Casper Weather in 2003

Historical record of Casper, Wyoming weather for the year 2003 based on NOAA data.
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2003 Casper Weather Extremes
Highest temperature 100 °F July 24
Lowest temperature -30 °F February 24
Highest daily low 70 °F August 8
Lowest daily high 2 °F February 23
Most daily precipitation 2.1 inches June 16
Most daily snow 14.5 inches October 30
Total annual precipitation 13.1 inches -
Total annual snow 76.3 inches -
Highest Temperatures in Casper in 2003
Rank Temperature Date
1 100 °F Jul 24
1 100 °F Jul 16
1 100 °F Jul 13
4 99 °F Aug 14
4 99 °F Jul 23
4 99 °F Jul 17
7 98 °F Aug 13
7 98 °F Aug 12
7 98 °F Aug 11
7 98 °F Jul 15
Lowest Temperatures in Casper in 2003
Rank Temperature Date
1 -30 °F February 24
2 -21 °F February 23
3 -9 °F November 5
4 -8 °F February 26
5 -7 °F February 25
6 -5 °F November 23
6 -5 °F February 6
8 -4 °F November 6
9 -2 °F November 22
10 -1 °F January 10
January 2003 Casper Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
42 21 0.00 0.0
43 24 0.00 0.0
49 23 0.00 0.0
47 25 0.00 0.0
43 28 0.07 0.0
41 24 0.00 0.0
48 34 0.00 0.0
48 19 0.00 0.0
32 2 0.00 0.0
28 -1 0.00 0.0
39 8 0.00 0.0
44 21 0.00 0.0
49 18 0.00 0.0
46 20 0.00 0.0
40 10 0.00 0.1
36 16 0.00 0.0
39 10 0.00 0.0
45 14 0.00 0.0
47 30 0.00 0.0
54 29 0.00 0.0
32 8 0.00 0.0
19 2 0.00 0.0
48 12 0.00 0.0
46 17 0.00 0.0
51 15 0.00 0.0
48 31 0.00 0.0
56 33 0.00 0.0
42 23 0.03 0.3
48 13 0.00 0.0
55 21 0.00 0.0
57 25 0.00 0.0
February 2003 Casper Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
61 34 0.00 0.0
34 20 0.30 5.5
27 8 0.00 0.0
26 13 0.01 0.2
24 7 0.00 0.1
12 -5 0.01 0.4
23 0 0.00 0.0
20 16 0.01 0.2
25 10 0.00 0.0
33 15 0.00 0.0
35 16 0.00 0.0
42 18 0.00 0.0
47 17 0.00 0.0
39 29 0.02 0.4
38 27 0.05 0.6
45 33 0.00 0.0
44 22 0.00 0.0
42 16 0.00 0.0
44 18 0.00 0.0
43 23 0.00 0.0
48 23 0.00 0.0
38 2 0.08 1.0
2 -21 0.00 0.5
10 -30 0.00 0.0
25 -7 0.00 0.0
34 -8 0.00 0.0
34 8 0.03 0.3
37 8 0.00 0.0
March 2003 Casper Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
28 16 0.01 0.5
40 15 0.00 0.0
44 11 0.00 0.0
22 8 0.01 0.4
36 5 0.00 0.0
46 16 0.00 0.0
51 13 0.00 0.0
52 6 0.00 0.0
57 12 0.00 0.0
55 30 0.00 0.0
56 34 0.00 0.0
61 37 0.00 0.0
69 34 0.00 0.0
71 41 0.00 0.0
65 31 0.00 0.0
59 41 0.00 0.0
41 30 0.16 1.3
30 27 0.30 10.0
32 23 0.07 2.0
35 16 0.00 0.0
45 30 0.00 0.0
53 29 0.00 0.0
61 34 0.00 0.0
49 25 0.00 0.0
55 24 0.00 0.0
44 32 0.30 2.0
32 11 0.11 3.0
28 6 0.01 0.2
37 14 0.00 0.0
56 27 0.00 0.0
65 38 0.00 0.0
April 2003 Casper Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
71 39 0.00 0.0
67 24 0.00 0.0
49 28 0.00 0.0
45 20 0.00 0.0
47 14 0.00 0.0
37 26 0.55 5.5
38 25 0.11 1.5
59 19 0.00 0.0
71 36 0.00 0.0
66 30 0.00 0.0
74 28 0.00 0.0
73 32 0.00 0.0
75 42 0.00 0.0
74 41 0.00 0.0
67 31 0.00 0.0
57 34 0.00 0.0
62 24 0.00 0.0
57 32 0.11 0.0
46 34 0.01 0.0
58 32 0.00 0.0
68 24 0.00 0.0
58 38 0.00 0.0
48 35 0.39 0.0
56 43 0.16 0.0
70 40 0.00 0.0
68 35 0.00 0.0
59 26 0.00 0.0
61 36 0.00 0.0
61 39 0.00 0.0
47 34 0.21 0.0
May 2003 Casper Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
49 33 0.04 0.0
63 31 0.00 0.0
69 39 0.00 0.0
64 37 0.00 0.0
55 32 0.08 0.0
59 30 0.00 0.0
60 23 0.12 0.0
42 32 0.08 0.4
50 33 0.03 0.0
46 32 0.02 0.0
57 25 0.08 0.0
69 31 0.00 0.0
68 36 0.00 0.0
73 36 0.00 0.0
75 37 0.00 0.0
79 43 0.00 0.0
69 34 0.00 0.0
74 34 0.00 0.0
50 32 0.00 0.0
64 24 0.00 0.0
74 29 0.00 0.0
79 37 0.00 0.0
86 41 0.00 0.0
80 42 0.00 0.0
85 42 0.00 0.0
85 52 0.00 0.0
81 50 0.00 0.0
88 48 0.00 0.0
95 57 0.00 0.0
81 50 0.06 0.0
85 48 0.00 0.0
June 2003 Casper Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
76 40 0.08 0.0
76 40 0.20 0.0
72 41 0.00 0.0
67 41 0.00 0.0
63 37 0.00 0.0
65 36 0.42 0.0
62 36 0.00 0.0
77 34 0.00 0.0
78 42 0.13 0.0
83 46 0.02 0.0
80 50 0.00 0.0
83 50 0.00 0.0
80 49 0.00 0.0
81 45 0.00 0.0
90 43 0.15 0.0
85 52 2.12 0.0
75 49 0.00 0.0
76 47 0.00 0.0
84 49 0.00 0.0
79 54 0.00 0.0
72 53 0.00 0.0
73 49 0.01 0.0
60 40 0.81 0.0
44 40 0.25 0.0
62 40 0.09 0.0
71 41 0.00 0.0
80 44 0.00 0.0
79 46 0.41 0.0
76 47 0.00 0.0
90 49 0.00 0.0
July 2003 Casper Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
91 53 0.00 0.0
90 55 0.00 0.0
89 50 0.00 0.0
87 47 0.00 0.0
90 48 0.00 0.0
85 47 0.00 0.0
85 48 0.00 0.0
93 45 0.00 0.0
88 45 0.00 0.0
91 47 0.00 0.0
87 54 0.00 0.0
97 51 0.00 0.0
100 54 0.00 0.0
91 57 0.00 0.0
98 53 0.00 0.0
100 56 0.00 0.0
99 65 0.00 0.0
95 63 0.28 0.0
92 57 0.00 0.0
95 61 0.00 0.0
94 61 0.00 0.0
92 49 0.00 0.0
99 56 0.00 0.0
100 57 0.00 0.0
97 65 0.01 0.0
91 59 0.10 0.0
87 58 0.00 0.0
89 53 0.00 0.0
86 60 0.01 0.0
90 51 0.00 0.0
96 52 0.00 0.0
August 2003 Casper Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
90 56 0.00 0.0
94 53 0.00 0.0
94 58 0.00 0.0
87 58 0.00 0.0
89 54 0.00 0.0
97 56 0.00 0.0
95 60 0.00 0.0
96 70 0.00 0.0
95 60 0.00 0.0
96 51 0.00 0.0
98 60 0.00 0.0
98 61 0.00 0.0
98 66 0.00 0.0
99 60 0.00 0.0
93 53 0.00 0.0
93 52 0.00 0.0
82 54 1.00 0.0
71 52 0.25 0.0
85 56 0.00 0.0
89 51 0.00 0.0
89 51 0.00 0.0
91 69 0.00 0.0
89 65 0.00 0.0
89 63 0.00 0.0
88 56 0.00 0.0
90 49 0.00 0.0
87 56 0.00 0.0
85 49 0.00 0.0
70 49 0.00 0.0
58 49 0.43 0.0
70 46 0.00 0.0
September 2003 Casper Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
82 45 0.00 0.0
81 43 0.00 0.0
80 47 0.00 0.0
87 46 0.00 0.0
88 50 0.00 0.0
75 61 0.00 0.0
78 57 0.00 0.0
81 49 0.06 0.0
74 43 0.06 0.0
53 45 0.33 0.0
67 42 0.00 0.0
73 38 0.17 0.0
58 33 0.01 0.0
69 34 0.00 0.0
79 42 0.00 0.0
81 44 0.00 0.0
54 32 0.75 2.5
54 30 0.00 0.0
66 36 0.00 0.0
67 38 0.00 0.0
68 33 0.00 0.0
76 31 0.00 0.0
78 44 0.00 0.0
60 35 0.00 0.0
78 36 0.00 0.0
67 37 0.00 0.0
65 34 0.00 0.0
64 29 0.00 0.0
58 32 0.00 0.0
59 31 0.00 0.0
October 2003 Casper Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
67 26 0.00 0.0
72 31 0.00 0.0
67 27 0.00 0.0
71 25 0.00 0.0
75 33 0.00 0.0
76 36 0.00 0.0
77 33 0.00 0.0
78 41 0.00 0.0
83 47 0.00 0.0
64 28 0.00 0.0
57 25 0.00 0.0
68 45 0.00 0.0
52 29 0.00 0.0
62 27 0.00 0.0
56 23 0.00 0.0
63 34 0.00 0.0
79 46 0.00 0.0
78 46 0.00 0.0
79 48 0.00 0.0
77 41 0.00 0.0
77 41 0.00 0.0
80 40 0.00 0.0
81 46 0.00 0.0
50 22 0.00 0.0
48 19 0.00 0.0
59 36 0.00 0.0
69 41 0.00 0.0
63 27 0.00 0.0
60 20 0.26 3.5
20 15 0.27 14.5
18 11 0.07 3.0
November 2003 Casper Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
31 13 0.00 0.0
31 16 0.00 0.0
31 24 0.14 2.0
29 4 0.00 0.0
17 -9 0.00 0.0
24 -4 0.00 0.0
30 10 0.00 0.0
34 0 0.00 0.0
40 24 0.00 0.0
42 32 0.00 0.0
46 30 0.06 0.5
39 22 0.00 0.0
54 20 0.02 0.0
56 33 0.00 0.0
54 42 0.00 0.0
59 41 0.00 0.0
55 32 0.00 0.0
58 35 0.00 0.0
60 45 0.00 0.0
59 32 0.00 0.0
43 9 0.07 2.0
9 -2 0.01 0.7
22 -5 0.00 0.0
34 18 0.00 0.0
30 16 0.00 0.0
36 8 0.00 0.0
33 13 0.00 0.0
40 19 0.00 0.0
51 33 0.00 0.0
49 32 0.00 0.0
December 2003 Casper Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
48 30 0.00 0.0
50 22 0.00 0.0
48 26 0.00 0.0
37 10 0.02 0.4
41 8 0.00 0.0
51 36 0.00 0.0
52 23 0.00 0.0
29 18 0.13 5.6
25 11 0.00 0.0
31 18 0.02 1.0
31 4 0.00 0.5
28 3 0.00 0.0
36 25 0.00 0.0
44 27 0.00 0.1
27 14 0.00 0.1
29 12 0.00 0.0
41 17 0.00 0.0
37 17 0.00 0.0
47 24 0.00 0.0
52 32 0.00 0.0
38 26 0.21 2.9
28 10 0.00 0.0
36 25 0.00 0.0
41 24 0.00 0.0
40 30 0.00 0.0
50 26 0.01 0.3
28 22 0.00 0.3
26 16 0.00 0.0
29 17 0.00 0.0
38 22 0.00 0.0
39 26 0.00 0.0
Weather Station Details
Years Station Coordinates
1949–2023 Casper-Natrona County International Airport location
1900–1948 Casper 2 E location