ROCK SPRINGS AP, WY

Average of Minimum Temperature (Degrees Fahrenheit)

(487845)

File last updated on April 16, 2024
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)JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDECANN
194812.48 11.93 14.39 29.03 37.97 46.93 52.87 51.97 46.00 30.68 15.77 8.17a29.85
1949-4.26 8.00 23.52 32.63 39.84 45.73 53.26 51.58 42.67 28.45 28.60 13.00 30.25
19508.55 12.25 20.06 26.90 32.23 42.40 49.97 48.84 41.90 36.26 23.07 21.52 30.33
19518.32 18.11 17.10 26.70 38.10 41.73 52.68 50.84 40.17 31.35 16.63 10.48 29.35
19529.29 9.48 14.84 31.63 39.06 48.37 53.00 52.35 44.93 34.58 13.43 12.74 30.31
195321.84 16.29 22.48 25.07 32.74 47.13 56.87 52.45 44.83 33.87 25.63 15.16 32.86
195416.84 21.43 17.39 31.87 38.81 44.87 56.19 51.58 44.27 32.29 25.63 7.84 32.42
19557.74 10.14 14.94 25.13 37.55 44.23 54.00 55.00 43.77 33.32 17.33 18.87 30.17
195614.32 7.14 19.58 28.57 41.39 50.27 54.16 50.16 43.60 31.58 18.80 16.90 31.37
19573.71 22.61 22.29 27.23 37.52 46.27 53.55 52.16 40.40 33.03 15.60 15.61 30.83
19586.26 19.89 18.13 25.73 42.35 47.10 50.29 54.68 43.27 32.10 22.03 22.23 32.00
195911.65 13.29 20.10 28.37 35.06 49.57 54.58 52.42 42.47 31.65 20.87 15.00 31.25
19609.23 6.03 21.13 30.50 38.39 48.40 56.74 50.06 45.47 32.45 21.30 9.10 30.73
196112.06 17.39 21.45 27.50 38.74 49.97 53.97 53.32 36.07 28.84 16.33 10.03 30.47
19623.48 18.11 13.42 31.93 38.68 45.80 52.32 50.65 43.07 35.03 24.57 16.97 31.17
19634.35 20.54 19.26 26.50 40.23 45.73 54.03 53.81 47.13 38.84 24.07 14.68 32.43
19649.19 8.17 12.39 26.93 37.23 44.37 57.48 50.35 41.57 33.45 19.40 13.23 29.48
196516.03 14.96 11.39 30.33 34.97 44.23 53.71 50.71 35.33 35.55 26.30 13.32 30.57
19669.42 10.29 19.52 25.80 36.81 42.57 53.48 49.42 43.30 27.81 24.40 13.23 29.67
196717.39 16.00 22.03 25.17 34.55 43.30 51.19 49.84 42.10 31.58 18.30 4.90 29.70
19689.45 16.03 21.61 24.00 32.97 43.73 50.06 46.90 38.53 30.45 17.10 8.68 28.29
196916.13 9.21 12.55 30.20 39.94 41.97 51.87 54.16 44.53 25.48 19.00 13.74 29.90
197015.13 17.75 17.97 23.23 36.81 44.07 51.48 53.06 34.43 25.61 22.07 10.06 29.31
197118.71 15.82 18.35 27.47 36.13 44.43 49.42 52.52 35.20 28.19 15.03 7.13 29.03
197210.32 15.34 25.74 27.93 36.00 47.20 49.13 49.74 41.10 32.68 19.60 5.13 29.99
19731.58 4.18 20.19 24.93 36.19 45.17 50.29 51.45 39.30 32.48 19.07 15.03 28.32
19746.77 11.07 24.87 28.43 36.19 46.83 52.61 46.35 38.03 32.68 20.70 11.48 29.67
197510.90 14.86 20.10 22.90 32.48 40.77 53.10 46.06 38.30 28.61 16.00 16.13 28.35
197613.00 13.34 17.58 28.17 37.42 42.67 52.84 47.84 41.63 27.74 19.13 13.35 29.56
197711.13 17.36 16.13 31.07 35.23 49.63 52.45 49.32 40.00 31.23 20.70 18.81 31.09
197815.13 16.61 26.19 29.57 34.23 45.73 51.39 48.06 40.43 32.68 15.17 3.61 29.90
1979-2.26 14.58b24.03 29.83 38.10 45.20 52.61 51.35 45.03 32.87 13.40 14.19 29.91
19809.74 16.62 22.29 29.23 38.32 46.63 53.94 48.77 42.90 32.10 21.17 22.48 32.02
198115.39 17.07 23.90 32.63 37.65 47.70 53.00 50.26 44.53 29.10 23.37 19.19 32.82
198213.48 12.89 -----z-----z-----z-----z-----z-----z-----z-----z-----z-----z13.19j
1983-----z-----z-----z-----z-----z-----z-----z-----z47.75n-----z20.60 7.77 14.19j
198410.65 11.24 22.71 26.00 38.03 43.73 53.58 54.19 40.43 28.23 21.27 8.42 29.87
19854.65 10.50 21.81 34.00 41.77 49.10 57.74 50.16 38.30 30.35 16.53 13.06 30.67
198615.65 20.86 28.55 30.60 35.81 50.20 51.00 -----z38.80 31.32 21.43 11.32 30.50a
19878.58 17.93 20.26 32.33 40.94 48.27 52.00 48.77 42.13 33.00 21.10 12.03 31.45
198810.90 17.97 19.71 30.43 37.32 51.90 56.48 51.68 42.20 37.48 21.30 9.81 32.27
198910.71 2.64 24.55 31.97 37.29 44.83 55.00 50.16 41.77 32.58 25.10 13.03 30.80
199015.45 13.89 23.55 32.60 35.03 47.33 53.81 51.55 47.93 31.81 22.27 4.65 31.66
19919.42 19.93 22.35 27.50 36.74 47.37 52.58 52.42 43.07 32.65 19.93 7.68 30.97
19928.81 19.66 28.45 35.07 42.65 46.63 50.81 52.03 42.53 35.35 18.37 8.77 32.43
19937.29 4.04 24.61 28.33 39.48 42.87 46.74 48.45 41.47 31.32 16.27 14.19 28.76
199418.16 12.12b25.47a30.20 41.00 48.37 52.45 53.39 44.10 32.13 17.00 15.58 32.50
199512.45 21.25 23.19 27.53 34.03b42.93 50.84 52.65 42.43 30.61 26.77 17.94 31.89
199611.68 16.41 20.97a28.77 37.90 47.87 53.84 52.03 40.47 30.45 23.97a16.58 31.74
199712.97 14.48a23.48 24.87 38.23 48.33 51.97 52.81 45.53 31.65 19.40 9.32 31.09
199817.35 16.39 19.84 28.90 38.23 41.53 55.94 53.58 48.07 34.16 25.03 12.77 32.65
199917.97 16.93 24.58 26.87 35.58 45.43 54.71 53.68 39.73 33.35 25.33 14.68 32.40
200016.77 20.72 22.94 31.87 40.52 46.03 54.77 55.58 39.97 33.26 12.50 12.13 32.25
200111.37a11.86 24.35 31.27 39.06 46.87 55.90 53.71 45.97 32.29 22.03 9.87 32.05
200211.52 11.07 17.77 28.73 36.48 47.77 57.35 51.19 43.63 28.06 19.57 17.16 30.86
200322.71 13.93 24.97 30.77 38.87 45.27 58.16 56.42 42.97 35.90 17.23 14.97 33.51
20047.81 9.90 25.39 31.63 38.71 45.77 52.71 50.55 42.83 35.00 22.87 18.42 31.80
200519.26 14.29 23.19 27.87 37.19 43.63 54.32 50.19 41.60 35.19 23.20 12.35 31.86
200614.94 11.75 20.58 30.17 38.39 49.30 57.81 52.00 40.90 30.58 21.97 13.29 31.81
20073.61 19.25 27.29 30.00 38.29 48.67 57.74 54.81 43.70 34.81 23.67 10.48 32.69
20084.00 13.97 19.74 24.03 35.19 44.73 55.26 51.74 41.13 32.16 25.37 12.19 29.96
200915.19 17.18 20.48 28.80 39.77 43.97 52.55 49.97 45.10 27.13 21.60 6.94 30.72
201011.39 14.82 21.94 28.10 32.39 45.80 53.35 50.71 42.90 35.13 19.30 17.03 31.07
201113.81j11.21 24.39 27.63 34.19 44.70 54.65 54.42 45.10 36.21b18.57 13.00 33.10a
201218.19 16.62 27.68 32.43 38.58 48.67 56.90 56.13 46.17 32.19 26.83 13.61 34.50
20138.40a15.75 23.94 25.20 39.52 49.53 56.42 55.52 47.17 31.06 21.87 12.07a32.20
201417.68 17.64 24.71 29.80 40.26 45.60 55.55 51.81 44.53 35.26 20.20 15.81 33.24
201521.00 20.82 25.87a30.07 38.13 51.40 53.00 51.61 47.13 40.03 18.83 11.48 34.11
201610.10 21.48 26.06 32.87 35.97 50.73 54.26 50.48 44.13 34.87 24.33 10.19 32.96
20176.45 18.46 30.16 31.03 38.10 47.53 57.03 52.19 42.90 27.97 26.63 18.65 33.09
201818.48 15.96 24.29 29.00 40.94 48.30 55.26 52.65 44.47 31.68 19.87 8.87 32.48
201910.58 9.11 17.35 31.47 34.16 44.37 54.00 52.77 44.47 23.03 20.73 9.84 29.32
202014.94 11.31 24.35 26.60 38.19 46.33 53.87 54.00 41.47 31.42 21.03 12.19 31.31
202114.53a12.00 22.26 26.00 37.06 51.80 57.61 51.84 44.13 33.29 27.67 17.87 33.01
202213.52 11.68 21.35 26.37 34.53a46.47 57.45 55.16 47.23 32.68 16.10 9.88g32.96a
202310.29 7.25 15.16 24.87 41.23 46.37 54.74 53.94 45.60 33.48 24.70 16.65 31.19
202413.71 18.86 23.87 29.47o-----z-----z-----z-----z-----z-----z-----z-----z18.81i
Period of Record Statistics
MEAN11.62 14.45 21.48 28.73 37.51 46.31 53.77 51.71 42.57 32.08 20.77 12.90 31.13
S.D.5.26 4.51 4.00 2.74 2.44 2.58 2.39 2.25 2.97 3.00 3.68 4.15 1.42
SKEW-0.42 -0.44 -0.46 -0.04 -0.20 0.09 -0.18 -0.22 -0.57 -0.27 -0.06 0.05 0.03
MAX22.71 22.61 30.16 35.07 42.65 51.90 58.16 56.42 48.07 40.03 28.60 22.48 34.50
MIN-4.26 2.64 11.39 22.90 32.23 40.77 46.74 46.06 34.43 23.03 12.50 3.61 28.29
YRS75 76 75 74 74 74 74 73 74 74 75 74 71