GREEN RIVER, WYOMING

Monthly Total Heating Degree Days

(484065)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201304
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
1897 0.00 z 0.00 z 0.00 z 634.00 225.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 710.00 1448.50 3018.00
1898 0.00 z 935.00 636.50 0.00 z 0.00 z 123.89 c 24.80 a 5.00 0.00 z 805.50 0.00 z 0.00 z 2530.69
1899 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
1900 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
1901 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
1902 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
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 0.00 z 0.00 z 0.00
1904 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 1307.96 e 1307.96
1905 1265.00 1291.11 a 844.00 640.50 484.78 b 136.50 27.00 13.00 241.61 b 803.00 974.00 1466.00 8186.49
1906 1439.50 1196.50 1272.00 633.50 412.50 209.00 24.50 67.00 263.50 431.00 h 1023.50 1312.50 7854.00
1907 1431.00 1012.50 891.50 634.50 555.00 313.97 a 19.50 92.50 270.00 528.00 1002.00 1379.50 8129.97
1908 1641.00 1404.43 a 1054.00 657.50 528.00 317.00 35.50 97.00 320.50 787.00 1147.50 1348.50 9337.93
1909 1237.00 1205.00 1067.00 820.00 528.19 e 134.50 30.50 1.00 281.00 585.50 0.00 z 1672.00 7561.69
1910 1550.50 1325.00 692.00 482.00 0.00 z 59.50 8.00 50.50 226.00 621.50 876.00 1302.50 7193.50
1911 1346.00 1318.00 937.00 765.50 417.50 109.00 0.00 z 67.00 316.00 714.00 0.00 z 0.00 z 5990.00
1912 0.00 z 1204.00 1179.50 823.00 583.00 180.00 47.00 71.50 511.00 765.50 1040.00 1510.00 7914.50
1913 1434.50 1257.50 997.00 593.50 326.50 126.96 b 65.00 11.50 0.00 z 593.00 h 948.50 1793.50 7554.46
1914 1588.00 1350.50 1111.50 633.50 265.50 153.50 26.50 45.00 250.00 546.00 938.50 1655.50 8564.00
1915 1488.00 a 1070.50 1006.00 445.34 a 488.50 276.50 23.50 19.00 351.00 573.50 a 951.00 1333.50 8026.34
1916 1649.00 1281.00 896.50 631.50 534.00 198.50 7.50 57.00 312.32 b 684.00 1156.50 1516.00 8923.82
1917 1666.50 1229.50 1415.00 849.00 589.00 217.50 9.50 f 21.00 p 214.80 e 629.50 885.54 b 1002.00 8698.34
1918 1321.00 1237.50 858.50 617.00 i 348.00 g 145.80 e 7.75 c 37.00 g 191.00 520.50 1081.00 1352.50 6715.55
1919 1350.50 1130.00 948.50 652.50 316.50 100.00 2.50 24.05 b 153.00 890.00 1062.69 d 1506.00 8136.24
1920 1174.00 1080.25 a 1071.50 876.00 411.50 140.50 0.00 z 0.00 z 290.00 704.50 1076.00 1392.00 8216.25
1921 1330.93 a 1055.50 857.50 771.00 321.00 103.50 21.00 q 26.50 k 357.00 481.07 d 865.00 1331.50 7474.01
1922 1745.50 1347.50 1307.00 811.50 391.63 a 65.00 22.50 6.50 164.50 593.50 1047.50 1346.50 8849.13
1923 1325.00 1374.59 a 1165.08 a 707.00 366.50 82.76 a 1.50 19.12 a 260.50 732.00 955.86 a 1450.00 8439.91
1924 1539.50 947.50 1154.00 700.00 381.00 124.00 23.00 34.50 301.50 658.50 1030.50 1405.50 8299.50
1925 1428.50 1020.50 882.00 550.00 272.00 204.50 10.00 26.00 248.00 667.00 1039.00 1159.00 7506.50
1926 1483.00 1069.00 995.50 512.50 321.50 94.50 20.00 19.50 342.00 574.50 851.50 1383.00 7666.50
1927 1367.50 1114.50 1039.50 711.00 479.50 119.50 14.50 37.00 284.50 613.50 815.00 1556.00 8152.00
1928 1186.00 1219.50 898.00 784.00 298.00 246.00 25.00 73.00 229.50 622.58 a 1066.50 1805.00 8453.08
1929 1512.50 1450.50 1008.50 769.50 448.50 169.50 21.00 1.00 293.50 642.50 1053.00 1100.00 8470.00
1930 1807.50 894.50 973.00 486.50 406.50 145.50 0.50 2.50 193.00 642.00 1077.50 1351.50 7980.50
1931 1304.58 a 984.50 1064.50 613.50 396.00 47.00 15.50 22.00 216.50 543.00 1153.00 1619.50 7979.58
1932 1628.02 a 1271.00 1140.00 688.50 357.50 185.00 13.50 42.00 191.00 740.00 925.50 1694.50 8876.52
1933 1352.00 1369.00 954.50 763.00 517.00 38.50 0.00 73.50 223.50 485.00 882.50 1083.00 7741.50
1934 1243.10 a 886.50 752.00 479.00 145.00 115.50 13.00 11.88 a 322.00 516.00 906.00 1293.50 6683.48
1935 1304.00 1005.50 990.50 684.50 501.00 118.50 4.50 11.00 173.00 606.50 1024.50 1296.00 7719.50
1936 1398.00 1160.00 999.00 627.50 240.00 97.50 12.00 4.50 280.50 596.00 956.50 1250.50 7622.00
1937 1804.00 1263.50 1103.50 743.50 283.13 a 176.00 4.50 8.50 129.50 508.00 896.50 1199.50 8120.13
1938 1247.50 1063.00 987.50 627.50 433.00 53.00 36.00 47.00 130.34 a 514.60 a 1146.50 1183.00 7468.94
1939 1268.00 1339.00 921.00 530.50 295.50 221.00 13.00 32.00 222.00 608.00 862.00 1084.50 7396.50
1940 1464.50 1157.00 875.50 621.21 a 232.50 104.50 14.00 37.50 171.72 a 563.00 1127.00 1292.50 7660.93
1941 1631.00 1145.50 953.50 654.50 282.50 173.00 14.00 44.50 349.50 691.00 922.76 a 1224.50 8086.26
1942 1566.00 1417.00 1100.50 595.50 457.50 177.50 6.50 17.50 242.00 603.98 a 900.52 a 1212.50 8297.00
1943 1305.00 1052.00 1025.50 439.50 437.00 212.50 17.00 22.00 139.50 512.00 876.00 1267.50 7305.50
1944 1658.00 1295.00 1100.50 698.00 335.50 196.00 13.00 43.00 236.00 510.00 1016.50 1339.50 8441.00
1945 1199.00 976.00 984.50 787.00 324.00 280.00 26.00 28.50 338.00 490.50 1129.14 a 1417.00 7979.64
1946 1394.00 1069.50 819.00 493.50 480.50 a 106.50 13.00 17.00 257.00 750.00 1089.50 1085.50 7575.00
1947 1424.45 a 1026.00 878.50 685.50 283.00 278.00 3.00 60.00 218.00 477.40 a 1098.50 1309.00 7741.35
1948 1263.00 1177.00 1117.00 655.00 347.00 118.00 15.00 22.14 c 145.00 585.00 1120.56 c 1482.00 8046.70
1949 1925.00 1391.00 973.50 520.00 312.50 g 100.20 e 1.00 27.50 211.50 747.50 756.50 1338.00 7991.70
1950 1479.00 1191.50 987.00 686.00 560.50 192.50 52.00 g 16.50 t 321.72 a 206.50 r 0.00 z 1032.50 6450.72
1951 1298.50 944.50 1022.50 658.00 335.50 190.50 11.50 33.50 216.50 612.00 1114.50 1345.00 7782.50
1952 1495.00 1345.00 1251.50 568.50 354.00 76.50 g 19.00 12.50 158.00 502.50 1180.50 1307.50 8194.00
1953 1040.00 1035.50 910.50 748.00 499.50 111.00 0.00 1.00 140.50 482.00 830.50 1216.00 7014.50
1954 1166.00 937.50 1010.50 543.00 261.95 a 164.50 9.96 c 49.50 200.50 567.50 816.00 1554.00 7280.91
1955 1562.00 1220.00 1154.00 750.00 379.50 177.00 20.00 6.50 241.50 585.00 1062.50 1135.00 8293.00
1956 1260.00 1374.00 987.50 652.50 295.50 77.50 17.50 59.00 i 233.00 470.00 982.50 d 1123.46 d 7473.46
1957 1496.00 888.00 872.00 695.00 394.00 122.14 b 15.00 14.50 295.00 570.00 1182.00 1296.83 a 7840.48
1958 0.00 z 1092.50 1123.00 779.50 253.00 80.00 18.00 6.00 n 218.00 583.00 939.00 1093.50 6179.50
1959 1349.00 1143.00 984.50 672.00 465.00 95.00 27.50 49.50 338.00 671.50 993.00 1297.50 8085.50
1960 1610.50 1485.50 1042.00 625.50 434.50 96.50 19.00 93.00 236.00 632.50 1033.50 1540.50 8849.00
1961 1397.50 1044.50 998.50 720.50 362.50 72.50 10.50 19.00 418.50 743.00 1205.50 1480.50 8473.00
1962 1704.00 1106.56 c 1296.00 583.50 421.00 180.50 36.00 84.00 252.41 a 561.50 923.00 1242.00 8390.47
1963 1578.50 949.50 1048.00 768.00 332.00 175.00 11.00 15.50 172.50 472.00 992.00 1341.50 7855.50
1964 1504.50 1415.00 1260.50 784.00 423.50 235.50 4.00 118.50 314.00 625.17 a 1109.00 1360.50 9154.17
1965 1360.00 1131.50 1250.50 652.50 494.00 188.00 19.00 98.50 512.50 544.00 849.00 1430.50 8530.00
1966 1519.00 1314.00 1047.50 751.00 356.00 188.00 5.00 57.00 170.50 752.00 901.55 a 1413.00 8474.55
1967 1243.00 1119.00 947.50 769.50 545.00 223.50 10.50 18.50 233.50 618.00 1035.00 1584.00 8347.00
1968 1575.00 1189.00 951.00 865.00 499.00 174.50 29.50 153.00 363.00 660.50 1098.50 1481.00 9039.00
1969 1321.00 1404.67 a 1421.00 654.00 320.33 a 295.00 35.00 14.50 217.00 854.00 1012.50 1326.00 8875.00
1970 1319.00 1043.00 1143.00 886.00 440.50 212.00 32.50 14.50 305.50 g 635.50 j 990.00 1547.42 a 7627.92
1971 1256.00 1125.00 1120.00 767.00 477.50 31.00 p 5.50 6.50 o 345.60 e 698.50 1263.50 1623.50 8682.10
1972 1490.00 1237.00 815.00 677.00 410.50 112.50 28.50 35.50 312.50 619.00 0.00 z 1569.50 7307.00
1973 1731.00 1484.00 1149.50 818.00 414.50 180.00 49.50 32.00 331.00 577.00 1068.00 1275.50 9110.00
1974 1557.00 1261.00 898.50 696.00 368.50 89.50 7.50 49.00 259.82 b 568.50 927.50 1331.50 8014.32
1975 1384.50 1112.00 991.50 840.50 454.00 287.50 16.00 134.50 326.00 727.00 1105.00 1255.50 8634.00
1976 1381.00 1286.60 c 745.50 k 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 695.00 o 2667.60
1977 1415.00 1052.50 1134.00 597.00 0.00 z 41.50 25.50 95.00 304.50 632.50 1022.22 c 1211.00 7530.72
1978 1336.00 1152.50 909.00 663.00 526.00 171.50 34.00 105.00 362.00 602.00 1215.00 a 1657.00 8733.00
1979 1893.50 1316.50 1006.00 723.50 453.50 225.50 17.50 53.00 207.50 593.00 1262.59 a 1427.50 9179.59
1980 1479.50 1288.00 1083.50 715.00 476.00 189.50 21.00 135.50 331.50 643.00 989.50 1099.50 8451.50
1981 1267.50 1055.00 925.50 597.50 471.50 174.50 61.50 52.00 250.00 767.00 961.07 b 1258.00 7841.07
1982 1480.50 1296.50 991.50 868.50 495.00 236.50 77.50 14.00 358.50 735.00 1118.00 1394.50 9066.00
1983 1270.00 1171.00 948.50 842.50 560.00 215.00 0.00 z 0.00 z 251.50 601.00 1072.00 1643.00 8574.50
1984 1743.00 1505.00 1129.50 828.50 414.00 238.50 17.50 37.50 348.50 839.58 a 1071.50 1650.00 9823.08
1985 1723.00 1421.50 1099.00 606.50 351.50 144.00 15.00 97.50 437.00 725.00 1193.50 1506.00 9319.50
1986 1510.50 1046.50 824.00 702.00 498.00 68.50 27.00 o 20.50 444.83 a 636.50 1029.50 1391.50 8172.33
1987 1585.50 1022.00 1012.50 564.50 329.00 106.00 60.50 103.50 280.50 613.00 1039.50 1440.98 a 8157.48
1988 1496.50 1177.00 1055.50 645.00 407.50 81.00 3.00 61.00 396.00 556.00 1116.00 1526.50 8521.00
1989 1500.00 1531.50 873.50 561.50 415.00 200.50 5.50 93.00 303.00 615.50 965.50 1360.00 8424.50
1990 1287.00 1189.50 911.50 560.00 491.00 170.00 14.00 42.50 157.50 662.00 984.50 1629.00 8098.50
1991 1543.00 1015.00 976.50 744.50 449.00 132.50 37.50 27.00 273.00 654.00 1086.00 1616.00 8554.00
1992 1719.00 1210.50 801.00 536.00 276.00 147.50 65.50 75.00 299.00 587.00 1152.00 1678.50 8547.00
1993 1727.00 1533.00 1062.00 734.50 354.00 266.50 160.00 95.00 299.50 697.50 1188.50 1379.50 9497.00
1994 1262.00 1330.50 867.50 633.50 301.50 106.00 22.00 9.50 231.00 679.50 1210.50 1303.00 7956.50
1995 1468.50 981.00 939.50 742.50 580.00 230.00 61.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 5002.50
1996 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
1997 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
1998 0.00 z 1061.50 983.50 664.50 377.00 264.00 0.00 10.00 121.00 528.50 842.00 1265.00 6117.00
1999 846.00 h 1029.50 804.00 741.50 538.00 j 165.50 2.00 k 4.50 h 314.40 e 250.00 s 419.00 m 925.00 h 3054.90
2000 858.50 j 963.00 878.50 492.78 c 130.00 i 58.50 m 0.00 l 5.50 m 100.50 m 453.00 g 1279.82 b 1075.50 f 3614.10
2001 1029.50 i 783.00 j 865.13 d 625.00 c 247.00 j 155.40 e 0.00 j 4.50 n 123.60 e 287.50 m 468.00 p 1461.17 e 3230.30
2002 899.50 j 1153.50 541.50 p 174.00 u 398.00 105.00 n 0.00 z 4.00 k 126.50 j 247.50 t 1020.50 686.50 l 2572.00
2003 1097.50 1103.00 844.00 253.50 p 164.50 m 98.00 k 2.00 m 11.00 k 131.50 l 385.00 h 619.00 l 333.00 v 3044.50
2004 1598.00 906.50 k 404.00 s 451.00 f 259.50 l 130.50 20.50 67.00 k 177.00 g 288.50 p 685.50 j 662.50 o 1749.00
2005 722.50 n 600.00 n 536.50 m 316.50 n 43.00 v 78.50 p 0.00 z 23.25 e 255.00 j 0.00 z 381.50 r 677.00 p 23.25
2006 670.00 n 824.50 h 777.50 g 78.00 z 143.50 v 55.50 f 0.00 v 34.00 f 334.00 506.50 k 289.50 s 830.50 k 334.00
2007 1012.00 l 656.00 i 217.00 x 413.50 l 287.94 e 12.00 s 0.00 r 4.00 180.50 f 384.50 h 645.00 i 455.50 u 291.94
2008 1084.00 j 945.00 g 574.00 n 459.50 l 177.00 n 136.00 l 0.00 x 5.00 h 153.00 k 592.50 557.00 h 281.00 v 592.50
2009 779.00 k 483.50 m 40.00 z 611.50 47.50 u 96.50 l 1.50 o 45.50 g 38.00 l 432.50 k 864.50 1451.00 2927.00
2010 1276.50 1051.50 0.00 z 0.00 z 0.00 z 0.00 z 20.00 30.00 145.00 468.00 995.00 1253.00 5239.00
2011 1372.00 1238.00 983.50 744.50 584.00 183.00 2.00 0.00 122.50 534.00 1106.00 1408.00 8277.50
2012 1191.00 1149.50 771.50 536.00 336.87 a 80.00 0.00 0.00 108.50 557.48 a 846.00 1351.00 6927.85
2013 1545.72 b 1091.50 915.50 39.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 65.00 z 3552.72
Period of Record Statistics
MEAN 1447.91 1179.06 1001.79 673.96 403.09 159.36 21.58 42.53 262.70 622.51 1018.38 1379.40 8246.88
S.D. 181.15 159.16 142.30 105.32 97.20 65.68 22.06 35.83 84.91 95.43 119.75 172.73 617.30
SKEW 0.34 0.26 0.45 -0.09 -0.06 0.34 3.28 1.02 0.44 0.54 -0.09 0.18 0.02
MAX 1925.00 1533.00 1421.00 886.00 589.00 317.00 160.00 153.00 512.50 890.00 1279.82 1805.00 9823.08
MIN 1040.00 886.50 636.50 439.50 145.00 38.50 0.00 0.00 108.50 468.00 710.00 1002.00 6683.48
NO YRS 95 101 99 97 92 95 89 87 94 91 93 96 70