ASHLEY, NORTH DAKOTA

Monthly Total Heating Degree Days

(320382)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201304
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
1893 0.00 z 1716.81 a 1517.00 869.50 464.00 51.50 17.00 80.50 298.50 759.00 1233.50 1829.00 8836.31
1894 1972.67 e 1648.00 1215.95 b 671.50 338.50 38.57 b 13.50 k 20.67 d 263.79 a 665.98 a 1224.50 1295.59 b 9355.72
1895 2015.50 1663.31 b 1223.50 476.38 a 320.00 171.50 43.18 c 63.11 c 218.89 c 763.12 a 1297.50 d 1204.00 f 8255.98
1896 1662.00 1364.00 1517.50 530.00 g 234.50 47.00 12.92 a 22.00 203.28 a 381.00 k 1051.00 0.00 z 6114.19
1897 1857.00 1592.08 c 1606.50 726.21 a 343.50 181.00 45.00 93.50 89.00 559.50 1217.31 d 1653.16 b 9963.75
1898 1532.00 1416.00 1267.00 679.50 434.53 b 126.00 33.50 30.43 d 251.11 c 869.50 1317.00 1664.00 9620.57
1899 1740.50 1813.50 1816.08 a 767.50 448.00 112.76 a 41.69 b 57.50 337.00 727.90 e 868.50 1637.32 a 10368.25
1900 1503.50 1724.15 b 1347.50 492.00 136.50 g 76.00 23.00 9.82 a 330.50 493.50 1314.00 1439.50 8753.47
1901 1690.65 d 1617.50 1219.50 608.50 219.50 120.50 18.00 31.50 383.50 569.00 1154.50 1647.98 c 9280.63
1902 1711.50 1637.42 d 648.00 m 762.50 280.00 224.50 18.00 90.00 384.00 684.07 a 1135.50 1760.00 8687.48
1903 1643.50 1729.50 1321.50 762.69 d 347.50 152.50 68.00 128.77 e 426.00 592.50 1213.00 1733.00 10118.46
1904 1965.92 a 1942.00 1364.00 a 836.90 a 386.50 166.00 111.50 114.50 353.00 569.00 930.50 1622.00 10361.81
1905 1988.50 1716.50 984.50 776.50 527.00 198.00 89.00 50.00 193.50 810.00 1082.00 1531.06 d 9946.56
1906 1487.00 1539.00 1539.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 971.50 1570.87 e 7107.37
1907 1602.00 1502.00 1182.65 a 524.50 415.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 5226.65
1908 1400.88 b 1428.81 c 0.00 z 0.00 z 0.00 z 0.00 z 28.93 a 0.00 z 169.00 663.92 a 391.00 r 0.00 z 3691.54
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 0.00 z 0.00
1911 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 859.00 l 0.00 z 0.00
1912 2052.50 1390.45 a 1457.50 564.00 312.50 182.78 c 28.50 54.00 411.50 585.38 a 896.50 1539.15 a 9474.76
1913 1706.60 b 1468.00 1351.00 435.00 h 435.60 b 113.79 a 122.93 b 47.00 g 313.20 e 845.78 a 985.18 b 1365.11 c 8707.20
1914 1619.00 1663.41 a 1098.50 593.50 295.00 77.50 2.00 95.00 182.59 a 441.50 902.00 1768.55 a 8738.54
1915 1795.50 1318.50 1338.00 447.50 480.50 272.88 d 57.00 f 94.50 302.50 529.00 1000.00 1437.00 9015.88
1916 2097.00 1593.50 1227.50 737.50 408.00 234.50 2.00 82.00 324.23 d 717.13 a 1028.50 1850.18 a 10302.05
1917 1848.50 1768.50 1324.50 801.00 414.88 a 177.00 30.50 71.50 218.79 a 902.50 794.50 1886.00 10238.18
1918 2006.39 d 1440.00 919.00 739.00 369.50 89.00 56.00 37.72 a 376.50 552.32 a 1057.00 1425.48 a 9067.91
1919 1335.00 1504.50 1384.00 645.00 c 351.33 a 115.00 9.00 31.00 211.55 a 920.00 1335.58 d 1625.71 e 9467.67
1920 1425.50 f 1402.60 c 1229.15 a 969.50 378.64 c 139.20 e 27.00 51.50 197.68 b 451.50 1078.00 1456.00 7380.77
1921 1380.02 a 1148.50 1121.50 630.50 347.50 48.62 a 11.50 44.50 230.50 524.50 1318.93 b 1485.50 8292.07
1922 1763.38 a 1749.50 1158.37 a 644.00 284.00 95.40 e 54.77 a 11.00 265.50 0.00 z 991.00 1658.50 b 8675.42
1923 1574.28 a 1625.50 1285.39 c 732.69 d 328.50 80.50 2.67 b 96.00 174.83 a 614.50 816.96 b 1285.00 8616.83
1924 1895.65 a 1243.65 c 1237.50 726.50 569.00 213.00 101.55 b 109.00 260.50 h 435.03 a 1040.36 b 1804.64 c 9375.89
1925 1715.69 b 1308.16 c 965.59 d 474.50 389.50 127.50 41.33 a 12.92 a 132.50 891.00 964.66 a 1376.06 d 8399.40
1926 1309.23 a 1064.00 c 987.50 483.50 119.50 79.00 1.00 34.00 308.50 631.50 1274.50 1673.48 a 7965.72
1927 1597.50 1345.00 1028.00 683.00 494.00 189.00 65.50 0.00 z 350.00 548.00 1236.96 b 2032.00 9568.96
1928 1539.50 1264.85 c 1021.50 833.00 213.00 185.50 13.00 57.00 299.50 611.00 963.50 1286.50 8287.85
1929 2064.71 b 1674.30 a 1019.50 644.50 453.50 141.50 13.00 14.98 a 385.00 548.00 1176.50 1583.07 a 9718.55
1930 1975.50 1107.50 1143.50 521.00 419.00 84.00 13.00 26.50 266.50 679.23 c 977.50 1394.00 8607.23
1931 1338.00 981.00 1174.50 619.50 404.00 44.00 20.00 57.00 139.00 491.00 1013.00 1412.50 7693.50
1932 1720.50 1487.29 a 1394.50 582.00 290.00 22.50 39.50 32.00 232.50 751.00 1090.34 a 1607.00 9249.13
1933 1515.00 1511.00 1073.00 694.00 356.00 15.50 13.50 32.50 97.50 678.00 1041.50 1608.50 8636.00
1934 1356.52 b 1203.00 1173.50 610.50 125.00 45.50 14.50 60.00 326.50 447.50 891.00 1522.00 7775.52
1935 1740.00 1072.00 1074.50 799.50 490.00 146.50 0.00 79.50 196.50 683.50 1353.50 1564.00 9199.50
1936 2138.50 2176.50 1122.00 814.00 163.50 52.50 0.00 16.50 161.50 644.50 1104.50 1521.00 9915.00
1937 2252.00 1611.00 1207.50 510.50 j 246.50 145.50 7.50 2.50 218.00 642.50 1161.50 1656.00 9150.50
1938 1732.90 a 1570.50 1002.33 a 590.50 392.00 94.50 9.00 8.50 154.82 b 483.71 b 1251.00 e 1449.25 a 8739.01
1939 1538.38 c 1853.50 1211.50 739.66 a 173.00 155.50 14.50 51.15 a 272.78 c 731.50 604.00 i 1239.48 a 7980.94
1940 1943.00 1474.50 1292.00 847.00 358.00 92.50 11.00 81.24 b 173.50 484.50 1291.50 1378.00 9426.74
1941 1722.00 1546.00 1278.00 616.50 258.50 148.50 66.50 42.50 305.50 652.00 1045.00 1340.50 9021.50
1942 1458.00 1423.00 1088.00 601.50 516.50 189.50 67.00 59.00 430.50 635.00 1100.50 1647.50 9216.00
1943 2078.50 1409.00 1487.48 a 656.00 512.50 182.50 11.00 55.00 318.00 536.00 1180.50 1376.00 9802.48
1944 1355.50 1665.69 e 1556.00 784.00 251.50 162.00 51.50 72.00 295.50 532.50 1103.50 1565.00 9394.69
1945 1640.50 1495.50 1042.50 787.00 520.00 303.00 65.00 38.50 355.50 639.50 1199.00 1779.50 9865.50
1946 1689.00 1544.00 888.00 533.00 496.50 121.50 22.50 103.00 308.50 793.50 1160.00 1539.50 9199.00
1947 0.00 z 1542.50 1276.50 803.04 b 437.00 128.65 d 34.00 22.00 299.00 402.50 512.50 t 1581.00 6526.19
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 9.62 b 29.45 a 130.18 b 610.18 a 1056.11 c 1618.95 b 3454.49
1949 1449.00 h 1809.36 c 1328.00 585.00 a 279.50 98.00 27.50 37.50 289.50 582.11 d 807.00 1678.50 7521.97
1950 2219.50 1545.50 794.00 m 972.41 a 475.50 115.00 53.70 c 92.00 218.00 503.50 1255.50 1615.58 e 9066.19
1951 1862.21 c 1385.00 1594.00 764.00 293.98 a 237.50 52.00 98.00 350.56 c 685.44 d 1211.50 1797.00 10331.20
1952 1859.50 1368.00 1470.00 583.00 322.00 50.50 21.50 32.50 156.50 660.82 a 1048.20 e 1428.50 9001.02
1953 1543.00 1296.81 a 1180.00 840.50 416.43 a 121.00 39.50 17.00 204.50 357.07 d 879.83 a 1315.00 8210.65
1954 1920.50 873.50 1230.50 685.50 458.50 133.00 20.00 29.00 182.00 g 443.00 l 848.00 1291.00 7489.50
1955 1568.50 1588.74 a 289.50 w 441.50 217.50 138.00 12.00 16.53 a 258.50 528.50 1461.21 a 1773.50 8004.48
1956 1753.50 1658.50 1294.00 880.50 355.00 26.00 34.00 42.88 a 270.00 d 436.50 1056.00 1376.50 9183.38
1957 1905.00 1415.50 1169.50 708.50 337.68 c 122.00 6.50 64.50 302.07 a 611.00 1036.00 1270.00 8948.25
1958 1434.50 1536.50 1147.00 660.50 244.50 164.50 i 67.50 50.00 196.00 529.58 a 1065.50 1590.50 8522.08
1959 1842.50 1602.00 1052.50 674.48 a 469.17 e 84.44 c 17.50 19.50 262.76 a 763.00 1308.10 a 1266.00 9361.96
1960 1694.00 1607.00 1551.50 695.00 344.50 149.50 21.91 b 25.50 141.00 g 350.50 q 1046.00 1599.00 8733.91
1961 1622.50 1336.50 962.00 811.50 454.50 61.50 23.00 7.00 364.50 537.50 1056.00 1712.00 8948.50
1962 1771.65 a 1551.00 1365.00 684.50 336.41 d 89.44 c 56.50 47.50 295.50 505.00 913.00 1411.50 9027.00
1963 1892.00 1359.50 930.00 676.00 362.00 38.50 f 6.09 c 46.50 163.00 303.50 939.00 1702.50 8380.09
1964 1488.50 1262.50 1349.50 630.50 290.88 a 121.50 8.00 104.00 309.83 a 579.00 1158.00 1838.50 9140.71
1965 1921.00 1503.50 1529.50 702.50 363.00 88.50 12.50 58.00 551.50 498.50 1067.00 1327.00 9622.50
1966 2091.00 1563.50 1051.00 872.00 407.00 125.00 3.00 g 115.00 261.50 608.50 1246.03 a 1485.50 9826.03
1967 1608.50 1564.50 1098.50 797.00 477.29 b 113.00 82.00 66.00 199.50 651.50 1071.00 1521.07 a 9249.86
1968 1741.00 1518.00 942.00 686.00 485.50 119.46 b 53.14 c 103.50 292.78 c 600.00 1081.00 1726.50 9348.88
1969 2034.00 1389.50 1519.50 610.50 322.50 236.50 32.50 9.19 d 241.07 b 805.00 1017.50 1531.50 9749.26
1970 1975.50 1449.00 1522.00 839.50 346.50 51.50 18.50 30.00 262.50 633.00 1163.79 a 1637.50 9929.29
1971 1978.83 a 1494.00 1194.00 598.50 390.00 41.50 68.00 36.50 275.56 c 588.45 c 1091.00 1696.00 9452.33
1972 1901.50 1681.00 1263.50 737.50 297.00 94.00 51.00 42.33 e 249.00 698.00 1136.50 1790.50 9941.83
1973 1527.00 1208.50 885.00 722.00 349.00 0.00 z 3.00 w 0.50 292.00 483.00 1164.00 1643.50 8274.50
1974 1765.93 b 1417.50 1255.00 720.00 451.50 142.00 13.84 c 112.50 355.86 a 0.00 z 1047.50 1401.50 8683.13
1975 1629.50 1578.50 1404.09 b 950.00 341.00 125.50 18.00 48.00 0.00 z 499.00 1007.00 1455.00 9055.59
1976 1692.00 1206.50 1174.50 517.00 304.50 55.50 6.50 13.00 203.50 755.00 1235.50 1608.50 8772.00
1977 2031.50 1153.50 987.50 439.00 108.50 40.00 9.50 78.00 230.50 574.50 1195.00 1735.50 8583.00
1978 2080.50 1652.00 1252.00 690.00 251.00 79.00 18.00 30.50 160.50 564.00 1249.50 1763.50 9790.50
1979 2086.50 1753.50 1289.00 840.00 441.00 80.00 21.50 53.50 123.62 a 444.00 h 1166.50 1229.50 9084.62
1980 1681.50 1486.00 1295.50 489.50 208.50 38.00 0.00 37.00 198.50 622.00 890.50 1411.02 a 8358.02
1981 1407.50 1191.56 a 931.50 473.00 306.00 84.31 a 17.50 9.00 199.50 572.50 857.50 1562.00 7611.87
1982 2096.00 1466.00 1234.50 721.50 279.50 140.00 0.00 47.00 227.00 561.50 1200.00 1283.50 9256.50
1983 1333.50 1049.50 1111.50 764.00 439.00 106.00 3.00 0.00 251.50 576.50 1054.00 2015.52 a 8704.02
1984 1553.00 1037.27 a 1244.50 636.00 331.00 100.50 11.00 18.50 420.00 a 619.00 1066.50 1732.79 b 8770.06
1985 1867.50 1508.00 1013.00 561.00 199.95 a 208.00 12.40 a 120.50 362.00 665.50 1486.50 1864.98 c 9869.33
1986 1488.50 1557.50 945.00 717.50 344.00 40.00 16.50 84.00 358.00 615.50 1312.76 a 1332.50 8811.76
1987 1387.77 a 1047.50 1188.00 485.50 211.50 49.50 20.00 93.00 195.50 744.50 919.00 1301.50 7643.27
1988 1775.00 1577.00 1061.00 655.50 201.00 14.00 15.00 54.50 292.50 700.50 1121.50 1484.00 8951.50
1989 1555.34 b 1675.33 a 1349.00 662.50 288.50 128.50 1.00 43.00 256.50 606.00 1147.76 a 1817.50 9530.94
1990 1325.00 1282.50 990.50 692.00 371.00 98.00 24.50 20.00 185.50 687.50 967.00 1724.00 8367.50
1991 1775.00 1096.50 1060.00 593.00 300.50 25.50 23.50 13.50 260.50 743.50 1237.00 1332.50 8461.00
1992 1380.00 1137.00 956.00 738.00 271.00 143.00 120.00 130.00 283.00 659.00 1172.00 1653.00 8642.00
1993 1792.50 1545.50 1190.50 734.50 346.50 196.50 75.00 68.00 401.50 681.50 1156.00 1494.50 9682.50
1994 2019.50 1698.00 1100.50 688.50 228.00 59.00 46.50 74.00 196.50 550.00 1003.00 1448.50 9112.00
1995 1687.50 1326.50 1248.00 870.50 408.00 88.50 28.00 7.50 284.50 646.50 1234.50 1548.00 9378.00
1996 1931.00 1445.50 1412.00 829.00 439.50 79.50 28.50 17.00 264.50 642.50 1414.66 a 1812.00 10315.66
1997 1904.50 1347.50 1263.50 841.50 374.00 10.00 31.00 40.50 125.00 546.00 1214.50 1253.00 8951.00
1998 1626.47 a 1027.50 1306.00 530.50 202.00 152.50 7.00 0.00 120.00 591.50 1019.50 1351.50 7934.47
1999 1733.00 1126.50 958.50 648.00 299.00 101.00 13.00 22.00 301.50 650.50 776.00 1251.00 7880.00
2000 1562.00 1194.18 a 887.50 670.00 260.00 124.00 34.00 23.00 224.50 528.55 a 1213.50 1824.50 8545.73
2001 1495.50 1639.00 1240.00 685.50 250.50 102.00 10.00 12.50 203.50 655.00 761.00 1364.00 8418.50
2002 1448.00 1120.00 1451.00 723.00 480.50 53.00 4.50 52.50 208.50 887.50 1031.00 1339.50 8799.00
2003 1644.50 1516.50 1274.50 609.00 365.00 115.00 8.50 16.50 253.00 478.00 1251.00 1267.50 8799.00
2004 1776.00 1389.50 971.00 599.50 417.00 173.50 68.50 134.00 189.50 586.50 928.00 1353.50 8586.50
2005 1739.50 1201.00 1095.50 533.00 408.50 46.00 14.00 37.00 175.50 549.00 933.00 1442.00 8174.00
2006 1214.00 1296.50 1057.50 491.00 295.50 47.50 0.00 9.50 287.50 738.00 1019.00 1274.00 7730.00
2007 1616.50 1597.00 974.43 a 761.00 220.50 62.50 6.50 55.50 221.50 530.00 1012.50 1534.50 8592.43
2008 1658.50 1523.00 1133.00 740.00 414.50 123.00 9.50 20.50 216.00 608.24 b 1024.50 1744.50 9215.24
2009 1818.67 a 1407.26 a 1352.50 729.50 361.50 159.50 39.00 71.00 109.00 812.00 811.03 a 1673.00 9343.96
2010 1692.50 1523.00 996.00 499.50 383.37 a 46.00 5.00 13.50 261.50 515.00 1097.00 1669.00 8701.37
2011 1801.32 c 1505.84 c 1451.12 b 805.00 479.47 a 139.14 a 3.00 10.50 232.50 b 529.58 a 1015.00 1311.00 9283.47
2012 1423.00 1294.12 a 726.90 b 579.00 293.50 53.28 a 3.00 39.78 a 217.00 712.50 1106.50 1542.50 7991.08
2013 1638.00 1379.26 a 1484.38 a 45.50 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 4501.64
Period of Record Statistics
MEAN 1721.74 1455.05 1209.79 681.74 349.42 112.79 28.58 48.92 257.58 617.86 1091.79 1548.25 9057.84
S.D. 230.65 221.78 196.78 121.39 97.79 59.37 26.86 33.70 82.54 117.68 151.36 187.98 705.48
SKEW 0.07 -0.12 0.28 0.01 -0.18 0.59 1.48 0.67 0.46 0.32 0.07 0.18 -0.09
MAX 2252.00 2176.50 1816.08 972.41 569.00 303.00 122.93 134.00 551.50 920.00 1486.50 2032.00 10368.25
MIN 1214.00 873.50 726.90 439.00 108.50 10.00 0.00 0.00 89.00 303.50 761.00 1229.50 7611.87
NO YRS 113 117 113 111 113 110 111 112 111 109 113 113 86