Rock Springs Weather in 1977

Historical record of Rock Springs, Wyoming weather for the year 1977 based on NOAA data.
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1977 Rock Springs Weather Extremes
Highest temperature 92 °F July 18
Lowest temperature -12 °F January 9
Highest daily low 64 °F July 18
Lowest daily high 9 °F January 8
Most daily precipitation 1.0 inches March 2
Most daily snow 9.6 inches March 2
Total annual precipitation 7.1 inches -
Total annual snow 44.3 inches -
Highest Temperatures in Rock Springs in 1977
Rank Temperature Date
1 92 °F Jul 18
2 91 °F Jul 29
2 91 °F Jul 12
2 91 °F Jun 25
5 90 °F Jul 17
5 90 °F Jul 16
5 90 °F Jul 15
5 90 °F Jun 26
5 90 °F Jun 5
10 89 °F Aug 2
10 89 °F Jun 7
10 89 °F Jun 4
Lowest Temperatures in Rock Springs in 1977
Rank Temperature Date
1 -12 °F January 9
2 -8 °F November 21
2 -8 °F January 8
4 -7 °F January 6
5 -6 °F January 5
6 -4 °F November 20
7 -1 °F January 12
8 0 °F December 21
8 0 °F January 4
10 1 °F December 20
10 1 °F November 19
January 1977 Rock Springs Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
January 1
31 6 0.07 1.0
January 2
33 18 0.10 1.0
January 3
36 24 0.02 2.0
January 4
33 0 0.08 3.0
January 5
17 -6 0.00 0.0
January 6
21 -7 0.00 0.0
January 7
26 7 0.00 0.0
January 8
9 -8 0.00 0.0
January 9
15 -12 0.00 0.0
January 10
28 9 0.00 0.0
January 11
28 8 0.00 0.0
January 12
29 -1 0.00 0.0
January 13
31 15 0.00 0.0
January 14
30 13 0.00 0.0
January 15
35 18 0.00 0.0
January 16
37 20 0.00 0.0
January 17
42 24 0.00 0.0
January 18
45 26 0.00 0.0
January 19
45 22 0.00 0.0
January 20
47 11 0.00 0.0
January 21
39 15 0.00 0.0
January 22
36 21 0.00 0.0
January 23
38 13 0.00 0.0
January 24
35 11 0.00 0.0
January 25
35 6 0.00 0.0
January 26
38 14 0.00 0.0
January 27
36 16 0.00 0.0
January 28
42 19 0.00 0.0
January 29
40 13 0.00 0.0
January 30
42 9 0.00 0.0
January 31
48 21 0.00 0.0
February 1977 Rock Springs Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
February 1
38 22 0.00 0.0
February 2
35 12 0.00 0.0
February 3
41 10 0.00 0.0
February 4
43 12 0.00 0.0
February 5
44 18 0.00 0.0
February 6
43 10 0.00 0.0
February 7
46 6 0.00 0.0
February 8
46 12 0.00 0.0
February 9
48 11 0.00 0.0
February 10
49 14 0.00 0.0
February 11
45 21 0.00 0.0
February 12
51 18 0.00 0.0
February 13
48 27 0.00 0.0
February 14
42 18 0.00 0.0
February 15
50 21 0.00 0.0
February 16
55 24 0.00 0.0
February 17
54 32 0.00 0.0
February 18
52 30 0.00 0.0
February 19
54 25 0.00 0.0
February 20
60 26 0.00 0.0
February 21
54 29 0.00 0.0
February 22
35 21 0.00 0.0
February 23
35 15 0.00 0.0
February 24
33 11 0.00 0.0
February 25
33 7 0.00 0.0
February 26
30 10 0.02 0.0
February 27
31 5 0.00 0.0
February 28
43 19 0.00 0.0
March 1977 Rock Springs Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
March 1
45 21 0.00 0.0
March 2
27 16 0.96 9.6
March 3
33 11 0.10 1.3
March 4
30 10 0.00 0.1
March 5
32 5 0.00 0.0
March 6
40 18 0.00 0.0
March 7
50 14 0.00 0.0
March 8
50 24 0.00 0.0
March 9
48 19 0.00 0.0
March 10
32 21 0.33 3.0
March 11
36 9 0.00 0.0
March 12
45 9 0.00 0.0
March 13
45 20 0.00 0.0
March 14
32 11 0.00 0.0
March 15
39 6 0.00 0.0
March 16
47 15 0.00 0.0
March 17
41 20 0.00 0.0
March 18
31 18 0.00 0.0
March 19
35 17 0.00 0.0
March 20
31 13 0.10 1.0
March 21
39 15 0.00 0.0
March 22
53 25 0.00 0.0
March 23
59 24 0.00 0.0
March 24
44 29 0.01 0.1
March 25
38 24 0.10 1.0
March 26
44 19 0.00 0.0
March 27
50 25 0.30 3.0
March 28
29 14 0.00 0.0
March 29
26 11 0.07 0.7
March 30
32 6 0.00 0.0
March 31
42 11 0.00 0.0
April 1977 Rock Springs Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
April 1
39 16 0.00 0.0
April 2
29 16 0.00 0.0
April 3
40 15 0.00 0.0
April 4
51 28 0.00 0.0
April 5
58 28 0.00 0.0
April 6
65 29 0.00 0.0
April 7
68 26 0.00 0.0
April 8
72 33 0.00 0.0
April 9
70 45 0.00 0.0
April 10
65 32 0.00 0.0
April 11
55 34 0.01 0.0
April 12
44 31 0.16 1.0
April 13
55 26 0.00 0.0
April 14
61 29 0.00 0.0
April 15
44 25 0.37 3.5
April 16
62 33 0.00 0.0
April 17
70 35 0.00 0.0
April 18
42 30 0.03 0.0
April 19
51 24 0.00 0.0
April 20
56 24 0.00 0.0
April 21
63 28 0.00 0.0
April 22
69 29 0.00 0.0
April 23
73 38 0.00 0.0
April 24
73 39 0.00 0.0
April 25
74 37 0.00 0.0
April 26
77 36 0.00 0.0
April 27
70 44 0.00 0.0
April 28
67 42 0.00 0.0
April 29
71 39 0.00 0.0
April 30
74 41 0.00 0.0
May 1977 Rock Springs Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
May 1
68 45 0.00 0.0
May 2
67 37 0.00 0.0
May 3
65 37 0.00 0.0
May 4
50 33 0.05 0.0
May 5
56 25 0.14 0.0
May 6
67 34 0.00 0.0
May 7
71 40 0.00 0.0
May 8
71 40 0.00 0.0
May 9
77 40 0.00 0.0
May 10
55 36 0.00 0.0
May 11
64 29 0.00 0.0
May 12
73 40 0.00 0.0
May 13
71 43 0.02 0.0
May 14
56 40 0.03 0.0
May 15
61 36 0.01 0.0
May 16
64 32 0.02 0.0
May 17
55 32 0.00 0.0
May 18
53 31 0.05 0.0
May 19
54 26 0.05 0.0
May 20
57 29 0.00 0.0
May 21
66 29 0.00 0.0
May 22
67 35 0.00 0.0
May 23
72 44 0.00 0.0
May 24
63 36 0.00 0.0
May 25
62 38 0.00 0.0
May 26
56 38 0.11 0.0
May 27
59 36 0.00 0.0
May 28
60 30 0.00 0.0
May 29
66 31 0.00 0.0
May 30
71 32 0.00 0.0
May 31
82 38 0.00 0.0
June 1977 Rock Springs Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
June 1
85 48 0.00 0.0
June 2
86 50 0.00 0.0
June 3
87 47 0.00 0.0
June 4
89 48 0.00 0.0
June 5
90 53 0.00 0.0
June 6
88 55 0.00 0.0
June 7
89 54 0.00 0.0
June 8
82 54 0.03 0.0
June 9
81 51 0.00 0.0
June 10
72 47 0.00 0.0
June 11
81 44 0.00 0.0
June 12
81 45 0.00 0.0
June 13
86 48 0.00 0.0
June 14
85 47 0.00 0.0
June 15
83 47 0.00 0.0
June 16
84 46 0.00 0.0
June 17
85 47 0.00 0.0
June 18
81 49 0.00 0.0
June 19
86 44 0.00 0.0
June 20
78 46 0.00 0.0
June 21
78 44 0.00 0.0
June 22
81 44 0.00 0.0
June 23
87 53 0.00 0.0
June 24
87 54 0.00 0.0
June 25
91 54 0.00 0.0
June 26
90 55 0.00 0.0
June 27
86 58 0.00 0.0
June 28
87 53 0.00 0.0
June 29
84 58 0.00 0.0
June 30
84 46 0.00 0.0
July 1977 Rock Springs Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
July 1
82 49 0.00 0.0
July 2
78 54 0.22 0.0
July 3
82 48 0.00 0.0
July 4
66 54 0.26 0.0
July 5
81 54 0.02 0.0
July 6
85 52 0.00 0.0
July 7
84 52 0.00 0.0
July 8
82 50 0.02 0.0
July 9
82 56 0.00 0.0
July 10
79 52 0.00 0.0
July 11
83 45 0.00 0.0
July 12
91 50 0.00 0.0
July 13
87 58 0.00 0.0
July 14
87 47 0.00 0.0
July 15
90 51 0.00 0.0
July 16
90 56 0.00 0.0
July 17
90 54 0.00 0.0
July 18
92 64 0.00 0.0
July 19
85 56 0.05 0.0
July 20
82 54 0.00 0.0
July 21
82 53 0.00 0.0
July 22
86 54 0.00 0.0
July 23
84 60 0.14 0.0
July 24
77 57 0.06 0.0
July 25
84 51 0.00 0.0
July 26
87 56 0.00 0.0
July 27
74 50 0.05 0.0
July 28
85 47 0.00 0.0
July 29
91 50 0.00 0.0
July 30
84 47 0.00 0.0
July 31
86 45 0.00 0.0
August 1977 Rock Springs Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
August 1
87 49 0.00 0.0
August 2
89 50 0.00 0.0
August 3
86 56 0.00 0.0
August 4
80 48 0.00 0.0
August 5
74 50 0.09 0.0
August 6
80 49 0.15 0.0
August 7
85 50 0.00 0.0
August 8
84 56 0.00 0.0
August 9
84 46 0.00 0.0
August 10
82 50 0.01 0.0
August 11
84 46 0.00 0.0
August 12
86 50 0.00 0.0
August 13
87 52 0.00 0.0
August 14
87 51 0.00 0.0
August 15
84 54 0.00 0.0
August 16
87 53 0.00 0.0
August 17
76 52 0.00 0.0
August 18
68 55 0.25 0.0
August 19
77 54 0.00 0.0
August 20
85 49 0.00 0.0
August 21
80 49 0.00 0.0
August 22
83 52 0.00 0.0
August 23
85 53 0.00 0.0
August 24
77 53 0.52 0.0
August 25
71 50 0.01 0.0
August 26
60 44 0.21 0.0
August 27
61 39 0.00 0.0
August 28
67 38 0.00 0.0
August 29
75 46 0.00 0.0
August 30
77 47 0.00 0.0
August 31
73 38 0.00 0.0
September 1977 Rock Springs Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
September 1
80 45 0.00 0.0
September 2
84 45 0.00 0.0
September 3
76 45 0.00 0.0
September 4
83 45 0.00 0.0
September 5
85 49 0.00 0.0
September 6
87 52 0.00 0.0
September 7
87 50 0.00 0.0
September 8
77 46 0.00 0.0
September 9
76 36 0.00 0.0
September 10
78 40 0.00 0.0
September 11
72 50 0.00 0.0
September 12
73 44 0.00 0.0
September 13
73 37 0.00 0.0
September 14
75 42 0.00 0.0
September 15
69 43 0.00 0.0
September 16
69 41 0.00 0.0
September 17
58 34 0.00 0.0
September 18
67 27 0.00 0.0
September 19
70 40 0.00 0.0
September 20
70 41 0.05 0.0
September 21
59 36 0.00 0.0
September 22
59 31 0.05 0.0
September 23
50 31 0.02 0.0
September 24
65 28 0.00 0.0
September 25
72 30 0.00 0.0
September 26
71 35 0.00 0.0
September 27
76 38 0.00 0.0
September 28
75 41 0.00 0.0
September 29
75 47 0.00 0.0
September 30
50 31 0.01 0.0
October 1977 Rock Springs Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
October 1
55 27 0.00 0.0
October 2
68 26 0.00 0.0
October 3
72 36 0.00 0.0
October 4
70 32 0.00 0.0
October 5
66 33 0.00 0.0
October 6
63 40 0.28 0.0
October 7
51 34 0.01 0.0
October 8
54 31 0.00 0.0
October 9
58 28 0.00 0.0
October 10
42 22 0.00 0.0
October 11
55 19 0.00 0.0
October 12
64 18 0.00 0.0
October 13
69 33 0.00 0.0
October 14
68 36 0.00 0.0
October 15
68 27 0.00 0.0
October 16
72 30 0.00 0.0
October 17
71 38 0.00 0.0
October 18
70 32 0.00 0.0
October 19
71 29 0.00 0.0
October 20
55 36 0.05 0.0
October 21
54 38 0.06 0.0
October 22
56 30 0.00 0.0
October 23
62 32 0.00 0.0
October 24
63 37 0.00 0.0
October 25
67 37 0.00 0.0
October 26
72 33 0.00 0.0
October 27
67 34 0.00 0.0
October 28
66 36 0.00 0.0
October 29
63 35 0.06 0.0
October 30
45 27 0.00 0.0
October 31
37 22 0.00 0.0
November 1977 Rock Springs Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
November 1
43 20 0.00 0.0
November 2
58 26 0.00 0.0
November 3
63 22 0.00 0.0
November 4
66 38 0.00 0.0
November 5
61 36 0.00 0.0
November 6
47 27 0.00 0.0
November 7
49 26 0.00 0.0
November 8
28 6 0.03 0.0
November 9
37 3 0.00 0.0
November 10
52 19 0.00 0.0
November 11
53 22 0.00 0.0
November 12
57 26 0.00 0.0
November 13
57 22 0.00 0.0
November 14
45 27 0.00 0.0
November 15
48 34 0.00 0.0
November 16
43 25 0.00 0.0
November 17
40 20 0.00 0.0
November 18
35 21 0.22 2.0
November 19
22 1 0.30 5.0
November 20
14 -4 0.07 1.0
November 21
20 -8 0.00 0.0
November 22
39 14 0.00 0.0
November 23
34 25 0.00 0.0
November 24
42 24 0.00 0.0
November 25
47 31 0.00 0.0
November 26
47 27 0.00 0.0
November 27
42 27 0.00 0.0
November 28
39 23 0.10 1.0
November 29
39 23 0.00 0.0
November 30
33 18 0.00 0.0
December 1977 Rock Springs Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
December 1
30 14 0.00 0.0
December 2
45 29 0.00 0.0
December 3
47 37 0.00 0.0
December 4
40 27 0.00 0.0
December 5
33 23 0.00 0.0
December 6
45 26 0.00 0.0
December 7
45 25 0.00 0.0
December 8
28 13 0.00 0.0
December 9
40 16 0.00 0.0
December 10
52 25 0.00 0.0
December 11
46 17 0.00 0.0
December 12
40 27 0.00 0.0
December 13
42 23 0.00 0.0
December 14
52 36 0.00 0.0
December 15
48 26 0.02 0.0
December 16
28 18 0.00 0.0
December 17
31 16 0.00 0.0
December 18
30 12 0.40 4.0
December 19
23 3 0.00 0.0
December 20
20 1 0.00 0.0
December 21
19 0 0.00 0.0
December 22
33 6 0.00 0.0
December 23
36 16 0.00 0.0
December 24
34 25 0.00 0.0
December 25
34 24 0.00 0.0
December 26
34 17 0.00 0.0
December 27
30 12 0.00 0.0
December 28
36 13 0.00 0.0
December 29
37 18 0.00 0.0
December 30
41 22 0.00 0.0
December 31
28 16 0.00 0.0
Weather Station Details
Years Station Coordinates
1948–2024 Rock Springs Airport location
1898–1947 Rock Springs location