ROCK SPRINGS FAA AP, WYOMING

Monthly Average Maximum Temperature (Degrees Fahrenheit)

(487845)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201303
a = 1 day missing, b = 2 days missing, c = 3 days, ..etc..,
z = 26 or more days missing, A = Accumulations present
Long-term means based on columns; thus, the monthly row may not
sum (or average) to the long-term annual value.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
Individual Months not used for annual or monthly statistics if more than 5 days are missing.
Individual Years not used for annual statistics if any month in that year has more than 5 days missing.
YEAR(S) JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
1948 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 83.10 75.87 59.74 33.03 25.10 55.37
1949 14.52 27.68 41.35 58.43 63.03 71.53 82.45 82.03 72.27 48.45 52.77 30.97 53.79
1950 26.97 32.39 37.48 52.23 58.27 a 74.47 79.00 80.16 66.93 64.23 43.40 36.94 54.37
1951 27.26 36.39 37.77 51.50 62.53 a 67.20 83.00 78.29 71.57 52.87 38.53 27.90 52.90
1952 26.00 29.24 31.84 54.17 63.84 76.03 81.81 80.84 75.73 65.48 35.57 30.16 54.23
1953 38.13 34.36 45.71 49.07 57.10 77.00 85.77 80.32 75.27 58.74 45.80 32.26 56.63
1954 36.55 43.32 38.90 58.10 67.35 74.47 85.90 81.29 73.63 59.55 48.17 31.45 58.22
1955 26.58 28.86 35.55 50.73 64.77 71.57 84.39 82.77 72.50 60.81 37.30 34.42 54.19
1956 33.35 28.00 43.23 54.03 67.39 79.60 81.94 79.77 75.70 58.90 38.73 35.03 56.31
1957 23.94 40.54 43.81 48.30 58.84 71.70 81.97 80.58 70.30 55.61 31.66 a 34.10 53.44
1958 26.06 38.46 36.61 48.07 69.74 77.43 80.58 83.45 72.03 60.87 42.40 37.68 56.12
1959 31.00 30.93 38.65 52.30 57.74 76.73 83.19 78.68 64.37 54.58 43.20 36.42 53.98
1960 25.00 23.03 39.97 55.17 63.58 76.10 83.84 80.39 72.70 55.71 36.87 27.48 53.32
1961 33.03 34.18 40.45 50.40 64.06 78.17 80.97 78.19 58.40 50.52 33.13 24.26 52.15
1962 22.16 31.57 32.13 54.63 60.00 70.13 78.00 77.81 70.47 60.29 45.70 36.26 53.26
1963 25.06 39.36 40.26 45.73 64.61 70.60 81.26 78.06 71.40 61.55 42.20 31.68 54.31
1964 27.06 25.55 31.61 45.20 60.29 67.07 ----- z 76.58 68.60 59.42 36.13 27.94 47.77
1965 29.00 32.11 33.94 49.93 56.94 66.90 77.81 75.52 58.30 61.29 44.53 31.10 51.45
1966 25.23 27.25 42.87 52.27 69.74 75.10 87.13 81.45 73.53 55.55 46.30 32.00 55.70
1967 34.97 37.50 45.52 52.33 60.52 69.30 85.39 85.19 73.83 60.74 43.20 24.26 56.06
1968 30.48 36.41 46.16 47.60 61.77 75.00 85.52 75.90 70.13 60.42 40.90 31.03 55.11
1969 36.74 32.50 35.55 56.17 72.42 68.77 85.19 86.52 76.50 46.39 45.50 36.06 56.53
1970 32.68 43.61 39.32 46.87 66.16 74.57 84.19 87.16 68.07 51.45 41.80 30.61 55.54
1971 33.58 36.39 42.29 55.30 62.94 77.10 84.52 87.35 67.47 53.26 34.87 24.77 54.99
1972 27.58 33.86 50.00 54.83 66.71 76.40 83.06 82.26 70.23 54.94 37.80 27.13 55.40
1973 22.87 29.11 38.65 46.80 66.39 76.17 80.94 83.61 67.93 61.26 41.03 34.97 54.14
1974 27.52 33.61 46.13 52.77 67.81 80.87 85.19 82.52 73.07 62.03 45.30 32.35 57.43
1975 31.61 36.32 42.71 46.97 60.13 70.20 84.32 80.68 72.67 58.45 42.80 35.94 55.23
1976 33.35 38.00 42.26 54.30 67.03 73.83 86.58 80.06 73.23 58.77 47.00 39.45 57.82
1977 33.77 44.21 39.52 60.27 63.84 84.47 83.81 79.39 72.03 61.74 43.33 36.35 58.56
1978 33.03 38.32 48.97 52.93 59.29 74.47 83.94 77.81 69.60 60.90 33.93 21.45 54.55
1979 15.81 34.00 a 40.94 53.67 61.71 74.67 83.58 77.00 75.77 59.06 33.37 33.16 53.56
1980 25.10 33.31 36.84 51.80 59.84 76.33 82.94 78.00 71.77 57.16 43.03 41.84 54.83
1981 39.23 38.86 45.26 58.37 60.23 75.97 82.03 79.90 71.83 50.39 43.63 36.00 56.81
1982 28.77 32.39 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 30.58
1983 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 74.56 n ----- z 36.97 22.81 29.89
1984 24.97 28.62 37.42 46.70 66.10 71.80 82.39 80.68 67.30 49.16 40.20 24.10 51.62
1985 21.61 28.00 44.39 59.60 69.32 76.83 84.29 81.65 64.37 55.42 32.90 28.48 53.91
1986 33.16 35.32 50.84 51.67 62.71 79.03 78.87 ----- z 64.53 55.16 41.63 33.45 53.31
1987 27.81 37.54 41.00 62.43 66.00 77.47 79.61 78.74 73.23 62.19 40.37 29.45 56.32
1988 26.84 37.41 39.87 58.97 64.74 83.10 87.71 83.16 70.00 65.84 39.27 28.61 57.13
1989 31.19 21.86 47.03 58.90 65.84 73.23 86.71 79.42 71.50 57.52 44.87 33.58 55.97
1990 35.16 34.11 46.97 58.27 62.84 77.57 83.26 82.29 76.07 57.39 42.93 24.19 56.75
1991 28.06 41.93 44.13 49.70 61.71 74.23 83.06 81.42 69.73 56.55 34.17 24.61 54.11
1992 24.65 35.55 46.35 60.30 66.06 72.83 78.10 80.81 70.40 60.06 33.37 24.97 54.45
1993 21.55 19.96 41.00 49.43 64.45 66.93 75.00 75.61 68.20 52.90 34.70 30.68 50.04
1994 34.00 29.58 b 46.90 53.73 69.52 78.77 83.84 82.90 72.10 52.32 33.20 32.35 55.77
1995 27.65 38.82 ----- z 49.23 52.84 67.53 78.87 82.42 69.30 54.29 45.70 35.87 54.77
1996 30.32 35.45 41.63 a 53.40 60.61 76.97 83.71 81.94 66.10 52.23 40.23 29.90 54.37
1997 27.26 28.67 a 44.45 45.40 65.42 74.37 79.84 78.16 67.77 55.16 39.23 23.81 52.46
1998 31.77 31.14 37.19 50.07 62.32 64.70 82.87 80.71 72.87 54.39 43.00 31.23 53.52
1999 34.29 34.89 47.52 46.21 b 58.58 71.70 81.94 79.68 66.23 62.39 51.20 ----- z 57.69
2000 32.94 38.59 43.48 57.90 66.94 76.90 85.52 83.19 67.17 a 54.68 29.48 a 29.97 55.56
2001 28.72 b 29.50 43.35 52.93 68.06 78.17 86.10 a 84.71 75.63 59.74 43.57 26.97 56.46
2002 29.03 35.21 38.87 56.90 65.68 80.00 88.65 81.68 70.60 51.42 39.03 34.45 55.96
2003 38.68 32.79 44.68 55.97 66.32 72.83 90.00 84.97 71.20 64.10 32.83 30.58 57.08
2004 24.10 25.34 48.06 55.33 65.35 73.63 83.03 77.94 69.10 54.84 38.23 36.16 54.26
2005 34.97 33.61 42.00 54.17 62.45 71.83 87.00 80.26 70.67 58.55 43.30 29.42 55.68
2006 33.61 30.86 41.32 57.63 67.58 80.83 87.52 80.97 66.97 52.45 41.40 30.35 55.96
2007 22.26 35.54 49.35 56.40 65.81 80.47 89.61 83.52 70.67 62.16 47.13 25.58 57.37
2008 22.13 29.69 36.52 49.90 61.00 73.60 86.97 82.52 69.10 56.71 46.33 31.52 53.83
2009 34.65 37.11 44.00 50.40 65.00 70.37 82.81 80.29 75.03 48.03 45.70 23.71 54.76
2010 31.39 32.14 45.39 50.90 57.03 73.97 83.94 81.23 76.37 60.87 39.23 31.23 55.31
2011 28.90 j 30.07 41.45 49.00 57.48 73.87 83.90 86.10 75.40 59.48 b 37.23 30.87 56.81
2012 37.35 34.45 53.00 60.00 68.94 82.97 87.00 86.19 75.30 57.03 48.00 30.06 60.02
2013 26.47 a 34.25 45.48 59.00 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 8.00 z 35.40
Period of Record Statistics
MEAN 29.22 33.43 42.03 52.95 63.60 74.62 83.48 81.06 70.74 57.21 40.60 30.75 55.08
S.D. 5.31 5.07 4.72 4.36 3.94 4.28 3.02 2.80 3.91 4.46 5.14 4.54 1.85
SKEW -0.33 -0.24 -0.13 0.10 -0.28 -0.09 -0.30 0.22 -0.93 -0.34 -0.07 -0.01 -0.06
MAX 39.23 44.21 53.00 62.43 72.42 84.47 90.00 87.35 76.50 65.84 52.77 41.84 60.02
MIN 14.52 19.96 31.61 45.20 52.84 64.70 75.00 75.52 58.30 46.39 29.48 21.45 50.04
NO YRS 63 64 62 62 62 62 61 62 63 63 64 63 57