CENTENNIAL 1 NE, WYOMING

Monthly Total Heating Degree Days

(481610)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 200708
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
1899 0.00 z 1447.00 1310.50 866.00 653.50 387.00 226.50 302.50 397.00 876.00 895.50 1347.00 8708.50
1900 1246.50 1232.52 a 1027.00 932.00 529.58 a 236.50 234.50 202.50 415.34 a 715.50 934.50 1247.00 8953.45
1901 1302.50 1260.50 1237.50 912.50 517.00 345.50 44.50 150.00 526.50 734.70 a 995.69 a 1443.50 9470.39
1902 1132.00 f 1149.04 a 988.00 g 937.50 570.50 183.50 70.04 d 204.71 b 387.86 b 659.02 b 1051.73 d 1182.98 c 6396.87
1903 1238.45 a 1502.50 1267.50 941.00 786.50 358.45 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 6094.40
1904 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1905 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1906 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1907 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1908 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1909 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1910 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 814.00 l 0.00
1911 1242.00 1283.50 997.50 834.00 546.00 250.00 202.00 205.12 a 302.50 827.50 1172.00 1425.50 9287.62
1912 1323.00 1271.00 1314.50 958.00 675.50 331.50 174.00 209.50 487.50 783.00 936.00 1422.00 9885.50
1913 1477.00 1364.50 1240.50 797.00 483.00 277.00 166.50 112.00 446.90 a 832.87 a 899.50 1440.00 9536.76
1914 1233.00 1218.50 1107.50 826.00 511.00 280.00 136.00 196.50 357.50 633.00 818.00 1470.50 8787.50
1915 1382.50 1073.50 1198.50 667.50 669.00 394.50 192.00 279.50 449.00 650.50 998.50 1284.00 9239.00
1916 1457.50 1104.00 978.50 815.50 620.00 293.50 99.50 225.50 404.50 772.50 1193.50 1520.50 9485.00
1917 1527.00 1206.00 1422.00 1009.00 813.50 366.50 107.00 230.78 d 348.50 759.00 875.50 1138.73 a 9803.51
1918 1509.50 1174.00 1011.50 992.50 591.50 185.69 a 138.50 169.00 411.00 691.82 a 0.00 z 1372.50 8247.51
1919 1277.50 1243.50 1127.00 837.00 549.00 246.50 32.50 125.50 307.50 873.50 1145.50 1250.50 9015.50
1920 1145.50 1206.00 1227.50 1120.00 593.50 296.00 123.00 257.50 449.50 763.00 1176.00 1345.50 9703.00
1921 1275.00 1117.50 974.50 924.00 519.50 253.00 152.00 197.50 345.00 562.00 905.00 1162.50 8387.50
1922 1465.50 1290.50 1186.00 909.00 588.00 207.00 129.00 66.50 298.50 686.50 1087.50 1236.00 9150.00
1923 1247.00 1251.50 1358.00 907.00 577.00 320.50 113.00 203.00 430.50 945.00 1106.00 1368.50 9827.00
1924 1458.00 1110.00 1504.50 945.50 663.50 278.00 136.00 127.00 419.50 718.00 1000.00 1397.00 9757.00
1925 1416.50 1063.50 1020.50 736.00 491.00 316.50 121.00 253.50 410.50 888.00 1075.56 c 1278.50 9071.06
1926 1422.00 1091.50 1213.00 797.50 525.00 285.00 174.50 157.50 453.50 642.00 1013.00 1377.00 9151.50
1927 1243.50 1179.00 1219.00 867.50 564.50 330.50 160.00 261.00 420.50 700.00 918.00 1518.50 9382.00
1928 1254.50 1247.00 1141.50 973.50 556.00 445.50 134.00 191.00 387.50 698.50 0.00 z 0.00 z 7029.00
1929 1434.50 1448.50 1216.50 961.50 663.50 308.00 69.50 108.50 483.50 722.50 1229.00 1199.50 9845.00
1930 1657.50 1015.50 1238.00 654.50 634.00 278.00 93.50 162.50 403.00 749.00 1030.00 1332.50 9248.00
1931 1245.50 1046.00 1251.50 859.00 640.50 178.00 68.50 155.00 299.00 675.00 0.00 z 1272.50 7690.50
1932 1539.67 a 1135.00 1369.50 848.50 551.00 288.00 60.97 a 121.50 376.00 775.50 963.50 1506.50 9535.63
1933 1346.00 1425.00 1086.00 966.00 686.50 165.00 44.00 178.00 273.00 540.00 893.00 1061.00 8663.50
1934 1200.50 1018.50 969.00 707.00 358.00 243.00 52.00 83.18 a 434.00 570.50 991.00 1266.00 7892.68
1935 1161.00 1055.50 0.00 z 0.00 z 784.50 0.00 z 76.00 88.00 366.00 726.50 1059.50 1223.00 6540.00
1936 1421.50 0.00 z 1156.00 0.00 z 420.50 0.00 z 0.00 z 104.00 400.50 753.50 1011.21 a 1250.00 6517.21
1937 619.50 s 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 969.50 1173.00 2142.50
1938 1218.00 1073.00 1060.00 773.00 600.00 292.50 128.00 109.00 302.00 578.50 1197.00 1252.92 a 8583.92
1939 1257.50 1374.50 1039.00 752.50 474.00 298.00 72.50 124.50 304.50 614.50 840.00 998.00 8149.50
1940 1402.50 1136.18 a 998.20 a 786.00 486.18 a 187.00 62.00 83.91 b 285.00 610.70 a 1123.27 d 1181.50 8342.44
1941 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1942 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1943 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1944 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1945 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1946 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1947 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 119.50 240.52 a 677.50 1185.00 1301.48 a 3524.00
1949 1525.89 d 1247.00 1062.50 739.00 585.50 366.72 a 145.50 131.00 370.00 789.98 a 741.72 a 1257.00 8961.82
1950 1377.50 1006.00 1173.72 b 860.00 741.42 a 322.24 a 220.21 b 214.42 a 420.50 503.23 a 1000.86 a 1092.50 8932.60
1951 1428.00 1098.00 1228.50 904.50 577.50 486.00 112.50 191.50 435.50 785.00 1112.50 1393.45 a 9752.95
1952 1335.00 1250.76 b 1350.00 822.00 605.50 232.50 148.28 a 155.50 303.50 570.92 a 1169.46 b 1262.00 9205.42
1953 1130.47 a 1228.00 1060.50 989.50 730.50 249.83 a 65.62 a 172.50 307.00 668.50 937.00 1357.50 8896.91
1954 1188.50 949.00 1255.00 534.00 i 558.00 d 301.03 a 29.00 129.17 d 301.61 b 651.60 e 891.67 c 1256.65 d 7511.22
1955 1350.57 a 1331.00 1290.50 843.10 a 566.04 d 367.00 60.89 c 63.15 d 316.11 c 656.68 a 1149.11 b 1171.00 9165.15
1956 1178.00 1365.00 1151.00 816.35 d 494.85 d 88.50 m 131.00 60.00 s 268.33 c 603.43 b 1118.00 1182.17 e 8308.14
1957 1405.50 964.50 1091.31 d 938.00 665.97 b 335.50 95.00 116.50 420.00 678.00 1166.67 c 1142.87 a 9019.81
1958 1003.50 f 979.44 c 1312.91 d 932.22 c 461.00 249.81 d 141.50 77.50 330.50 628.00 984.11 b 1136.50 7233.48
1959 1021.50 f 1189.46 b 1185.50 882.50 627.23 a 176.50 103.00 126.00 439.50 801.83 e 1104.50 638.50 m 6636.02
1960 1399.43 c 1393.81 e 484.00 o 781.55 a 588.00 258.10 a 106.50 161.72 a 301.00 713.00 c 1011.00 1269.50 7983.61
1961 1217.78 a 1098.74 a 1129.00 937.76 a 560.07 a 220.50 115.50 98.88 b 553.00 778.74 b 1114.00 1414.00 9237.97
1962 1437.22 b 1103.00 1250.50 746.50 535.00 315.00 a 145.70 a 153.50 362.50 606.50 884.00 1176.00 8715.42
1963 1522.00 1050.52 a 1151.50 822.50 471.50 257.50 51.15 a 123.50 216.21 a 475.33 a 864.00 1266.50 8272.21
1964 1439.43 a 1398.73 a 1334.11 c 897.50 529.00 352.00 19.00 188.50 374.00 640.50 1023.50 1293.98 b 9490.25
1965 1215.50 1061.50 1385.18 a 776.00 653.50 370.00 162.00 240.50 618.62 a 542.00 869.50 1122.72 a 9017.02
1966 1415.50 1190.50 1039.50 912.00 491.35 a 378.00 78.50 199.50 370.00 656.50 758.50 1231.50 8721.35
1967 1295.00 1166.00 965.50 708.50 659.00 459.00 165.50 182.50 427.50 667.00 1002.50 1354.00 9052.00
1968 973.00 954.00 898.50 898.50 653.00 193.50 40.50 201.50 338.50 0.00 z 0.00 z 0.00 z 5151.00
1969 0.00 z 0.00 z 1318.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 187.50 y 1227.00 2545.00
1970 1360.00 1046.50 1274.00 1017.50 538.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 5236.00
1971 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1972 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1973 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1974 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1975 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1976 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1977 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 145.50 120.50 203.50 328.97 a 678.00 1031.00 1243.00 3750.47
1978 1326.50 1133.00 1028.00 780.50 658.50 316.00 112.00 232.50 393.50 682.00 1064.00 1575.50 9302.00
1979 1667.50 1156.50 1099.00 836.00 654.50 296.00 102.00 215.50 320.00 673.50 1295.00 1157.00 9472.50
1980 1392.50 1105.00 1186.00 932.00 621.50 246.00 84.50 212.50 354.50 764.00 1004.50 951.00 8854.00
1981 1135.00 1072.00 1111.50 654.50 641.00 231.00 115.00 185.50 327.50 776.00 909.00 1217.50 8375.50
1982 1378.00 1199.50 1087.00 923.50 634.00 392.00 159.50 108.00 443.50 792.50 1120.00 1289.50 9527.00
1983 1167.00 1074.50 1143.00 1087.00 722.50 394.00 131.50 123.50 326.50 657.00 1045.86 a 1449.85 e 9322.21
1984 1382.00 1187.50 1154.50 1007.50 502.50 313.50 107.50 144.50 424.50 912.50 991.03 a 1255.00 9382.53
1985 1421.35 a 1250.00 1079.00 721.50 533.50 366.72 a 145.00 172.00 542.00 754.50 1161.50 1251.50 9398.57
1986 1056.00 1085.78 a 913.50 774.00 617.00 205.00 187.00 161.00 482.00 751.00 1087.00 1284.00 8603.28
1987 1325.50 1115.00 1130.00 696.00 504.50 259.50 131.50 228.00 342.50 638.50 1030.00 1371.00 8772.00
1988 1424.00 1170.50 1201.50 758.50 537.50 144.00 70.50 118.00 424.50 575.50 1101.50 1344.00 8870.00
1989 1307.50 1317.50 976.00 738.00 518.00 339.00 84.00 199.00 387.00 712.00 975.00 1353.50 8906.50
1990 1230.00 1157.50 1057.00 754.00 612.50 238.00 197.50 171.00 288.50 718.50 959.50 1497.50 8881.50
1991 1382.00 999.50 1093.50 870.50 544.00 274.50 144.00 150.50 369.50 685.00 1182.00 1224.50 8919.50
1992 1246.00 1061.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1260.00 1404.00 4971.00
1993 1323.50 1244.50 809.50 i 899.48 a 542.50 384.50 247.00 245.00 456.00 808.50 1220.50 1278.50 8649.98
1994 1279.50 1180.50 1001.50 807.00 437.00 197.00 113.00 99.00 329.00 727.00 1129.50 1176.50 8476.50
1995 1287.50 1036.00 641.00 l 906.50 737.50 382.00 220.00 66.50 k 430.00 574.50 g 956.38 a 1189.00 7144.88
1996 1443.05 a 1166.50 1159.50 841.00 563.00 245.50 103.00 162.00 504.50 762.00 1033.80 e 1333.50 9317.35
1997 1398.00 1246.00 1032.50 1004.50 577.50 242.00 102.50 i 144.50 j 329.50 756.00 1125.50 1324.73 a 9036.23
1998 843.00 j 0.00 z 1212.50 0.00 z 310.00 n 470.50 83.50 0.00 z 260.00 0.00 z 632.50 k 0.00 z 2026.50
1999 1240.00 e 1073.33 d 1029.31 d 736.50 g 672.18 a 341.40 e 110.50 185.48 a 499.66 a 623.58 e 799.50 1246.64 c 7821.59
2000 1246.00 1053.84 a 1067.50 765.58 d 0.00 z 309.00 47.50 67.68 a 368.00 737.28 a 1317.50 1366.58 a 8346.47
2001 1346.36 b 1188.50 1110.32 a 812.00 519.25 a 254.00 51.31 b 79.05 a 271.00 701.00 941.90 a 1323.04 c 8597.72
2002 1406.00 1241.50 1257.00 733.00 605.50 173.00 30.50 135.00 348.00 843.72 a 1124.00 1224.00 9121.22
2003 1062.00 1296.00 1087.00 774.50 562.00 297.50 f 36.00 99.00 345.50 g 583.00 829.00 h 753.00 l 5499.50
2004 1266.00 1224.50 899.50 765.50 578.50 383.65 d 177.00 291.18 c 407.68 b 686.77 e 1031.00 0.00 z 7711.28
2005 931.00 f 709.50 k 892.50 f 579.00 i 288.00 n 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2006 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 73.50 177.00 516.00 819.00 1026.00 1352.50 3964.00
2007 1477.00 1123.50 960.50 820.50 571.50 246.50 54.00 94.50 0.00 z 0.00 z 0.00 z 0.00 z 5348.00
Period of Record Statistics
MEAN 1331.26 1173.40 1146.82 853.27 585.65 292.13 114.61 163.95 382.37 704.31 1032.23 1285.27 9080.94
S.D. 130.40 124.00 130.71 100.64 85.34 77.20 53.60 56.48 77.74 94.29 123.49 119.08 456.85
SKEW -0.04 0.49 0.28 0.19 0.30 0.26 0.38 0.25 0.41 0.09 -0.04 -0.02 -0.31
MAX 1667.50 1502.50 1504.50 1120.00 813.50 486.00 247.00 302.50 618.62 945.00 1317.50 1575.50 9885.50
MIN 973.00 949.00 898.50 654.50 358.00 144.00 19.00 63.15 216.21 475.33 741.72 951.00 7892.68
NO YRS 78 81 78 77 80 78 80 79 81 79 78 79 58