Rock Springs Weather in 2009

Historical record of Rock Springs, Wyoming weather for the year 2009 based on NOAA data.
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2009 Rock Springs Weather Extremes
Highest temperature 93 °F August 22
Lowest temperature -12 °F December 8
Highest daily low 63 °F July 19
Lowest daily high 1 °F December 8
Most daily precipitation 0.6 inches May 2
Total annual precipitation 8.1 inches -
Highest Temperatures in Rock Springs in 2009
Rank Temperature Date
1 93 °F Aug 22
2 92 °F Jul 23
3 91 °F Aug 3
4 90 °F Jul 18
4 90 °F Jul 17
6 89 °F Aug 21
6 89 °F Aug 4
6 89 °F Jul 24
6 89 °F Jul 22
10 88 °F Aug 5
Lowest Temperatures in Rock Springs in 2009
Rank Temperature Date
1 -12 °F December 8
2 -11 °F January 5
2 -11 °F January 4
4 -10 °F December 6
5 -9 °F December 9
5 -9 °F January 27
7 -8 °F December 7
8 -7 °F January 26
9 -5 °F January 3
10 -3 °F December 28
January 2009 Rock Springs Weather
Day High (°F) Low (°F) Precip. (inches)
January 1
39 26 0.00
January 2
47 24 0.01
January 3
24 -5 0.00
January 4
8 -11 0.00
January 5
19 -11 0.00
January 6
28 17 0.00
January 7
38 28 0.00
January 8
48 27 0.00
January 9
34 18 0.00
January 10
31 16 0.00
January 11
35 21 0.00
January 12
34 23 0.00
January 13
38 27 0.00
January 14
41 27 0.00
January 15
40 22 0.00
January 16
46 24 0.00
January 17
42 19 0.00
January 18
42 14 0.00
January 19
45 16 0.00
January 20
44 11 0.00
January 21
46 12 0.00
January 22
45 27 0.05
January 23
42 25 0.14
January 24
46 27 0.03
January 25
34 -2 0.09
January 26
2 -7 0.00
January 27
14 -9 0.00
January 28
26 13 0.00
January 29
25 14 0.00
January 30
33 18 0.00
January 31
38 20 0.00
February 2009 Rock Springs Weather
Day High (°F) Low (°F) Precip. (inches)
February 1
32 17 0.00
February 2
36 19 0.00
February 3
43 20 0.00
February 4
43 15 0.00
February 5
43 15 0.00
February 6
41 26 0.00
February 7
39 19 0.00
February 8
48 22 0.04
February 9
33 19 0.03
February 10
28 11 0.02
February 11
27 11 0.00
February 12
30 9 0.00
February 13
28 8 0.00
February 14
28 14 0.02
February 15
31 9 0.00
February 16
37 12 0.00
February 17
32 22 0.00
February 18
33 19 0.00
February 19
34 17 0.00
February 20
36 12 0.00
February 21
41 9 0.00
February 22
43 20 0.00
February 23
44 31 0.00
February 24
49 30 0.03
February 25
50 29 0.00
February 26
45 24 0.00
February 27
26 13 0.00
February 28
39 9 0.00
March 2009 Rock Springs Weather
Day High (°F) Low (°F) Precip. (inches)
March 1
51 20 0.00
March 2
58 28 0.00
March 3
59 33 0.00
March 4
55 29 0.00
March 5
31 17 0.03
March 6
34 17 0.00
March 7
34 14 0.00
March 8
43 16 0.00
March 9
44 11 0.10
March 10
21 7 0.00
March 11
37 9 0.00
March 12
38 15 0.00
March 13
43 14 0.00
March 14
49 18 0.00
March 15
50 23 0.00
March 16
59 31 0.00
March 17
55 32 0.00
March 18
54 29 0.00
March 19
58 25 0.00
March 20
63 32 0.00
March 21
64 34 0.00
March 22
57 32 0.00
March 23
33 26 0.31
March 24
34 18 0.00
March 25
34 23 0.09
March 26
25 7 0.02
March 27
30 3 0.00
March 28
42 22 0.00
March 29
48 16 0.00
March 30
26 16 0.03
March 31
35 18 0.01
April 2009 Rock Springs Weather
Day High (°F) Low (°F) Precip. (inches)
April 1
28 15 0.13
April 2
39 15 0.05
April 3
34 25 0.14
April 4
27 17 0.02
April 5
33 14 0.00
April 6
45 20 0.00
April 7
56 27 0.00
April 8
55 30 0.02
April 9
44 30 0.00
April 10
51 29 0.00
April 11
50 36 0.00
April 12
57 32 0.00
April 13
58 30 0.00
April 14
57 36 0.00
April 15
61 28 0.20
April 16
32 25 0.20
April 17
35 28 0.07
April 18
50 29 0.02
April 19
60 29 0.00
April 20
67 38 0.00
April 21
69 38 0.00
April 22
70 39 0.00
April 23
71 44 0.00
April 24
53 32 0.15
April 25
45 31 0.58
April 26
42 28 0.08
April 27
47 24 0.00
April 28
62 35 0.00
April 29
56 33 0.00
April 30
58 27 0.00
May 2009 Rock Springs Weather
Day High (°F) Low (°F) Precip. (inches)
May 1
53 32 0.02
May 2
46 35 0.61
May 3
52 34 0.01
May 4
54 33 0.00
May 5
63 38 0.00
May 6
68 37 0.00
May 7
62 40 0.00
May 8
53 31 0.00
May 9
53 27 0.00
May 10
60 31 0.00
May 11
68 38 0.00
May 12
67 39 0.00
May 13
50 31 0.00
May 14
62 35 0.00
May 15
64 39 0.00
May 16
68 33 0.00
May 17
76 42 0.00
May 18
82 49 0.00
May 19
81 48 0.00
May 20
70 47 0.01
May 21
74 40 0.00
May 22
75 42 0.00
May 23
59 47 0.09
May 24
62 48 0.11
May 25
61 43 0.16
May 26
62 44 0.00
May 27
68 41 0.00
May 28
75 46 0.00
May 29
77 47 0.00
May 30
75 48 0.00
May 31
75 48 0.00
June 2009 Rock Springs Weather
Day High (°F) Low (°F) Precip. (inches)
June 1
70 47 0.19
June 2
57 41 0.01
June 3
73 40 0.00
June 4
76 43 0.00
June 5
76 47 0.00
June 6
65 44 0.01
June 7
59 40 0.01
June 8
62 37 0.14
June 9
63 42 0.04
June 10
63 43 0.00
June 11
61 41 0.05
June 12
65 43 0.02
June 13
73 43 0.00
June 14
66 39 0.02
June 15
66 39 0.00
June 16
71 41 0.00
June 17
67 47 0.26
June 18
59 45 0.10
June 19
71 41 0.00
June 20
75 45 0.00
June 21
63 41 0.01
June 22
73 41 0.00
June 23
81 46 0.00
June 24
85 54 0.00
June 25
83 48 0.01
June 26
67 50 0.33
June 27
74 45 0.00
June 28
79 47 0.00
June 29
82 49 0.00
June 30
86 50 0.00
July 2009 Rock Springs Weather
Day High (°F) Low (°F) Precip. (inches)
July 1
83 57 0.05
July 2
81 54 0.09
July 3
76 52 0.23
July 4
72 49 0.00
July 5
79 48 0.11
July 6
84 49 0.00
July 7
83 50 0.00
July 8
82 51 0.00
July 9
83 51 0.00
July 10
85 50 0.00
July 11
85 53 0.00
July 12
86 57 0.00
July 13
87 56 0.02
July 14
76 48 0.00
July 15
82 50 0.00
July 16
87 53 0.00
July 17
90 54 0.00
July 18
90 56 0.00
July 19
86 63 0.01
July 20
86 58 0.00
July 21
83 50 0.00
July 22
89 53 0.01
July 23
92 53 0.00
July 24
89 58 0.00
July 25
75 59 0.00
July 26
86 53 0.00
July 27
83 52 0.01
July 28
79 48 0.00
July 29
71 48 0.00
July 30
77 45 0.00
July 31
80 51 0.01
August 2009 Rock Springs Weather
Day High (°F) Low (°F) Precip. (inches)
August 1
84 44 0.00
August 2
87 53 0.00
August 3
91 56 0.00
August 4
89 52 0.00
August 5
88 54 0.00
August 6
81 53 0.52
August 7
76 51 0.00
August 8
68 45 0.00
August 9
70 41 0.00
August 10
76 46 0.00
August 11
82 50 0.00
August 12
87 52 0.00
August 13
86 57 0.00
August 14
80 55 0.17
August 15
61 42 0.11
August 16
65 38 0.00
August 17
70 39 0.00
August 18
74 41 0.00
August 19
79 49 0.00
August 20
80 49 0.00
August 21
89 53 0.00
August 22
93 58 0.00
August 23
80 57 0.00
August 24
74 50 0.03
August 25
77 49 0.00
August 26
80 48 0.00
August 27
85 51 0.00
August 28
86 54 0.00
August 29
83 54 0.00
August 30
85 56 0.00
August 31
83 52 0.00
September 2009 Rock Springs Weather
Day High (°F) Low (°F) Precip. (inches)
September 1
84 49 0.00
September 2
84 51 0.00
September 3
85 55 0.00
September 4
83 52 0.00
September 5
81 51 0.00
September 6
79 56 0.00
September 7
80 56 0.00
September 8
75 50 0.00
September 9
80 44 0.00
September 10
82 50 0.00
September 11
75 48 0.00
September 12
65 41 0.00
September 13
77 39 0.00
September 14
75 50 0.08
September 15
66 48 0.25
September 16
75 48 0.08
September 17
76 45 0.00
September 18
79 47 0.00
September 19
78 44 0.00
September 20
70 42 0.08
September 21
51 36 0.00
September 22
63 30 0.00
September 23
67 43 0.00
September 24
70 39 0.00
September 25
78 37 0.00
September 26
80 46 0.00
September 27
77 43 0.00
September 28
79 34 0.00
September 29
76 50 0.00
September 30
61 29 0.02
October 2009 Rock Springs Weather
Day High (°F) Low (°F) Precip. (inches)
October 1
44 26 0.00
October 2
51 25 0.00
October 3
56 27 0.00
October 4
40 28 0.05
October 5
35 24 0.40
October 6
42 24 0.00
October 7
54 26 0.00
October 8
40 27 0.00
October 9
42 15 0.00
October 10
42 14 0.00
October 11
45 17 0.20
October 12
59 26 0.00
October 13
58 38 0.00
October 14
56 41 0.25
October 15
56 37 0.00
October 16
58 35 0.00
October 17
64 33 0.00
October 18
68 36 0.00
October 19
62 41 0.00
October 20
43 32 0.01
October 21
45 30 0.00
October 22
51 29 0.00
October 23
51 27 0.00
October 24
51 29 0.00
October 25
40 21 0.00
October 26
48 19 0.00
October 27
43 24 0.00
October 28
27 19 0.00
October 29
25 13 0.00
October 30
41 23 0.00
October 31
52 35 0.00
November 2009 Rock Springs Weather
Day High (°F) Low (°F) Precip. (inches)
November 1
56 35 0.00
November 2
54 28 0.00
November 3
58 35 0.00
November 4
59 25 0.00
November 5
66 30 0.00
November 6
60 36 0.00
November 7
54 30 0.00
November 8
46 24 0.00
November 9
48 18 0.00
November 10
52 22 0.00
November 11
61 28 0.00
November 12
56 28 0.07
November 13
32 16 0.00
November 14
27 14 0.00
November 15
29 13 0.00
November 16
40 15 0.00
November 17
49 19 0.00
November 18
45 17 0.00
November 19
41 21 0.00
November 20
47 16 0.00
November 21
37 21 0.00
November 22
38 15 0.13
November 23
26 14 0.00
November 24
33 14 0.00
November 25
42 20 0.00
November 26
49 25 0.00
November 27
49 19 0.00
November 28
38 22 0.00
November 29
36 10 0.00
November 30
43 18 0.00
December 2009 Rock Springs Weather
Day High (°F) Low (°F) Precip. (inches)
December 1
40 12 0.00
December 2
18 3 0.00
December 3
14 -2 0.00
December 4
29 2 0.00
December 5
21 2 0.00
December 6
6 -10 0.00
December 7
3 -8 0.00
December 8
1 -12 0.01
December 9
8 -9 0.00
December 10
15 0 0.00
December 11
25 3 0.00
December 12
32 9 0.00
December 13
30 21 0.10
December 14
29 16 0.00
December 15
31 10 0.00
December 16
37 23 0.00
December 17
36 20 0.00
December 18
28 16 0.00
December 19
31 12 0.00
December 20
38 24 0.00
December 21
36 22 0.00
December 22
30 17 0.00
December 23
28 10 0.03
December 24
18 -1 0.00
December 25
22 8 0.00
December 26
21 4 0.00
December 27
20 -2 0.00
December 28
20 -3 0.00
December 29
20 4 0.00
December 30
25 13 0.01
December 31
23 11 0.00
Weather Station Details
Years Station Coordinates
1948–2024 Rock Springs Airport location
1898–1947 Rock Springs location