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Riverton Weather in 1940

Historical record of Riverton, Wyoming weather for the year 1940 based on NOAA data.
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1940 Riverton Weather Extremes
Highest temperature 101 °F July 23
Lowest temperature -29 °F January 19
Highest daily low 63 °F July 15
Lowest daily high -2 °F January 19
Most daily precipitation 0.8 inches April 2
Most daily snow 5.0 inches April 11
Total annual precipitation 8.2 inches -
Total annual snow 30.5 inches -
What was the hottest temperature in Riverton in 1940?
The highest temperature recorded in Riverton, Wyoming in 1940 was 101 °F which happened on July 23.
Highest Temperatures: All-Time By Year
Highest Temperatures in Riverton in 1940
Rank Temperature Date
1 101 °F Jul 23
2 98 °F Jul 24
2 98 °F Jul 22
2 98 °F Jul 9
5 97 °F Aug 12
5 97 °F Aug 9
5 97 °F Jul 31
5 97 °F Jul 13
5 97 °F Jun 20
5 97 °F Jun 19
5 97 °F Jun 17
What was the coldest temperature in Riverton in 1940?
The lowest temperature recorded in Riverton, Wyoming in 1940 was -29 °F which happened on Jan 19.
Lowest Temperatures: All-Time By Year
Lowest Temperatures in Riverton in 1940
Rank Temperature Date
1 -29 °F January 19
2 -27 °F January 22
3 -23 °F January 18
4 -22 °F January 21
5 -20 °F December 15
6 -18 °F December 16
6 -18 °F January 23
6 -18 °F January 14
9 -15 °F December 17
10 -14 °F January 26
January 1940 Riverton Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
January 1
 35 19 0.00 0.0
January 2
 34 15 0.00 0.0
January 3
 40 13 0.00 0.0
January 4
 35 18 0.05 1.0
January 5
 31 21 0.34 4.0
January 6
 30 15 0.07 1.0
January 7
 20 -6 0.00 0.0
January 8
 7 -9 0.00 0.0
January 9
 8 -12 0.00 0.0
January 10
 23 -10 0.00 0.0
January 11
 23 -7 0.00 0.0
January 12
 17 -8 0.00 0.0
January 13
 18 -7 0.03 0.5
January 14
 15 -18 0.00 0.0
January 15
 18 -12 0.00 0.0
January 16
 47 8 0.00 0.0
January 17
 28 7 0.00 0.0
January 18
 12 -23 0.00 0.0
January 19
 -2 -29 0.00 0.0
January 20
 10 -11 0.00 0.0
January 21
 6 -22 0.00 0.0
January 22
 9 -27 0.00 0.0
January 23
 8 -18 0.00 0.0
January 24
 5 -10 0.00 0.0
January 25
 12 -12 0.00 0.0
January 26
 8 -14 0.00 0.0
January 27
 28 -5 0.00 0.0
January 28
 29 3 0.00 0.0
January 29
 29 -1 0.00 0.0
January 30
 25 0 0.00 0.0
January 31
 26 1 0.00 0.0
February 1940 Riverton Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
February 1
 25 19 0.00 0.0
February 2
 26 14 0.06 1.0
February 3
 23 7 0.00 0.0
February 4
 28 2 0.00 0.0
February 5
 33 7 0.00 0.0
February 6
 26 4 0.00 0.0
February 7
 40 10 0.00 0.0
February 8
 40 13 0.00 0.0
February 9
 28 2 0.00 0.0
February 10
 51 14 0.00 0.0
February 11
 42 21 0.00 0.0
February 12
 33 4 0.00 0.0
February 13
 28 -1 0.00 0.0
February 14
 39 9 0.00 0.0
February 15
 32 23 0.09 1.5
February 16
 30 3 0.00 0.0
February 17
 29 -6 0.00 0.0
February 18
 37 5 0.00 0.0
February 19
 38 14 0.00 0.0
February 20
 38 8 0.00 0.0
February 21
 31 3 0.00 0.0
February 22
 33 3 0.00 0.0
February 23
 30 7 0.00 0.0
February 24
 35 7 0.00 0.0
February 25
 55 9 0.00 0.0
February 26
 58 22 0.00 0.0
February 27
 58 24 0.00 0.0
February 28
 62 25 0.00 0.0
February 29
 58 23 0.00 0.0
March 1940 Riverton Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
March 1
 50 30 0.00 0.0
March 2
 51 16 0.00 0.0
March 3
 45 30 0.02 0.0
March 4
 51 16 0.00 0.0
March 5
 53 25 0.00 0.0
March 6
 42 22 0.16 2.0
March 7
 48 19 0.00 0.0
March 8
 56 21 0.00 0.0
March 9
 48 20 0.00 0.0
March 10
 49 17 0.00 0.0
March 11
 34 22 0.08 2.0
March 12
 35 3 0.00 0.0
March 13
 42 10 0.00 0.0
March 14
 56 18 0.00 0.0
March 15
 60 27 0.00 0.0
March 16
 63 25 0.00 0.0
March 17
 57 32 0.00 0.0
March 18
 59 20 0.00 0.0
March 19
 57 25 0.00 0.0
March 20
 62 19 0.00 0.0
March 21
 65 23 0.00 0.0
March 22
 70 27 0.00 0.0
March 23
 60 24 0.00 0.0
March 24
 65 20 0.00 0.0
March 25
 67 27 0.00 0.0
March 26
 63 30 0.00 0.0
March 27
 56 38 0.00 0.0
March 28
 56 26 0.00 0.0
March 29
 61 22 0.00 0.0
March 30
 70 28 0.00 0.0
March 31
 67 33 0.00 0.0
April 1940 Riverton Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
April 1
 61 35 0.00 0.0
April 2
 48 31 0.78 1.0
April 3
 49 30 0.00 0.0
April 4
 49 22 0.00 0.0
April 5
 51 27 0.00 0.0
April 6
 49 35 0.04 0.0
April 7
 53 32 0.00 0.0
April 8
 62 27 0.00 0.0
April 9
 60 37 0.06 0.0
April 10
 49 31 0.39 2.0
April 11
 45 13 0.24 5.0
April 12
 49 13 0.00 0.0
April 13
 74 28 0.00 0.0
April 14
 63 39 0.00 0.0
April 15
 51 31 0.00 0.0
April 16
 43 28 0.28 0.0
April 17
 56 23 0.00 0.0
April 18
 71 34 0.00 0.0
April 19
 68 35 0.00 0.0
April 20
 69 40 0.00 0.0
April 21
 57 28 0.00 0.0
April 22
 56 36 0.00 0.0
April 23
 65 27 0.00 0.0
April 24
 68 37 0.00 0.0
April 25
 66 40 0.07 0.0
April 26
 71 39 0.04 0.0
April 27
 65 40 0.00 0.0
April 28
 61 42 0.00 0.0
April 29
 58 38 0.02 0.0
April 30
 57 26 0.02 0.0
May 1940 Riverton Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
May 1
 72 32 0.00 0.0
May 2
 79 36 0.00 0.0
May 3
 82 38 0.00 0.0
May 4
 81 37 0.00 0.0
May 5
 70 39 0.00 0.0
May 6
 68 31 0.00 0.0
May 7
 65 28 0.00 0.0
May 8
 74 28 0.00 0.0
May 9
 77 33 0.00 0.0
May 10
 84 36 0.00 0.0
May 11
 87 38 0.00 0.0
May 12
 81 46 0.00 0.0
May 13
 64 48 0.00 0.0
May 14
 73 32 0.00 0.0
May 15
 79 37 0.00 0.0
May 16
 77 47 0.03 0.0
May 17
 58 40 0.23 0.0
May 18
 66 37 0.00 0.0
May 19
 78 32 0.00 0.0
May 20
 67 44 0.31 0.0
May 21
 65 39 0.00 0.0
May 22
 70 34 0.00 0.0
May 23
 75 36 0.00 0.0
May 24
 78 39 0.00 0.0
May 25
 81 40 0.00 0.0
May 26
 77 49 0.02 0.0
May 27
 64 48 0.26 0.0
May 28
 74 40 0.13 0.0
May 29
 77 45 0.02 0.0
May 30
 84 43 0.00 0.0
May 31
 88 45 0.00 0.0
June 1940 Riverton Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
June 1
 89 46 0.00 0.0
June 2
 82 51 0.00 0.0
June 3
 69 48 0.36 0.0
June 4
 75 40 0.06 0.0
June 5
 70 49 0.22 0.0
June 6
 72 46 0.00 0.0
June 7
 78 42 0.00 0.0
June 8
 70 42 0.00 0.0
June 9
 61 38 0.00 0.0
June 10
 75 33 0.00 0.0
June 11
 84 41 0.00 0.0
June 12
 88 47 0.00 0.0
June 13
 94 47 0.00 0.0
June 14
 91 51 0.00 0.0
June 15
 92 50 0.00 0.0
June 16
 95 50 0.00 0.0
June 17
 97 50 0.00 0.0
June 18
 95 52 0.02 0.0
June 19
 97 55 0.00 0.0
June 20
 97 55 0.00 0.0
June 21
 96 52 0.00 0.0
June 22
 90 50 0.00 0.0
June 23
 74 45 0.00 0.0
June 24
 85 39 0.00 0.0
June 25
 95 44 0.00 0.0
June 26
 90 55 0.00 0.0
June 27
 82 46 0.00 0.0
June 28
 87 46 0.00 0.0
June 29
 94 45 0.00 0.0
June 30
 92 51 0.00 0.0
July 1940 Riverton Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
July 1
 83 55 0.58 0.0
July 2
 72 55 0.06 0.0
July 3
 82 53 0.00 0.0
July 4
 89 50 0.04 0.0
July 5
 93 50 0.00 0.0
July 6
 93 52 0.00 0.0
July 7
 88 58 0.00 0.0
July 8
 93 54 0.00 0.0
July 9
 98 52 0.00 0.0
July 10
 91 58 0.00 0.0
July 11
 91 53 0.00 0.0
July 12
 94 53 0.00 0.0
July 13
 97 55 0.00 0.0
July 14
 96 54 0.00 0.0
July 15
 88 63 0.00 0.0
July 16
 88 59 0.04 0.0
July 17
 90 53 0.00 0.0
July 18
 87 53 0.00 0.0
July 19
 89 52 0.00 0.0
July 20
 94 51 0.00 0.0
July 21
 96 50 0.00 0.0
July 22
 98 52 0.00 0.0
July 23
 101 52 0.00 0.0
July 24
 98 51 0.00 0.0
July 25
 92 55 0.00 0.0
July 26
 87 49 0.00 0.0
July 27
 92 49 0.00 0.0
July 28
 88 51 0.00 0.0
July 29
 94 51 0.00 0.0
July 30
 95 60 0.00 0.0
July 31
 97 55 0.00 0.0
August 1940 Riverton Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
August 1
 95 48 0.00 0.0
August 2
 90 55 0.00 0.0
August 3
 90 53 0.00 0.0
August 4
 85 48 0.00 0.0
August 5
 80 47 0.00 0.0
August 6
 92 45 0.00 0.0
August 7
 90 53 0.00 0.0
August 8
 93 52 0.00 0.0
August 9
 97 48 0.00 0.0
August 10
 93 51 0.00 0.0
August 11
 96 50 0.00 0.0
August 12
 97 52 0.00 0.0
August 13
 95 49 0.00 0.0
August 14
 95 53 0.00 0.0
August 15
 88 51 0.00 0.0
August 16
 89 53 0.00 0.0
August 17
 82 51 0.00 0.0
August 18
 83 44 0.00 0.0
August 19
 89 51 0.00 0.0
August 20
 88 50 0.00 0.0
August 21
 87 49 0.00 0.0
August 22
 89 49 0.00 0.0
August 23
 89 49 0.00 0.0
August 24
 84 55 0.00 0.0
August 25
 76 55 0.09 0.0
August 26
 67 52 0.32 0.0
August 27
 84 44 0.00 0.0
August 28
 85 50 0.00 0.0
August 29
 79 42 0.00 0.0
August 30
 85 40 0.00 0.0
August 31
 93 47 0.00 0.0
September 1940 Riverton Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
September 1
 94 49 0.00 0.0
September 2
 93 49 0.00 0.0
September 3
 85 59 0.00 0.0
September 4
 84 48 0.00 0.0
September 5
 82 41 0.00 0.0
September 6
 85 43 0.00 0.0
September 7
 89 47 0.00 0.0
September 8
 89 47 0.00 0.0
September 9
 73 54 0.26 0.0
September 10
 72 49 0.16 0.0
September 11
 80 43 0.00 0.0
September 12
 85 46 0.00 0.0
September 13
 82 48 0.00 0.0
September 14
 81 45 0.00 0.0
September 15
 82 42 0.00 0.0
September 16
 81 46 0.00 0.0
September 17
 81 44 0.00 0.0
September 18
 79 55 0.00 0.0
September 19
 77 42 0.00 0.0
September 20
 70 51 0.03 0.0
September 21
 73 42 0.06 0.0
September 22
 75 45 0.05 0.0
September 23
 76 40 0.00 0.0
September 24
 69 44 0.18 0.0
September 25
 72 39 0.00 0.0
September 26
 74 40 0.00 0.0
September 27
 76 37 0.00 0.0
September 28
 68 49 0.38 0.0
September 29
 65 48 0.34 0.0
September 30
 58 38 0.00 0.0
October 1940 Riverton Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
October 1
 65 37 0.00 0.0
October 2
 64 32 0.00 0.0
October 3
 60 39 0.10 0.0
October 4
 62 33 0.00 0.0
October 5
 60 32 0.00 0.0
October 6
 62 32 0.07 0.0
October 7
 67 27 0.00 0.0
October 8
 65 28 0.00 0.0
October 9
 65 36 0.00 0.0
October 10
 67 29 0.00 0.0
October 11
 73 35 0.00 0.0
October 12
 72 40 0.00 0.0
October 13
 72 36 0.00 0.0
October 14
 64 36 0.00 0.0
October 15
 68 28 0.00 0.0
October 16
 70 28 0.00 0.0
October 17
 65 33 0.00 0.0
October 18
 76 32 0.00 0.0
October 19
 75 33 0.00 0.0
October 20
 70 31 0.00 0.0
October 21
 72 27 0.00 0.0
October 22
 70 40 0.00 0.0
October 23
 66 30 0.00 0.0
October 24
 65 27 0.00 0.0
October 25
 72 33 0.00 0.0
October 26
 59 31 0.00 0.0
October 27
 54 38 0.17 0.0
October 28
 54 29 0.05 0.0
October 29
 52 26 0.00 0.0
October 30
 55 33 0.00 0.0
October 31
 56 21 0.00 0.0
November 1940 Riverton Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
November 1
 60 18 0.00 0.0
November 2
 62 23 0.00 0.0
November 3
 50 32 0.00 0.0
November 4
 38 26 0.29 3.0
November 5
 35 7 0.00 0.0
November 6
 42 12 0.00 0.0
November 7
 45 17 0.00 0.0
November 8
 45 23 0.00 0.0
November 9
 47 18 0.00 0.0
November 10
 28 18 0.00 0.0
November 11
 27 12 0.00 0.0
November 12
 26 0 0.00 0.0
November 13
 35 -2 0.00 0.0
November 14
 39 2 0.00 0.0
November 15
 43 6 0.00 0.0
November 16
 46 10 0.00 0.0
November 17
 36 11 0.00 0.0
November 18
 41 15 0.04 0.0
November 19
 34 18 0.00 0.0
November 20
 30 -1 0.00 0.0
November 21
 36 11 0.00 0.0
November 22
 29 12 0.14 2.5
November 23
 19 -11 0.00 0.0
November 24
 17 -11 0.00 0.0
November 25
 32 4 0.04 0.5
November 26
 16 -4 0.00 0.0
November 27
 16 -8 0.00 0.0
November 28
 50 9 0.00 0.0
November 29
 58 17 0.00 0.0
November 30
 44 18 0.00 0.0
December 1940 Riverton Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
December 1
 36 8 0.00 0.0
December 2
 47 13 0.00 0.0
December 3
 48 17 0.00 0.0
December 4
 53 17 0.00 0.0
December 5
 61 21 0.00 0.0
December 6
 46 27 0.00 0.0
December 7
 50 18 0.00 0.0
December 8
 49 17 0.00 0.0
December 9
 39 19 0.00 0.0
December 10
 30 7 0.00 0.0
December 11
 26 17 0.07 1.5
December 12
 17 7 0.07 1.0
December 13
 13 -9 0.07 1.0
December 14
 10 -13 0.00 0.0
December 15
 6 -20 0.00 0.0
December 16
 8 -18 0.00 0.0
December 17
 10 -15 0.00 0.0
December 18
 20 -5 0.00 0.0
December 19
 28 -2 0.00 0.0
December 20
 32 4 0.00 0.0
December 21
 32 7 0.00 0.0
December 22
 30 5 0.00 0.0
December 23
 36 6 0.00 0.0
December 24
 40 13 0.00 0.0
December 25
 30 7 0.00 0.0
December 26
 43 7 0.00 0.0
December 27
 38 9 0.00 0.0
December 28
 40 12 0.00 0.0
December 29
 25 5 0.00 0.0
December 30
 32 7 0.00 0.0
December 31
 31 8 0.00 0.0
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