LEEDS, NORTH DAKOTA

Monthly Total Heating Degree Days

(325078)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 200705
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
1935 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 248.04 b 606.57 a 1527.50 1667.00 4049.10
1936 2331.50 2294.00 1237.93 a 833.50 0.00 z 35.00 4.50 55.00 214.50 0.00 z 0.00 z 0.00 z 7005.93
1937 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
1938 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
1939 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 738.50 940.50 0.00 z 1679.00
1940 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1.00 l 76.98 a 0.00 z 0.00 z 0.00 z 0.00 z 76.98
1941 0.00 z 1639.00 1441.50 664.14 a 283.00 140.50 52.70 a 24.50 350.50 680.97 a 1131.96 b 1383.00 7791.77
1942 1512.00 1513.04 a 1079.83 a 670.00 459.50 147.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 5381.87
1943 2090.00 1472.00 1512.50 610.00 440.50 175.50 2.50 21.50 293.79 a 518.00 1131.00 1383.00 9650.29
1944 1392.00 1613.50 1544.50 727.00 244.00 132.22 c 22.50 57.00 281.00 525.00 1189.50 1594.95 a 9323.17
1945 1710.00 1418.00 951.00 813.50 578.50 248.00 58.50 52.50 413.00 647.50 1373.00 1974.50 10238.00
1946 1800.58 a 1655.92 c 1043.50 501.00 436.00 110.00 21.50 94.50 302.14 b 798.50 1263.50 1716.50 9743.65
1947 1582.03 a 1643.92 b 1381.50 752.00 481.50 163.50 22.50 32.00 344.50 456.22 a 1356.00 1779.40 a 9995.07
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 31.00 e 35.50 96.50 570.00 1111.07 b 1752.00 3596.07
1949 2014.50 1833.00 1429.00 558.50 275.50 82.50 25.83 a 33.50 269.00 670.50 951.00 1834.50 9977.33
1950 2454.17 a 1690.50 1471.50 970.00 502.50 131.00 49.50 97.50 254.00 598.50 1376.50 1840.22 b 11435.89
1951 2025.50 1583.00 1667.05 b 765.00 248.50 159.00 g 47.57 b 97.81 b 370.50 728.00 1352.07 a 1874.98 a 10759.98
1952 1960.75 c 1383.50 1404.50 468.62 a 302.00 48.50 f 22.73 a 42.50 175.71 b 716.21 b 836.50 g 1513.50 7990.03
1953 1693.24 b 1360.50 1273.00 866.00 373.55 a 121.73 d 42.50 29.50 289.82 b 438.50 933.00 1476.00 8897.34
1954 2194.50 1086.00 1299.00 800.50 502.00 134.00 31.50 59.00 352.50 676.50 932.50 1332.00 9400.00
1955 1807.82 a 1687.26 a 1569.50 504.83 a 282.10 a 119.50 15.50 28.93 a 310.50 613.50 1559.00 1986.77 c 10485.21
1956 1972.63 a 1760.00 1506.60 a 950.50 372.00 26.50 51.00 49.50 357.41 a 532.50 1134.00 1599.60 a 10312.25
1957 1990.50 1559.00 1214.00 752.50 317.00 145.00 0.52 a 72.50 347.00 667.50 1110.50 1395.50 9571.52
1958 1553.50 1611.00 1171.50 631.50 273.50 200.00 80.50 82.00 254.00 591.00 1168.50 1786.00 9403.00
1959 2036.00 1700.50 1036.50 728.50 440.20 a 82.76 a 24.50 22.00 311.00 872.50 1372.50 1345.50 9972.46
1960 1908.57 a 1657.00 1572.00 746.50 347.50 122.00 25.00 26.50 220.50 602.00 1149.00 1673.00 10049.57
1961 1745.50 1401.00 1060.00 823.45 a 396.00 51.00 18.00 7.75 a 386.25 b 584.00 1105.00 1859.00 9436.95
1962 1871.50 1727.19 a 1424.00 716.50 417.00 84.00 34.50 33.00 327.00 554.50 970.86 a 1557.00 9717.05
1963 1977.50 1525.50 1040.50 692.50 391.50 0.00 z 9.50 40.00 159.83 a 315.00 1013.00 1777.00 8941.83
1964 1651.50 1393.50 1476.50 619.50 287.50 151.00 4.00 144.00 357.00 617.00 1201.50 2018.50 9921.50
1965 2068.50 1600.50 1565.00 734.50 379.00 91.50 35.50 82.50 564.00 564.00 1239.50 1430.13 a 10354.63
1966 2285.50 1645.50 1071.00 867.50 439.50 127.00 3.00 96.50 242.00 649.00 1357.00 1708.50 10492.00
1967 1747.50 1707.50 1287.00 839.00 484.00 104.00 67.00 64.00 155.56 c 679.00 1127.00 1626.00 9887.56
1968 1890.00 1635.50 1028.50 693.62 a 473.00 157.00 54.50 98.00 267.50 649.00 1081.00 1785.00 9812.62
1969 2161.50 1529.50 1593.00 664.50 349.00 234.00 33.00 15.00 228.50 804.00 1066.00 1552.50 10230.50
1970 2022.23 a 1531.50 1543.50 827.50 441.00 37.00 18.50 36.00 285.00 668.00 1214.50 1806.00 10430.73
1971 2138.50 1489.00 1317.50 698.00 315.00 45.50 55.50 47.00 321.00 666.50 1203.00 1751.00 10047.50
1972 2008.50 1776.50 1399.50 827.00 284.50 87.50 100.00 77.50 439.50 826.50 1242.50 1921.00 10990.50
1973 1661.71 b 1407.00 941.00 784.00 399.00 113.28 a 48.00 27.50 348.50 534.00 1378.50 1799.00 9441.48
1974 2086.50 1666.00 1537.50 820.00 520.00 120.50 13.00 123.00 395.50 616.00 1139.48 a 1455.50 10492.98
1975 1769.50 1629.50 1493.00 975.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 5867.50
1976 1397.00 f 1357.00 1450.50 616.50 368.50 89.50 29.50 43.00 280.00 852.00 1262.50 1779.50 8128.50
1977 2174.50 1319.00 1082.50 400.50 l 52.00 h 75.00 40.00 189.50 314.00 601.00 1205.50 1924.50 8925.50
1978 2215.50 1789.00 1428.00 759.00 259.00 139.00 43.00 90.50 227.00 658.00 1372.50 1883.50 10864.00
1979 2256.00 1983.50 1548.00 1098.50 576.00 108.50 20.50 100.50 241.00 733.50 1211.50 1404.50 11282.00
1980 1936.50 1659.00 1549.00 565.00 273.00 134.00 26.50 141.00 368.00 719.50 990.50 1646.50 10008.50
1981 1668.50 1349.50 1060.50 656.50 409.50 152.00 32.00 14.00 313.50 724.50 920.00 1742.50 9043.00
1982 2385.00 1662.50 1420.00 850.00 360.00 218.50 18.50 132.50 332.00 699.00 1280.00 1492.00 10850.00
1983 1540.50 1323.00 1248.50 861.00 522.50 145.50 22.50 9.00 357.50 696.50 1070.00 2162.00 9958.50
1984 1757.50 1213.50 1423.42 a 677.00 454.00 118.00 28.00 27.00 456.50 724.00 1246.00 1902.50 10027.42
1985 1897.50 1661.50 1101.50 664.50 262.50 261.50 52.00 169.00 440.00 743.00 1588.00 1919.00 10760.00
1986 1634.73 a 0.00 z 1078.50 761.00 341.00 82.50 36.00 107.00 379.00 669.00 1427.07 a 1498.50 8014.30
1987 1585.50 1209.50 1318.50 512.00 248.00 80.00 31.50 126.50 263.00 801.00 952.50 1399.98 c 8527.98
1988 1904.00 1646.00 1191.50 722.59 a 223.50 23.50 16.00 63.50 321.50 725.50 1185.50 1635.50 9658.59
1989 1719.50 1895.70 a 1556.50 756.50 298.50 124.00 1.50 67.50 282.50 656.00 1290.00 1915.00 10563.20
1990 1414.00 1450.00 1125.00 761.00 436.00 104.00 35.00 29.50 234.50 717.50 1144.00 1832.50 9283.00
1991 1927.00 1224.50 1177.50 630.00 299.00 46.50 30.50 24.50 324.00 854.50 1386.00 1534.00 9458.00
1992 1559.00 1362.00 1079.50 849.50 315.50 153.00 128.50 147.50 383.00 705.50 1223.50 1848.00 9754.50
1993 1943.50 1607.00 1307.00 786.00 382.50 235.50 119.00 83.50 393.00 792.50 1241.00 1603.50 10494.00
1994 2214.50 1822.50 1139.50 770.50 311.00 73.00 56.00 91.00 195.00 572.00 1080.00 1551.00 9876.00
1995 1837.00 1521.00 1375.50 877.24 a 432.50 80.50 48.50 17.00 298.50 696.00 1397.00 1738.50 10319.24
1996 2146.00 1668.50 1552.50 963.00 439.50 82.50 36.00 25.50 279.00 0.00 z 0.00 z 0.00 z 7192.50
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 674.00 1206.00 1269.00 3149.00
1998 1811.50 1139.50 1392.00 574.50 239.50 172.50 27.00 7.50 198.00 640.50 1169.00 1599.50 8971.00
1999 1928.00 1299.50 1223.50 696.50 318.50 114.50 28.50 45.00 355.00 727.00 895.00 1342.50 8973.50
2000 1711.00 1265.00 978.00 756.50 302.00 174.50 43.50 48.00 295.50 625.00 1339.50 2040.50 9579.00
2001 1630.00 1775.00 1310.00 741.00 282.00 139.00 31.00 36.50 277.00 748.50 869.00 1546.50 9385.50
2002 1612.00 1229.00 1599.50 862.50 550.00 72.50 12.50 68.00 252.00 1062.00 1155.00 1459.50 9934.50
2003 1780.00 1749.00 1455.50 667.50 394.00 112.50 28.50 18.50 314.00 580.50 1461.00 1508.00 10069.00
2004 2066.50 1517.50 1275.00 744.00 542.50 176.00 64.00 199.50 235.50 670.50 978.00 1528.50 9997.50
2005 1970.57 a 1401.50 1268.00 584.50 470.00 88.50 49.00 81.50 237.00 642.00 1069.00 1519.50 9381.07
2006 1279.50 1616.50 1293.50 523.00 333.50 53.50 10.00 25.00 0.00 z 0.00 z 1202.50 1460.50 7797.50
2007 1754.50 0.00 z 1165.00 749.50 326.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3995.00
Period of Record Statistics
MEAN 1880.87 1555.35 1314.51 737.45 376.28 120.50 35.49 64.78 302.81 666.96 1190.91 1666.27 9938.30
S.D. 253.63 214.81 195.56 126.09 93.62 53.94 25.06 45.49 79.62 112.99 168.20 207.46 606.21
SKEW 0.00 0.31 -0.18 0.14 0.34 0.53 1.57 1.03 0.29 0.18 0.16 0.13 0.19
MAX 2454.17 2294.00 1667.05 1098.50 578.50 261.50 128.50 199.50 564.00 1062.00 1588.00 2162.00 11435.89
MIN 1279.50 1086.00 941.00 468.62 223.50 23.50 0.52 7.50 96.50 315.00 869.00 1269.00 8527.98
NO YRS 64 64 66 65 63 61 64 65 64 64 64 64 53