BRIDGEWATER, SOUTH DAKOTA

Monthly Total Heating Degree Days

(391032)

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
1948 0.00 z 0.00 z 1025.14 b 334.50 217.50 55.50 1.50 12.00 67.50 90.00 v 960.50 1415.50 4089.64
1949 1663.50 1399.00 1015.50 496.55 a 115.00 18.50 0.00 6.00 205.50 456.50 712.00 1360.50 7448.55
1950 1855.50 1292.50 1263.50 759.00 338.42 a 59.50 15.00 36.00 124.00 356.50 989.00 1383.24 b 8472.16
1951 1496.50 1077.50 1348.50 656.90 a 176.50 123.50 29.00 20.00 229.00 512.50 1056.50 1532.95 a 8259.35
1952 1539.67 a 1075.59 a 1183.00 488.00 209.50 12.50 1.00 0.00 99.50 547.50 912.00 1291.00 7359.26
1953 953.00 k 0.00 z 0.00 z 36.50 z 252.65 a 35.50 3.62 a 2.00 68.50 g 125.00 k 777.41 a 1358.00 2429.18
1954 1674.53 b 826.50 1138.50 459.50 377.50 56.25 b 0.00 0.52 a 103.50 525.97 a 470.50 m 1333.00 a 6495.77
1955 1406.50 1429.56 a 1083.50 294.50 105.92 a 78.00 0.00 c 6.50 166.07 b 454.50 1231.50 1685.00 7941.54
1956 1716.00 1455.50 1070.50 664.00 224.20 c 13.00 j 0.00 16.50 136.50 272.05 b 961.55 a 1181.50 7698.30
1957 1676.00 1115.50 987.50 536.50 247.50 37.00 0.00 7.75 a 154.00 476.00 909.00 1091.72 a 7238.47
1958 1251.00 1316.52 a 1092.50 503.00 93.50 70.00 11.88 a 9.00 83.00 379.50 872.50 1449.50 7131.90
1959 1615.10 a 1358.50 821.00 478.45 a 201.00 18.50 4.00 0.00 147.50 585.50 1173.50 1079.00 7482.05
1960 1558.00 1445.50 1439.50 524.50 207.00 37.00 0.00 0.50 149.00 415.00 842.00 896.00 j 6618.00
1961 1127.00 i 1105.00 863.50 622.50 256.50 25.50 0.00 0.00 214.50 390.60 a 913.00 1508.00 5899.10
1962 1627.50 e 1297.00 1253.50 542.00 91.00 55.50 11.00 1.50 h 150.00 h 431.62 e 587.00 g 1284.50 6593.62
1963 1752.00 1185.52 c 0.00 z 432.22 c 182.00 3.50 0.00 7.50 50.00 175.00 761.50 1540.00 6089.24
1964 1265.50 1069.00 1142.50 451.50 121.00 31.00 0.00 43.00 133.50 425.50 900.50 1495.00 7078.00
1965 1579.50 1290.50 1285.50 479.50 116.00 7.50 0.00 13.00 330.50 312.00 857.50 853.00 f 6271.50
1966 1757.50 1293.50 814.00 641.50 255.00 28.00 0.00 18.00 135.50 397.50 962.50 1333.50 7636.50
1967 1409.50 1272.00 777.58 a 472.00 337.00 27.50 21.50 17.05 a 94.00 456.00 902.50 1261.50 7048.13
1968 1458.00 1272.00 668.50 444.50 298.00 24.00 7.75 c 3.00 119.50 423.50 867.00 1455.00 7040.75
1969 1717.00 1195.00 1314.50 424.00 147.00 89.00 0.00 2.50 71.00 613.50 889.50 1320.50 7783.50
1970 1775.00 1136.50 1107.50 545.50 137.50 19.00 7.50 0.00 151.50 448.90 e 933.50 1464.00 7726.40
1971 1667.00 1249.50 1018.00 458.50 212.00 8.50 19.00 4.00 145.00 367.50 891.00 1380.00 7420.00
1972 1674.50 1448.50 956.00 544.00 203.50 23.00 16.50 18.50 146.50 537.50 939.00 1484.50 7992.00
1973 1409.50 1142.00 754.50 519.00 205.50 9.50 0.00 0.00 138.50 311.50 907.50 1458.50 6856.00
1974 1572.50 1102.50 897.00 462.00 250.50 56.00 0.00 19.00 196.50 362.00 907.50 1259.50 7085.00
1975 1449.50 1345.00 1193.00 696.50 145.50 37.50 6.00 1.00 194.00 376.50 904.00 1353.50 7702.00
1976 1504.50 989.50 897.50 377.50 200.00 17.00 5.00 0.00 112.00 612.25 a 1051.00 0.00 z 5766.25
1977 1751.50 997.00 897.50 306.50 22.50 1.00 0.00 10.50 97.00 473.00 959.00 1450.50 6966.00
1978 1952.00 0.00 z 813.50 g 530.00 182.50 35.50 1.50 9.00 58.50 415.00 0.00 z 0.00 z 3184.00
1979 1928.50 1560.00 1060.72 a 593.50 0.00 z 29.50 0.00 19.50 0.00 z 457.25 a 985.50 1098.00 7732.47
1980 0.00 z 1327.00 1007.00 422.14 b 0.00 z 0.00 z 0.00 z 0.00 z 70.00 467.50 0.00 z 1294.50 4588.14
1981 0.00 z 1008.00 a 777.00 0.00 z 208.00 8.50 10.00 5.50 0.00 z 0.00 z 0.00 z 0.00 z 2017.00
1982 0.00 z 1244.50 0.00 z 605.00 159.00 0.00 z 0.00 17.00 161.50 471.50 1012.50 0.00 z 3671.00
1983 1337.00 1059.00 940.00 667.50 279.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4283.00
1984 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 s 3.50 231.50 451.00 829.50 1388.00 2903.50
1985 1561.50 1262.50 814.00 357.00 0.00 z 71.50 3.50 23.50 236.50 475.00 1294.50 1674.50 7774.00
1986 1307.00 1298.50 796.00 491.00 143.50 2.00 0.00 35.50 138.50 413.50 1022.00 1151.50 6799.00
1987 1210.00 848.00 816.50 320.00 76.00 8.00 3.00 52.00 101.50 567.50 785.00 1214.00 6001.50
1988 1670.50 1414.50 840.50 481.50 71.00 1.00 3.00 18.00 81.00 552.50 854.00 1230.50 7218.00
1989 1141.00 1471.50 1046.50 443.50 192.00 41.00 0.00 2.50 154.00 425.50 968.00 1612.00 7497.50
1990 1073.50 1036.50 803.50 535.00 233.00 21.00 4.00 2.50 82.00 467.00 817.50 1500.50 6576.00
1991 1543.50 910.00 897.50 482.50 221.50 7.00 1.00 4.50 191.00 592.50 1206.50 1225.00 7282.50
1992 1200.00 1027.50 852.50 685.00 199.00 42.00 55.50 80.00 181.00 527.00 1051.50 1425.50 7326.50
1993 1642.50 1439.50 1155.00 641.50 245.50 89.00 1.50 21.50 306.50 580.50 1090.00 1359.50 8572.50
1994 1835.00 1499.50 910.50 582.50 195.00 16.00 17.50 23.50 149.50 439.50 885.50 1382.50 7936.50
1995 1559.50 1188.50 1039.00 744.00 329.50 68.00 12.00 9.00 216.50 576.50 1124.00 1311.00 8177.50
1996 1673.00 1259.50 1237.50 684.50 342.50 32.50 9.50 3.50 242.00 532.50 1242.50 1698.00 8957.50
1997 1800.50 1292.00 1086.00 726.50 398.00 13.00 16.50 18.50 125.00 460.00 1083.00 1180.00 8199.00
1998 1404.00 917.50 1176.97 a 569.00 144.00 103.50 5.00 0.00 59.00 450.50 839.50 1237.50 6906.47
1999 1558.78 a 1007.50 965.00 560.00 226.50 56.00 3.50 7.50 190.50 481.61 c 655.50 1201.50 6913.89
2000 1390.00 1001.50 750.50 571.50 191.00 65.50 18.50 4.50 164.50 420.00 1244.50 1757.70 a 7579.70
2001 1439.50 1479.00 1215.00 526.00 183.00 47.00 3.00 0.00 167.00 512.00 634.00 1259.00 7464.50
2002 1274.00 994.50 1320.00 566.00 370.00 25.50 2.50 19.00 153.00 707.00 933.00 1202.00 7566.50
2003 1459.00 1273.00 1034.50 527.50 289.50 72.00 1.00 6.50 187.00 400.50 1023.00 1225.00 7498.50
2004 1537.50 1357.50 833.50 508.00 282.50 77.50 14.50 57.00 111.50 478.50 839.50 1247.00 7344.50
2005 1584.00 1024.00 995.50 457.00 296.00 13.50 7.50 7.00 75.00 489.50 814.00 1490.50 7253.50
2006 1032.00 1183.00 1008.50 429.50 251.50 18.00 0.00 5.00 228.50 612.50 922.50 1179.50 6870.50
2007 1450.00 1446.00 838.50 643.50 113.50 23.00 0.50 8.50 152.00 419.50 908.00 1461.00 7464.00
2008 1553.50 1546.50 1116.50 707.50 395.00 15.50 1.50 0.00 147.00 540.50 933.50 1597.02 a 8554.02
2009 1596.00 1138.50 1081.50 669.00 293.00 85.50 29.00 17.50 82.24 a 684.00 706.03 a 1574.00 7956.28
2010 1276.50 f 1456.50 914.00 289.00 f 209.50 i 14.00 j 0.00 k 0.00 l 66.50 l 243.50 l 599.50 j 1028.50 i 2370.50
2011 782.00 p 889.50 j 646.50 l 377.50 k 174.00 k 9.00 n 0.50 k 0.00 i 123.00 l 256.00 k 599.00 j 655.50 n 0.00
2012 768.50 l 712.00 j 318.50 j 296.00 i 95.00 i 13.50 j 0.00 p 6.50 f 147.00 e 612.50 924.50 1373.50 3057.50
2013 1456.00 1244.00 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 2700.00
Period of Record Statistics
MEAN 1535.57 1223.29 1011.02 531.22 214.79 37.77 6.53 12.80 148.02 470.78 939.88 1370.71 7490.54
S.D. 204.93 184.66 177.34 111.76 85.18 28.77 9.89 15.48 59.76 97.49 142.71 160.62 580.98
SKEW -0.36 -0.16 0.29 0.03 0.19 0.87 2.61 2.21 0.70 -0.12 0.47 0.35 0.28
MAX 1952.00 1560.00 1439.50 759.00 398.00 123.50 55.50 80.00 330.50 707.00 1294.50 1757.70 8957.50
MIN 1032.00 826.50 668.50 294.50 22.50 1.00 0.00 0.00 50.00 175.00 634.00 1079.00 6001.50
NO YRS 56 60 58 59 58 57 59 59 58 59 57 56 44