ST PETER, MINNESOTA

Monthly Total Heating Degree Days

(217405)

Base Temperature = 65 F

File last updated on Apr 6, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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 0.00 z 0.00 z 0.00 z 0.00 z 281.07 a 8.50 0.00 21.91 b 188.79 a 462.50 957.41 a 1526.00 3446.19
1894 1666.00 1353.00 865.50 481.00 251.00 24.50 0.52 a 14.50 164.50 519.50 1137.50 1176.00 7653.52
1895 1799.55 a 1524.50 1119.00 382.00 244.79 b 39.00 19.50 26.35 a 117.00 680.50 1008.50 1382.50 8343.19
1896 1440.00 1170.00 1206.50 0.00 z 0.00 z 0.00 z 0.00 z 34.00 m 275.00 559.60 b 1225.00 1628.07 d 7504.18
1897 380.00 x 142.00 x 0.00 z 0.00 z 0.00 z 17.50 s 0.00 49.00 69.00 337.00 961.50 1463.20 a 2879.70
1898 1273.00 1212.00 881.00 308.50 n 174.63 a 5.00 l 2.50 f 16.57 b 152.50 581.50 1038.00 1520.00 6849.20
1899 1510.00 1577.00 1400.68 a 551.00 196.50 20.00 13.95 a 4.50 147.50 f 396.50 694.66 a 1323.38 b 7688.17
1900 1319.00 1515.63 a 1168.00 404.00 156.00 26.38 a 0.00 z 0.00 b 185.00 230.50 1070.50 1327.32 a 7402.33
1901 1501.00 1013.00 h 1061.50 512.50 204.50 60.50 2.00 3.50 243.00 421.50 945.50 1497.50 6453.00
1902 1350.00 1339.00 900.55 a 607.00 169.00 94.00 0.00 12.00 220.00 490.50 850.00 1471.50 7503.55
1903 1455.50 1363.00 924.50 554.00 0.00 z 65.89 b 14.50 51.00 205.00 430.00 1098.00 e 1614.50 7775.89
1904 1722.50 1692.00 1065.00 684.00 208.50 53.50 22.50 33.00 134.50 436.50 790.00 1401.50 8243.50
1905 1829.55 c 1488.67 a 825.50 581.50 298.50 38.00 10.00 1.00 64.14 a 559.50 861.72 a 1229.00 7787.08
1906 1351.00 1243.50 1243.21 b 0.00 z 320.00 99.50 29.40 b 20.67 a 108.50 651.50 0.00 z 0.00 z 5067.27
1907 0.00 z 1325.00 1047.00 861.50 602.20 d 128.57 b 15.00 40.30 a 0.00 z 569.00 0.00 z 0.00 z 4588.58
1908 1420.50 0.00 z 1005.00 499.00 257.50 81.00 9.30 a 22.50 97.50 452.50 811.50 1281.50 5937.80
1909 1500.92 a 1254.00 1038.00 710.00 269.50 64.14 a 19.38 c 0.00 143.00 527.00 791.00 1541.50 7858.43
1910 1562.50 1434.00 540.50 373.00 322.00 91.00 51.67 a 12.92 a 90.00 i 169.50 f 1028.00 988.50 g 5415.58
1911 1279.61 d 1011.50 824.00 576.00 139.50 9.00 14.50 43.00 158.50 601.00 1216.50 1239.50 7112.61
1912 2066.00 1387.00 1220.50 465.50 225.00 96.00 13.00 27.50 244.50 502.50 824.50 1249.00 8321.00
1913 1543.00 1400.00 315.50 0.00 z 0.00 z 61.03 a 6.00 1.50 173.50 0.00 z 764.50 1103.50 5368.53
1914 1325.50 1460.67 a 1009.00 461.50 159.00 27.50 0.00 52.00 127.50 259.88 a 792.50 1598.00 7273.05
1915 1621.50 1106.50 1159.00 261.00 318.50 0.00 z 24.00 65.50 121.00 377.00 849.00 1314.00 7217.00
1916 1650.50 1562.00 1138.00 603.00 254.72 a 96.67 c 0.00 u 11.00 244.50 561.50 906.50 1643.00 8671.38
1917 1774.00 1605.00 1106.50 601.50 0.00 z 31.50 0.00 k 17.22 d 130.00 c 716.88 c 745.50 1689.50 8417.60
1918 1873.78 d 1300.00 786.00 600.50 162.48 b 29.48 a 6.50 13.00 293.00 413.50 866.90 a 1106.24 d 7451.38
1919 1240.53 b 1341.85 b 988.00 549.50 277.89 c 45.00 b 0.00 a 13.95 a 111.00 107.50 z 1081.50 1615.50 7264.72
1920 1600.00 1326.00 977.50 713.89 c 223.00 45.50 1.00 10.50 23.50 271.52 b 943.00 1251.50 7386.91
1921 1256.61 c 1104.50 850.50 425.89 b 234.57 a 19.00 0.50 8.50 85.86 a 367.57 c 1126.50 1295.50 6775.50
1922 1533.00 1428.50 969.50 541.50 99.50 12.50 14.00 5.50 52.50 i 341.50 718.50 1398.50 7062.50
1923 1430.50 1470.50 1203.50 557.50 213.00 34.00 0.00 22.50 95.50 520.00 765.50 1059.00 7371.50
1924 1754.00 1223.00 1041.00 528.00 401.00 69.50 15.50 29.00 208.50 275.00 891.00 1683.00 8118.50
1925 1615.00 1179.00 852.50 327.00 326.50 46.50 15.00 5.50 82.00 814.00 921.50 1473.50 7658.00
1926 1462.00 1070.00 1107.00 600.00 120.50 81.50 9.00 0.50 200.00 507.50 1077.00 1539.50 7774.50
1927 1546.00 1119.00 871.50 515.00 297.00 116.00 9.00 43.00 198.00 384.00 995.00 1741.68 a 7835.18
1928 1432.00 1201.50 922.00 713.00 141.50 78.50 1.50 29.50 217.50 466.00 860.50 1214.50 7278.00
1929 1952.00 1584.00 957.50 535.50 365.00 72.86 b 9.50 10.00 242.00 482.50 1116.50 1478.00 8805.36
1930 1866.00 1036.50 993.00 490.50 225.50 41.00 10.00 6.00 167.50 575.00 865.34 a 1325.00 7601.34
1931 1210.00 960.50 1006.00 453.50 345.50 32.00 4.50 22.00 74.00 367.00 782.50 1088.00 6345.50
1932 1555.00 1340.00 1299.50 563.50 209.50 4.00 8.00 7.50 165.00 597.00 1063.50 1543.00 8355.50
1933 1289.00 1454.50 1073.50 569.00 241.00 18.50 0.00 16.00 59.50 551.50 1009.50 1477.50 7759.50
1934 1362.00 1202.00 1045.50 543.00 79.00 13.00 2.00 59.00 264.50 344.50 803.00 1542.25 a 7259.75
1935 1654.00 1069.00 894.50 616.50 345.50 104.50 0.00 54.00 147.00 524.50 1077.50 1451.50 7938.50
1936 1921.50 1939.50 1075.50 712.00 108.50 61.00 0.00 2.00 105.50 582.00 1028.50 1377.00 8913.00
1937 1932.50 1453.00 1160.50 594.50 199.00 82.50 3.50 0.00 163.00 586.00 1029.00 1499.50 8703.00
1938 1580.50 1243.00 827.50 488.00 294.00 17.50 0.00 f 3.50 95.00 276.00 965.50 1312.50 7103.00
1939 1353.00 1459.50 1000.00 582.00 113.00 27.50 0.00 14.00 123.50 469.50 797.50 1066.00 7005.50
1940 1792.50 1248.00 1205.50 593.00 274.50 27.00 7.75 a 40.50 j 114.64 b 281.14 b 1083.62 a 1325.50 7953.15
1941 1405.00 1345.00 1086.50 369.50 111.00 64.50 9.50 14.50 96.50 398.50 850.00 1132.00 6882.50
1942 1360.00 1222.00 858.50 306.00 e 291.00 48.10 a 9.50 22.00 277.50 478.50 911.50 1541.00 7325.60
1943 1794.50 1312.00 1221.50 566.00 346.50 69.50 1.00 16.53 a 259.50 522.87 a 1090.50 1304.00 8504.40
1944 1181.10 a 1242.00 1186.00 689.50 172.57 a 48.00 5.17 a 0.00 z 107.00 356.50 0.00 z 1337.00 6324.83
1945 1516.00 1217.50 719.00 561.50 334.00 125.00 13.00 14.00 185.00 424.00 897.50 1531.00 7537.50
1946 1476.50 1203.50 637.00 364.00 283.00 59.50 0.00 29.50 158.00 386.00 448.50 o 1283.40 a 5880.40
1947 1259.00 1381.50 1081.50 630.00 284.00 74.50 10.50 0.00 148.00 185.50 1081.50 1423.50 7559.50
1948 1629.50 1351.00 1068.50 355.00 210.50 16.50 1.00 6.50 68.00 368.00 819.00 1322.00 7215.50
1949 1489.03 a 1413.00 1019.79 b 476.00 105.50 5.00 0.00 6.00 191.50 366.50 780.50 1316.50 7169.33
1950 1661.50 1315.00 1231.50 741.50 246.50 34.00 4.00 44.00 102.00 344.50 1072.50 1623.00 8420.00
1951 1733.50 1299.50 1332.50 691.00 112.50 74.00 7.00 19.00 220.50 480.50 1141.50 1477.50 8589.00
1952 1589.30 c 1177.00 1208.50 474.50 241.00 10.00 1.00 7.00 136.50 584.50 861.50 1327.50 7618.30
1953 1483.50 1236.50 1011.00 696.50 233.00 27.93 a 4.00 1.50 124.00 269.50 758.00 1314.50 7159.93
1954 1649.50 861.00 1108.52 b 467.00 363.00 46.50 0.00 3.50 111.21 a 509.95 a 783.50 1310.86 c 7214.53
1955 1552.50 1394.00 1118.58 a 319.66 a 97.13 a 43.50 0.00 5.00 132.00 441.00 1142.59 a 1644.11 c 7890.06
1956 1678.65 a 1470.00 1166.00 295.50 q 211.50 12.00 2.14 b 32.00 197.00 286.50 947.50 1266.87 a 7270.15
1957 1691.00 1217.00 1063.00 538.00 250.77 c 29.00 0.00 17.10 b 176.50 543.00 968.28 a 1215.50 7709.15
1958 1372.61 d 1413.50 1035.00 540.50 179.00 119.50 10.50 28.00 105.00 a 362.00 857.50 1500.00 7523.11
1959 1684.50 1399.50 946.50 500.00 166.50 26.50 7.00 2.50 167.00 613.50 1181.25 b 1067.00 7761.75
1960 1474.00 1316.39 a 1412.57 a 531.50 186.53 b 41.90 a 7.50 1.00 186.00 422.50 855.50 1402.50 7837.89
1961 1515.00 1098.00 931.00 720.00 297.00 26.50 1.00 4.50 197.00 402.45 c 924.00 1513.66 b 7630.10
1962 1686.40 a 1380.08 b 1195.50 624.00 147.52 b 44.00 7.00 1.00 199.50 382.50 752.50 1333.50 7753.49
1963 1823.50 1435.50 980.50 563.00 322.50 27.50 2.00 29.00 112.00 194.00 769.00 1667.50 7926.00
1964 1406.00 1187.50 1266.50 570.50 174.50 69.50 2.00 80.50 218.00 505.50 898.00 1580.00 7958.50
1965 1729.00 1547.50 1496.00 702.32 b 183.00 21.50 1.00 42.00 343.50 435.03 a 956.50 1152.00 8609.35
1966 1950.00 1444.50 913.50 701.50 385.00 54.50 1.00 55.00 168.00 537.50 994.29 b 1460.00 8664.79
1967 1551.00 1520.00 1057.00 583.50 392.50 26.50 32.55 a 56.00 183.50 564.50 990.50 1321.00 8278.55
1968 1610.00 1419.00 846.50 516.50 347.50 65.50 14.00 30.50 161.50 452.00 899.50 1435.00 7797.50
1969 1804.72 a 1323.50 1305.50 497.00 222.50 146.50 5.50 0.50 129.00 596.50 934.50 1413.50 8379.22
1970 1946.50 1434.50 1268.00 604.00 253.50 43.00 13.50 10.00 200.00 489.00 1006.00 1531.50 8799.50
1971 1763.00 1377.00 1152.50 527.50 301.00 17.00 28.50 21.50 191.50 370.50 931.50 1436.50 8118.00
1972 1812.50 1575.00 1147.50 688.50 195.50 56.00 32.50 58.00 184.00 632.40 a 961.50 1636.50 8979.90
1973 1525.50 1224.50 756.00 602.00 310.00 23.00 0.00 4.50 180.50 331.50 881.50 1506.50 7345.50
1974 1681.50 1379.00 1069.00 545.50 320.50 74.00 0.50 45.50 253.00 472.50 913.50 1298.00 8052.50
1975 1569.50 1431.50 1343.00 803.00 186.00 54.00 7.50 13.50 238.50 430.50 821.00 1362.00 8260.00
1976 1598.50 1058.00 1014.00 426.50 234.00 25.00 2.00 13.50 207.50 693.88 a 1132.00 1645.50 8050.38
1977 2096.50 1152.26 e 864.50 350.00 76.00 23.79 a 0.00 b 43.50 f 127.00 556.50 1008.10 a 1523.50 7778.16
1978 1890.45 c 1537.50 1078.00 587.50 198.50 51.50 15.00 15.50 w 0.00 z 0.00 z 0.00 z 0.00 z 5358.45
1979 1955.00 1574.00 1192.00 724.50 358.00 54.83 a 1.07 b 53.00 150.00 648.33 b 1107.50 1242.67 b 9060.90
1980 1166.00 f 1426.00 1153.00 479.50 140.50 7.50 0.00 13.50 129.64 b 584.41 d 852.50 1394.00 6180.55
1981 1466.50 1152.50 869.50 451.50 264.00 15.50 j 5.00 13.50 171.00 591.50 818.50 1514.50 7318.00
1982 1984.00 1390.50 1091.00 710.50 152.00 97.00 0.00 22.00 142.50 427.50 1004.00 1195.00 8216.00
1983 1372.50 1089.50 981.50 674.50 295.00 65.50 0.00 0.00 180.50 487.50 895.18 b 1945.00 7986.68
1984 1626.39 c 187.00 w 124.00 z 196.00 t 150.50 k 7.50 b 4.13 a 3.10 a 213.50 368.90 a 866.38 a 1389.32 a 4479.22
1985 1395.00 b 1314.00 853.50 392.59 a 83.18 a 97.78 c 0.00 b 34.50 217.50 499.88 c 1200.54 b 1723.71 b 7812.17
1986 1419.00 1354.50 895.50 437.50 155.00 11.50 0.00 41.50 113.00 418.00 1065.00 1223.00 7133.50
1987 1265.50 883.50 772.00 331.00 85.25 a 12.00 0.50 23.50 94.50 588.00 759.50 1243.00 6058.25
1988 1716.37 a 1492.00 911.50 497.00 62.00 8.00 0.00 13.50 77.50 577.00 0.00 z 1322.50 6677.37
1989 1272.00 1484.50 1173.00 523.00 211.50 52.50 0.00 2.00 156.50 416.00 1032.00 1641.97 a 7964.97
1990 1138.50 1102.50 845.50 519.50 253.50 32.00 4.50 7.00 113.50 483.50 786.00 1484.50 6770.50
1991 1610.00 1053.00 921.00 448.50 205.00 3.50 5.00 2.00 183.50 488.00 1183.50 1345.00 7448.00
1992 1293.50 1060.00 925.00 630.00 174.00 56.50 49.60 a 67.50 219.50 549.00 1039.50 1347.98 a 7412.08
1993 1601.50 1403.00 1193.50 633.00 253.00 89.50 2.50 16.00 322.50 599.50 1052.00 1346.95 a 8512.95
1994 1922.50 1564.50 972.50 630.00 204.00 0.00 z 19.50 61.50 131.50 417.00 850.00 1302.00 8075.00
1995 1502.00 1291.00 1005.50 701.00 297.50 57.50 16.50 1.00 158.50 l 132.00 z 37.00 z 502.50 t 4872.00
1996 1780.00 1411.50 1234.00 749.00 372.00 47.00 12.50 3.50 220.00 514.00 1234.00 1641.50 9219.00
1997 1752.00 1260.50 1094.50 687.00 409.50 4.50 31.00 26.00 123.50 503.00 1149.50 1200.00 8241.00
1998 1516.00 969.50 1076.50 465.00 a 93.00 101.00 1.00 1.00 80.00 446.00 843.50 1236.00 6828.50
1999 1673.00 1073.50 1016.05 b 0.00 z 210.50 81.50 0.00 0.00 219.83 a 554.38 a 732.69 d 1275.50 6836.96
2000 1596.00 1141.36 a 747.32 c 587.50 210.80 a 87.50 22.73 a 6.00 187.00 424.50 1067.00 1836.50 7914.21
2001 1488.52 a 1560.74 a 1272.00 568.50 221.00 69.11 b 8.55 b 11.00 183.62 a 540.00 587.00 1179.00 7689.04
2002 1310.50 1152.00 1291.00 627.50 377.50 41.79 b 0.50 15.50 156.50 724.50 761.50 f 1241.00 6938.29
2003 1584.50 1388.50 1101.00 552.50 275.00 49.00 2.50 7.00 198.00 484.00 0.00 z 1287.00 6929.00
2004 1647.00 0.00 z 917.50 514.00 299.50 89.50 14.00 94.00 80.50 471.00 830.50 1336.10 a 6293.60
2005 1594.50 1127.50 1096.00 445.50 329.00 0.00 z 0.00 z 0.00 z 92.50 0.00 z 0.00 z 0.00 z 4685.00
2006 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 24.50 h 0.00 0.00 z 222.50 588.00 862.50 1123.00 2796.00
2007 1420.00 1496.00 898.00 597.50 130.00 13.50 0.00 13.00 140.50 372.00 907.50 1538.00 7526.00
2008 1663.00 1458.50 1152.50 673.00 275.00 13.50 0.00 7.50 115.00 462.00 752.50 545.50 q 6572.50
2009 0.00 z 910.00 g 1071.50 150.50 t 249.50 108.00 19.50 36.00 82.00 716.00 741.50 1544.00 4568.00
2010 1767.50 1485.00 933.50 351.00 269.50 26.50 0.00 5.00 198.50 427.50 958.50 1592.00 8014.50
2011 1760.00 1388.50 1195.50 638.00 284.00 38.00 0.00 8.00 216.00 434.00 860.00 1248.00 8070.00
2012 1331.50 1148.00 585.50 501.50 152.00 36.00 0.00 39.00 218.04 b 603.50 850.00 1348.00 6813.04
2013 1510.50 1362.00 133.50 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 0.00 z 2872.50
Period of Record Statistics
MEAN 1580.42 1319.89 1032.81 551.87 236.05 49.81 7.62 20.40 163.13 474.74 935.45 1402.89 7798.09
S.D. 209.11 180.53 184.28 116.84 90.03 32.31 10.01 19.84 60.06 118.09 137.31 176.34 621.53
SKEW 0.20 -0.01 -0.55 -0.11 0.51 0.66 2.01 1.27 0.33 0.01 0.19 0.29 -0.08
MAX 2096.50 1939.50 1496.00 861.50 602.20 146.50 51.67 94.00 343.50 814.00 1234.00 1945.00 9219.00
MIN 1138.50 861.00 315.50 261.00 62.00 3.50 0.00 0.00 23.50 185.50 587.00 1059.00 6058.25
NO YRS 115 113 116 109 113 112 113 113 114 114 110 113 81