Casper Weather in 1990

Historical record of Casper, Wyoming weather for the year 1990 based on NOAA data.
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1990 Casper Weather Extremes
Highest temperature 102 °F June 30
Lowest temperature -41 °F December 21
Highest daily low 68 °F July 6
Lowest daily high -20 °F December 20
Most daily precipitation 0.8 inches August 4
Most daily snow 7.4 inches March 6
Total annual precipitation 12.5 inches -
Total annual snow 67.1 inches -
Highest Temperatures in Casper in 1990
Rank Temperature Date
1 102 °F Jun 30
2 101 °F Jul 2
2 101 °F Jun 27
4 100 °F Jun 23
5 98 °F Jul 6
5 98 °F Jul 1
5 98 °F Jun 26
5 98 °F Jun 25
9 97 °F Jun 28
9 97 °F Jun 24
Lowest Temperatures in Casper in 1990
Rank Temperature Date
1 -41 °F December 21
2 -36 °F December 20
3 -28 °F December 22
4 -25 °F December 29
5 -24 °F December 19
6 -20 °F December 28
7 -10 °F December 23
8 -9 °F December 30
9 -7 °F December 25
9 -7 °F March 24
January 1990 Casper Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
37 26 0.00 0.0
40 24 0.03 0.4
26 8 0.09 2.1
25 12 0.00 0.0
34 17 0.00 0.0
39 25 0.00 0.0
43 28 0.00 0.0
53 25 0.00 0.0
53 27 0.00 0.0
59 31 0.00 0.0
33 14 0.00 0.0
42 7 0.00 0.0
52 32 0.00 0.0
50 25 0.00 0.0
45 22 0.00 0.0
42 14 0.00 0.0
27 12 0.03 0.4
36 10 0.00 0.0
32 5 0.00 0.0
45 10 0.00 0.0
44 26 0.00 0.0
49 21 0.00 0.0
46 16 0.05 0.4
30 10 0.00 0.0
37 15 0.00 0.0
47 18 0.07 1.1
24 0 0.00 0.0
37 17 0.00 0.0
41 15 0.00 0.0
45 18 0.00 0.0
42 17 0.00 0.0
February 1990 Casper Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
43 14 0.00 0.0
39 14 0.00 0.0
40 16 0.00 0.0
47 28 0.00 0.0
44 22 0.00 0.0
47 26 0.00 0.0
37 20 0.08 1.6
30 13 0.00 0.0
44 22 0.00 0.0
55 30 0.00 0.0
54 34 0.00 0.0
46 18 0.30 5.9
18 1 0.27 4.8
4 -6 0.04 0.4
19 -6 0.01 0.1
24 -2 0.00 0.0
33 3 0.00 0.0
34 1 0.00 0.0
34 0 0.00 0.0
42 17 0.00 0.0
46 26 0.00 0.0
46 22 0.00 0.0
52 29 0.00 0.0
52 29 0.00 0.0
56 24 0.00 0.0
39 26 0.00 0.0
31 22 0.00 0.0
46 15 0.00 0.0
March 1990 Casper Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
49 19 0.00 0.0
56 23 0.00 0.0
57 30 0.01 0.0
54 32 0.00 0.0
56 27 0.10 0.0
33 18 0.65 7.4
35 19 0.08 0.9
49 15 0.00 0.0
60 29 0.00 0.0
61 32 0.00 0.0
59 33 0.00 0.0
42 22 0.00 0.0
42 17 0.00 0.0
41 18 0.00 0.0
41 26 0.00 0.0
47 26 0.00 0.0
46 28 0.00 0.0
47 20 0.01 0.1
62 20 0.00 0.0
67 30 0.00 0.0
63 27 0.00 0.0
38 13 0.01 0.0
17 8 0.08 1.2
33 -7 0.00 0.1
43 13 0.00 0.0
59 14 0.00 0.0
51 23 0.03 0.9
35 28 0.16 1.7
41 31 0.00 0.1
55 24 0.00 0.0
63 29 0.00 0.0
April 1990 Casper Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
59 35 0.00 0.0
72 29 0.00 0.0
70 37 0.00 0.0
53 31 0.00 0.0
35 21 0.10 1.7
59 18 0.00 0.0
55 21 0.00 0.0
67 34 0.24 0.0
44 26 0.15 0.7
40 19 0.04 0.4
51 27 0.00 0.0
58 31 0.18 0.4
57 30 0.00 0.0
62 36 0.00 0.0
71 37 0.04 0.0
45 32 0.08 0.5
52 31 0.00 0.0
69 32 0.00 0.0
68 34 0.00 0.0
75 35 0.00 0.0
74 45 0.00 0.0
70 43 0.06 0.0
68 39 0.00 0.0
68 39 0.15 0.0
54 38 0.11 0.0
47 32 0.07 0.0
52 29 0.00 0.0
59 20 0.06 0.2
40 16 0.07 0.7
43 21 0.00 0.0
May 1990 Casper Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
52 19 0.00 0.0
63 26 0.00 0.0
56 32 0.03 0.0
58 33 0.10 0.0
67 34 0.00 0.0
81 41 0.00 0.0
59 39 0.02 0.0
52 30 0.05 0.5
49 26 0.01 0.1
69 20 0.00 0.0
49 33 0.21 1.9
63 32 0.01 0.0
58 30 0.26 0.0
60 29 0.05 0.0
64 34 0.00 0.0
59 28 0.00 0.0
72 28 0.00 0.0
75 38 0.00 0.0
64 37 0.19 0.0
66 37 0.00 0.0
74 39 0.00 0.0
76 42 0.00 0.0
81 44 0.00 0.0
82 40 0.00 0.0
66 41 0.00 0.0
70 32 0.00 0.0
72 42 0.02 0.0
72 44 0.06 0.0
64 45 0.07 0.0
74 42 0.01 0.0
79 47 0.00 0.0
June 1990 Casper Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
55 37 0.19 0.0
68 35 0.00 0.0
78 34 0.00 0.0
88 51 0.00 0.0
81 42 0.00 0.0
78 45 0.02 0.0
80 49 0.00 0.0
82 39 0.00 0.0
87 43 0.00 0.0
85 60 0.00 0.0
71 55 0.10 0.0
67 38 0.02 0.0
69 35 0.08 0.0
74 45 0.00 0.0
75 45 0.13 0.0
66 45 0.03 0.0
79 42 0.00 0.0
91 44 0.00 0.0
80 47 0.00 0.0
85 44 0.00 0.0
65 45 0.09 0.0
81 40 0.00 0.0
100 45 0.00 0.0
97 52 0.00 0.0
98 58 0.00 0.0
98 52 0.00 0.0
101 62 0.00 0.0
97 60 0.00 0.0
94 56 0.00 0.0
102 57 0.00 0.0
July 1990 Casper Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
98 60 0.00 0.0
101 67 0.02 0.0
90 62 0.01 0.0
86 57 0.00 0.0
91 54 0.00 0.0
98 68 0.00 0.0
83 58 0.55 0.0
77 56 0.01 0.0
87 53 0.00 0.0
87 53 0.00 0.0
82 51 0.00 0.0
79 49 0.00 0.0
89 45 0.00 0.0
86 56 0.00 0.0
89 54 0.17 0.0
94 52 0.16 0.0
93 55 0.00 0.0
91 58 0.01 0.0
87 57 0.04 0.0
62 51 0.80 0.0
65 49 0.19 0.0
75 47 0.00 0.0
85 47 0.00 0.0
86 56 0.03 0.0
87 56 0.00 0.0
86 55 0.00 0.0
83 48 0.00 0.0
80 55 0.02 0.0
78 50 0.14 0.0
81 51 0.00 0.0
90 50 0.00 0.0
August 1990 Casper Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
87 52 0.19 0.0
81 51 0.00 0.0
84 48 0.00 0.0
80 51 0.84 0.0
78 47 0.00 0.0
88 49 0.00 0.0
95 57 0.00 0.0
92 57 0.00 0.0
94 53 0.00 0.0
90 57 0.02 0.0
74 54 0.00 0.0
79 50 0.00 0.0
83 49 0.64 0.0
82 52 0.00 0.0
86 47 0.00 0.0
88 59 0.00 0.0
79 55 0.01 0.0
83 50 0.18 0.0
85 55 0.00 0.0
84 56 0.00 0.0
87 60 0.00 0.0
84 52 0.00 0.0
83 50 0.00 0.0
83 55 0.01 0.0
85 48 0.00 0.0
88 44 0.00 0.0
90 46 0.00 0.0
89 51 0.00 0.0
90 47 0.00 0.0
90 46 0.00 0.0
87 52 0.00 0.0
September 1990 Casper Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
89 50 0.00 0.0
83 51 0.00 0.0
89 62 0.00 0.0
92 53 0.03 0.0
86 55 0.00 0.0
84 52 0.00 0.0
88 49 0.00 0.0
92 54 0.00 0.0
87 49 0.00 0.0
87 51 0.00 0.0
89 46 0.00 0.0
94 44 0.00 0.0
78 46 0.00 0.0
90 37 0.00 0.0
83 50 0.00 0.0
81 50 0.00 0.0
75 55 0.00 0.0
75 43 0.00 0.0
63 52 0.38 0.0
53 38 0.11 0.0
68 37 0.00 0.0
67 38 0.00 0.0
80 34 0.00 0.0
83 48 0.00 0.0
83 47 0.00 0.0
76 47 0.00 0.0
73 37 0.00 0.0
69 37 0.00 0.0
71 34 0.00 0.0
75 43 0.00 0.0
October 1990 Casper Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
82 43 0.00 0.0
70 33 0.02 0.0
59 28 0.00 0.0
75 48 0.00 0.0
80 43 0.00 0.0
43 31 0.07 0.7
33 26 0.03 0.3
43 22 0.00 0.0
58 22 0.00 0.0
69 40 0.00 0.0
46 29 0.27 2.9
64 27 0.00 0.0
57 30 0.04 0.0
57 26 0.00 0.0
67 34 0.00 0.0
67 32 0.00 0.0
46 20 0.28 2.6
64 37 0.00 0.0
50 32 0.18 0.6
41 25 0.00 0.0
53 23 0.00 0.0
55 31 0.01 0.0
53 24 0.00 0.0
64 21 0.00 0.0
72 43 0.00 0.0
73 40 0.00 0.0
67 24 0.00 0.0
75 36 0.00 0.0
72 33 0.00 0.0
69 30 0.00 0.0
67 42 0.00 0.0
November 1990 Casper Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
58 32 0.38 2.0
32 24 0.31 3.2
34 15 0.00 0.0
43 25 0.00 0.0
39 21 0.15 2.5
24 3 0.26 3.8
27 1 0.00 0.0
41 26 0.00 0.0
50 27 0.00 0.0
57 40 0.00 0.0
60 40 0.00 0.0
63 41 0.00 0.0
64 38 0.00 0.0
64 45 0.00 0.0
50 21 0.00 0.0
55 17 0.00 0.0
53 34 0.00 0.0
54 31 0.00 0.0
52 39 0.00 0.0
59 33 0.00 0.0
39 20 0.00 0.0
49 31 0.00 0.0
54 33 0.00 0.0
58 41 0.00 0.0
60 40 0.00 0.0
46 9 0.17 2.3
27 9 0.00 0.0
29 7 0.00 0.0
41 23 0.00 0.0
47 21 0.00 0.0
December 1990 Casper Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
34 20 0.00 0.0
27 7 0.08 1.5
33 6 0.00 0.0
46 28 0.00 0.0
41 15 0.00 0.0
35 13 0.00 0.0
46 28 0.00 0.0
50 32 0.00 0.0
54 35 0.00 0.0
60 38 0.00 0.0
56 33 0.00 0.0
33 13 0.04 0.4
42 12 0.00 0.0
28 10 0.22 2.6
29 13 0.00 0.0
37 5 0.00 0.0
31 3 0.00 0.0
34 -5 0.08 0.8
-5 -24 0.11 2.5
-20 -36 0.07 1.4
-18 -41 0.00 0.1
-7 -28 0.00 0.0
5 -10 0.00 0.0
18 5 0.00 0.0
19 -7 0.00 0.0
20 5 0.00 0.0
28 15 0.00 0.0
27 -20 0.01 0.2
-7 -25 0.00 0.0
21 -9 0.00 0.0
34 17 0.00 0.0
Weather Station Details
Years Station Coordinates
1949–2023 Casper-Natrona County International Airport location
1900–1948 Casper 2 E location