
na
na
na
na
E9357
map
zone
digital
CWOP/APRSWX
321
 39.70917
-75.77750
2019
2018
2017
AVG AVG nmme cfs
28 Lewes EW9733 Sussex Count
99
na
na
na
na
E9733
map
zone
digital
CWOP/APRSWX
20
 38.75611
-75.20278
2019
2018
2017
AVG AVG nmme cfs
29 Milton EW9904 Sussex Count
99
na
na
na
na
E9904
map
zone
digital
CWOP/APRSWX
24
 38.75056
-75.24806
2019
2018
2017
AVG AVG nmme cfs
30 Georgetown Sussex Co A Sussex
91
na
na
na
na
KGED
map
zone
digital
METAR
46
 38.68944
-75.36222
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
31 Hockessin N3PL Chester
94
na
na
na
na
AR506
map
zone
digital
CWOP/APRSWX
305
 39.79806
-75.67556
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
32 I95 @ 896 - Newark New Castle C
90
na
na
na
na
DEL16
map
zone
digital
DEDOT
79
 39.64750
-75.74639
2019
2018
2017
AVG
-
nmme
-
33 I495 @ Exit 2Wilmingt New Castle C
87
na
na
na
na
DEL01
map
zone
digital
DEDOT
20
 39.72056
-75.53972
2019
2018
2017
AVG
-
nmme
-
34 I95 @ Marsh RoadWilmi Chester Coun
83
na
na
na
na
DEL14
map
zone
digital
DEDOT
236
 39.78000
-75.50583
2019
2018
2017
AVG
-
nmme
-
35 Indian River Millsboro Sussex
99
na
na
na
na
DE018
map
zone
digital
DEOS
31
 38.62917
-75.32194
2019
2018
2017
2016
2015
2014
2013
2012
AVG AVG nmme cfs
36 Indian Rvr Bay Dewey B Sussex
99
na
na
na
na
DE020
map
zone
digital
DEOS
8
 38.63306
-75.06639
2019
2018
2017
2016
2015
2014
2013
2012
AVG AVG nmme cfs
37 LewesCape Henlopen Sussex Count
0
na
na
na
na
DE049
map
zone
digital
DEOS
23
 38.77028
-75.08528
2019
2018
2017
2016
2015
AVG AVG nmme cfs
38 Lewes DW2778 Sussex
99
na
na
na
na
D2778
map
zone
digital
CWOP/APRSWX
35
 38.78694
-75.15417
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
AVG AVG nmme cfs
39 Lewes Sussex
47
na
na
na
na
LWSD1
map
zone
digital
NOS-NWLON
0
 38.78167
-75.12000
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
AVG AVG nmme cfs
40 KB1EJH13 Lincoln Sussex Count
99
na
na
na
na
AU865
map
zone
digital
CWOP/APRSWX
36
 38.82917
-75.32500
2019
2018
2017
2016
2015
AVG AVG nmme cfs
41 Little Assawoman Bay B Sussex
98
na
na
na
na
DE009
map
zone
digital
DEOS
6
 38.53889
-75.05417
2019
2018
2017
2016
2015
2014
2013
2012
AVG AVG nmme cfs
42 Little Assawoman Bay B Sussex
97
na
na
na
na
DE010
map
zone
digital
DEOS
1
 38.54639
-75.06250
2019
2018
2017
2016
2015
2014
2013
2012
AVG AVG nmme cfs
43 Manticoke Rvr Seaford Sussex Count
99
na
na
na
na
DE028
map
zone
digital
DEOS
43
 38.65250
-75.70333
2019
2018
2017
AVG
-
nmme
-
44 Marshyhope Cr Greenwoo Kent
96
na
na
na
na
DE023
map
zone
digital
DEOS
43
 38.83139
-75.67556
2019
2018
2017
2016
2015
2014
2013
2012
AVG AVG nmme cfs
45 MillsboroLong Neck Sussex Count
94
na
na
na
na
DE048
map
zone
digital
DEOS
10
 38.61583
-75.11806
2019
2018
2017
2016
2015
AVG AVG nmme cfs
46 Mispillion Rvr Milford Kent
95
na
na
na
na
DE016
map
zone
digital
DEOS
37
 38.88167
-75.43972
2019
2018
2017
2016
2015
2014
2013
2012
AVG AVG nmme cfs
47 Murderkill Rvr Harring Kent
98
na
na
na
na
DE025
map
zone
digital
DEOS
59
 38.91111
-75.57667
2019
2018
2017
2016
2015
2014
2013
2012
AVG AVG nmme cfs
48 Naamans Creek Claymont Chester Coun
97
na
na
na
na
DE038
map
zone
digital
DEOS
102
 39.80917
-75.45556
2019
2018
2017
2016
2015
2014
AVG AVG nmme cfs
49 Nanticoke Rvr Brdgvill Sussex
99
na
na
na
na
DE008
map
zone
digital
DEOS
37
 38.72056
-75.58833
2019
2018
2017
2016
2015
2014
2013
2012
AVG AVG nmme cfs
50 NarkWhite Clay Cr Chester Coun
89
na
na
na
na
DE039
map
zone
digital
DEOS
279
 39.72917
-75.73083
2019
2018
2017
2016
2015
2014
AVG AVG nmme cfs
51 Newark WB3CVN New Castle
23
na
na
na
na
AR962
map
zone
digital
CWOP/APRSWX
70
 39.61528
-75.70917
2019
2018
2016
2015
2014
2013
2012
2011
2010
2009
2007
AVG AVG nmme cfs
52 PRIME HOOK Sussex
94
na
na
na
na
PRID1
map
zone
digital
RAWS
15
 38.82972
-75.24806
2019
2018
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
53 Red Clay Cr Hockessin Chester
93
na
na
na
na
DE000
map
zone
digital
DEOS
294
 39.78667
-75.64667
2019
2018
2017
2016
2015
2014
2013
2012
AVG AVG nmme cfs
54 Red Clay Cr Wilmington Chester Coun
97
na
na
na
na
DE035
map
zone
digital
DEOS
128
 39.73806
-75.62806
2019
2018
2017
2016
2015
2014
AVG AVG nmme cfs
55 REDDEN Sussex
96
na
na
na
na
REDD1
map
zone
digital
RAWS
50
 38.74167
-75.41528
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
56 Reedy Point New Castle
10
na
na
na
na
RDYD1
map
zone
digital
NOS-NWLON
0
 39.55806
-75.57306
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
AVG AVG nmme cfs
57 Rehoboth Bay Milton Sussex
98
na
na
na
na
DE015
map
zone
digital
DEOS
33
 38.67833
-75.24639
2019
2018
2017
2016
2015
2014
2013
2012
AVG AVG nmme cfs
58 Rehoboth Beach Sussex
98
na
na
na
na
DE021
map
zone
digital
DEOS
8
 38.72056
-75.07667
2019
2018
2017
2016
2015
2014
2013
2012
AVG AVG nmme cfs
59 Rt 113 & Rt 16Ellenda Sussex Count
98
na
na
na
na
DEL07
map
zone
digital
DEDOT
50
 38.80639
-75.43917
2019
2018
2017
AVG
-
nmme
-
60 Sassafras Rvr Townsend New Castle
97
na
na
na
na
DE007
map
zone
digital
DEOS
69
 39.39083
-75.74806
2019
2018
2017
2016
2015
2014
2013
2012
AVG AVG nmme cfs
61 Seaford DW3923 Sussex
94
na
na
na
na
D3923
map
zone
digital
CWOP/APRSWX
33
 38.66278
-75.56528
2019
2018
2017
2016
2015
2014
2013
2012
AVG AVG nmme cfs
62 Shellpot Cr Wilmington Chester
88
na
na
na
na
DE005
map
zone
digital
DEOS
10
 39.73278
-75.51833
2019
2018
2017
2016
2015
2014
2013
2012
AVG AVG nmme cfs
63 Shellpot Cr Wilmington Chester Coun
96
na
na
na
na
DE036
map
zone
digital
DEOS
240
 39.77528
-75.52778
2019
2018
2017
2016
2015
2014
AVG AVG nmme cfs
64 Smyrna River Smyrna Kent
99
na
na
na
na
DE022
map
zone
digital
DEOS
23
 39.27667
-75.58056
2019
2018
2017
2016
2015
2014
2013
2012
AVG AVG nmme cfs
65 SR 1 & Rt 16 Milton Sussex Count
97
na
na
na
na
DEL02
map
zone
digital
DEDOT
14
 38.80417
-75.27222
2019
2018
2017
AVG
-
nmme
-
66 SR 202 & Naamans RdWi Chester Coun
89
na
na
na
na
DEL05
map
zone
digital
DEDOT
405
 39.82861
-75.54500
2019
2018
2017
AVG
-
nmme
-
67 SR 7 & Val RdHockessi Chester Coun
80
na
na
na
na
DEL10
map
zone
digital
DEDOT
270
 39.77472
-75.71556
2019
2018
2017
AVG
-
nmme
-
68 St Jones River Dover Kent
88
na
na
na
na
DE026
map
zone
digital
DEOS
52
 39.16944
-75.59278
2019
2018
2017
2016
2015
2014
2013
2012
AVG AVG nmme cfs
69 St Jones Rvr Kitts Hu Kent County
91
na
na
na
na
DE030
map
zone
digital
DEOS
8
 39.08806
-75.43722
2019
2018
2017
2016
2015
2014
AVG AVG nmme cfs
70 US 1 @ Appoquinimink R New Castle C
95
na
na
na
na
DEL13
map
zone
digital
DEDOT
7
 39.44139
-75.66333
2019
2018
2017
AVG
-
nmme
-
71 US 13 & 14Harringt Kent County
96
na
na
na
na
DEL04
map
zone
digital
DEDOT
52
 38.92389
-75.56694
2019
2018
2017
AVG
-
nmme
-
72 US 13 & Pinetree RdMi New Castle C
79
na
na
na
na
DEL09
map
zone
digital
DEDOT
63
 39.40694
-75.66194
2019
2018
2017
AVG
-
nmme
-
73 US 13 @ Murderkill Rvr Kent County
76
na
na
na
na
DEL12
map
zone
digital
DEDOT
46
 38.97583
-75.56694
2019
2018
2017
AVG
-
nmme
-
74 US 40 & SR 896Nark New Castle C
87
na
na
na
na
DEL06
map
zone
digital
DEDOT
72
 39.60556
-75.74194
2019
2018
2017
AVG
-
nmme
-
75 White Clay Cr Nark New Castle
98
na
na
na
na
DE004
map
zone
digital
DEOS
109
 39.66944
-75.75028
2019
2018
2017
2016
2015
2014
2013
2012
AVG AVG nmme cfs
76 Wicomico River Delmar Sussex
99
na
na
na
na
DE029
map
zone
digital
DEOS
59
 38.46500
-75.45056
2019
2018
2017
2016
2015
2014
2013
2012
AVG AVG nmme cfs
77 Wilmington N Castle Co New Castle
89
na
na
na
na
KILG
map
zone
digital
METAR
72
 39.67417
-75.60556
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs

[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. 2, 2019
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.