ELLENDALE, NORTH DAKOTA

Monthly Total Heating Degree Days

(322605)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201302
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 1808.52 c 1616.74 a 1435.30 a 788.57 b 394.00 34.50 14.50 76.50 328.00 783.50 956.50 h 1696.98 b 8977.11
1894 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 q 10.50 f 270.50 622.50 1151.50 1304.00 3348.50
1895 1971.50 990.00 n 241.00 u 386.90 a 236.12 a 102.78 c 37.00 7.50 i 22.00 z 217.50 v 1311.21 a 748.50 o 4045.50
1896 1746.33 d 1379.00 1508.48 c 0.00 z 0.00 z 0.00 z 32.03 a 63.60 b 349.14 a 524.50 j 976.50 o 263.50 y 5078.59
1897 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 22.00 t 17.50 48.50 95.50 536.30 a 1222.50 1551.50 3471.80
1898 1416.00 1268.00 1158.88 a 662.50 410.50 107.00 53.73 a 39.50 271.73 d 694.83 b 992.50 g 1573.25 a 7655.93
1899 1663.50 1677.00 1651.50 671.79 b 336.50 66.00 14.50 25.83 a 279.31 a 590.19 e 804.00 1516.50 9296.62
1900 1381.57 a 1537.41 a 1240.50 434.00 190.50 49.00 6.41 b 5.17 a 124.00 k 309.00 h 773.50 l 1361.86 b 6206.42
1901 1573.52 b 1456.50 1072.94 d 563.33 c 104.50 k 44.50 o 0.00 q 27.50 s 20.00 z 389.50 g 556.00 m 1571.00 6237.29
1902 1086.50 j 1410.77 b 906.50 f 679.00 222.17 d 172.00 14.00 g 8.50 s 312.41 a 314.50 n 1025.56 c 1708.21 b 5530.11
1903 1659.00 1635.50 1189.33 e 496.50 f 227.00 i 0.00 z 6.50 v 34.50 r 287.00 188.50 q 494.00 r 832.50 o 4770.83
1904 1402.50 i 1124.00 k 806.00 l 256.00 t 135.50 q 3.00 t 12.00 j 49.00 i 222.32 b 571.12 e 553.50 k 1155.50 f 793.44
1905 1818.00 1519.00 879.00 627.50 455.00 166.00 28.50 0.00 z 0.00 z 0.00 z 0.00 z 1426.00 a 6919.00
1906 1406.37 a 0.00 z 0.00 z 0.00 z 0.00 z 76.00 0.00 21.50 53.00 549.14 c 719.00 h 1620.50 3726.51
1907 0.00 z 0.00 z 1065.62 c 0.00 z 0.00 z 37.50 r 0.00 z 0.00 z 216.21 a 330.84 b 0.00 z 1080.98 d 2693.66
1908 1297.98 d 1219.04 a 1084.00 369.50 287.00 0.00 z 0.00 z 85.50 167.50 632.00 979.00 1579.50 7701.02
1909 1813.50 1462.50 1151.00 845.00 358.50 75.00 15.50 0.00 z 160.50 623.50 1048.50 1835.50 9389.00
1910 1708.50 1663.00 676.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4047.50
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 0.00 z 0.00 z 0.00
1912 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
1913 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
1914 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
1915 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
1916 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
1917 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
1918 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
1919 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
1920 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
1921 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
1922 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
1923 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
1924 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
1925 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
1926 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
1927 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
1928 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
1929 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
1930 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
1931 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
1932 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
1933 0.00 z 0.00 z 0.00 z 0.00 z 311.00 14.00 6.00 20.50 86.50 597.50 1005.50 1609.50 3650.50
1934 1435.30 a 1239.00 1198.00 622.00 153.50 48.62 a 13.50 71.50 358.00 461.00 919.50 1590.00 8109.92
1935 1777.00 1063.50 1097.40 a 781.00 434.50 130.00 0.00 89.00 194.48 a 663.00 1321.00 1550.00 9100.88
1936 2166.00 2155.00 1105.50 810.50 162.50 72.00 0.00 19.00 144.50 642.50 1115.50 1522.00 9915.00
1937 2228.50 1611.00 1192.00 714.50 224.00 104.00 2.50 1.50 210.52 a 619.48 a 1137.50 1657.50 9703.00
1938 1732.00 1517.00 954.50 587.00 362.00 60.00 1.00 3.50 123.62 a 394.00 1182.50 1416.00 8333.12
1939 1510.00 1756.50 1130.50 665.00 132.50 85.50 4.81 b 21.18 a 247.00 649.50 947.50 1169.00 8318.99
1940 1867.00 1380.00 1204.00 724.00 282.50 74.00 4.00 51.00 133.50 392.50 1219.50 1333.50 8665.50
1941 0.00 z 1456.00 1199.50 535.50 186.00 89.50 34.00 25.00 244.00 553.00 972.50 1289.00 6584.00
1942 1367.50 1341.00 1006.00 535.00 432.50 121.00 17.00 36.00 349.00 551.50 1025.00 1631.12 a 8412.62
1943 2017.50 1374.50 1401.50 588.00 438.50 131.00 2.00 30.50 261.50 514.00 1074.50 1320.08 a 9153.58
1944 1316.00 1573.50 1406.88 a 742.00 217.00 114.50 20.00 68.00 238.00 488.00 1020.00 1456.00 8659.88
1945 1595.50 1434.50 938.00 746.50 473.50 221.00 39.00 22.00 315.00 a 585.50 1151.50 1770.50 9292.50
1946 1716.50 1518.00 849.50 476.00 432.00 112.00 5.00 60.50 246.50 689.00 1110.00 1530.50 8745.50
1947 1414.50 1542.50 1243.50 787.00 442.00 142.50 27.00 23.00 243.50 358.00 1252.00 1605.50 9081.00
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3.00 28.50 110.50 534.50 1036.50 1568.00 3281.00
1949 1827.00 1670.00 1209.00 543.00 265.00 61.50 18.00 18.00 237.50 563.17 a 756.50 1583.50 8752.17
1950 2143.50 1502.00 1282.00 863.50 405.00 62.00 20.50 53.50 151.50 471.50 1201.50 1596.00 9752.50
1951 1804.72 a 1369.41 a 1486.50 669.00 199.00 162.00 23.50 49.50 291.00 620.00 a 1183.00 1758.50 9616.12
1952 1831.00 1320.50 1377.00 518.00 267.50 31.50 7.23 a 14.00 118.50 593.00 959.50 1361.50 8399.23
1953 1544.50 1247.50 1088.50 744.50 322.40 a 86.00 15.00 1.50 160.00 328.00 875.00 1344.50 7757.40
1954 1901.85 a 857.00 1178.50 626.00 403.00 93.00 13.95 a 11.00 191.50 602.00 836.25 b 1306.00 8020.05
1955 1550.00 1560.00 1257.50 395.69 a 159.00 89.00 6.50 8.50 201.50 473.00 1356.00 1759.00 8815.69
1956 1679.50 1590.50 1236.50 819.00 290.50 15.00 8.50 27.00 217.50 372.00 993.00 1307.00 8556.00
1957 1833.00 1339.00 1078.28 a 635.50 312.00 71.00 0.00 41.50 252.50 558.00 1008.50 1224.50 8353.78
1958 1373.62 b 1401.00 1053.50 595.00 194.50 177.00 43.50 33.00 166.55 a 492.50 997.50 1548.50 8076.17
1959 1770.00 1528.59 a 957.00 608.50 336.00 32.50 5.50 7.48 b 199.50 706.50 1273.00 1177.50 8602.08
1960 1642.50 1482.00 1457.50 635.00 286.00 84.00 11.50 12.50 184.50 502.00 999.00 1566.50 8863.00
1961 1569.00 1263.50 875.50 758.00 376.00 35.00 13.50 2.50 295.50 507.88 a 992.50 1650.50 8339.38
1962 1694.00 1484.00 1275.50 619.50 241.00 71.00 27.50 12.50 262.00 447.50 870.50 1384.50 8389.50
1963 1864.50 1343.50 865.50 580.00 314.00 26.50 0.00 22.50 116.50 274.00 890.50 1695.00 7992.50
1964 1481.50 1206.50 1320.00 582.50 221.50 87.00 6.50 76.00 259.00 538.00 1090.50 1803.50 8672.50
1965 1905.00 1462.00 1447.50 662.50 264.50 47.50 6.50 36.50 472.00 422.50 1034.50 1260.50 9021.50
1966 2044.00 1496.50 976.50 774.50 340.50 85.00 0.00 60.00 189.50 531.50 1199.50 1457.50 9155.00
1967 1574.00 1507.00 1019.00 696.50 401.50 56.50 29.00 20.00 137.50 576.00 1021.00 1499.50 8537.50
1968 1676.50 1462.50 868.00 601.50 403.00 66.00 21.50 38.50 172.00 529.00 990.00 1684.50 8513.00
1969 1975.50 1379.26 a 1412.50 557.00 268.50 185.00 8.00 4.00 153.00 723.50 964.50 1439.50 9070.26
1970 1921.00 1384.50 1355.50 725.00 280.00 29.50 5.00 11.50 228.00 583.50 1142.50 1601.00 9267.00
1971 1919.50 1448.00 1098.50 548.50 357.00 24.00 42.00 23.50 216.50 539.00 1046.50 1669.50 8932.50
1972 1900.00 1695.50 1225.00 702.50 249.00 73.00 22.00 30.50 199.00 676.50 1097.50 1805.00 9675.50
1973 1538.00 1228.00 875.50 669.00 269.00 65.00 21.00 1.00 244.00 445.50 1108.50 1616.50 8081.00
1974 1782.50 1346.50 1139.50 622.50 367.00 73.00 1.50 49.50 269.50 485.50 1024.00 1336.00 8497.00
1975 1552.50 1493.00 1328.00 914.00 267.50 77.00 9.00 25.00 253.50 488.50 964.50 1454.50 8827.00
1976 1662.00 1159.00 1124.00 533.50 293.43 b 51.50 g 5.50 15.00 231.60 e 775.00 a 1218.75 b 1625.00 8642.78
1977 2020.50 1154.00 1010.08 a 410.50 93.55 c 36.50 14.50 64.00 197.50 0.00 z 1190.50 1730.00 7921.64
1978 2085.00 1661.00 1205.50 670.00 246.40 b 88.50 13.50 22.00 170.00 c 535.00 1229.50 1669.00 9595.40
1979 2052.00 1782.00 1319.50 820.00 458.28 a 76.00 15.50 48.50 112.00 572.50 1129.00 1212.00 9597.28
1980 1647.50 1474.50 1270.00 477.50 229.52 e 44.50 6.00 30.50 184.00 615.00 847.00 1422.50 8248.52
1981 1436.50 1205.08 b 937.48 b 476.50 329.78 b 80.50 16.00 8.50 172.00 576.50 853.00 1638.87 a 7730.70
1982 2121.00 1472.00 1210.50 701.50 268.00 141.00 0.00 69.50 233.50 578.50 1194.00 1328.00 9317.50
1983 1382.50 1107.00 1062.50 737.00 394.50 89.00 3.00 0.00 228.50 596.00 1054.50 2021.00 8675.50
1984 1573.00 1075.00 1255.50 639.00 331.50 56.00 11.00 14.00 328.00 548.00 1030.00 1653.00 8514.00
1985 1724.00 1431.50 948.50 498.00 146.50 168.10 a 7.00 76.00 336.00 631.00 1508.00 1813.50 9288.10
1986 1459.00 1506.00 910.50 637.50 296.00 29.50 6.50 63.50 294.50 559.00 1219.00 1260.50 8241.50
1987 1307.50 971.00 1006.50 382.00 150.50 32.00 10.00 74.00 160.00 0.00 z 0.00 z 0.00 z 4093.50
1988 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 24.00 181.50 625.50 1106.00 1418.00 3355.00
1989 1537.50 1652.50 1289.50 592.00 216.00 69.00 0.00 12.50 188.00 531.00 1123.50 1754.00 8965.50
1990 1254.50 1233.50 924.50 620.00 292.00 56.00 7.00 7.00 147.00 577.50 949.50 1629.00 7697.50
1991 1649.00 1097.50 997.00 496.50 216.00 10.00 4.50 0.50 187.50 642.00 1209.00 1292.50 7802.00
1992 1356.50 1092.00 907.00 643.50 200.50 85.00 69.00 75.00 201.00 583.50 1142.00 1644.50 7999.50
1993 1720.50 1500.00 1084.00 631.50 250.50 142.50 40.50 32.50 288.50 599.50 1154.00 1497.50 8941.50
1994 2046.50 1661.00 1030.50 591.50 172.50 20.50 16.00 50.50 135.50 481.00 955.50 1449.00 8610.00
1995 1626.00 1328.00 1189.00 750.00 300.00 49.00 9.00 0.00 226.50 605.50 1178.00 1514.00 8775.00
1996 1891.50 1383.00 1357.50 723.00 344.00 39.00 8.50 4.00 227.50 574.50 1411.50 1801.00 9765.00
1997 1883.00 1362.50 1235.50 759.50 282.00 6.00 17.00 30.50 91.50 499.50 1201.00 1224.50 8592.50
1998 1603.00 1044.00 1223.00 464.00 137.50 112.50 2.00 1.50 74.00 514.50 985.50 1317.50 7479.00
1999 1747.00 1068.00 909.50 548.00 222.50 63.50 1.00 5.50 246.50 586.00 785.50 1213.50 7396.50
2000 1563.00 1131.00 872.50 603.50 185.50 82.50 18.50 11.00 182.50 495.00 1209.50 1890.00 8244.50
2001 1500.50 1613.00 0.00 z 0.00 z 0.00 z 76.00 12.50 8.50 175.00 568.50 728.28 a 1366.00 6048.28
2002 1374.50 1060.50 1354.50 650.50 410.50 31.00 1.50 24.00 145.00 814.00 983.50 1273.00 8122.50
2003 1038.50 j 1534.00 1255.00 593.50 320.00 96.50 2.50 i 13.50 147.00 g 224.50 n 124.50 z 761.50 l 3812.50
2004 1167.00 k 713.00 n 790.50 f 473.00 f 288.50 k 111.00 f 49.50 f 99.50 f 176.40 e 382.50 g 552.50 k 1067.50 f 176.40
2005 1359.00 g 1196.09 e 911.50 f 546.60 e 253.00 g 28.50 f 11.92 e 18.48 e 83.00 g 381.00 h 924.60 e 1129.50 g 2697.69
2006 840.00 j 1056.50 f 1080.50 462.50 287.00 40.00 k 4.00 h 6.50 269.00 713.00 e 565.50 m 1248.00 4066.50
2007 967.00 m 979.50 l 611.00 j 436.00 m 205.00 59.40 e 5.00 g 18.50 p 142.00 i 259.00 n 345.50 s 1165.50 i 264.40
2008 1239.00 j 874.00 l 748.00 j 614.50 f 271.00 j 63.50 f 3.00 f 8.00 f 173.00 406.50 i 825.00 f 1015.00 m 173.00
2009 1966.00 1552.38 b 1466.50 864.00 455.46 e 234.00 79.50 i 120.00 h 147.50 i 935.00 707.00 h 1791.00 9264.35
2010 1409.50 h 1118.00 i 777.50 i 401.50 i 496.00 e 94.00 i 16.00 m 51.00 g 297.00 g 480.00 h 939.00 h 1105.50 l 496.00
2011 1444.50 i 1580.00 1510.70 c 816.43 b 349.00 m 52.00 k 0.00 k 2.00 p 152.00 f 475.52 c 686.00 h 961.50 g 4382.64
2012 1303.72 d 1239.15 e 561.00 g 408.00 g 147.00 j 10.50 h 0.00 e 22.00 f 197.59 a 0.00 z 998.40 e 1540.50 5279.35
2013 0.00 z 1457.17 d 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 1457.17
Period of Record Statistics
MEAN 1693.82 1407.74 1155.25 633.92 294.63 81.11 13.57 30.11 212.87 561.54 1069.58 1517.31 8681.32
S.D. 238.43 211.90 193.53 123.09 94.83 47.92 13.44 24.30 73.10 108.84 150.63 195.36 601.25
SKEW 0.15 0.07 0.10 -0.07 0.15 1.01 1.62 0.74 0.48 0.24 0.17 0.00 0.08
MAX 2228.50 2155.00 1651.50 914.00 496.00 234.00 69.00 89.00 472.00 935.00 1508.00 2021.00 9915.00
MIN 1254.50 857.00 676.00 369.50 93.55 6.00 0.00 0.00 53.00 274.00 728.28 1080.98 7396.50
NO YRS 81 85 82 81 81 79 82 81 87 81 78 85 63