MAYVILLE, NORTH DAKOTA

Monthly Total Heating Degree Days

(325660)

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 1186.50 l 608.50 q 1587.50 1023.33 c 477.40 a 21.50 34.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3143.73
1894 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
1895 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
1896 1028.50 n 498.50 s 1474.50 748.50 177.50 0.00 z 0.00 z 74.50 k 345.00 b 791.57 b 1653.10 a 1530.62 c 6720.80
1897 1496.50 f 1544.48 c 1161.50 h 674.00 284.50 118.50 q 14.93 d 13.00 i 0.00 z 540.43 a 419.00 q 1018.00 m 3058.34
1898 1184.00 f 1391.83 d 1203.83 a 561.50 357.02 a 0.00 z 0.00 z 27.00 h 174.83 a 761.00 0.00 z 0.00 z 4450.01
1899 0.00 z 1723.04 a 1669.00 0.00 z 283.13 a 62.50 23.00 34.50 252.50 635.50 786.50 1061.00 h 5469.67
1900 1476.24 b 1734.38 b 1323.00 260.50 h 174.00 47.50 9.50 54.50 360.00 455.50 1270.00 1411.10 e 8315.72
1901 1811.43 a 1610.52 a 1226.57 a 546.92 d 199.50 101.50 10.13 e 31.00 324.50 527.00 1148.50 1673.00 9210.58
1902 1663.50 1487.11 a 1131.50 748.00 278.50 151.50 15.50 0.00 z 298.80 e 0.00 z 1080.50 1766.00 8620.91
1903 1780.50 1648.50 1311.00 694.04 d 431.93 a 209.50 106.43 a 159.50 i 387.93 a 420.50 f 1152.78 c 1067.50 l 7722.61
1904 676.50 v 446.50 v 0.00 z 0.00 z 318.50 67.50 m 62.52 a 72.85 a 217.50 494.00 700.00 1564.50 3429.87
1905 1946.00 1500.59 a 1057.00 723.00 451.00 166.50 43.50 28.00 0.00 z 711.00 1025.00 1568.00 9219.59
1906 1662.00 1577.50 1361.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 180.50 y 1198.39 b 1154.50 l 5798.89
1907 1686.00 i 1526.00 b 1330.93 a 999.50 648.42 a 0.00 z 18.50 82.67 a 127.50 x 650.50 1041.50 1446.31 b 7744.33
1908 1566.57 b 1571.44 e 1453.00 580.71 b 410.00 98.00 30.50 84.70 c 195.00 454.00 l 959.50 1623.00 8572.42
1909 1886.00 1583.50 1265.50 889.50 376.00 70.86 a 9.50 28.50 203.00 558.00 844.00 0.00 z 7714.36
1910 1687.43 a 1626.00 691.30 a 538.39 b 328.50 68.57 b 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4940.20
1911 2137.00 1495.50 901.00 581.11 c 204.94 d 8.50 9.62 b 14.00 n 231.21 a 525.21 e 978.00 i 1138.00 j 6094.09
1912 2207.95 b 1528.71 a 1405.50 558.62 a 233.50 138.00 32.00 61.50 365.36 b 558.50 948.00 1406.50 9444.14
1913 1988.98 c 1619.00 1459.00 490.00 412.50 65.50 31.00 1.50 221.00 734.50 886.55 a 1159.50 9069.03
1914 1554.50 1859.50 1180.00 700.00 242.00 52.00 5.00 89.50 137.00 378.00 980.50 1856.50 9034.50
1915 1869.00 1330.50 1224.50 391.50 387.50 205.00 67.00 74.50 238.00 484.24 b 1090.50 1526.50 8888.74
1916 2158.00 1736.50 1398.00 701.90 a 372.00 169.50 3.50 69.00 264.00 717.00 1027.00 1900.00 10516.40
1917 2080.50 1857.00 1259.50 784.50 399.50 177.50 25.00 66.00 220.50 895.00 856.50 1973.15 a 10594.65
1918 2035.00 1467.50 859.00 646.50 356.00 90.00 52.00 0.00 m 388.50 532.00 999.50 1480.50 8906.50
1919 1527.00 1582.00 1346.43 a 657.50 308.45 a 83.00 2.50 51.50 155.00 891.50 1449.50 1828.00 9882.38
1920 2087.00 1651.00 1325.50 987.00 374.50 153.00 32.50 48.00 211.00 499.50 1120.00 1570.00 10059.00
1921 1623.00 1353.50 1356.50 725.00 341.50 83.50 7.50 58.79 b 197.50 570.00 1360.50 1581.00 9258.29
1922 1838.00 1777.50 1186.50 698.00 264.50 105.00 b 86.00 0.00 z 0.00 z 0.00 z 937.00 1791.00 8683.50
1923 1780.43 a 1712.50 1488.50 821.50 0.00 z 73.00 0.00 z 0.00 z 191.50 662.50 0.00 z 0.00 z 6729.93
1924 1336.00 k 1375.50 1205.00 788.50 642.00 213.50 52.18 a 77.00 282.50 340.50 f 1103.50 1903.00 7642.68
1925 1747.00 1417.00 1152.00 455.50 382.00 110.00 47.00 8.50 207.50 918.00 1063.00 1575.32 a 9082.82
1926 1511.00 1213.50 1260.00 620.00 203.50 165.00 34.00 43.50 315.52 a 658.00 1301.00 1762.50 9087.52
1927 1710.00 1442.00 1039.00 664.50 473.00 132.00 38.50 87.50 269.48 a 532.50 1244.00 1969.50 9601.98
1928 1589.00 1307.50 1176.00 786.50 228.50 172.50 8.00 63.50 275.00 583.50 969.50 1306.00 8465.50
1929 2174.00 1717.50 996.65 a 656.00 459.00 126.50 22.50 25.00 342.50 551.50 1267.00 1702.93 a 10041.08
1930 2019.13 a 1216.50 1148.00 562.50 386.50 59.50 11.33 e 25.50 266.50 748.50 1132.00 1476.00 9051.96
1931 1488.50 1147.50 1228.50 658.50 406.62 a 48.00 6.00 60.00 138.62 a 458.50 998.50 1399.50 8038.74
1932 1661.50 1524.57 a 1449.00 672.00 276.50 6.50 36.50 0.00 z 194.00 739.50 1231.50 1663.50 9455.07
1933 1681.00 1614.00 1191.00 744.00 285.00 16.00 0.50 20.50 124.50 756.00 1215.00 1889.40 b 9536.90
1934 1565.00 1368.23 b 1199.00 620.50 149.00 42.50 5.00 74.00 300.50 459.50 916.50 1696.50 8396.23
1935 2018.00 1123.11 a 1157.00 766.55 a 395.77 a 80.50 0.00 53.50 211.00 557.50 1432.00 1643.00 9437.93
1936 2236.00 2206.50 1243.50 838.50 130.50 32.00 0.00 7.00 121.50 667.00 1090.86 a 1502.00 10075.36
1937 2197.00 1619.00 1309.00 710.50 227.50 90.50 20.00 0.00 z 190.00 694.50 1233.50 1663.00 9954.50
1938 1813.00 1554.50 872.50 599.50 406.00 147.50 5.50 4.00 103.00 350.82 a 1220.50 1562.50 8639.32
1939 1679.00 1801.50 1269.50 805.00 159.00 120.50 0.00 26.00 203.00 751.00 872.50 1158.50 8845.50
1940 1826.42 a 1395.00 1395.00 794.50 314.50 145.00 9.00 62.50 98.00 382.00 1269.50 1526.00 9217.42
1941 0.00 z 1599.00 1260.50 542.50 203.50 100.00 16.00 37.50 273.50 591.50 1023.50 1355.73 a 7003.23
1942 1407.50 1482.00 977.50 542.00 369.50 106.00 14.00 0.00 z 0.00 z 0.00 z 1072.50 1799.00 7770.00
1943 2070.50 1469.00 1415.00 587.00 403.00 44.00 s 1.50 16.50 235.50 488.50 1052.50 1388.59 b 9127.59
1944 1350.50 1496.09 a 1400.50 702.50 257.00 95.50 18.50 52.00 236.50 486.50 997.50 1518.00 8611.09
1945 1662.50 1369.00 900.50 773.00 523.00 194.50 37.50 5.00 330.00 596.00 1189.00 1799.00 9379.00
1946 1816.50 1611.00 899.00 486.50 389.00 100.50 8.50 46.50 a 267.50 669.00 1129.50 1660.50 9084.00
1947 1518.00 1570.00 1244.50 734.50 431.00 135.50 13.50 16.00 263.00 362.00 1288.00 1661.00 9237.00
1948 1892.50 1713.50 1500.50 714.50 284.00 81.00 14.00 16.50 101.50 513.05 a 1058.50 1669.50 9559.05
1949 1898.00 1779.00 1337.50 512.00 262.39 c 69.00 11.50 19.00 230.00 562.50 903.50 1722.50 9306.89
1950 2304.00 1644.22 a 1402.00 961.50 463.00 78.50 23.50 79.50 172.50 553.50 1256.38 a 1802.02 d 10740.62
1951 1973.67 a 1478.50 1485.93 a 754.50 227.00 151.55 a 30.48 a 66.13 a 297.00 670.00 1302.50 1801.50 10238.77
1952 1961.50 1378.02 a 1319.50 516.00 319.00 44.50 19.50 27.90 a 173.28 a 664.50 1006.00 1429.50 8859.19
1953 1653.50 1294.00 1159.00 807.93 a 320.50 97.50 24.28 a 10.00 219.00 379.00 878.50 1504.50 8347.71
1954 2038.50 1030.00 1235.00 722.00 466.50 120.50 22.00 37.20 a 240.50 585.50 916.00 1363.50 8777.20
1955 1741.50 1656.00 1521.67 b 451.50 210.80 a 82.00 5.50 10.50 245.00 518.00 1403.00 1854.50 9699.97
1956 1844.00 1735.50 1454.50 907.00 364.50 22.00 29.00 25.00 283.00 449.50 a 1017.50 1504.00 9635.50
1957 1923.50 1480.00 1198.00 693.50 290.88 a 94.50 2.00 27.00 301.00 606.50 1088.50 1327.50 9032.88
1958 1460.00 1476.50 1113.42 a 597.00 246.00 158.28 a 53.00 55.69 d 185.00 524.00 1099.50 1721.50 8689.88
1959 1925.10 a 1600.67 a 1025.50 671.00 349.50 62.50 8.00 19.50 263.50 774.50 1331.00 1243.50 9274.27
1960 1765.00 1588.00 1511.00 706.50 313.50 102.50 31.00 11.00 200.50 534.50 1046.50 1692.50 9502.50
1961 1742.50 1340.00 975.50 813.00 380.50 56.00 8.00 6.00 339.00 556.50 1076.00 1736.50 9029.50
1962 1893.50 1675.00 1377.50 787.50 308.50 55.50 21.50 18.50 269.50 465.50 962.00 1464.23 a 9298.73
1963 1917.00 1502.50 998.00 634.00 353.00 53.50 5.00 22.50 134.00 259.50 959.50 1757.50 8596.00
1964 1570.50 1340.50 1404.50 622.50 206.50 113.00 3.50 103.50 299.00 578.00 1071.50 1926.50 9239.50
1965 2044.50 1592.00 1516.50 726.00 332.50 67.50 18.00 67.50 501.50 508.50 1149.50 1364.50 9888.50
1966 2209.50 1637.00 1096.00 818.50 424.00 102.50 0.00 90.50 212.00 585.50 1288.50 1660.00 10124.00
1967 1737.00 1734.00 1179.50 806.50 476.50 106.50 51.50 61.50 162.00 634.50 1080.50 1549.00 9579.00
1968 1815.00 1639.50 970.50 621.50 405.50 118.45 a 35.65 a 56.00 200.50 584.50 1028.50 1725.50 9201.10
1969 2069.50 1476.50 1474.00 596.00 292.00 194.50 17.50 7.50 194.50 759.50 1018.50 1494.50 9594.50
1970 1973.00 1483.50 1504.50 753.50 383.50 30.50 2.50 20.50 228.00 580.50 1122.00 1743.00 9825.00
1971 2075.00 1469.00 1229.50 611.00 302.00 26.00 41.00 28.50 230.50 545.00 1102.50 1629.50 9289.50
1972 1929.50 1737.00 1273.50 749.50 226.00 67.00 32.50 35.00 281.50 684.00 1120.50 1855.50 9991.50
1973 1590.50 1326.00 897.50 641.50 246.00 52.50 14.00 1.50 240.50 427.00 1207.00 1730.00 8374.00
1974 2009.50 1556.00 1383.50 689.50 397.50 72.00 2.00 75.50 298.50 527.50 1056.50 1366.50 9434.50
1975 1669.00 1554.00 1415.00 877.50 249.00 75.50 11.00 29.00 260.00 516.00 983.00 1561.50 9200.50
1976 1790.50 1252.50 1272.50 535.50 231.00 39.00 3.50 9.00 197.00 748.50 1202.50 1791.50 9073.00
1977 2087.50 1285.50 1034.00 448.50 80.00 21.50 3.50 101.02 b 250.00 525.50 1187.00 1861.00 8885.02
1978 2087.50 1697.11 a 1271.50 680.50 193.50 74.50 15.00 36.00 179.50 546.50 1297.24 a 1810.50 9889.35
1979 2177.00 1899.50 1391.00 922.50 478.00 77.50 7.00 51.50 147.50 620.52 a 1203.46 d 1360.50 10335.98
1980 1782.50 1588.00 1354.50 473.50 194.50 45.00 1.50 41.00 271.00 665.50 943.00 1570.31 b 8930.31
1981 1584.00 1245.50 945.50 540.00 271.00 82.00 14.00 10.00 259.00 645.00 861.00 1719.50 8176.50
1982 2305.00 1564.50 1319.50 730.00 256.00 195.50 4.00 90.50 277.00 580.00 1248.00 1370.00 9940.00
1983 1526.50 1244.50 1134.00 733.00 419.00 69.00 15.00 4.50 336.50 684.50 1110.00 2125.00 9401.50
1984 1809.00 1237.50 1388.50 671.50 318.50 54.00 13.50 20.50 345.50 583.00 1117.00 1766.50 9325.00
1985 1852.00 1530.50 1020.00 538.00 184.00 152.00 12.50 78.00 359.00 662.00 1496.00 655.50 t 7884.00
1986 1589.50 1504.50 1018.00 637.50 257.50 20.50 0.00 57.00 243.00 565.00 1332.00 1406.00 8630.50
1987 1473.00 1092.00 1100.50 367.00 155.00 27.00 14.00 55.00 146.00 664.00 937.00 1405.00 7435.50
1988 1869.00 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 0.00 z 0.00 z 1869.00
1989 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
1990 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
1991 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
1992 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
1993 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
1994 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
1995 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
1996 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
1997 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
1998 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
1999 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
2000 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
2001 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
2002 0.00 z 0.00 z 0.00 z 0.00 z 527.00 42.50 12.00 39.50 203.00 899.50 1132.50 1416.00 4272.00
2003 1741.00 1658.50 1356.25 a 657.50 356.00 81.50 12.50 14.00 227.00 545.50 1285.50 1423.00 9358.25
2004 1988.00 1549.00 1192.98 a 678.50 455.00 135.00 65.00 146.00 195.50 618.00 973.50 1528.00 9524.48
2005 1949.50 1418.15 a 1248.00 520.50 410.00 35.00 28.50 51.50 173.00 563.00 989.50 1475.00 8861.65
2006 1329.50 1583.50 1268.00 496.00 300.50 36.00 6.00 23.00 281.00 733.50 1085.50 1307.50 8450.00
2007 1705.50 0.00 z 1152.00 724.50 251.00 53.50 11.00 74.50 255.00 533.50 1072.50 1782.50 7615.50
2008 1906.50 1798.50 1383.50 773.50 442.50 110.00 19.00 30.50 236.00 613.50 1077.50 1940.50 10331.50
2009 2037.50 1545.00 1456.50 779.00 432.50 134.50 52.50 77.00 94.00 797.50 876.00 1767.50 10049.50
2010 1829.52 a 1612.50 1034.50 502.50 331.00 73.50 2.50 35.50 326.50 524.50 1125.00 1742.72 a 9140.23
2011 1985.66 c 1548.00 1520.66 c 758.00 409.95 b 101.25 b 4.65 a 9.62 b 196.67 c 531.77 e 1009.04 d 1359.02 c 9434.28
2012 1500.83 b 1289.90 e 907.02 b 640.38 d 270.06 e 47.78 c 1.11 c 39.61 d 276.50 728.50 1171.50 1643.00 8516.18
2013 1762.00 1577.50 1572.00 46.50 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 4911.50
Period of Record Statistics
MEAN 1827.10 1527.74 1246.70 678.31 328.61 91.80 19.93 43.50 240.28 596.84 1103.00 1612.98 9286.92
S.D. 228.29 189.50 193.55 132.65 106.22 50.38 19.66 29.14 72.74 124.89 162.30 198.73 625.52
SKEW -0.01 0.03 -0.39 0.17 0.32 0.56 1.72 0.66 0.43 0.26 0.48 -0.02 -0.07
MAX 2305.00 2206.50 1669.00 1023.33 648.42 213.50 106.43 146.00 501.50 918.00 1653.10 2125.00 10740.62
MIN 1329.50 1030.00 691.30 367.00 80.00 6.50 0.00 1.50 94.00 259.50 700.00 1158.50 7435.50
NO YRS 96 100 102 99 102 97 100 89 96 95 98 93 76