CHEYENNE HORT F STN, WYOMING

Monthly Total Heating Degree Days

(481680)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 195708
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.
Months with 5 missing days or less use mean for missing day(s)
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
1935 1012.00 894.96 a 899.00 a 817.50 636.50 223.00 16.02 a 33.50 236.00 618.50 976.50 1083.50 7446.98
1936 1261.38 b 1328.63 b 969.00 703.50 328.00 113.00 12.50 50.50 218.50 638.50 852.00 1089.00 7564.51
1937 0.00 z 1078.52 a 1095.00 768.50 416.50 281.00 18.50 10.50 185.50 559.50 929.00 1215.50 6558.02
1938 1188.00 1010.00 919.50 736.50 510.98 a 168.50 42.00 26.50 221.50 541.50 1050.52 a 1214.50 7630.00
1939 1183.50 1318.50 1017.00 720.50 374.00 164.50 4.00 77.00 192.50 526.50 829.50 938.00 7345.50
1940 1483.35 a 1124.50 893.00 704.50 393.00 123.21 b 28.93 a 40.50 159.83 a 464.50 1018.45 a 1042.24 b 7476.01
1941 1081.00 946.81 a 1070.53 a 747.50 368.50 237.41 a 43.40 a 60.00 316.00 630.00 796.03 a 1049.50 7346.70
1942 1282.50 1264.50 1091.00 616.00 555.93 a 247.76 a 41.00 58.00 311.00 586.00 867.00 1074.00 7994.69
1943 1185.00 922.50 1152.50 516.43 b 519.77 a 188.00 16.50 5.50 224.00 530.10 a 882.00 1100.00 7242.30
1944 1189.50 1134.50 1178.00 856.00 458.50 220.00 29.50 50.00 260.17 a 509.00 881.00 1192.43 b 7958.60
1945 1131.50 c 1079.56 a 937.75 a 947.68 b 519.50 331.00 52.50 39.86 c 333.89 c 524.93 a 760.38 d 1313.76 b 7972.31
1946 821.50 g 929.00 798.50 452.50 591.50 185.00 21.00 81.63 a 296.50 681.00 994.00 992.00 6022.63
1947 1198.00 1180.50 1105.15 a 757.76 a 473.50 278.50 38.50 31.00 0.00 z 408.96 e 1093.80 e 1119.32 c 7684.99
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 37.00 149.00 595.00 1032.00 1254.00 3067.00
1949 1599.82 c 1145.50 1032.50 650.00 429.50 211.00 27.50 27.50 229.00 681.50 623.50 1151.00 7808.32
1950 1232.54 d 886.50 995.21 b 741.00 599.00 199.00 107.50 102.50 310.50 414.50 919.62 d 983.00 7490.86
1951 1284.00 955.50 1069.00 782.50 403.00 b 329.00 53.50 64.00 288.50 636.50 964.44 c 1247.48 b 8077.43
1952 1146.00 1039.00 1134.00 667.50 418.00 36.00 51.50 28.50 155.50 492.50 969.00 e 1045.65 e 7183.15
1953 916.10 b 1040.67 a 846.09 b 847.00 527.00 128.50 10.00 29.00 121.00 468.00 776.50 1148.00 6857.86
1954 985.36 c 735.50 1140.00 535.00 431.00 134.50 6.00 28.00 137.50 506.00 703.50 1001.00 6343.36
1955 1223.50 1122.59 a 1118.50 646.03 a 367.50 305.50 1.50 s 36.00 239.00 0.00 z 0.00 z 0.00 z 5058.63
1956 0.00 z 0.00 z 1020.62 e 0.00 z 0.00 z 36.50 35.00 0.00 z 226.50 0.00 z 707.50 k 0.00 z 1318.62
1957 1541.00 908.50 1016.80 a 846.50 539.50 0.00 z 0.00 z 33.58 a 0.00 z 0.00 z 0.00 z 0.00 z 4885.88
Period of Record Statistics
MEAN 1217.06 1049.82 1022.67 717.16 469.56 197.19 32.77 43.21 229.14 550.65 895.94 1112.69 7483.66
S.D. 175.54 152.24 105.26 120.96 86.80 84.06 23.48 23.17 63.72 81.15 122.65 102.47 453.96
SKEW 0.61 0.11 -0.48 -0.40 0.25 -0.23 1.53 0.82 0.00 -0.03 -0.44 0.22 -0.86
MAX 1599.82 1328.63 1178.00 947.68 636.50 331.00 107.50 102.50 333.89 681.50 1093.80 1313.76 8077.43
MIN 916.10 735.50 798.50 452.50 328.00 36.00 4.00 5.50 121.00 408.96 623.50 938.00 6343.36
NO YRS 19 21 22 21 21 21 20 22 21 20 20 20 16