PETERSBURG 2 N, NORTH DAKOTA

Monthly Total Heating Degree Days

(327027)

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
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 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
1934 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
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 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1936 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
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 0.00 z 0.00 z 0.00 z 0.00
1940 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
1941 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
1942 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
1943 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
1944 0.00 z 1593.96 a 1523.50 785.00 293.50 162.00 46.50 a 84.50 302.00 573.00 1079.44 c 1648.50 8091.91
1945 0.00 z 0.00 z 998.50 887.00 628.00 267.00 71.50 42.50 390.52 a 678.00 1376.00 1902.50 7241.52
1946 1878.08 a 1705.00 1015.50 597.00 459.50 143.50 17.05 a 98.00 337.00 783.27 a 1228.50 1737.50 9999.90
1947 1646.50 1679.00 1397.00 816.00 522.50 198.00 33.50 43.00 344.50 451.00 1335.50 1722.00 10188.50
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 34.50 33.00 130.50 583.00 1152.41 a 1789.50 3722.91
1949 0.00 z 1814.50 1467.50 628.00 323.00 107.59 a 34.00 40.50 300.00 662.76 b 975.50 1821.52 b 8174.86
1950 0.00 z 1687.50 0.00 z 1109.00 526.48 a 126.00 45.95 c 112.50 252.00 609.50 1351.00 1810.00 7629.93
1951 1958.50 1558.00 1574.00 784.00 230.00 182.00 40.82 a 92.00 384.50 740.50 1392.50 1850.50 10787.32
1952 1966.50 1394.00 1400.50 534.00 302.54 d 79.44 c 24.00 51.50 181.50 728.50 1071.96 b 1494.50 9228.95
1953 1731.50 1361.50 d 1261.50 859.50 409.50 135.50 38.00 15.50 265.50 420.50 939.50 1543.50 8981.50
1954 2198.93 a 1102.50 1334.00 827.07 a 537.50 153.50 33.00 50.50 346.50 660.00 977.50 1452.00 9673.00
1955 1817.00 1664.00 1578.50 483.50 263.50 100.50 16.00 5.96 e 335.89 b 580.00 1494.00 1954.50 10293.35
1956 1883.25 a 1774.00 1566.50 1025.50 412.00 26.90 a 41.16 b 0.00 z 91.00 u 546.50 1106.50 1585.00 9967.30
1957 1995.00 1558.50 1257.50 757.50 352.50 167.50 4.50 75.50 354.50 671.50 1139.00 1426.50 9760.00
1958 1533.47 a 1563.00 1165.50 668.50 317.00 239.00 78.00 85.50 247.50 606.00 1192.50 1821.50 9517.47
1959 2076.50 1704.50 1168.00 739.00 442.00 94.50 25.66 b 19.00 294.50 885.57 a 1458.60 e 1364.50 10272.32
1960 1860.50 1650.00 1602.50 806.00 340.00 132.50 32.50 36.00 254.50 630.00 1153.00 1715.00 10212.50
1961 1815.00 1421.26 a 1105.15 a 893.50 428.50 64.50 34.50 15.00 371.38 a 627.50 1129.00 1840.50 9745.79
1962 1949.00 1718.00 1427.50 840.50 424.00 105.00 40.50 30.50 356.50 546.50 1021.50 1572.00 10031.50
1963 1998.50 1577.50 1090.50 699.50 416.00 64.00 12.50 31.00 166.00 324.00 1027.50 1810.50 9217.50
1964 1641.50 1422.00 1496.50 707.00 293.50 0.00 z 0.00 z 0.00 z 146.50 w 658.00 1178.00 2028.00 9424.50
1965 2098.00 1719.00 1643.00 836.00 442.27 a 137.00 57.00 120.50 630.00 616.50 1306.00 1510.00 11115.27
1966 2346.00 1739.50 1214.00 936.00 544.00 156.50 8.00 123.00 256.00 706.11 d 1403.28 a 1812.50 11244.89
1967 1883.25 a 1862.00 1376.00 948.00 557.50 150.00 79.50 115.50 248.50 765.50 1181.50 1658.50 10825.75
1968 1970.05 a 1718.50 1106.50 788.00 473.50 182.50 102.50 169.50 332.50 718.00 1137.00 1805.50 10504.05
1969 2143.65 a 1583.04 a 1618.50 718.00 412.50 343.50 79.50 38.50 293.50 891.00 1144.50 1571.50 10837.69
1970 2071.00 1578.50 1609.50 900.50 542.00 74.00 30.50 67.50 347.00 693.50 1247.00 1862.50 11023.50
1971 2154.50 1610.52 a 1440.50 793.50 435.50 80.50 107.50 73.00 334.00 651.50 1237.00 1785.50 10703.52
1972 2065.50 1847.00 1423.00 871.50 298.00 108.50 97.00 101.00 432.00 837.50 1260.00 1997.00 11338.00
1973 1685.50 1467.00 1015.00 802.50 381.00 143.50 56.50 31.52 a 371.00 548.50 1339.00 1824.00 9665.02
1974 2151.50 1753.00 1591.50 841.00 541.00 115.50 14.00 138.50 437.50 653.50 1171.00 1481.00 10889.00
1975 1813.00 1645.78 a 1535.00 990.50 391.50 147.00 32.00 99.00 363.00 630.00 1051.50 1736.50 10434.78
1976 1895.13 a 1409.50 1395.00 642.00 334.50 107.50 30.50 48.00 316.07 b 881.00 1297.00 1877.00 10233.21
1977 2179.00 1403.63 a 1084.50 585.00 145.70 a 88.50 42.50 194.00 334.50 625.00 1242.00 0.00 z 7924.33
1978 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 57.50 h 52.50 104.50 243.50 737.11 d 1388.00 1934.00 4459.61
1979 2280.50 1999.00 1596.00 1088.00 612.50 152.50 38.00 151.00 293.79 a 759.00 1252.50 1478.00 11700.79
1980 1958.17 a 1729.00 1524.17 a 565.50 272.50 128.50 37.50 157.00 416.50 784.50 1102.50 1763.68 c 10439.51
1981 1746.50 1412.00 1079.00 721.50 440.50 188.50 52.50 31.50 369.50 782.50 965.36 b 1802.65 a 9592.01
1982 2411.00 1710.00 1433.00 872.50 359.50 284.50 39.50 156.00 384.00 726.50 1336.50 1540.00 11253.00
1983 1637.50 1394.00 1293.00 854.00 548.50 119.50 39.00 21.00 372.50 760.00 1155.00 2170.50 10364.50
1984 1833.50 1285.00 1473.00 697.50 479.50 147.50 37.00 35.50 466.00 685.00 1229.00 1867.50 10236.00
1985 1967.50 1695.50 1129.00 647.50 281.00 227.59 a 64.00 154.00 436.00 766.50 1567.00 1978.00 10913.59
1986 1696.45 b 1618.50 1115.00 741.50 332.00 84.50 22.50 131.48 b 294.00 700.00 1433.00 1567.00 9735.93
1987 1616.50 1225.50 1310.00 513.50 265.57 a 73.50 35.50 112.50 248.00 808.50 989.50 1462.50 8661.07
1988 1958.00 1752.00 1239.00 700.00 243.50 33.50 27.50 62.50 342.50 804.50 1239.50 1704.50 10107.00
1989 1794.00 1881.50 1559.50 843.50 303.50 169.50 7.50 67.50 276.00 667.50 1348.00 1954.50 10872.50
1990 1466.00 1497.00 1180.50 758.00 413.50 125.50 41.50 46.00 227.00 737.00 1149.50 1833.00 9474.50
1991 1971.50 1296.50 1207.50 618.00 292.50 48.50 30.00 27.00 306.50 869.00 1381.00 1579.50 9627.50
1992 1617.00 1377.50 1106.50 858.00 303.00 161.00 150.00 149.00 393.50 723.00 1268.00 1896.00 10002.50
1993 1987.50 1668.00 1373.50 746.50 367.50 218.50 99.50 74.50 401.00 804.00 1277.00 1646.50 10664.00
1994 2314.50 1877.00 1207.00 740.50 298.50 67.00 60.00 92.00 220.50 600.50 1114.00 1563.00 10154.50
1995 1876.50 1579.50 1375.50 913.45 a 418.00 73.00 46.50 21.00 306.00 731.00 1450.00 1834.00 10624.45
1996 2194.50 1709.50 1609.00 994.50 430.50 111.50 34.00 22.50 298.50 710.50 1601.00 1984.50 11700.50
1997 2125.50 1536.50 1534.00 945.00 493.00 30.00 46.00 52.00 192.50 702.50 1272.00 1316.00 10245.00
1998 1812.50 1139.50 1356.50 545.00 217.00 174.00 23.50 3.50 149.50 660.50 1193.50 1636.00 8911.00
1999 1985.50 1332.50 1207.00 703.50 321.00 113.00 21.00 52.50 314.50 729.50 896.00 1378.50 9054.50
2000 1792.00 1298.50 983.00 758.50 305.50 174.00 38.50 36.00 294.00 625.50 1279.00 2084.00 9668.50
2001 1672.50 1800.50 1330.00 736.50 287.00 136.00 27.50 31.50 264.00 755.50 879.50 1518.50 9439.00
2002 1643.50 1257.00 1558.50 870.50 568.00 86.00 12.50 64.50 244.00 983.00 1222.00 1494.00 10003.50
2003 1869.00 1812.00 1448.00 702.50 361.00 101.00 31.00 26.00 298.50 587.00 1387.50 1480.50 10104.00
2004 2110.00 1604.50 1301.50 752.50 521.00 191.00 72.00 169.50 242.50 692.00 999.50 1619.00 10275.00
2005 2017.00 1451.50 1333.00 572.00 441.50 81.00 50.50 63.50 200.00 622.00 1093.00 1552.00 9477.00
2006 1371.00 1683.50 1363.00 545.00 341.00 73.50 10.00 22.50 307.50 800.00 1184.50 1432.50 9134.00
2007 1770.50 0.00 z 1253.50 753.00 323.50 83.00 17.50 83.00 281.00 605.50 1156.00 1819.00 8145.50
2008 1925.00 1847.50 1419.00 817.50 473.00 151.00 25.00 37.00 273.00 663.50 1149.50 2023.00 10804.00
2009 2096.50 1647.50 1518.50 841.50 468.00 167.00 56.00 90.00 98.50 848.50 912.00 1844.00 10588.00
2010 1819.50 1657.00 1097.50 508.50 366.00 103.50 7.00 34.00 354.00 545.00 1176.50 1824.50 9493.00
2011 2029.43 b 1646.00 1482.83 a 817.24 a 428.32 a 129.50 7.00 21.50 258.50 546.00 1076.90 a 1421.72 b 9864.94
2012 1564.50 1400.59 b 879.76 b 640.00 310.00 a 82.24 a 3.10 a 42.50 324.11 b 799.91 c 1234.50 1697.00 8978.21
2013 1808.50 1544.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3353.00
Period of Record Statistics
MEAN 1908.52 1585.63 1338.76 768.39 392.65 131.42 41.23 70.56 308.99 688.49 1205.14 1713.40 10150.64
S.D. 218.04 192.80 194.57 139.66 104.51 60.10 27.45 47.57 84.99 114.56 159.08 197.39 716.40
SKEW -0.04 -0.41 -0.30 0.06 0.19 0.95 1.44 0.75 0.45 -0.30 0.14 0.00 0.07
MAX 2411.00 1999.00 1643.00 1109.00 628.00 343.50 150.00 194.00 630.00 983.00 1601.00 2170.50 11700.79
MIN 1371.00 1102.50 879.76 483.50 145.70 26.90 3.10 3.50 98.50 324.00 879.50 1316.00 8661.07
NO YRS 64 66 66 67 67 66 68 67 67 69 69 68 59