LANDER, WYONING
NORMALS, MEANS, AND EXTREMES

LATITUDE: 42 Deg. 49 Min. N LONGITUDE: 108 Deg. 44 Min. W ELEVATION: FT. GRND 5557 BARO 5562 TIME ZONE: MOUNTAIN WBAN: 24021

(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






49

49



31.2
7.8
19.5

63
1971
-37
1963


37.1
13.6
25.4

68
1951
-28
1949


45.7
22.1
33.9

76
1966
-16
1960


55.8
30.7
43.3

82
1992
-2
1973


66.0
39.9
53.0

91
1954
18
1954


77.4
48.8
63.1

100
1954
25
1951


86.1
55.9
71.0

101
1954
39
1993


83.9
53.8
68.9

101
1979
35
1962


72.3
44.2
58.3

94
1995
10
1965


59.8
33.7
46.8

85
1963
-3
1991


42.5
19.9
31.2

70
1988
-18
1985


32.1
9.4
20.8

64
1980
-37
1983


57.5
31.7
44.6

101
AUG 1979
-37
DEC 1983
NORMAL DEGREE DAYS
Heating (base 65 Deg. F)
Cooling (base 65 Deg. F)




1411
0

1109
0

964
0

651
0

376
0

137
80

9
195

38
159

246
45

564
0

1014
0

1370
0

7889
479
% OF POSSIBLE SUNSHINE
49
65
68
70
66
64
72
75
75
72
67
58
61
68
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

49


4
4
49

4

49
49

49


49
49

49
49

6.1


7.9
9.9
13.2

4.5

2.5
0.0

1.0


0.0
15.2

30.6
8.0

6.1


7.0
9.6
11.7

5.3

2.9
0.0

0.8


0.0
8.9

27.7
4.2

6.3


7.0
9.9
14.1

7.6

4.2
0.2

0.2


0.0
4.1

28.1
1.2

6.3


5.9
10.1
14.0

8.3

4.2
1.1

0.3


0.0
0.6

17.9
0.*

6.4


6.3
10.7
13.8

9.1

1.4
4.7

0.1


0.1
0.1

4.7
0.0

5.1


10.4
10.8
8.9

6.4

0.2
7.2

0.1


2.5
0.0

0.3
0.0

4.3


13.7
11.5
5.8

6.1

0.0
9.5

0.0


10.1
0.0

0.0
0.0

4.3


13.2
11.8
6.0

4.7

0.0
7.4

O.*


6.8
0.0

0.0
0.0

4.4


13.6
8.7
7.7

5.4

0.7
3.0

0.2


0.8
0.1

2.7
0.0

5.0


11.6
9.3
10.1

5.1

2.1
0.4

0.2


0.0
0.6

13.7
0.1

6.0


7.7
9.9
12.5

5.3

3.3
O.*

0.7


0.0
6.7

27.6
1.9

5.6


9.6
9.6
11.8

4.6

2.7
0.0

0.8


0.0
13.8

30.6
5.1

5.5


113.9
121.7
129.4

72.4

24.1
33.5

4.4


20.3
50.1

183.9
20.4
AV. STATION PRES. (mb)
23
827.8
827.5
825.3
826.4
827.2
829.1
831.5
831.5
831.2
830.3
828.1
827.9
828.7
RELATIVE HUMIDITY (%)
Hour 04
Hour 10 (Local Time)
Hour 16
Hour 22

49
49
49
49

68
60
60
67

68
57
54
65

67
50
46
60

66
45
40
58

67
44
38
56

62
40
32
50

55
34
27
44

54
33
26
42

59
38
32
49

63
45
41
57

69
57
57
66

68
60
62
67

64
47
43
57
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



49

49

49


49

49



0.48
1.65
1949
T
1952
0.81
1963

26.5
1962
13.8
1980


0.57
2.18
1955
T
1970
0.89
1987

43.8
1955
21.0
1987


1.15
3.30
1977
0.35
1960
1.28
1977

52.0
1977
20.3
1973


2.08
5.46
1957
0.21
1992
2.16
1971

66.0
1973
21.9
1967


2.32
6.03
1957
0.07
1994
2.75
1964

33.9
1975
20.8
1975


1.46
6.88
1947
T
1971
3.56
1947

18.4
1947
18.4
1947


0.81
2.50
1977
0.05
1963
2.13
1977

T
1995
T
1995


0.53
2.30
1979
T
1970
1.08
1979

T
1992
T
1992


1.10
4.68
1973
0.01
1992
2.21
1973

32.9
1982
16.9
1982


1.13
4.90
1994
T
1988
1.87
1994

39.9
1971
19.4
1966


0.80
3.37
1983
0.01
1949
1.38
1983

48.7
1983
23.1
1958


0.58
1.62
1985
0.03
1954
1.25
1985

28.0
1985
20.5
1985


13.01
6.88
JUN 1947
T
OCT 1988
3.56
JUN 1947

66.0
APR 1973
23.1
NOV 1958
WIND
Mean Speed (mph)
Prevailing Direction
through 1964
Fastest Mile
-Direction(!!)
-Speed(mph)
-Year
Peak Gust
-Direction(!!)
-Speed(mph)
-Date

49



6



12
12


5.9

SW

25
30
1993

SW
86
1989

5.9

SW

27
35
1995

W
69
1995

7.0

SW

24
46
1991

SW
63
1991

7.8

SW

19
30
1994

SW
63
1987

7.8

SW

18
40
1992

S
67
1986

7.8

SW

SW
42
1989

SW
63
1986

7.5

SW

25
38
1995

W
66
1985

7.4

SW

18
39
1992

SW
67
1988

6.9

SW

21
37
1995

SW
64
1988

6.0

SW

30
30
1990

SW
53
1990

5.6

SW

29
35
1995

W
59
1989

5.6

SW

22
37
1994

NW
66
1984

6.8

SW

24
46
MAR 1991

SW
86
JAN 1989
(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.