CRESTON, MONTANA

Monthly Total Heating Degree Days

(242104)

Base Temperature = 65 F

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.
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
1949 0.00 z 528.00 n 1100.50 518.50 319.00 202.00 85.50 84.00 329.50 730.50 797.00 1242.50 5409.00
1950 1886.00 1102.50 1050.00 694.00 475.00 241.50 66.50 85.50 344.50 591.00 1005.00 1102.00 8643.50
1951 1389.00 1045.00 1179.50 688.50 466.50 326.50 76.50 167.50 432.00 750.50 1026.00 1492.50 9040.00
1952 1458.50 1115.00 1108.00 576.50 390.50 251.50 119.00 114.18 a 296.00 607.00 1046.90 a 1160.00 8243.08
1953 888.48 c 898.50 863.50 713.50 480.00 312.50 75.50 89.50 269.00 583.00 839.50 1045.50 7058.48
1954 1362.00 946.50 1097.50 726.50 399.38 a 303.00 81.50 158.00 364.50 731.50 787.00 1122.50 8079.88
1955 1220.00 1202.00 1258.00 778.00 540.43 a 206.38 a 138.50 104.50 369.31 a 634.00 1247.00 1338.50 9036.62
1956 1285.98 a 1279.00 1039.50 626.00 340.50 188.50 72.00 115.50 293.50 649.50 1023.00 1132.00 8044.98
1957 1698.50 1164.50 984.50 641.00 293.00 168.50 36.00 103.50 281.50 731.50 987.50 1013.00 8103.00
1958 1113.00 970.00 1016.50 641.00 183.00 107.50 64.50 23.00 302.00 633.00 966.50 1143.00 7163.00
1959 1250.50 1174.50 921.50 595.00 523.00 163.50 80.50 142.00 364.50 655.50 1186.50 1162.00 8219.00
1960 1416.50 1153.50 1015.50 622.50 447.50 169.00 19.63 a 156.00 301.00 615.00 919.00 1245.00 8080.13
1961 1153.00 784.00 829.00 692.00 386.50 64.00 28.00 15.00 463.00 706.00 1104.50 1284.00 7509.00
1962 1477.50 1101.50 1058.50 533.50 418.00 205.50 120.00 114.50 310.00 630.00 810.50 1007.50 7787.00
1963 1648.50 894.00 816.50 655.00 422.50 182.00 91.00 69.00 195.50 547.50 877.00 1271.50 7670.00
1964 1133.00 1064.50 1068.50 667.00 432.00 191.00 61.50 194.00 415.50 662.00 939.50 1329.00 8157.50
1965 1079.00 1018.00 1127.50 595.00 446.00 229.50 62.50 99.50 559.50 541.00 901.00 1122.00 7780.50
1966 1190.00 1045.50 945.50 664.50 335.50 270.50 61.00 132.50 173.50 668.50 949.50 1079.50 7516.00
1967 1053.50 891.00 996.00 732.00 397.00 179.50 30.50 21.00 162.00 593.00 935.50 1237.00 7228.00
1968 1293.50 934.00 739.50 690.00 472.50 199.00 85.50 135.50 337.00 686.50 949.50 1397.50 7920.00
1969 1608.50 1150.50 1100.00 539.00 345.00 198.00 112.50 101.00 279.00 774.50 894.00 1156.50 8258.50
1970 1335.00 985.00 1000.00 745.00 367.00 140.50 82.00 101.00 493.50 774.50 1012.00 1203.00 8238.50
1971 1285.00 985.00 985.50 641.50 388.50 314.50 143.00 27.00 465.50 764.00 928.50 1322.00 8250.00
1972 1475.50 1094.50 822.50 740.00 405.50 196.50 136.00 42.00 443.00 768.50 940.00 1398.50 8462.50
1973 1373.00 1040.50 847.00 684.00 423.00 246.50 69.00 79.50 355.00 647.00 1071.50 1059.50 7895.50
1974 1359.50 914.50 974.50 668.00 528.50 159.50 73.50 134.00 365.00 667.50 896.00 1081.00 7821.50
1975 1333.50 1218.50 1092.00 822.50 507.50 277.00 22.50 174.50 373.50 686.50 1041.00 1161.50 8710.50
1976 1157.50 1014.50 1052.50 649.00 406.50 325.00 92.50 152.50 294.50 710.00 959.50 1129.00 7943.00
1977 1397.50 958.50 950.50 599.50 476.50 139.50 117.00 109.50 405.00 707.00 1038.50 1332.50 8231.50
1978 1344.00 1089.50 951.00 638.50 523.50 189.50 82.00 168.50 343.50 662.50 1136.00 1442.00 8570.50
1979 1889.00 1124.00 940.00 682.00 424.50 187.50 67.00 32.50 246.50 599.50 1041.00 1015.50 8249.00
1980 1540.00 1068.00 1007.50 543.50 328.00 250.50 92.50 204.50 331.00 637.00 903.00 1038.00 7943.50
1981 1082.00 956.00 831.50 621.00 398.50 341.50 93.50 49.00 303.50 718.00 884.00 1213.00 7491.50
1982 1374.00 1161.00 866.50 767.00 472.50 168.50 144.50 95.50 368.00 743.50 1076.00 1223.50 8460.50
1983 1076.50 878.50 839.00 679.50 411.50 233.00 175.00 56.50 448.00 686.50 854.50 1669.50 8008.00
1984 1173.00 950.00 826.50 675.00 505.50 271.00 61.50 68.50 464.50 776.00 973.00 1382.00 8126.50
1985 1414.50 1281.00 1061.50 607.00 357.50 237.00 9.00 159.50 511.00 738.50 1391.00 1448.50 9216.00
1986 1231.50 1109.00 757.50 638.00 402.00 79.66 a 171.00 27.00 449.50 682.50 1041.50 1244.50 7833.66
1987 1333.00 1044.50 925.50 517.50 297.50 135.00 120.00 172.00 265.00 686.50 891.00 1232.00 7619.50
1988 1387.00 1018.00 852.00 583.00 421.00 168.00 96.50 98.50 355.50 544.00 862.50 1295.00 7681.00
1989 1160.00 1464.00 1128.50 631.00 478.50 169.00 52.00 151.50 369.00 692.50 879.50 1218.50 8394.00
1990 1069.50 1129.50 939.00 593.00 472.50 258.00 64.00 76.00 182.00 720.50 866.00 1505.50 7875.50
1991 1447.50 852.00 1001.00 677.00 460.00 288.00 80.00 57.50 327.00 757.00 1037.00 1106.50 8090.50
1992 1121.00 886.50 782.50 595.50 356.50 136.00 139.50 167.00 421.00 623.50 956.50 1412.50 7598.00
1993 1543.00 1311.00 967.50 637.50 286.00 252.00 270.50 169.50 406.00 636.50 1197.50 1156.50 8833.50
1994 992.00 1241.50 849.00 586.50 340.00 244.00 49.00 48.50 259.50 687.50 1058.00 1173.00 7528.50
1995 1281.50 883.50 987.00 671.00 415.50 261.00 88.00 191.00 303.00 740.50 901.00 1184.50 7907.50
1996 1475.00 1188.00 1114.50 658.50 569.00 211.00 65.50 106.50 380.50 708.00 1129.50 1406.00 9012.00
1997 1400.50 1031.00 1011.50 799.00 392.50 216.00 100.50 89.00 285.50 666.50 959.50 1148.00 8099.50
1998 1234.00 894.00 932.00 614.50 335.50 268.50 19.00 59.50 187.50 703.50 836.50 1174.00 7258.50
1999 1069.50 918.50 849.50 700.50 502.50 277.00 165.50 53.50 411.50 685.00 806.50 1085.00 7524.50
2000 1214.50 1123.00 871.50 648.50 454.00 269.00 100.00 115.00 407.00 0.00 z 1140.00 1410.50 7753.00
2001 1270.00 1242.00 974.50 742.00 383.00 312.50 99.50 64.00 238.50 710.00 852.00 1176.50 8064.50
2002 1172.50 1101.00 1257.50 703.50 536.00 243.00 50.00 152.50 318.50 840.00 964.50 1067.50 8406.50
2003 1113.50 1058.50 980.00 619.00 454.50 181.00 36.00 43.00 286.00 596.00 1127.00 1265.00 7759.50
2004 1357.00 1075.50 803.00 598.50 449.50 242.00 56.00 93.50 381.50 670.50 936.50 1100.50 7764.00
2005 1372.50 962.00 899.00 665.00 417.50 297.50 60.00 129.00 372.00 655.50 974.50 1462.50 8267.00
2006 989.00 1156.50 917.50 632.00 392.00 163.00 14.50 74.50 346.50 657.50 1011.50 1268.00 7622.50
2007 1324.00 1022.50 849.50 677.50 417.50 212.50 7.00 107.50 347.00 686.00 978.00 1196.00 7825.00
2008 1430.00 1010.00 962.00 815.00 483.50 293.00 57.00 114.00 375.00 721.00 881.50 1465.50 8607.50
2009 1312.50 1123.00 1195.00 696.50 379.00 182.50 44.50 64.50 167.50 811.50 890.00 1432.00 8298.50
2010 1198.50 941.00 835.00 717.00 550.00 278.50 123.50 135.00 389.00 645.50 1080.00 1279.50 8172.50
2011 1263.50 1275.00 939.00 788.50 494.89 c 328.45 a 117.69 d 58.79 b 265.18 b 672.70 a 1006.55 a 1147.52 a 8357.77
2012 1196.17 b 1067.00 876.50 590.69 a 506.33 a 213.50 i 66.50 94.50 288.50 732.00 876.00 1174.50 7468.70
2013 1299.00 908.00 973.50 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 3180.50
Period of Record Statistics
MEAN 1304.25 1057.64 966.06 658.57 423.19 222.27 83.47 103.01 341.22 681.58 976.22 1234.20 8058.33
S.D. 194.85 131.61 118.68 69.71 74.06 62.98 46.06 48.17 85.80 63.54 115.98 143.68 469.76
SKEW 0.71 0.45 0.36 0.24 -0.45 -0.17 1.15 0.12 -0.01 -0.06 0.94 0.64 0.28
MAX 1889.00 1464.00 1258.00 822.50 569.00 341.50 270.50 204.50 559.50 840.00 1391.00 1669.50 9216.00
MIN 888.48 784.00 739.50 517.50 183.00 64.00 7.00 15.00 162.00 541.00 787.00 1007.50 7058.48
NO YRS 64 64 65 64 64 63 64 64 64 63 64 64 61