GREEN RIVER AVIATION, UTAH

Monthly Total Heating Degree Days

(423418)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 200905
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 482.00 m 683.50 382.00 120.50 7.50 0.00 3.00 103.50 497.00 931.00 895.00 3623.00
1894 1184.00 1037.00 0.00 z 0.00 z 0.00 z 0.00 p 0.00 z 0.00 z 0.00 z 300.00 o 930.00 1337.50 4488.50
1895 1451.50 0.00 z 156.50 t 0.00 z 115.50 15.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1582.00
1896 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
1897 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
1898 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
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 552.00 598.00 1108.00 2258.00
1900 812.00 731.00 549.50 356.50 42.00 2.00 0.00 0.00 139.50 381.00 720.50 1167.00 4901.00
1901 1229.00 900.00 679.00 414.50 58.50 35.50 0.00 0.00 37.50 248.00 665.00 1259.00 5526.00
1902 1193.50 1220.50 647.00 290.50 30.50 7.00 0.00 0.00 61.00 282.00 659.50 1470.50 5862.00
1903 1386.50 1431.00 583.00 326.50 122.00 0.00 0.00 0.00 96.50 184.00 755.50 1275.00 6160.00
1904 1366.50 958.00 236.00 245.50 95.50 0.00 0.00 0.50 25.50 375.50 828.00 1090.00 5221.00
1905 1160.00 883.50 516.50 283.50 301.50 1.50 0.00 0.00 56.50 476.00 610.00 1240.00 5529.00
1906 1223.00 789.00 570.00 277.50 147.50 51.00 0.00 a 0.00 z 0.00 z 0.00 z 0.00 z 202.50 r 3058.00
1907 807.00 298.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 477.50 m 1058.00 2163.50
1908 1237.50 883.00 580.50 253.00 187.00 17.00 0.00 0.00 75.00 424.00 841.50 1390.50 5889.00
1909 1095.50 823.00 609.50 372.50 156.50 0.00 0.00 0.00 86.50 222.50 689.00 1673.50 5728.50
1910 1421.00 900.50 397.00 229.50 110.50 0.00 0.00 0.00 10.50 309.00 612.00 1161.00 5151.00
1911 1050.00 773.00 485.00 340.00 82.50 11.00 0.00 0.00 11.50 445.00 878.00 1288.00 5364.00
1912 1391.00 871.00 641.50 446.50 184.50 7.00 2.50 0.00 197.00 439.50 775.00 1292.00 6247.50
1913 1414.50 943.00 744.50 360.00 108.50 16.50 0.00 0.00 99.00 474.00 711.50 1359.00 6230.50
1914 1260.50 853.00 587.50 270.00 73.00 36.00 0.00 0.00 59.00 354.00 816.50 1283.50 5593.00
1915 1501.00 1072.00 621.00 202.50 207.50 43.50 0.00 0.00 61.50 383.00 804.50 1081.50 5978.00
1916 1354.00 1062.00 564.00 296.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 393.50 j 946.50 1300.50 5523.00
1917 1750.50 1067.00 880.50 522.00 267.00 45.50 0.00 0.50 122.50 518.00 797.00 1094.00 7064.50
1918 1245.00 957.50 598.50 467.50 206.00 10.50 0.00 5.50 100.50 342.50 900.00 1288.00 6121.50
1919 1864.50 1014.00 730.50 286.00 75.00 40.00 0.00 0.00 32.00 492.00 876.50 1438.50 6849.00
1920 1436.50 828.50 727.00 521.00 110.50 2.00 0.00 0.00 75.00 435.50 765.00 1278.00 6179.00
1921 1224.00 768.50 532.50 437.50 102.50 14.00 4.00 0.00 35.50 245.50 690.50 904.00 4958.50
1922 1218.50 924.00 748.50 496.50 127.50 1.50 0.00 0.00 0.00 426.00 775.50 957.50 5675.50
1923 1041.50 902.50 828.50 409.00 83.00 22.50 0.00 0.00 112.00 468.50 727.00 1111.00 5705.50
1924 1519.50 843.50 824.50 384.50 108.00 9.50 0.00 0.00 103.00 410.00 828.50 1336.50 6367.50
1925 1670.00 842.50 622.00 271.00 31.50 47.50 0.00 4.50 54.00 415.00 818.00 1067.00 5843.00
1926 1216.50 778.50 642.50 239.00 72.00 0.00 0.00 0.00 76.50 322.00 783.10 a 1211.50 5341.60
1927 1115.00 759.50 669.00 341.50 127.00 0.00 0.00 0.00 70.50 341.00 671.00 1192.00 5286.50
1928 1096.00 842.50 551.50 415.00 81.00 13.00 0.00 2.00 24.50 320.50 721.00 1179.00 5246.00
1929 1353.00 1081.00 698.50 454.00 124.50 19.50 0.00 0.00 44.50 341.50 966.50 1121.00 6204.00
1930 1501.00 1021.50 678.00 214.50 200.00 9.50 0.00 0.00 68.50 430.50 870.50 1299.00 6293.00
1931 1271.50 705.50 751.00 310.50 138.50 0.00 0.00 0.00 35.00 299.50 874.50 1527.50 5913.50
1932 1655.00 869.50 685.50 345.50 108.00 40.50 0.00 4.50 23.50 424.50 844.00 1360.50 6361.00
1933 1533.00 1421.00 662.00 494.00 247.00 0.50 0.00 0.00 1.00 246.00 793.50 1021.50 6419.50
1934 1004.50 668.00 473.00 231.50 33.00 26.50 0.00 0.00 76.00 297.50 724.50 1048.00 4582.50
1935 1063.50 814.00 727.50 378.50 203.00 5.00 0.00 0.00 34.50 409.50 873.50 1219.50 5728.50
1936 1455.00 849.00 645.50 315.00 50.00 29.00 5.00 0.00 49.00 373.00 893.50 1132.00 5796.00
1937 1848.00 1048.00 642.00 360.00 32.50 25.00 0.00 0.00 32.00 303.50 719.50 1022.00 6032.50
1938 1200.50 775.50 595.50 312.50 159.50 0.00 0.00 0.00 3.50 331.00 1003.00 1218.00 5599.00
1939 1502.50 1375.50 644.50 251.50 38.50 16.50 0.00 0.00 15.50 390.00 747.00 1024.50 6006.00
1940 1122.00 806.00 577.50 304.00 18.50 1.00 0.00 0.00 23.00 322.50 911.50 1178.00 5264.00
1941 1256.00 852.50 627.50 417.50 53.00 44.00 0.00 0.00 85.00 369.50 746.00 951.00 5402.00
1942 1151.50 950.50 792.00 296.00 175.00 2.50 0.00 0.00 47.00 299.50 732.00 1018.00 5464.00
1943 1086.00 803.00 674.00 191.00 117.00 36.50 0.00 1.00 0.50 283.50 795.50 972.00 4960.00
1944 1309.50 877.50 707.50 423.00 89.50 31.00 0.00 0.00 3.50 230.50 741.00 1098.00 5511.00
1945 1046.50 729.50 703.00 469.00 57.00 34.50 0.00 0.00 75.50 276.50 841.00 1349.50 5582.00
1946 1446.00 944.50 598.50 187.50 125.50 0.00 0.00 0.00 42.50 475.50 755.50 944.00 5519.50
1947 1224.00 778.00 579.50 352.00 26.00 34.00 0.00 0.00 10.00 220.50 871.50 1109.00 5204.50
1948 1187.50 950.00 798.50 325.00 92.50 4.00 0.00 0.00 20.50 391.50 962.00 1188.00 5919.50
1949 1513.50 1234.00 641.00 278.00 114.50 34.50 0.00 0.00 26.50 445.00 725.50 1152.00 6164.50
1950 1271.00 857.50 737.59 b 374.00 207.18 a 22.00 0.00 0.00 a 72.50 f 280.00 792.00 1032.00 5573.27
1951 1247.50 977.00 733.50 369.31 a 144.00 38.00 0.00 0.00 64.50 442.50 900.50 1231.73 a 6148.54
1952 1370.50 933.50 828.00 340.50 87.50 1.50 0.00 0.00 21.50 342.00 896.00 1171.00 5992.00
1953 1187.50 885.00 691.50 446.50 282.00 10.00 0.00 0.00 30.50 372.00 743.50 1299.50 5948.00
1954 1129.00 732.00 751.50 242.00 77.50 36.00 0.00 0.00 29.50 376.43 c 725.00 1198.84 b 5297.77
1955 1631.00 718.50 m 833.50 467.50 146.00 31.00 0.00 0.00 67.24 a 358.00 932.50 1033.50 5500.24
1956 997.00 984.00 732.50 379.00 91.00 0.00 0.00 0.00 25.00 383.50 992.50 1263.00 5847.50
1957 1184.00 833.50 613.00 429.00 196.00 22.00 0.00 11.50 74.00 356.50 851.50 1071.00 5642.00
1958 1162.50 711.00 732.00 427.50 82.00 1.00 0.00 0.00 44.50 333.00 802.50 1060.50 5356.50
1959 1150.00 830.50 701.00 352.50 108.00 2.50 0.00 0.00 109.00 0.00 z 855.00 1057.50 5166.00
1960 1365.50 959.50 646.50 371.50 145.50 0.00 0.00 2.50 18.00 365.50 760.50 1136.50 5771.50
1961 1270.00 840.50 691.50 421.55 a 129.00 8.00 0.00 0.00 171.50 390.00 811.50 1310.50 6044.05
1962 1344.50 748.46 b 813.00 295.50 167.50 23.50 0.00 4.00 43.00 309.00 682.50 1170.00 5600.96
1963 1561.00 729.50 751.00 423.00 63.00 14.00 0.00 0.00 3.00 200.00 714.00 1218.00 5676.50
1964 1274.50 1038.00 825.00 427.00 177.00 14.00 0.00 2.50 64.00 322.00 885.00 1161.00 6190.00
1965 976.50 874.50 779.00 415.50 216.00 21.00 0.00 0.00 167.50 329.00 605.50 1112.00 5496.50
1966 1203.00 934.50 689.00 382.00 77.00 8.50 0.00 0.00 28.50 398.00 716.50 1138.00 5575.00
1967 1354.00 811.50 568.50 471.00 188.00 26.50 0.00 0.00 22.00 340.50 731.00 1411.00 5924.00
1968 0.00 z 781.50 583.00 483.00 154.50 29.50 0.00 12.50 98.00 365.00 800.00 1365.55 a 4672.55
1969 1180.50 834.00 767.00 336.00 59.50 17.00 0.00 0.00 23.50 551.50 837.50 1074.50 5681.00
1970 1152.00 753.00 738.00 548.00 106.50 25.50 0.00 0.00 124.82 b 503.50 761.00 1099.00 5811.32
1971 1207.50 911.50 755.50 381.50 184.50 10.50 0.00 0.00 145.50 436.50 850.00 1186.00 6069.00
1972 1154.00 863.00 511.50 352.00 108.50 0.00 0.00 0.00 40.50 331.00 816.67 c 1317.50 5494.67
1973 1845.05 c 1207.50 704.00 460.00 119.00 44.50 0.00 n 0.00 z 0.00 z 0.00 z 0.00 z 427.00 s 4380.05
1974 1118.50 g 1292.48 c 541.35 d 426.92 d 44.50 k 0.00 z 0.00 b 0.00 h 56.50 o 248.50 f 518.50 h 691.00 n 2260.75
1975 1491.88 c 933.52 c 719.20 a 579.81 d 205.00 h 50.00 i 0.00 0.00 c 84.11 b 416.50 g 921.35 d 1152.88 b 5882.74
1976 1271.57 d 807.00 816.73 e 437.07 a 122.00 21.00 f 0.00 k 0.00 10.00 l 466.03 a 814.04 d 863.50 i 4734.45
1977 1233.69 d 810.92 b 776.60 b 311.40 e 125.50 g 0.00 d 0.00 j 2.30 d 46.20 e 264.00 g 549.50 i 797.50 f 3181.11
1978 1239.43 d 886.85 b 263.50 m 252.00 g 131.50 h 1.61 b 0.00 i 3.00 f 114.11 b 310.00 c 686.67 c 1473.61 c 4712.26
1979 1625.90 b 994.50 h 781.50 339.00 e 61.00 l 34.82 b 0.00 0.00 d 3.50 g 237.50 h 749.50 h 1287.69 e 4068.91
1980 1034.76 b 745.20 a 723.69 b 401.25 b 179.44 e 9.44 c 0.00 0.00 a 5.50 s 285.00 q 732.60 e 955.04 e 4781.42
1981 965.81 b 826.54 b 630.52 c 187.50 f 124.50 f 8.50 q 0.00 b 0.00 c 2.00 i 401.93 b 748.39 b 1038.50 e 4611.69
1982 1341.00 937.00 637.50 411.00 99.00 11.00 3.00 j 0.00 k 65.50 l 501.00 824.50 1043.50 5805.50
1983 1055.50 716.00 609.00 490.00 220.50 16.00 0.00 0.00 41.00 338.50 462.00 l 1130.50 4617.00
1984 1639.50 1094.19 c 670.00 437.50 59.00 46.50 0.00 0.00 0.00 o 532.00 787.50 1094.50 6360.69
1985 908.50 j 1038.50 620.00 280.00 65.00 8.00 0.00 0.00 j 0.00 z 0.00 z 0.00 z 0.00 z 2011.50
1986 0.00 z 0.00 z 0.00 z 311.00 142.00 2.00 0.00 0.00 110.00 396.50 730.00 1021.00 2712.50
1987 1174.00 781.00 712.50 277.50 67.00 0.00 0.00 1.00 46.50 275.50 737.50 1121.50 5194.00
1988 1573.50 1157.50 692.50 312.50 145.00 4.00 0.00 0.00 113.00 189.00 725.00 1193.00 6105.00
1989 1609.00 993.00 545.50 220.00 101.50 5.00 0.00 0.00 56.50 402.00 775.00 1165.00 5872.50
1990 1126.50 798.00 539.50 202.00 133.00 10.00 0.00 0.00 31.50 416.50 799.00 1301.50 5357.50
1991 1448.00 937.50 660.00 404.50 130.00 8.50 4.00 0.00 38.50 322.00 795.00 1155.00 5903.00
1992 1528.09 b 849.00 494.50 152.00 22.50 0.50 0.00 5.50 27.50 255.50 844.00 1252.00 5431.09
1993 1022.48 a 768.00 517.50 335.50 91.00 16.50 0.50 0.00 55.50 372.50 873.50 1064.00 5116.98
1994 1048.00 839.00 509.50 295.00 51.00 0.00 0.00 0.00 13.00 350.50 792.50 984.50 4883.00
1995 964.62 a 601.00 515.63 a 364.14 a 150.87 a 33.00 1.50 0.00 57.00 339.50 677.59 a 946.50 4651.34
1996 1089.50 718.50 561.10 a 313.00 19.00 0.00 l 0.00 0.00 m 81.50 386.50 687.00 983.00 4839.10
1997 1229.50 835.00 554.00 410.00 64.50 0.00 d 0.00 0.00 17.78 c 392.00 781.00 1081.50 5365.28
1998 932.00 728.50 359.00 q 366.50 107.50 21.00 0.00 0.00 10.50 365.50 696.50 1150.00 4378.00
1999 938.55 b 714.00 b 487.73 a 412.50 151.50 24.00 g 0.00 d 0.00 m 55.34 a 309.50 g 712.24 a 745.00 i 3471.87
2000 959.85 d 680.34 d 595.20 a 86.50 o 60.00 h 0.00 0.00 i 0.00 z 56.11 c 295.53 a 899.00 766.00 h 3486.04
2001 1026.10 a 766.23 b 499.50 264.50 71.50 f 0.00 v 0.00 g 0.00 l 4.62 d 287.50 0.00 z 1237.70 d 4086.15
2002 1114.00 892.50 666.50 194.00 0.00 z 0.00 z 0.00 n 0.00 p 13.00 j 427.50 784.50 1036.50 5115.50
2003 956.50 806.50 0.00 z 0.00 z 124.00 d 0.00 p 0.00 z 0.00 65.00 0.00 z 729.60 e 780.00 g 2681.60
2004 1382.00 880.50 412.00 253.89 c 29.50 f 0.00 o 0.00 z 0.00 n 92.00 250.00 671.50 719.50 i 3941.89
2005 803.00 673.00 587.81 e 363.00 71.00 f 8.00 j 0.00 r 0.00 n 36.50 297.17 b 743.89 c 0.00 z 3504.37
2006 682.50 k 818.00 664.00 236.00 f 43.50 f 0.00 v 0.00 m 0.00 i 7.50 q 170.00 r 475.00 j 433.50 s 1482.00
2007 279.00 w 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 h 12.00 p 320.13 e 0.00 z 0.00 z 320.13
2008 0.00 z 0.00 z 0.00 z 0.00 z 28.50 s 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 473.00 p 0.00
2009 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
Period of Record Statistics
MEAN 1266.42 884.45 649.22 354.98 118.94 15.63 0.18 0.69 57.12 363.75 789.49 1170.68 5702.52
S.D. 228.05 167.07 108.52 88.96 60.62 14.99 0.82 2.08 41.47 81.93 88.75 145.27 464.38
SKEW 0.46 0.78 -0.53 0.03 0.63 0.68 4.67 4.01 0.99 0.10 0.19 0.60 0.10
MAX 1864.50 1431.00 880.50 579.81 301.50 51.00 5.00 12.50 197.00 552.00 1003.00 1673.50 7064.50
MIN 803.00 298.50 236.00 152.00 18.50 0.00 0.00 0.00 0.00 184.00 598.00 895.00 4582.50
NO YRS 104 105 103 102 95 95 95 92 93 96 100 98 76