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Riverton Weather in 1991

Historical record of Riverton, Wyoming weather for the year 1991 based on NOAA data.
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1991 Riverton Weather Extremes
Highest temperature 102 °F July 15
Lowest temperature -25 °F January 29
Highest daily low 63 °F July 18
Lowest daily high 7 °F January 30
Most daily precipitation 0.8 inches May 15
Most daily snow 8.0 inches October 28
Total annual precipitation 9.5 inches -
Total annual snow 49.7 inches -
What was the hottest temperature in Riverton in 1991?
The highest temperature recorded in Riverton, Wyoming in 1991 was 102 °F which happened on July 15.
Highest Temperatures: All-Time By Year
Highest Temperatures in Riverton in 1991
Rank Temperature Date
1 102 °F Jul 15
2 100 °F Jul 18
2 100 °F Jul 7
4 98 °F Aug 26
4 98 °F Jul 17
4 98 °F Jul 16
4 98 °F Jul 14
4 98 °F Jul 5
4 98 °F Jul 4
10 97 °F Jul 6
What was the coldest temperature in Riverton in 1991?
The lowest temperature recorded in Riverton, Wyoming in 1991 was -25 °F which happened on Jan 29.
Lowest Temperatures: All-Time By Year
Lowest Temperatures in Riverton in 1991
Rank Temperature Date
1 -25 °F January 29
2 -23 °F January 30
3 -19 °F November 3
4 -18 °F December 1
5 -16 °F December 2
5 -16 °F January 26
7 -15 °F January 27
8 -13 °F November 2
9 -12 °F November 4
9 -12 °F January 8
January 1991 Riverton Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
January 1
 20 -9 0.00 0.0
January 2
 42 8 0.00 0.0
January 3
 25 -5 0.00 0.0
January 4
 18 -5 0.00 0.0
January 5
 14 -8 0.00 0.0
January 6
 10 -11 0.00 0.0
January 7
 16 -8 0.00 0.0
January 8
 19 -12 0.00 0.0
January 9
 31 -4 0.00 0.0
January 10
 24 -7 0.00 0.0
January 11
 23 -7 0.00 0.0
January 12
 26 -4 0.00 0.0
January 13
 43 1 0.00 0.0
January 14
 48 19 0.00 0.0
January 15
 44 16 0.00 0.0
January 16
 39 12 0.00 0.0
January 17
 41 9 0.00 0.0
January 18
 33 5 0.00 0.0
January 19
 35 8 0.00 0.0
January 20
 23 0 0.06 2.5
January 21
 25 -8 0.00 0.0
January 22
 21 -4 0.00 0.0
January 23
 29 0 0.00 0.0
January 24
 28 -5 0.00 0.0
January 25
 23 -6 0.00 0.0
January 26
 17 -16 0.00 0.0
January 27
 27 -15 0.00 0.0
January 28
 38 -2 0.00 0.0
January 29
 20 -25 0.07 2.0
January 30
 7 -23 0.00 0.0
January 31
 31 -8 0.00 0.0
February 1991 Riverton Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
February 1
 43 9 0.00 0.0
February 2
 50 4 0.00 0.0
February 3
 39 4 0.00 0.0
February 4
 47 12 0.00 0.0
February 5
 42 12 0.00 0.0
February 6
 40 15 0.00 0.0
February 7
 45 13 0.00 0.0
February 8
 40 10 0.00 0.0
February 9
 43 13 0.00 0.0
February 10
 44 14 0.00 0.0
February 11
 46 12 0.00 0.0
February 12
 47 17 0.00 0.0
February 13
 53 20 0.00 0.0
February 14
 46 17 0.00 0.0
February 15
 44 15 0.00 0.0
February 16
 45 18 0.00 0.0
February 17
 51 23 0.00 0.0
February 18
 34 21 0.00 0.0
February 19
 42 12 0.00 0.0
February 20
 51 15 0.00 0.0
February 21
 59 27 0.00 0.0
February 22
 58 23 0.00 0.0
February 23
 55 24 0.00 0.0
February 24
 41 18 0.00 0.0
February 25
 35 14 0.00 0.0
February 26
 42 12 0.00 0.0
February 27
 48 13 0.00 0.0
February 28
 47 11 0.00 0.0
March 1991 Riverton Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
March 1
 45 18 0.00 0.0
March 2
 39 20 0.00 0.0
March 3
 42 21 0.00 0.0
March 4
 58 26 0.00 0.0
March 5
 59 29 0.13 0.0
March 6
 50 18 0.00 0.0
March 7
 34 15 0.00 0.0
March 8
 43 20 0.00 0.0
March 9
 42 9 0.00 0.0
March 10
 57 18 0.00 0.0
March 11
 60 23 0.00 0.0
March 12
 57 15 0.00 0.0
March 13
 50 15 0.00 0.0
March 14
 51 15 0.00 0.0
March 15
 50 22 0.00 0.0
March 16
 50 17 0.00 0.0
March 17
 51 20 0.00 0.0
March 18
 54 20 0.00 0.0
March 19
 60 17 0.00 0.0
March 20
 57 27 0.00 0.0
March 21
 50 16 0.00 0.0
March 22
 54 21 0.00 0.0
March 23
 54 17 0.00 0.0
March 24
 54 23 0.00 0.0
March 25
 60 17 0.00 0.0
March 26
 62 33 0.00 0.0
March 27
 53 18 0.00 0.0
March 28
 50 29 0.00 0.0
March 29
 58 25 0.06 2.0
March 30
 45 19 0.00 0.0
March 31
 58 26 0.00 0.0
April 1991 Riverton Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
April 1
 67 27 0.00 0.0
April 2
 68 29 0.00 0.0
April 3
 71 43 0.00 0.0
April 4
 67 30 0.00 0.0
April 5
 73 40 0.00 0.0
April 6
 77 38 0.00 0.0
April 7
 78 40 0.00 0.0
April 8
 58 18 0.00 0.0
April 9
 49 13 0.00 0.0
April 10
 59 20 0.00 0.0
April 11
 37 25 0.05 1.0
April 12
 35 25 0.46 6.0
April 13
 33 26 0.10 4.0
April 14
 35 20 0.00 0.0
April 15
 44 24 0.00 0.0
April 16
 50 28 0.00 0.0
April 17
 53 33 0.00 0.0
April 18
 56 30 0.27 1.5
April 19
 43 31 0.00 0.0
April 20
 52 26 0.00 0.0
April 21
 58 30 0.00 0.0
April 22
 59 28 0.00 0.0
April 23
 62 29 0.00 0.0
April 24
 69 31 0.00 0.0
April 25
 72 37 0.00 0.0
April 26
 65 30 0.51 3.0
April 27
 42 20 0.39 n/a
April 28
 50 32 0.00 0.0
April 29
 52 26 0.00 0.0
April 30
 50 30 0.00 0.0
May 1991 Riverton Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
May 1
 53 23 0.00 0.0
May 2
 60 33 0.00 0.0
May 3
 47 28 0.20 3.0
May 4
 45 28 0.00 0.0
May 5
 49 26 0.00 0.0
May 6
 63 35 0.00 0.0
May 7
 66 39 0.05 0.0
May 8
 67 38 0.00 0.0
May 9
 83 48 0.00 0.0
May 10
 81 45 0.00 0.0
May 11
 57 46 0.00 0.0
May 12
 62 39 0.37 0.0
May 13
 63 33 0.00 0.0
May 14
 71 38 0.00 0.0
May 15
 76 45 0.82 0.0
May 16
 53 45 0.12 0.0
May 17
 61 44 0.03 0.0
May 18
 67 48 0.25 0.0
May 19
 79 40 0.00 0.0
May 20
 82 42 0.00 0.0
May 21
 83 39 0.00 0.0
May 22
 84 52 0.00 0.0
May 23
 66 41 0.06 0.0
May 24
 71 48 0.00 0.0
May 25
 77 44 0.00 0.0
May 26
 74 46 0.00 0.0
May 27
 70 43 0.00 0.0
May 28
 52 36 0.36 0.0
May 29
 70 35 0.00 0.0
May 30
 69 40 0.00 0.0
May 31
 72 45 0.59 0.0
June 1991 Riverton Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
June 1
 53 44 0.00 0.0
June 2
 68 52 0.55 0.0
June 3
 71 47 0.00 0.0
June 4
 72 45 0.00 0.0
June 5
 79 50 0.12 0.0
June 6
 80 47 0.09 0.0
June 7
 70 43 0.07 0.0
June 8
 83 46 0.00 0.0
June 9
 83 43 0.00 0.0
June 10
 81 50 0.00 0.0
June 11
 85 47 0.00 0.0
June 12
 91 51 0.00 0.0
June 13
 92 60 0.00 0.0
June 14
 84 53 0.15 0.0
June 15
 80 37 0.00 0.0
June 16
 81 49 0.00 0.0
June 17
 88 51 0.00 0.0
June 18
 86 49 0.00 0.0
June 19
 83 56 0.00 0.0
June 20
 92 52 0.00 0.0
June 21
 89 53 0.00 0.0
June 22
 85 57 0.00 0.0
June 23
 76 43 0.00 0.0
June 24
 90 41 0.00 0.0
June 25
 92 46 0.00 0.0
June 26
 85 40 0.00 0.0
June 27
 80 39 0.00 0.0
June 28
 79 n/a 0.04 0.0
June 29
 86 n/a 0.00 0.0
June 30
 93 n/a 0.00 0.0
July 1991 Riverton Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
July 1
 83 46 0.00 0.0
July 2
 83 43 0.00 0.0
July 3
 83 45 0.00 0.0
July 4
 98 52 0.00 0.0
July 5
 98 52 0.00 0.0
July 6
 97 53 0.00 0.0
July 7
 100 57 0.00 0.0
July 8
 83 56 0.00 0.0
July 9
 87 57 0.00 0.0
July 10
 89 56 0.00 0.0
July 11
 89 49 0.03 0.0
July 12
 89 52 0.00 0.0
July 13
 91 51 0.00 0.0
July 14
 98 55 0.00 0.0
July 15
 102 63 0.00 0.0
July 16
 98 54 0.00 0.0
July 17
 98 52 0.00 0.0
July 18
 100 63 0.00 0.0
July 19
 94 50 0.00 0.0
July 20
 87 52 0.00 0.0
July 21
 94 49 0.00 0.0
July 22
 95 61 0.00 0.0
July 23
 86 56 0.00 0.0
July 24
 85 52 0.27 0.0
July 25
 69 48 0.71 0.0
July 26
 80 47 0.00 0.0
July 27
 85 50 0.00 0.0
July 28
 91 54 0.00 0.0
July 29
 93 54 0.00 0.0
July 30
 95 53 0.00 0.0
July 31
 95 48 0.00 0.0
August 1991 Riverton Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
August 1
 95 62 0.03 0.0
August 2
 88 49 0.00 0.0
August 3
 83 59 0.00 0.0
August 4
 84 57 0.00 0.0
August 5
 81 52 0.05 0.0
August 6
 86 50 0.00 0.0
August 7
 83 48 0.00 0.0
August 8
 90 48 0.00 0.0
August 9
 91 48 0.00 0.0
August 10
 94 51 0.00 0.0
August 11
 94 52 0.00 0.0
August 12
 94 57 0.00 0.0
August 13
 87 48 0.00 0.0
August 14
 91 50 0.00 0.0
August 15
 93 55 0.00 0.0
August 16
 81 48 0.05 0.0
August 17
 84 51 0.00 0.0
August 18
 86 43 0.00 0.0
August 19
 88 52 0.00 0.0
August 20
 85 55 0.00 0.0
August 21
 90 50 0.00 0.0
August 22
 95 52 0.00 0.0
August 23
 92 48 0.00 0.0
August 24
 88 58 0.00 0.0
August 25
 95 52 0.00 0.0
August 26
 98 n/a 0.04 0.0
August 27
 88 49 0.00 0.0
August 28
 90 53 0.00 0.0
August 29
 87 44 0.00 0.0
August 30
 86 41 0.00 0.0
August 31
 93 47 0.00 0.0
September 1991 Riverton Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
September 1
 96 51 0.00 0.0
September 2
 94 52 0.00 0.0
September 3
 93 51 0.00 0.0
September 4
 94 43 0.00 0.0
September 5
 84 45 0.00 0.0
September 6
 85 49 0.00 0.0
September 7
 82 52 0.00 0.0
September 8
 77 56 0.00 0.0
September 9
 67 47 0.32 0.0
September 10
 75 47 0.18 0.0
September 11
 71 44 0.05 0.0
September 12
 76 40 0.00 0.0
September 13
 75 42 0.00 0.0
September 14
 78 45 0.00 0.0
September 15
 58 39 0.10 0.0
September 16
 65 31 0.00 0.0
September 17
 70 n/a 0.00 0.0
September 18
 52 38 0.00 0.0
September 19
 62 29 0.00 0.0
September 20
 71 34 0.00 0.0
September 21
 83 n/a 0.00 0.0
September 22
 77 40 0.00 0.0
September 23
 60 33 0.00 0.0
September 24
 59 27 0.00 0.0
September 25
 70 32 0.00 0.0
September 26
 76 34 0.00 0.0
September 27
 79 33 0.00 0.0
September 28
 80 36 0.00 0.0
September 29
 79 n/a 0.00 0.0
September 30
 76 40 0.00 0.0
October 1991 Riverton Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
October 1
 79 42 0.00 0.0
October 2
 82 40 0.00 0.0
October 3
 78 37 0.00 0.0
October 4
 66 27 0.00 0.0
October 5
 51 18 0.00 0.0
October 6
 58 22 0.00 0.0
October 7
 69 25 0.00 0.0
October 8
 83 31 0.00 0.0
October 9
 75 30 0.00 0.0
October 10
 75 32 0.00 0.0
October 11
 78 32 0.00 0.0
October 12
 83 34 0.00 0.0
October 13
 82 34 0.00 0.0
October 14
 68 28 0.00 0.0
October 15
 73 29 0.00 0.0
October 16
 81 31 0.00 0.0
October 17
 85 32 0.00 0.0
October 18
 73 32 0.00 0.0
October 19
 60 32 0.00 0.0
October 20
 63 24 0.00 0.0
October 21
 67 30 0.00 0.0
October 22
 72 30 0.00 0.0
October 23
 69 31 0.12 0.0
October 24
 45 18 0.00 0.0
October 25
 49 19 0.00 0.0
October 26
 50 22 0.00 0.0
October 27
 68 24 0.00 0.0
October 28
 53 12 0.38 8.0
October 29
 23 9 0.06 0.7
October 30
 26 6 0.01 0.5
October 31
 20 -2 0.00 0.0
November 1991 Riverton Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
November 1
 23 1 0.05 3.0
November 2
 18 -13 0.00 0.0
November 3
 21 -19 0.00 0.0
November 4
 13 -12 0.00 0.0
November 5
 24 4 0.00 0.0
November 6
 45 22 0.00 0.0
November 7
 42 15 0.00 0.0
November 8
 41 15 0.00 0.0
November 9
 40 21 0.00 0.0
November 10
 39 26 0.04 0.0
November 11
 44 19 0.00 0.0
November 12
 47 22 0.00 0.0
November 13
 51 26 0.00 0.0
November 14
 53 28 0.00 0.0
November 15
 35 26 0.42 3.5
November 16
 35 10 0.00 0.0
November 17
 35 6 0.00 0.0
November 18
 31 10 0.00 0.0
November 19
 36 11 0.00 0.0
November 20
 42 14 0.00 0.0
November 21
 43 17 0.00 0.0
November 22
 40 17 0.00 0.0
November 23
 33 1 0.00 0.0
November 24
 31 12 0.00 0.0
November 25
 28 11 0.00 0.0
November 26
 40 15 0.00 0.0
November 27
 42 18 0.00 0.0
November 28
 36 20 0.25 4.0
November 29
 33 10 0.06 1.0
November 30
 23 -10 0.00 0.0
December 1991 Riverton Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
December 1
 15 -18 0.00 0.0
December 2
 9 -16 0.00 0.0
December 3
 22 -2 0.00 0.0
December 4
 24 1 0.00 0.0
December 5
 31 8 0.00 0.0
December 6
 32 10 0.00 0.0
December 7
 49 19 0.00 0.0
December 8
 46 15 0.15 2.0
December 9
 39 11 0.00 0.0
December 10
 42 8 0.00 0.0
December 11
 42 2 0.00 0.0
December 12
 21 4 0.00 0.0
December 13
 42 15 0.00 0.0
December 14
 34 3 0.00 0.0
December 15
 39 4 0.00 0.0
December 16
 29 1 0.00 0.0
December 17
 32 3 0.00 0.0
December 18
 30 0 0.00 0.0
December 19
 29 1 0.00 0.0
December 20
 30 18 0.15 2.0
December 21
 32 -1 0.00 0.0
December 22
 19 -2 0.00 0.0
December 23
 13 -9 0.00 0.0
December 24
 17 -8 0.00 0.0
December 25
 18 -8 0.00 0.0
December 26
 18 -10 0.00 0.0
December 27
 18 -10 0.00 0.0
December 28
 15 -10 0.00 0.0
December 29
 13 -8 0.00 0.0
December 30
 20 -11 0.00 0.0
December 31
 17 -10 0.00 0.0
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