Arctic high pressure will usher in well below normal temperatures across the northern High Plains. Lake effect snow will drop up to a foot of snow downwind of Lake Ontario today. Two winter storms will begin to bring snow and a wintry mix to the Central Plains and the Mid-Atlantic by mid-day Tuesday. Heavy rain will create mainly localized areas of flash flooding in the Mid-South on Tuesday. Read More >
...Highlights of 2017...
Rank: 78 years of record (P.O.R 12/1939-2017) Daily Records: Record Low Temperatures:
Rank - One Day Precipitation Records: January: 0.17" on the 23rd.
One Day Snowfall Records (inches):
Temperature
Wind
Precipitation
Snowfall
Element
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Year
Average High
29.5
42.4
53.7
56.0
66.4
80.6
92.1
84.8
72.7
57.6
51.3
33.0
60.0
Mean High (1981-2010 Normals)
35.2
37.8
47.9
56.8
67.1
78.8
88.1
86.4
74.3
59.4
44.7
34.2
59.3
Average Low
11.7
20.0
29.8
29.9
37.6
45.3
54.0
49.9
41.7
29.8
25.5
12.1
32.3
Mean Low (1981-2010 Normals)
14.3
15.7
22.4
28.6
37.2
45.7
53.0
51.5
41.4
31.0
21.6
13.5
31.4
Average Temperature
20.6
31.2
41.8
43.0
52.0
62.9
73.1
67.3
57.2
43.7
38.4
22.5
46.1
Mean Average Temperature (1981-2010 Normals)
24.7
26.7
35.2
42.7
52.2
62.2
70.5
69.0
57.9
45.2
33.2
23.8
45.4
Departure from Normal
-4.1
4.5
6.6
0.3
-0.2
0.7
2.6
-1.7
-0.7
-1.5
5.2
-1.3
0.7
20
61
76
39
36
43
63
19
29
10
64
18
50
Highest Daily Maximum
42
61
75
79
85
94
98
93
95
74
67
57
98
Date of Occurrence
9, 31
10
18
13
6
20,21
5,14
4,29
3
17,19
26
3
7/5,14
Lowest Daily Minimum
-28
-12
8
19
28
33
41
44
30
9
10
-18
-28
Date of Occurrence
5
2,3
1
10
20
13
1
4,7,22
27
31
12
31
1/5
Number of Days with:
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Maximum >= 90°
0
0
0
0
0
3
24
10
4
0
0
0
41
Maximum <= 32°
13
7
1
0
0
0
0
0
0
0
1
12
34
Minimum <= 32°
30
20
17
22
6
0
0
0
2
18
24
30
169
Minimum <= 0°
5
2
0
0
0
0
0
0
0
0
0
8
15
Record Maximum Highs Set or Tied
0
1
1
0
0
0
0
0
2
0
2
0
6
Record Minimum Highs Set or Tied
0
0
0
0
0
0
0
1
0
0
0
2
3
Record Minimum Lows Set or Tied
1
0
0
0
0
0
0
0
0
0
0
2
3
Record Maximum Lows Set or Tied
0
1
0
1
0
1
0
1
0
0
2
0
6
* Multiple day occurrence
Temperature Ranks and Records:
Record High Temperatures:
February: 61 on the 10th.
March 75* on the 18th.
(* also a record high so early in the season). September: 95 on the 3rd, 91 on the 9th (tie)
November: 67* on the 26th, 66* on the 27th.
(* also a record high so early in the season). .Record Low Maximum Temperatures:
August: 71 on the 6th.
December: 7 on the 25th (tie), 3 on the 26th.
January: -28 on the 5th.
June: 37 on on the 24th.
December: -17 on the 26th -13 on the 27th.
Record High Minimum Temperatures:
February: 42 on the 10th. (Ties the record high minimum of for the month of February - 42 set on 2/10/1951)
April: 43 on the 7th.
August: 64 on the 24th (tie).
November: 39 on the 22nd, 42 on the 23rd.
Warmest Months of March on Record
Rank
Year
Average Temperature °F
1
2012
44.1
2
1986
42.8
3
2017
41.8
4
1994
41.5
5
1992
40.7
6
2007
40.6
7
2015
39.9
8
1946
39.4
Top Ten Warmest Years on Record
Rank
Year
Average Temperature °F
1
1994
49.1
2
2012
48.7
3
1954
48.3
4
1981
48.1
5
1992
48.0
6
1940, 1953, 1963
47.3
9
2015, 2006, 1999
47.1
29
2017
46.1
Top Ten Coldest Years on Record
Rank
Year
Average Temperature °F
1
1985
42.5
2
1951
43.1
3
1978
43.2
4
1964
43.5
5
1975
43.6
6
2009, 1979, 1968, 1949
43.8
10
1971
43.9
50
2017
46.1
Average Annual Temperature for Period of Record - Click on Graph to Enlarge
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Element
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Year
Average Speed (MPH)
15.7
16.7
14.4
11.2
9.2
10.2
8.3
8.4
9.3
13.1
14.0
13.3
12.0
Maximum 3-sec Gust
61
62
65
56
49
65
58
56
47
54
58
51
65
Direction
210
230
210
250
270
290
10
270
230
250
210
230
210, 290
Date of Occurrence
7
21
5
23
24
27
9
20
20
7,20
29
3
3/5, 6/27
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Element
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Year
Total (inches)
0.54
0.81
1.79
2.21
2.25
1.01
0.37
0.94
1.42
1.08
0.31
1.37
14.10
Mean Precipitation
(1981-2010 Normals)0.51
0.57
0.82
1.29
2.02
1.61
1.41
0.85
1.08
1.11
0.76
0.49
12.52
Departure from Normal
0.03
0.24
0.97
0.92
0.23
-0.60
-1.04
0.09
0.34
-0.03
-0.45
0.88
1.58
Percent of Normal
102
142
218
171
111
63
26
111
131
97
41
280
113
78 years (P.O.R 12/1939-2017)48
66
74
67
48
36
10
57
63
49
15
77
61
Greatest 24-HR Total
0.21
0.47
1.08
0.48
1.06
0.40
0.25
0.36
0.47
0.49
0.12
0.35
1.08
Dates of Occurrence
23-24
22-23
31
21
18
11
29
15
15
8
17
21
3/31
Number of Days with:
Precipitation >= 0.01
8
5
12
14
11
7
7
8
9
7
5
11
104
Precipitation >= 0.10
3
2
4
8
7
3
1
4
4
4
1
6
47
Precipitation >= 1.00
0
0
1
0
1
0
0
0
0
0
0
0
2
Days with Thunderstorms
0
1
2
0
6
7
5
10
1
0
0
0
32
Daily Precipitation Records Set or Tied
1
2
0
0
0
0
0
1
1
1
0
2
8
Precipitation Ranks and Records:
February: 0.31" on the 7th, 0.40" on the 23rd.
August: 0.19" on the 5th.
September: 0.47" on the 15th.
October: 0.49" on the 8th.
December: 0.25" on the 4th, 0.35" on the 21st.
Wettest Months of March on Record
Rank
Year
Precipitation (inches)
1
1954
2.43
2
1983
2.29
3
1958
2.27
4
1975
2.01
5
2017
1.79
6
2014
1.64
7
1984
1.59
8
2010
1.57
9
1952
1.56
Wettest Springs (March, April, May) on Record
Rank
Year
Precipitation (inches)
1
1971
10.16
2
1995
8.47
3
1978
8.44
4
1941
8.39
5
2016
8.00
6
1957
7.21
7
1975
6.86
8
1991
6.62
9
2017
6.25
10
2008
6.22
Wettest Months of December on Record
Rank
Year
Precipitation (inches)
1
1982
3.71
2
2017
1.37
3
2010
1.36
4
2016
1.31
5
2014
1.25
6
2013, 1978
1.20
8
2015
1.06
9
1985
1.05
10
1955
1.04
Driest Months of July on Record
Rank
Year
Precipitation (inches)
1
1991
0.09
2
1971
0.11
3
2000
0.22
4
2016, 1999
0.24
6
1959, 1955
0.27
8
1989
0.28
9
1943
0.29
10
2017, 1942
0.37
Top Ten Driest Years on Record
Rank
Year
Precipitation (inches)
1
1988
6.56
2
2001
6.76
3
2002
7.05
4
1960
7.34
5
1954
7.70
6
2012
7.88
7
1963
7.90
8
1966
8.14
9
1943
8.91
10
1999, 1956
8.93
61
2017
14.10
Top Ten Wettest Years on Record
Rank
Year
Precipitation (inches)
1
1982
20.48
2
1995
18.94
3
1983
18.41
4
1978
17.64
5
1941
16.24
6
1957
16.12
7
1986
15.92
8
1993
15.91
9
2009
15.77
10
2016
15.57
18
2017
14.10
.png "Click to enlarge")
.png "Click to enlarge")
Annual Precipitation for Period of Record - Click on Graph to Enlarge
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Element
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Year
Total (inches)
13.8
14.3
6.5
5.8
2.9
0.0
0.0
0.0
T
5.6
3.6
19.4
71.9
Mean Snowfall (1981-2010 Normals)
9.1
9.8
10.9
11.6
2.9
0.1
0.0
0.0
1.8
7.4
10.3
11.0
74.9
Departure from Normal
4.7
4.5
-4.4
-5.8
0.0
-0.1
0.0
0.0
-1.8
-1.8
-6.7
8.4
-3.0
Percent of Normal
152
146
60
50
100
0
0
0
0
76
35
176
96
Rank - Least to Most
78 years (P.O.R 12/1939-2017) 63
65
16
25
50
NA
NA
NA
50*
45
14
74
39
Greatest 24-HR Total
4.7
9.0
4.1
2.4
2.8
0.0
0.0
0.0
T
3.6
1.4
6.0
9.0
Dates of Occurrence
24
23
31
28
18
NA
NA
NA
24
8
2
21
2/23
Number of Days with:
Snowfall >= 1.0 inch
4
2
2
3
1
0
0
0
0
0
2
5
17
Daily Snowfall Records Set or Tied
2
1
0
0
0
0
0
0
0
0
0
2
5
* 49 months of September on record with no snowfall.
Snowfall Ranks and Records:
January: 3.4 on the 23rd, 4.7 on the 24th.
February: 4.0 on the 7th.
December: 4.8" on the 4th, 6.0" on the 21st.
Snowiest Months of December on Record
Rank
Year
Snowfall (inches)
1
1982
62.8
2
1978
25.7
3
1997
23.8
4
2016
22.2
5
2009
19.5
6
2017
19.4
7
2014, 1967
17.8
9
2015, 1977
16.8
Top Ten Snowiest Years on Record
Rank
Year
Snowfall (inches)
1
1982
137.6
2
1975
124.0
3
1984
121.2
4
1973
118.3
5
1983
114.2
6
1978
112.7
7
2013
107.5
8
1955
103.3
9
1979
103.0
10
1985
101.0
40
2017
71.9
.png "Click to enlarge")
.png "Click to enlarge")
.png "Click to enlarge")
Annual and Seasonal Snowfall for Period of Record - Click on Graph to Enlarge
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