SHERIDAN, WYOMING
NORMALS, MEANS, AND EXTREMES

LATITUDE: 44 Deg. 46 Min. N LONGITUDE: 106 Deg. 58 Min. W ELEVATION: FT. GRND 3964 BARO 3946 TIME ZONE: MOUNTAIN WBAN: 24029

(a)
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
YEAR
TEMPERATURE (Deg. F)
Normals
-Daily Maximum
-Daily Minimum
-Monthly
Extremes
-Record Highest
-Year
-Record Lowest
-Year






55

55



33.0
8.5
20.8

7
1974
-35
1963


38.3
14.5
26.4

76
1982
-32
1989


46.2
21.5
33.9

77
1994
-23
1965


57.1
30.4
43.8

87
1946
-2
1975


66.3
39.0
52.7

95
1960
13
1954


76.9
47.3
62.1

105
1988
27
1951


86.1
53.0
69.6

106
1989
35
1971


85.2
51.7
68.4

106
1983
33
1993


72.8
41.4
57.1

103
1983
6
1984


61.7
31.7
46.7

92
1992
-9
1991


45.3
19.7
32.5

79
1975
-25
1959


35.0
10.2
22.6

72
1981
-37
1983


58.7
30.7
44.7

106
JUL 1989
-37
DEC 1983
NORMAL DEGREE DAYS
Heating (base 65 Deg. F)
Cooling (base 65 Deg. F)




1370
0

1081
0

964
0

636
0

381
0

156
69

28
170

63
168

269
32

567
0

975
0

1314
0

7804
439
% OF POSSIBLE SUNSHINE
54
56
60
62
60
60
65
75
75
68
62
53
55
63
MEAN SKY COVER(tenths)
Sunrise - Sunset
MEAN NUMBER OF DAYS:
Sunrise to Sunset
-Clear
-Partly Cloudy
-Cloudy
Precipitation
.01 inches or more
Snow, Ice Pellets, Hail
1.0 inches or more
Thunderstorms
Heavy Fog Visibility
1/4 mile or less
Temperature Deg. F
-Maximum
90 Deg. F and above
32 Deg. F and below
-Minimum
32 Deg. F and below
0 Deg. F and below

52


55
55
55

55

52
55

55


31
31

31
31

6.9


5.8
7.8
17.4

8.7

3.6
0.0

0.8


0.0
13.0

30.3
9.1

6.9


5.2
7.7
15.4

8.6

3.7
0.*

0.9


0.0
8.2

27.0
4.6

7.0


4.7
9.5
16.9

10.7

4.3
0.*

0.7


0.0
4.3

27.0
1.4

6.8


5.3
9.1
15.6

10.9

2.9
0.8

0.4


0.0
0.7

18.1
0.*

6.6


5.6
10.5
14.9

11.7

0.5
4.7

0.3


0.3
0.0

5.0
0.0

5.7


7.7
11.6
10.6

10.9

0.*
9.1

0.3


2.9
0.0

0.2
0.0

4.4


13.3
12.2
5.6

7.6

0.0
9.6

0.1


10.1
0.0

0.0
0.0

4.4


13.5
11.0
6.5

6.4

0.0
7.1

0.1


11.2
0.0

0.0
0.0

5.0


11.6
9.1
9.3

7.3

0.4
2.6

0.2


2.4
0.*

3.4
0.0

5.7


9.9
8.6
12.5

7.4

1.3
0.3

0.5


0.*
0.5

16.2
0.1

6.7


5.9
8.1
16.0

8.0

3.0
0.*

0.7


0.0
5.3

27.5
2.0

6.7


6.5
7.9
16.6

8.7

3.8
0.0

0.7


0.0
12.0

30.2
6.8

6.1


95.0
113.0
157.2

106.8

23.4
34.3

5.7


26.8
44.1

184.9
24.1
AV. STATION PRES. (mb)
7
877.8
877.5
874.8
876.2
876.7
877.9
880.1
879.6
880.5
880.0
879.0
877.2
878.1
RELATIVE HUMIDITY (%)
Hour 04
Hour 10 (Local Time)
Hour 16
Hour 22

31
31
31
27

70
62
64
70

71
60
59
71

74
53
50
70

74
49
44
67

77
48
46
70

78
46
45
71

73
38
35
62

68
35
31
57

71
41
37
63

70
47
46
67

73
57
62
72

71
61
65
71

73
50
49
68
PRECIPITATION (in.)
Water Equivalent
-Normal
-Maximum Monthly
-Year
-Minimum Monthly
-Year
-Maximum in 24 hrs
-Year
Snow, Ice Pellets, Hail
-Maximum Monthly
-Year
-Maximum in 24 hrs
-Year



55

55

55


55

55



0.73
1.86
1994
0.07
1983
1.01
1972

32.8
1994
13.5
1972


0.64
2.68
1955
0.05
1992
1.10
1955

35.0
1955
11.2
1990


0.97
3.26
1946
0.14
1978
2.25
1946

36.8
1954
13.3
1946


1.72
4.80
1963
0.18
1980
3.84
1948

39.6
1955
26.7
1955


2.39
6.80
1978
0.30
1958
2.04
1956

12.5
1979
10.9
1979


2.25
9.54
1944
0.28
1971
3.44
1944

4.0
1969
4.0
1969


0.88
3.78
1958
0.07
1988
2.28
1948

T
1995
T
1995


0.82
3.02
1968
T
1970
1.71
1943

0.0

0.0



1.37
3.08
1951
0.06
1964
1.57
1982

21.0
1984
12.9
1984


1.18
3.41
1994
0.02
1965
1.91
1974

17.5
1989
14.0
1989


0.83
2.41
1991
0.10
1981
1.10
1991

25.8
1964
12.0
1942


0.70
2.41
1989
0.10
1986
0.86
1980

43.5
1989
13.3
1989


14.48
9.54
JUN 1944
T
AUG 1970
3.84
APR 1948

43.5
DEC 1989
26.7
APR 1955
WIND
Mean Speed (mph)
Prevailing Direction
through 1964
Fastest Mile
-Direction(!!)
-Speed(mph)
-Year
Peak Gust
-Direction(!!)
-Speed(mph)
-Date

52



10



12
12


7.7

NW

30
53
1990

NW
71
1988

7.8

NW

24
45
1988

SW
69
1988

9.0

NW

29
46
1990

SW
68
1988

9.8

NW

29
43
1992

NW
69
1987

9.0

NW

31
46
1990

NW
63
1989

8.1

NW

29
40
1992

N
54
1992

7.3

NW


37
1992

NW
59
1985

7.4

NW

30
40
1994

W
58
1994

7.5

NW

31
46
1992

NW
67
1992

7.5

NW

29
46
1985

W
64
1985

7.7

NW

30
44
1985

SW
73
1994

7.6

NW

30
46
1988

SW
69
1987

8.0

NW

30
53
JAN 1990

SW
73
NOV 1994
(a) - Length of Record in Years, although individual months may be missing.
0.* or * - The value is between 0.0 and 0.05.
Normals - Based on the 1961 - 1990 record period.
Extremes - Dates are the most recent occurrence.
Wind Dir.- Numerals show tens of degrees clockwise from true north. "00" indicates calm.
Resultant Directions are given to whole degrees.