PARK RIVER, NORTH DAKOTA

Monthly Total Heating Degree Days

(326857)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 199511
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
1903 0.00 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 917.00 i 1863.62 a 1863.62
1904 2029.00 2017.00 1465.00 824.50 355.00 91.61 b 53.00 102.00 337.00 0.00 z 869.50 1647.65 a 9791.26
1905 1986.58 a 1531.50 1106.18 a 732.00 449.00 184.00 45.50 23.50 147.00 747.50 1036.00 1556.50 9545.27
1906 1743.23 a 1649.57 e 545.50 q 533.00 441.50 74.00 44.00 80.08 a 118.00 672.50 1175.00 1924.50 8455.38
1907 2249.50 1607.41 a 1409.50 1090.50 660.00 117.00 13.50 91.00 375.00 663.50 1034.00 1429.50 10740.41
1908 1582.00 1546.00 1515.00 641.50 386.50 111.00 28.50 71.00 198.50 651.50 1001.50 1604.50 9337.50
1909 1923.50 1660.30 a 1334.50 928.50 378.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 6225.30
1910 1731.87 a 1646.96 c 775.00 b 583.50 475.33 a 109.29 b 0.00 z 0.00 z 273.62 a 517.18 a 1287.00 1724.63 a 9124.38
1911 2125.71 c 1636.50 931.00 f 687.00 227.00 i 19.50 18.08 a 66.28 b 235.50 399.50 l 1403.33 c 1504.02 a 7695.92
1912 2232.00 a 1595.54 b 1441.50 626.50 306.00 140.50 46.00 95.50 370.00 592.50 1029.00 1497.00 9972.04
1913 2042.00 1696.00 1563.50 527.50 456.50 91.50 51.00 11.50 237.50 794.00 932.50 1339.00 9742.50
1914 1713.00 1955.85 a 1302.50 736.55 a 237.00 79.50 8.00 112.00 227.50 419.00 1093.50 1904.50 9788.90
1915 1930.50 1403.50 1243.50 459.50 391.00 240.50 105.00 85.00 317.00 580.98 b 1185.52 a 1622.00 9564.00
1916 2241.82 a 1777.80 a 1503.50 b 733.39 b 412.76 d 180.50 7.50 65.21 b 296.11 c 796.18 a 1101.50 1903.06 d 11019.33
1917 2116.78 a 1905.17 d 1346.84 c 827.22 c 412.96 c 183.62 a 39.30 c 44.84 c 247.78 c 541.50 k 833.08 d 2128.67 d 10086.26
1918 2135.79 b 1558.50 917.08 a 622.50 b 421.60 a 117.00 80.00 27.50 399.81 d 632.83 b 1062.86 b 1527.55 b 9503.02
1919 1554.81 b 1644.50 1497.09 b 720.52 a 355.95 c 0.00 v 5.00 46.50 194.46 b 927.50 1493.50 1479.00 g 8439.82
1920 2149.69 b 0.00 z 0.00 z 357.00 o 294.50 102.50 31.00 39.27 a 151.55 a 469.81 b 1087.00 1644.00 5969.32
1921 1678.00 840.00 j 1353.50 724.00 290.22 b 78.50 1.15 d 36.50 220.18 b 543.00 1359.50 1527.78 a 7812.33
1922 1838.00 1723.50 1168.00 666.00 192.50 77.00 60.50 30.00 226.11 c 600.37 a 957.50 1869.30 a 9408.78
1923 1820.50 1736.00 c 1567.50 831.21 a 342.00 45.00 14.00 0.00 z 194.00 659.78 a 848.00 1342.50 9400.49
1924 2053.50 1428.25 c 1200.06 e 814.50 552.50 170.00 43.00 97.50 339.00 457.00 1192.24 a 1966.00 10313.55
1925 1853.91 c 1452.23 b 1286.00 508.00 0.00 z 104.00 56.50 o 19.38 c 0.00 z 1002.91 d 1105.18 b 1577.00 8908.60
1926 1575.32 a 1262.92 d 1289.00 697.50 230.00 200.00 35.13 a 78.00 392.14 b 744.00 a 791.00 k 1807.41 c 8311.42
1927 1782.50 1507.00 1084.48 a 731.50 507.76 b 175.00 42.07 c 101.00 279.50 548.50 1365.50 2005.00 10129.81
1928 1691.00 1407.02 a 1257.00 878.00 262.00 206.00 27.00 124.00 351.50 694.00 1025.50 1368.81 b 9291.83
1929 2246.50 1761.50 1150.00 727.20 e 497.00 133.50 19.50 33.50 382.00 523.26 b 1291.00 1764.00 10528.96
1930 2124.50 1356.00 1288.50 554.00 440.00 68.00 14.00 25.00 275.00 763.50 1088.00 1458.55 a 9455.05
1931 1536.50 1129.00 1269.97 a 606.67 c 419.57 b 75.00 22.50 60.34 c 182.50 524.50 1031.00 1479.00 8336.54
1932 1754.50 1621.93 a 1468.00 733.00 298.00 10.50 65.00 38.00 275.50 859.00 1285.00 1684.50 10092.93
1933 1780.36 b 1629.00 1238.50 809.00 251.50 13.00 6.50 19.50 99.00 691.82 a 1208.50 1865.50 9612.18
1934 1672.50 1518.00 1334.00 665.50 171.00 76.00 41.50 124.00 409.50 547.00 1020.50 1780.50 9360.00
1935 2082.74 d 1204.50 1329.90 a 876.00 475.00 196.50 4.00 104.50 308.50 716.00 1536.50 1721.00 10555.14
1936 2398.37 a 2292.55 a 1393.00 984.50 218.50 136.50 12.50 93.50 302.00 941.50 1327.00 1676.50 11776.42
1937 2314.50 1673.00 1387.52 b 818.79 a 282.58 e 121.00 13.50 24.00 293.00 677.00 1223.50 1749.50 10577.89
1938 1921.00 1660.00 1000.00 729.50 433.00 134.50 16.00 27.50 181.00 485.50 1313.50 1604.00 9505.50
1939 1761.00 2021.00 1469.50 896.38 a 282.50 164.50 13.50 34.50 276.00 770.50 899.00 1188.00 9776.38
1940 1873.00 1487.00 1461.00 840.00 369.50 135.50 60.50 61.50 155.00 469.00 1249.00 1514.00 9675.00
1941 1786.50 1611.00 1344.50 619.00 226.00 122.00 23.00 57.50 271.00 603.00 1124.50 1470.50 9258.50
1942 1465.50 1532.50 1111.00 624.50 420.00 136.50 59.00 59.00 383.50 564.50 1202.50 1891.00 9449.50
1943 2158.00 1502.50 1529.50 692.00 487.50 197.00 3.50 23.50 284.00 549.50 1162.50 1471.50 10061.00
1944 1446.50 1640.00 1525.00 790.50 304.00 150.50 38.00 86.00 311.00 574.02 a 1162.50 1637.50 9665.52
1945 1801.50 1505.00 1004.00 912.50 612.00 237.50 56.50 42.00 396.00 662.00 1379.00 1947.00 10555.00
1946 1922.50 1780.50 1045.50 600.00 470.00 130.50 15.00 68.50 297.50 737.50 1226.00 1718.00 10011.50
1947 1626.50 1636.00 1343.00 784.50 489.50 171.00 23.00 19.50 326.50 411.00 1322.50 1699.32 a 9852.32
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 17.71 c 43.00 94.50 515.00 1078.00 1731.00 3479.21
1949 1909.60 a 1795.50 1393.45 a 547.50 272.00 91.00 21.18 a 30.50 246.50 619.50 920.00 1791.50 9638.23
1950 2390.00 1656.15 a 1448.00 1043.00 473.50 106.00 39.00 97.50 194.50 566.00 1288.45 a 1797.00 11099.10
1951 1937.50 1532.50 1477.00 760.50 216.50 155.00 25.00 55.00 342.50 695.50 1356.96 b 1801.00 10354.96
1952 1921.50 1316.50 1338.50 470.00 291.50 41.00 12.50 25.00 139.66 a 658.00 1002.50 1429.00 8645.66
1953 1687.00 1374.00 1191.50 793.50 349.27 a 106.50 22.00 12.92 a 240.50 377.00 911.00 1498.00 8563.18
1954 2132.50 1051.00 1259.00 786.00 471.50 113.79 a 26.50 44.00 283.50 596.00 926.00 1351.60 a 9041.39
1955 1788.50 1660.50 1607.50 456.00 240.00 74.00 9.00 6.00 269.50 527.50 1436.00 1903.50 9978.00
1956 1864.00 1697.50 1469.50 967.50 364.50 22.50 26.00 31.50 317.50 450.00 1045.00 1586.50 9842.00
1957 1949.00 1506.00 1220.50 706.50 273.50 127.00 0.00 38.00 297.00 601.00 1078.45 a 1383.50 9180.45
1958 1481.00 1514.07 a 1114.00 595.00 251.50 185.50 49.08 a 63.07 b 204.00 512.00 1145.00 c 1804.50 8918.73
1959 2024.50 1642.00 1149.07 a 687.00 379.00 43.89 c 14.31 e 7.50 248.50 832.50 1355.50 1278.50 9662.26
1960 1819.00 1579.50 1529.50 749.50 315.00 81.50 20.00 15.00 179.50 563.00 1100.56 c 1666.50 9618.56
1961 1750.97 b 1351.00 1034.50 828.50 353.00 36.72 a 9.00 5.00 282.93 a 544.00 1059.50 1854.83 a 9109.95
1962 1928.50 1707.50 1385.00 826.00 359.00 71.50 18.00 17.50 276.00 450.00 980.00 1528.00 9547.00
1963 1966.00 1521.50 1070.53 a 642.00 343.50 53.50 16.00 15.00 119.50 238.00 945.50 1768.50 8699.53
1964 1577.00 1355.50 1421.50 648.50 224.00 151.50 3.50 0.00 z 309.50 539.92 a 1100.00 1914.50 9245.42
1965 2004.00 1553.50 1513.50 719.00 338.00 67.24 a 23.00 66.50 476.38 a 498.07 a 1201.50 1388.50 9849.19
1966 2220.00 1646.50 1136.50 852.50 426.00 102.50 0.00 53.50 175.00 585.00 1311.50 1689.50 10198.50
1967 1782.00 1754.00 1301.00 842.00 487.50 83.00 34.50 54.00 129.50 620.52 a 1085.00 1566.00 9739.02
1968 1834.50 1657.30 b 986.46 c 636.00 389.00 105.00 48.00 77.50 203.00 573.50 1040.50 1742.50 9293.26
1969 2100.00 1497.00 1480.00 623.50 311.00 213.50 29.00 4.50 208.00 779.50 1027.00 1497.00 9770.00
1970 1972.50 1493.50 1527.50 827.50 399.50 30.50 5.50 24.50 216.00 581.50 1144.00 1801.00 10023.50
1971 2086.00 1454.50 1283.50 697.50 317.00 30.50 35.00 30.00 233.00 536.82 a 1165.00 1685.50 9554.32
1972 1949.50 1730.00 1308.50 785.00 206.00 68.00 33.50 32.50 300.50 692.00 1183.50 1852.00 10141.00
1973 1557.50 1345.50 909.85 a 702.00 284.50 58.50 13.00 3.50 247.50 439.00 1259.50 1738.00 8558.35
1974 2035.50 1573.00 1447.00 768.00 445.50 59.00 3.21 b 85.52 b 300.52 a 529.50 1077.41 a 1348.50 9672.66
1975 1705.50 1569.00 1473.02 a 892.00 301.70 c 124.50 4.50 72.52 c 276.50 532.50 1039.04 d 1678.50 9669.27
1976 0.00 z 1338.50 1255.50 e 555.00 287.02 b 0.00 z 1.00 o 19.50 183.00 730.05 a 1155.00 1808.69 b 7332.26
1977 2012.00 1231.48 a 956.00 432.00 65.00 32.00 3.50 88.00 242.50 508.40 a 1141.00 1846.00 8557.88
1978 2077.00 1657.00 1277.20 a 662.50 169.00 77.00 21.00 37.00 159.50 531.50 1255.00 1815.00 9738.70
1979 2155.02 a 1886.00 1415.50 955.00 496.50 73.00 4.50 55.50 143.00 597.00 1137.50 1335.50 10254.02
1980 1832.50 1568.50 1352.50 447.00 205.50 57.00 1.50 53.00 288.50 670.00 915.50 1604.00 8995.50
1981 1537.00 1245.00 941.00 547.50 292.50 66.00 19.00 5.50 221.00 609.00 842.50 1625.50 7951.50
1982 2252.50 1486.00 1288.00 725.00 242.00 179.00 4.50 80.00 236.50 568.00 1213.50 1371.50 9646.50
1983 1496.00 1237.00 1161.50 746.50 402.50 56.50 14.00 0.00 247.00 607.00 1027.00 1989.50 8984.50
1984 1652.00 1138.50 1278.00 583.00 0.00 z 0.00 z 0.00 z 0.00 z 295.50 587.00 1124.50 1798.00 8456.50
1985 1831.00 1555.00 1012.50 517.50 170.50 153.00 6.50 97.50 356.00 669.00 1522.00 1864.50 9755.00
1986 1591.00 1527.00 975.50 652.50 240.00 33.00 2.50 64.50 285.00 596.00 1351.00 1425.50 8743.50
1987 1528.82 a 1154.50 1191.50 418.50 176.50 34.00 18.50 56.50 157.50 691.50 930.00 1403.50 7761.32
1988 1866.50 1625.50 1169.00 583.00 168.50 14.00 4.00 31.50 228.00 658.50 1150.50 1567.50 9066.50
1989 1673.50 1715.50 1458.00 748.00 206.00 77.50 0.00 36.50 186.00 572.50 1225.50 1868.50 9767.50
1990 1399.00 1386.00 1105.00 673.50 331.00 56.00 8.00 13.00 163.00 605.50 1039.50 1732.00 8511.50
1991 1869.00 1183.00 1145.50 533.00 249.50 12.50 5.00 9.00 265.50 802.50 1310.00 1480.50 8865.00
1992 1509.50 1285.00 1055.00 782.50 232.50 133.50 95.00 94.50 306.50 659.50 1179.50 142.00 z 7333.00
1993 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 56.00 51.00 359.00 694.50 1204.50 1566.00 3931.00
1994 2163.00 1733.50 1056.50 647.50 213.50 39.50 22.50 66.50 166.00 511.00 1012.50 1467.00 9099.00
1995 1740.50 1485.50 1256.00 838.00 341.00 49.00 18.00 3.50 246.50 657.00 108.00 z 0.00 z 6635.00
Period of Record Statistics
MEAN 1876.54 1555.49 1277.52 711.10 339.43 102.94 24.91 49.69 256.49 613.21 1140.78 1654.47 9596.28
S.D. 238.34 212.40 185.93 141.19 111.81 57.19 21.57 31.96 78.67 126.36 159.25 197.87 707.29
SKEW 0.07 0.22 -0.40 0.12 0.28 0.40 1.35 0.41 0.15 0.43 0.28 -0.09 0.10
MAX 2398.37 2292.55 1607.50 1090.50 660.00 240.50 105.00 124.00 476.38 1002.91 1536.50 2128.67 11776.42
MIN 1399.00 1051.00 775.00 418.50 65.00 10.50 0.00 0.00 94.50 238.00 833.08 1188.00 7761.32
NO YRS 89 88 87 89 87 86 87 87 90 88 89 89 73