WAHPETON 3 N, NORTH DAKOTA

Monthly Total Heating Degree Days

(329100)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 199910
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 2006.22 a 1776.00 1516.50 838.50 320.00 23.50 14.50 65.50 257.00 615.00 1154.00 1859.50 10446.22
1894 1840.00 1495.00 1086.50 608.50 263.50 30.00 10.50 20.50 217.50 572.50 1247.50 1262.50 8654.50
1895 2031.00 1689.00 1188.00 386.50 253.50 99.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1476.50 7124.00
1896 1749.00 0.00 z 1477.50 601.50 203.00 58.50 27.50 65.00 296.00 680.50 1497.00 1428.00 8083.50
1897 1908.50 1491.00 b 1459.00 557.50 240.50 133.50 4.00 42.50 67.50 454.67 a 1086.92 d 1583.00 9028.59
1898 1404.00 1304.50 1075.00 506.50 288.50 34.50 12.50 35.00 193.50 380.50 l 1150.50 1583.00 7587.50
1899 1108.00 i 145.50 z 0.00 z 83.00 u 273.00 46.55 a 10.50 17.50 275.00 544.00 789.00 1532.00 3487.55
1900 1480.50 1624.50 1222.50 406.50 156.00 62.50 7.00 1.00 241.50 411.00 1269.00 1480.50 8362.50
1901 1706.50 1551.50 1110.00 516.50 198.50 99.00 9.00 f 27.50 280.50 444.16 b 1078.00 1085.00 h 7012.16
1902 1459.00 1298.00 920.00 632.00 208.50 117.50 13.50 36.50 303.10 a 0.00 z 1013.00 1680.50 7681.60
1903 1623.00 1672.50 1104.00 583.50 239.00 0.00 z 38.75 e 68.00 300.50 496.50 1093.00 937.00 m 7218.75
1904 1798.00 1752.43 a 1193.00 750.00 225.50 127.20 e 22.50 72.00 247.00 468.50 834.00 1450.00 8940.13
1905 1819.50 1434.50 868.50 632.00 153.50 o 92.50 38.75 a 13.90 b 124.50 688.00 945.50 1473.57 b 8131.22
1906 1588.20 c 1436.00 1355.50 467.88 d 351.85 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 5199.43
1907 2040.00 1444.00 1160.50 889.14 a 568.33 a 119.00 21.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 6242.47
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 1545.00 1518.50 1240.00 943.00 410.50 93.50 24.50 51.50 261.00 723.00 1086.00 1835.41 b 9731.91
1910 1750.97 b 1749.50 793.00 600.50 503.50 131.50 0.00 z 0.00 z 0.00 z 0.00 z 1292.00 1700.00 8520.96
1911 1951.50 1599.11 a 1025.00 694.50 260.00 111.00 85.25 a 123.00 299.50 733.50 1517.88 d 1461.02 d 9861.26
1912 2202.50 1507.50 1324.00 574.14 a 320.00 78.00 t 13.00 30.48 a 300.52 a 390.50 f 941.40 e 1179.19 e 8392.73
1913 1176.50 h 1445.50 1357.50 561.00 450.50 78.33 c 45.50 26.00 264.50 726.50 882.93 a 1291.00 7129.26
1914 1590.50 1827.00 1259.50 777.00 281.50 82.00 15.50 94.00 159.00 408.50 949.29 b 1715.50 9159.29
1915 1804.00 1273.00 1298.00 402.00 409.50 234.00 112.00 147.50 226.00 467.00 958.50 1510.50 8842.00
1916 2060.31 e 1722.50 1349.00 717.00 401.50 170.50 1.00 63.00 287.00 846.50 1227.50 1803.00 10648.81
1917 1958.50 1805.50 1204.50 747.00 374.00 164.00 28.00 57.00 249.31 a 911.00 846.00 1943.50 10288.31
1918 2065.50 1485.50 906.50 698.50 346.50 79.00 25.83 a 21.00 359.50 469.00 955.00 1393.50 8805.33
1919 1457.50 1480.00 1189.00 577.00 285.50 79.50 6.50 40.00 108.00 i 867.50 1382.50 1757.00 9122.00
1920 1911.00 1523.00 1160.50 887.00 285.00 100.50 24.50 37.00 144.00 388.50 1069.66 a 1406.50 8937.16
1921 1457.50 1164.59 a 1127.07 c 526.00 293.50 51.50 3.58 e 33.00 174.50 478.00 1249.00 1418.00 7976.24
1922 1684.85 a 1684.00 1102.00 605.69 a 167.50 43.50 40.00 20.00 147.00 463.50 848.00 1584.50 8390.54
1923 1661.50 1581.50 1312.00 639.00 263.50 37.00 1.00 41.50 113.00 516.00 798.00 1200.22 a 8164.22
1924 1855.00 1234.00 1087.50 620.00 480.00 119.48 a 18.00 42.00 233.50 305.00 990.00 1805.50 8789.98
1925 1709.65 a 1303.50 960.50 389.00 343.50 144.00 44.50 15.50 139.00 861.00 1033.50 1519.00 8462.65
1926 1486.50 1172.00 1189.50 611.00 168.00 120.50 5.50 18.50 297.50 591.00 1230.50 1655.00 8545.50
1927 1619.50 1312.50 992.00 591.00 364.50 117.00 30.43 d 59.00 253.50 503.00 1205.50 1964.00 9011.93
1928 1581.50 1275.50 1053.50 767.50 184.50 144.44 c 7.50 35.50 234.50 512.50 911.00 1249.00 7956.94
1929 2073.38 a 1657.50 944.50 552.50 409.00 80.50 7.00 4.50 277.50 467.50 1120.00 1586.00 9179.88
1930 1914.50 1078.50 1045.00 505.00 279.52 a 55.00 9.50 4.50 179.00 606.57 a 940.50 1335.50 7953.08
1931 1265.00 975.00 1063.50 532.50 333.50 33.50 6.50 34.50 89.50 385.00 881.00 1295.00 6894.50
1932 1576.00 1367.50 1327.50 574.50 228.00 0.50 15.00 5.50 149.50 625.68 a 1118.50 1571.50 8559.68
1933 1505.50 1536.50 1043.50 621.50 236.50 15.00 0.00 10.50 65.00 585.50 1098.00 1653.50 8371.00
1934 1491.62 a 1285.50 1141.50 596.50 107.50 31.50 17.00 60.97 a 228.50 371.50 815.50 1534.00 7681.58
1935 1814.53 a 1047.50 1022.50 685.50 359.00 104.48 a 0.00 48.50 148.00 538.00 1261.50 1524.50 8554.02
1936 2088.50 2088.50 1161.50 787.00 128.65 a 50.00 0.00 9.50 138.00 622.50 1158.50 1464.50 9697.15
1937 2113.50 1588.00 1262.50 692.00 221.00 94.00 7.50 4.50 201.50 615.00 1096.00 1627.00 9522.50
1938 1762.50 1471.50 901.50 579.50 330.00 48.50 7.23 a 8.00 133.00 347.00 1140.50 1426.00 8155.23
1939 1589.50 1758.50 1223.50 688.50 123.50 57.50 2.00 8.50 199.00 601.00 856.00 1139.25 a 8246.75
1940 1858.00 1378.50 1308.00 687.50 298.00 51.21 a 10.50 59.50 101.38 a 358.50 1177.00 1404.82 a 8692.90
1941 1615.50 1450.30 a 1159.00 496.55 a 171.53 a 86.38 a 18.00 30.50 206.00 537.50 949.50 1295.50 8016.26
1942 1396.50 1352.00 934.50 454.50 356.50 93.00 26.00 26.50 314.00 513.50 1072.00 1710.00 8249.00
1943 2009.00 1420.00 1405.50 557.50 371.50 96.00 0.50 19.00 235.34 a 470.50 1052.00 1308.50 8945.34
1944 1265.83 a 1439.50 1307.00 702.00 237.00 32.00 g 12.50 42.00 185.50 470.50 911.00 1452.00 8024.83
1945 1584.50 1399.50 868.00 685.00 413.85 a 165.50 28.00 11.37 a 271.00 542.50 1107.50 1733.50 8810.22
1946 1771.50 1578.77 b 901.50 463.00 371.00 86.00 5.17 a 29.00 213.00 595.72 a 1088.79 a 1539.67 a 8643.11
1947 1412.50 1526.00 a 1174.00 698.50 408.00 113.50 20.67 a 8.50 194.46 b 306.00 1207.76 a 1628.00 8697.89
1948 1882.00 1649.50 1359.50 544.00 253.00 52.00 0.00 13.43 a 83.00 489.80 a 986.79 b 1567.50 8880.52
1949 1822.28 a 1664.96 a 1224.50 a 483.46 d 202.50 44.48 a 5.50 21.91 b 221.00 489.00 850.00 1562.50 8592.10
1950 2101.50 1547.00 1292.00 893.00 389.00 46.00 21.50 43.00 121.55 a 460.50 1161.72 a 1727.50 9804.28
1951 1893.50 1388.00 1494.00 678.62 a 171.00 136.50 19.50 31.00 263.50 588.00 1240.00 1727.50 9631.12
1952 1869.00 1369.21 a 1376.50 536.50 255.50 33.00 4.50 8.00 130.50 605.50 916.50 1378.00 8482.71
1953 1629.00 1315.00 1069.50 728.50 273.50 63.50 11.00 2.50 167.07 a 327.50 855.00 1518.00 7960.07
1954 1983.48 a 1021.50 1162.00 620.00 409.00 58.97 a 12.00 12.92 a 193.45 a 569.22 b 831.72 a 1331.45 a 8205.71
1955 1637.66 b 1574.50 1330.42 a 358.45 a 133.00 57.00 1.00 9.00 184.50 446.40 a 1292.07 a 1779.92 a 8803.91
1956 1741.50 1636.00 1308.00 803.00 302.77 a 17.07 a 15.00 32.07 b 256.50 331.50 981.50 1400.50 8825.40
1957 1830.50 1354.50 1094.00 617.50 272.50 46.55 a 0.00 25.83 a 235.00 547.15 a 1002.41 a 1281.50 8307.45
1958 1424.50 1428.50 1039.00 537.50 200.47 a 156.00 28.00 31.00 133.00 375.32 c 991.15 d 1566.61 c 7911.05
1959 1768.60 b 1470.58 d 994.00 623.89 c 260.29 b 39.50 2.50 4.28 b 178.00 317.00 p 1257.50 1159.00 7758.14
1960 1639.26 b 1476.50 1461.65 a 647.50 242.00 62.68 b 5.50 6.50 170.50 448.00 965.50 1605.59 b 8731.17
1961 1645.21 c 1198.52 e 878.52 c 761.50 335.32 a 30.00 2.67 b 3.50 258.10 a 475.50 996.00 1628.00 8212.85
1962 1743.75 c 1532.50 1267.90 a 794.50 265.50 79.00 16.00 8.00 296.50 466.00 914.00 1489.00 8872.65
1963 1961.50 1538.00 1101.50 606.50 294.00 34.50 0.00 20.00 113.50 237.00 885.00 1718.00 8509.50
1964 1496.00 1277.50 1326.50 558.50 176.50 62.50 5.50 64.00 243.50 522.50 1003.00 1786.50 8522.50
1965 1957.00 1564.00 1492.50 658.00 215.50 28.50 5.50 45.50 445.00 443.50 1049.00 1275.50 9179.50
1966 2066.50 1518.00 1004.00 782.50 348.00 54.50 0.00 55.50 206.00 555.00 1181.00 1551.50 9322.50
1967 1633.70 a 1605.50 1079.00 678.00 405.00 45.00 30.00 40.50 137.50 582.00 1010.00 1461.00 8707.20
1968 1704.00 1547.50 844.00 578.00 352.50 56.00 19.00 36.00 170.00 532.50 998.50 1672.00 8510.00
1969 1986.50 1398.50 1452.50 577.00 258.00 149.00 13.95 a 4.50 170.00 686.00 980.50 1467.50 9143.95
1970 1954.00 1457.50 1339.50 672.50 279.00 34.00 3.00 11.50 217.50 544.50 1094.00 1616.00 9223.00
1971 1955.50 1441.00 1127.50 547.50 299.00 23.00 31.50 22.00 193.00 490.50 1037.00 1625.00 8792.50
1972 1889.00 1706.00 1224.00 452.50 l 207.70 a 55.00 20.00 37.50 224.00 653.50 1084.50 1845.00 8946.20
1973 1604.50 1286.00 840.50 606.00 245.50 21.00 6.20 a 1.00 246.00 378.00 1069.00 1605.00 7908.70
1974 1861.50 1443.00 1231.50 617.50 356.00 46.50 1.00 60.00 258.00 461.00 972.00 1292.50 8600.50
1975 1623.50 1509.50 1399.00 845.50 203.50 53.50 12.00 10.00 253.50 455.00 948.50 1485.50 8799.00
1976 1709.00 1165.50 1144.50 232.00 p 219.00 30.50 4.00 7.00 174.50 690.00 1183.00 1702.50 8029.50
1977 2100.25 a 1282.00 996.50 415.00 56.00 18.50 3.00 54.50 182.50 540.50 1156.50 274.50 z 6805.25
1978 2004.50 1654.00 1238.00 635.50 182.00 56.50 8.50 18.00 140.00 515.50 1200.50 1682.00 9335.00
1979 2075.00 1806.50 1331.00 801.00 433.48 a 52.24 a 3.10 a 56.00 136.55 a 606.00 1119.00 1267.00 9686.88
1980 1678.50 1551.00 1328.00 461.00 178.00 32.00 1.03 a 24.28 a 223.50 631.50 890.00 1462.17 a 8460.98
1981 1543.50 1209.00 896.50 484.50 240.00 52.50 9.50 11.00 207.00 600.00 863.00 1646.00 7762.50
1982 2157.00 1511.50 1228.00 678.50 181.00 122.00 0.00 46.50 222.00 547.50 1140.50 1299.50 9134.00
1983 1455.00 1149.50 1048.50 695.00 333.50 47.50 8.50 0.00 214.00 587.50 987.50 2025.50 8552.00
1984 1690.50 1157.50 1280.00 582.00 279.00 34.50 14.50 13.50 301.00 518.50 1005.52 a 1645.50 8522.02
1985 1783.00 1456.50 965.00 483.50 131.50 122.50 6.50 46.50 294.00 620.00 1444.00 1869.50 9222.50
1986 1557.00 1505.00 1014.50 597.50 225.00 21.00 0.00 61.50 256.50 568.50 1209.00 1303.50 8319.00
1987 1397.50 1006.00 985.50 362.00 117.50 17.00 7.50 43.00 135.00 640.00 897.50 1334.50 6943.00
1988 1753.50 1537.00 1043.00 551.90 a 83.50 1.50 0.00 22.50 167.50 645.50 1102.00 1492.50 8400.40
1989 1614.50 1735.50 1366.50 630.50 190.50 67.50 0.00 10.00 176.00 538.50 1181.50 1788.50 9299.50
1990 1278.50 1242.50 959.00 633.00 285.00 53.50 7.50 12.00 144.50 561.00 916.50 1610.50 7703.50
1991 1758.00 1189.00 1042.50 492.50 208.00 11.50 2.00 4.00 213.50 629.00 1250.00 1412.50 8212.50
1992 1421.00 1139.00 950.00 682.00 200.50 97.00 57.50 74.50 197.00 597.50 1158.50 1651.50 8226.00
1993 1799.50 1531.50 1230.50 629.00 248.00 101.00 18.00 19.00 278.50 599.00 1163.50 1532.00 9149.50
1994 2125.50 1666.00 1077.00 580.50 201.50 19.50 10.50 37.50 114.50 448.00 900.00 1402.50 8583.00
1995 1665.50 1432.50 1142.00 745.00 282.00 26.50 8.50 1.50 216.50 622.50 1225.50 1574.00 8942.00
1996 1980.00 1492.00 1383.50 731.00 327.00 35.00 5.50 1.50 200.50 542.50 1381.50 1820.00 9900.00
1997 1926.50 1419.50 1321.00 750.50 312.00 0.00 29.50 35.50 92.50 493.50 1197.50 1236.50 8814.50
1998 1625.00 1045.00 1180.50 456.50 113.50 90.00 0.00 0.00 76.50 490.00 992.50 1354.50 7424.00
1999 1786.50 1149.00 963.50 538.00 202.50 52.00 0.50 4.50 233.00 581.25 a 0.00 z 0.00 z 5510.75
Period of Record Statistics
MEAN 1751.00 1451.76 1159.91 619.76 272.40 70.14 14.16 30.50 206.36 537.55 1065.71 1536.65 8708.22
S.D. 222.91 206.12 173.76 122.54 95.25 44.39 17.02 25.95 68.45 121.47 157.11 192.79 680.54
SKEW -0.07 -0.07 0.01 0.20 0.36 0.89 2.91 1.55 0.24 0.47 0.49 0.14 0.23
MAX 2202.50 2088.50 1516.50 943.00 568.33 234.00 112.00 147.50 445.00 911.00 1517.88 2025.50 10648.81
MIN 1265.00 975.00 793.00 358.45 56.00 0.00 0.00 0.00 65.00 237.00 789.00 1139.25 6894.50
NO YRS 104 104 105 103 105 102 102 102 101 98 102 100 86