FONTENELLE DAM, WYOMING

Monthly Total Heating Degree Days

(483396)

Base Temperature = 65 F

File last updated on Apr 4, 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
1963 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 37.72 a 42.50 203.00 504.00 1012.50 1373.00 3172.72
1964 1527.50 1406.50 1241.50 0.00 z 0.00 z 0.00 z 13.00 108.00 343.00 652.00 1134.50 1425.50 7851.50
1965 1412.50 1185.00 1280.00 716.00 557.48 a 265.50 56.50 128.50 532.50 600.62 c 938.50 1491.00 9164.11
1966 1673.00 1480.50 1108.50 837.50 424.50 258.50 10.00 89.50 266.50 817.50 985.50 1604.50 9556.00
1967 1368.00 1257.00 1060.00 866.50 560.50 299.00 35.50 28.00 256.50 662.00 1091.00 1586.00 9070.00
1968 1571.00 1220.50 801.50 f 862.20 e 534.48 b 188.00 28.00 f 97.50 m 436.73 d 577.50 f 790.50 j 1248.00 g 4812.91
1969 894.00 l 1017.50 i 993.50 k 509.50 h 257.00 j 204.50 i 41.00 j 21.00 j 290.19 d 713.00 f 609.00 m 915.00 j 290.19
1970 951.00 j 728.00 i 946.00 g 705.00 h 322.50 k 192.00 h 33.50 i 12.00 j 484.20 e 886.50 1070.00 1628.50 4069.20
1971 1413.00 1180.00 1194.00 826.50 530.00 236.50 55.00 21.00 490.50 803.50 1329.50 1755.00 9834.50
1972 1583.00 1362.00 894.50 748.00 493.50 164.00 0.00 z 58.50 367.24 a 0.00 z 1251.00 1647.50 8569.24
1973 1869.30 a 0.00 z 1309.00 910.00 499.50 258.50 83.50 70.50 420.50 700.00 1182.50 1441.50 8744.80
1974 1645.50 0.00 z 933.00 737.00 0.00 z 146.00 64.50 152.50 404.00 706.28 a 0.00 z 1467.50 6256.28
1975 1508.00 1207.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 781.50 1162.24 a 1335.00 5994.24
1976 1481.50 1478.00 1297.00 785.00 465.00 320.50 33.00 206.00 382.00 878.00 1142.50 1466.00 9934.50
1977 1625.00 1180.00 1319.50 756.72 a 648.00 113.50 53.00 124.00 384.50 746.50 1125.00 a 1328.50 9404.22
1978 1517.50 1375.50 1057.00 796.50 685.00 334.50 109.00 242.50 499.50 663.00 1288.39 b 1792.00 10360.39
1979 2023.50 1496.00 1258.00 816.50 558.00 295.00 71.00 111.00 311.50 704.50 1381.50 1520.50 10547.00
1980 1682.00 1489.00 1279.00 818.50 535.00 258.50 49.50 166.00 394.50 768.00 1170.00 1234.50 9844.50
1981 1399.00 1161.50 1001.00 694.50 526.00 241.55 a 72.00 48.50 307.00 855.00 1045.50 1335.50 8687.05
1982 1660.50 1408.00 1116.00 960.00 544.00 275.50 110.50 49.00 419.00 852.00 1286.00 1587.50 10268.00
1983 1408.50 1284.00 1087.00 964.50 713.00 353.00 142.00 59.00 387.00 759.50 1226.50 1839.00 10223.00
1984 1927.50 1704.00 1352.00 963.50 522.50 311.50 50.00 64.50 442.50 959.50 1233.50 1723.00 11254.00
1985 1826.50 1533.50 1267.00 713.00 472.00 201.50 21.00 172.00 530.00 853.50 1369.50 1759.50 10719.00
1986 1687.50 1214.89 a 945.00 795.50 609.50 150.00 143.63 a 75.50 515.00 774.00 1117.00 1505.50 9533.02
1987 1779.00 1225.00 1151.50 679.50 441.50 245.00 126.50 169.50 343.50 695.50 1127.00 1579.50 9563.00
1988 1661.00 1275.50 1181.50 777.00 525.50 142.00 34.00 135.50 434.00 553.50 1163.00 1596.50 9479.00
1989 1563.00 1628.00 1012.00 750.50 572.50 294.50 19.50 136.00 396.50 743.00 744.50 j 926.00 l 7115.50
1990 944.50 j 1221.00 983.00 624.50 579.50 216.00 25.00 98.00 253.00 913.00 1189.00 1854.00 7956.00
1991 1726.00 1079.00 1108.00 859.00 583.50 277.50 108.00 154.50 433.50 871.00 1260.50 1783.50 10244.00
1992 1759.50 1255.50 856.50 616.00 336.00 172.50 166.00 204.00 618.00 936.50 1530.00 1998.00 10448.50
1993 2001.00 1890.00 1467.00 1114.00 725.50 520.00 372.00 325.00 585.50 870.50 1418.50 1714.50 13003.50
1994 1478.50 1458.00 1044.00 831.00 495.50 274.50 88.00 104.00 366.50 851.00 1411.50 1499.00 9901.50
1995 1653.00 1205.00 1179.00 1006.50 737.50 368.00 189.50 128.50 387.00 857.00 984.50 1366.00 10061.50
1996 1376.00 1290.50 1206.00 938.28 a 675.50 271.50 110.50 182.00 567.00 898.48 a 1159.50 1522.50 10197.76
1997 1597.50 1513.50 1298.00 1069.00 624.50 349.50 273.32 a 229.00 519.83 a 974.50 1348.50 1941.12 a 11738.26
1998 1710.50 1493.00 1469.00 1033.00 721.50 636.50 134.50 288.00 499.50 985.00 1356.00 1736.00 12062.50
1999 1594.00 1433.50 1281.50 1114.00 844.00 527.50 239.50 257.00 622.50 915.50 1189.50 1567.00 11585.50
2000 1568.50 1323.50 1303.50 897.00 692.00 465.50 158.50 147.50 655.00 1044.50 1756.00 1830.50 11842.00
2001 1865.50 1561.50 1266.50 1023.50 734.00 472.00 227.50 237.00 531.21 a 1007.00 1370.00 2025.00 12320.71
2002 1842.00 1670.00 1532.50 1055.00 825.50 426.50 122.00 122.50 366.00 849.00 1160.00 1732.00 11703.00
2003 1524.50 1671.70 a 1338.50 976.00 670.50 425.50 74.00 165.50 558.50 826.00 1507.50 1633.00 11371.20
2004 1973.00 1706.70 b 1239.50 832.24 a 684.00 258.50 80.00 166.50 397.00 702.50 1134.00 1353.67 a 10527.61
2005 1567.50 1550.50 1171.50 799.50 553.50 348.50 41.50 97.00 408.00 738.50 1113.00 1574.50 9963.50
2006 1439.50 1366.50 1153.00 750.50 491.00 159.00 19.00 124.50 419.50 782.00 1103.00 1515.50 9323.00
2007 1836.00 1133.00 955.50 783.00 504.00 32.50 o 0.00 38.00 368.50 703.50 1053.00 1660.00 9034.50
2008 1873.00 1491.00 1338.00 1009.00 582.44 e 303.00 26.00 101.50 386.00 732.50 983.50 1478.50 10304.44
2009 1407.50 1192.50 1178.00 828.00 516.50 302.00 59.23 c 152.00 220.50 906.50 1066.50 0.00 z 7829.23
2010 1499.00 1310.00 1031.00 848.00 711.50 61.00 v 0.00 z 0.00 z 295.86 a 632.50 1131.50 1398.00 8857.36
2011 980.00 m 0.00 z 1134.00 867.00 e 654.62 a 298.45 a 31.50 14.47 a 251.79 b 669.27 c 970.50 g 1587.41 b 5508.50
2012 1321.63 a 1257.60 c 903.43 c 670.50 477.73 c 156.21 a 3.62 a 16.03 b 257.88 d 673.50 944.50 1498.00 8180.63
2013 1663.50 1250.00 1030.50 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 3944.00
Period of Record Statistics
MEAN 1632.39 1379.45 1169.81 851.54 587.22 292.59 89.53 129.12 412.44 792.75 1200.06 1593.27 10349.16
S.D. 182.87 184.68 159.94 127.64 109.27 113.97 78.46 74.04 110.63 121.81 167.96 185.27 1081.57
SKEW 0.37 0.63 0.03 0.32 0.31 0.90 1.55 0.54 0.19 -0.10 0.95 0.38 0.48
MAX 2023.50 1890.00 1532.50 1114.00 844.00 636.50 372.00 325.00 655.00 1044.50 1756.00 2025.00 13003.50
MIN 1321.63 1079.00 856.50 616.00 336.00 113.50 0.00 14.47 203.00 504.00 938.50 1234.50 8180.63
NO YRS 46 45 46 45 44 43 44 45 49 47 45 46 35