GRAND JUNCTION WALKER FLD, COLORADO

Monthly Total Heating Degree Days

(053488)

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
1900 986.00 810.00 533.00 407.50 94.50 0.00 0.00 2.50 123.00 323.00 677.50 1049.50 5006.50
1901 1137.00 797.50 734.50 401.00 93.00 31.00 0.00 0.00 45.50 261.50 665.00 1083.00 5249.00
1902 1082.50 860.00 799.50 317.00 122.00 11.00 6.50 0.00 75.00 311.00 753.50 1265.50 5603.50
1903 1278.50 1392.00 723.00 397.00 189.00 7.00 4.00 0.00 129.50 326.50 741.00 1159.00 6346.50
1904 1226.50 792.00 624.00 310.00 136.50 35.50 0.00 0.00 28.50 363.00 763.50 1128.00 5407.50
1905 1271.00 989.00 583.00 362.00 239.50 1.00 0.00 0.00 44.50 495.50 689.00 1214.00 5888.50
1906 1200.00 720.50 704.50 385.50 169.00 35.50 0.00 0.00 76.00 409.00 751.00 887.00 5338.00
1907 931.50 603.00 563.00 342.00 290.00 39.00 0.00 1.00 39.50 213.50 746.50 1040.50 4809.50
1908 1192.00 946.00 631.50 332.50 267.50 44.50 0.00 2.00 86.50 502.50 791.50 1279.00 6075.50
1909 1079.50 853.50 672.00 499.50 216.00 5.50 0.00 0.00 68.00 311.00 726.00 1484.50 5915.50
1910 1308.50 951.00 427.50 306.50 151.00 1.50 0.00 0.00 13.50 376.00 597.50 1084.00 5217.00
1911 1038.00 807.00 551.00 370.00 123.00 4.50 0.00 0.00 20.00 482.00 865.50 1221.50 5482.50
1912 1272.50 874.00 712.50 507.00 212.50 27.00 8.00 0.00 192.50 448.00 759.00 1351.00 6364.00
1913 1522.00 960.50 752.50 336.50 109.50 20.50 0.00 0.00 113.50 461.00 647.00 1239.00 6162.00
1914 1265.00 900.00 644.00 328.50 114.00 49.00 0.00 1.00 61.00 352.00 683.50 1204.00 5602.00
1915 1387.00 848.00 676.50 257.00 241.50 68.00 0.00 0.00 82.00 332.00 772.50 1079.00 5743.50
1916 1317.00 959.50 593.50 371.00 220.50 12.00 0.00 0.00 62.50 434.00 875.50 1243.50 6089.00
1917 1576.00 1091.00 895.00 530.50 309.00 39.00 0.00 0.00 61.50 381.50 611.50 963.50 6458.50
1918 1296.50 934.50 536.00 486.50 133.00 6.00 0.00 0.00 44.50 267.00 860.00 1184.50 5748.50
1919 1406.50 908.00 694.00 321.50 96.00 33.50 0.00 0.00 28.00 513.50 839.00 1530.00 6370.00
1920 1452.50 901.00 775.00 581.00 118.50 7.00 0.00 3.50 87.50 405.00 757.00 1202.50 6290.50
1921 1052.00 750.00 583.00 482.00 144.50 18.50 13.50 2.50 30.50 224.50 676.00 889.00 4866.00
1922 1180.50 941.00 743.00 510.50 158.50 7.00 0.00 0.00 2.50 325.50 768.00 956.50 5593.00
1923 977.00 853.00 838.50 417.50 121.50 13.00 0.00 0.00 114.50 466.00 716.50 1085.50 5603.00
1924 1480.50 774.50 825.00 413.00 143.00 14.50 0.00 1.00 122.00 384.50 750.50 1363.50 6272.00
1925 1599.00 861.50 607.50 288.00 39.00 55.00 0.00 6.50 54.00 407.50 793.50 1022.50 5734.00
1926 1132.50 753.50 652.00 265.50 117.00 0.00 0.00 0.00 54.00 303.50 703.50 1133.50 5115.00
1927 1108.00 807.00 714.50 364.50 152.50 17.00 0.00 0.00 91.50 315.00 678.00 1212.50 5460.50
1928 1068.00 824.00 590.50 447.00 113.00 41.00 0.00 1.50 22.00 312.50 747.00 1277.00 5443.50
1929 1410.50 1168.00 728.00 475.50 181.00 17.00 0.00 0.00 64.00 339.00 901.50 1051.00 6335.50
1930 1421.00 934.50 690.50 214.50 239.00 13.00 0.00 0.00 72.00 383.00 814.50 1206.00 5988.00
1931 1159.50 722.50 767.00 340.50 180.50 0.00 0.00 0.00 41.00 272.50 854.50 1370.50 5708.50
1932 1340.50 804.50 748.50 365.00 88.50 52.00 0.00 10.00 27.00 406.00 772.00 1323.50 5937.50
1933 1387.50 1357.00 670.00 509.50 264.50 0.00 0.00 0.00 0.00 202.00 705.50 1003.00 6099.00
1934 944.00 624.50 458.00 207.50 49.00 13.00 0.00 0.00 80.50 230.00 655.00 985.50 4247.00
1935 961.00 761.00 704.50 394.50 202.00 7.00 0.00 0.00 52.00 328.50 785.00 1064.50 5260.00
1936 1166.00 821.50 624.00 295.50 76.50 35.50 4.50 0.00 71.00 311.50 779.00 1062.50 5247.50
1937 1548.00 976.50 648.50 428.00 47.50 42.00 0.50 0.00 43.00 271.00 629.50 980.50 5615.00
1938 1010.50 749.00 682.50 361.00 198.50 1.50 0.00 0.00 12.00 281.00 950.00 1109.00 5355.00
1939 1166.00 1184.00 691.00 285.00 51.00 17.50 0.00 0.00 26.50 345.00 623.50 931.50 5321.00
1940 1130.50 786.50 548.00 323.00 26.50 3.00 0.00 0.00 39.00 277.00 812.00 1054.00 4999.50
1941 1021.50 742.50 647.00 475.50 102.50 50.50 0.00 0.00 123.50 385.50 722.00 934.50 5205.00
1942 1133.00 1021.00 799.00 323.50 187.50 5.00 0.00 0.00 39.50 309.00 678.00 939.00 5434.50
1943 1014.50 734.00 690.00 165.00 167.00 51.50 0.00 4.50 1.00 266.00 710.50 967.00 4771.00
1944 1217.50 875.50 764.50 510.50 126.50 30.50 0.00 0.00 6.00 208.00 705.00 1017.50 5461.50
1945 1023.00 735.50 709.00 516.50 84.50 61.50 0.00 0.00 93.50 280.50 793.00 1224.50 5521.50
1946 1205.00 880.00 617.00 229.50 181.50 7.50 0.00 0.00 62.50 477.00 812.50 1001.50 5474.00
1947 1331.50 814.00 647.50 422.50 79.50 72.00 0.00 0.00 27.00 283.50 914.50 1129.50 5721.50
1948 1226.00 1010.00 916.00 365.50 119.00 30.00 0.00 0.00 18.00 333.00 975.50 1140.00 6133.00
1949 1429.50 1251.50 686.00 332.50 140.50 41.00 0.00 0.00 30.50 435.50 619.50 1105.00 6071.50
1950 1298.50 859.50 736.00 372.00 200.50 34.00 0.00 0.50 71.50 135.00 704.00 918.50 5330.00
1951 1230.00 961.00 743.00 399.50 155.00 51.00 0.00 0.00 38.00 393.00 866.50 1303.50 6140.50
1952 1180.50 975.00 886.00 356.50 113.50 4.50 0.00 0.00 15.50 237.00 876.00 1148.50 5793.00
1953 976.00 894.00 680.50 473.50 283.50 8.50 0.00 1.00 3.50 325.50 674.50 1174.50 5495.00
1954 1002.00 679.50 774.00 255.00 99.50 42.00 0.00 0.00 38.00 319.00 674.00 1205.00 5088.00
1955 1273.00 1219.00 823.00 484.00 167.50 43.50 0.00 0.00 34.00 286.50 896.00 905.00 6131.50
1956 876.50 989.00 704.00 380.00 74.00 0.00 0.00 0.00 8.50 286.50 921.50 1244.50 5484.50
1957 1242.00 952.00 677.50 483.50 258.00 46.50 0.00 12.50 59.50 346.50 861.00 1039.50 5978.50
1958 1092.50 702.00 769.00 473.00 86.00 0.00 0.00 0.00 64.00 286.00 733.00 911.50 5117.00
1959 1105.00 820.50 736.00 376.00 110.00 0.00 0.00 0.00 144.50 392.00 809.50 1015.50 5509.00
1960 1190.50 1034.00 703.50 366.00 160.50 0.00 0.00 4.50 19.00 345.50 704.50 1085.00 5613.00
1961 1106.00 781.00 701.50 442.50 129.50 2.50 0.00 0.00 202.50 375.50 815.50 1298.50 5855.00
1962 1304.50 760.00 826.50 292.00 153.50 19.50 0.00 0.00 41.50 262.50 626.50 1106.50 5393.00
1963 1639.00 740.50 717.00 417.00 34.00 3.50 0.00 2.50 4.50 148.00 630.50 1174.00 5510.50
1964 1226.50 1031.00 868.50 443.50 172.50 18.50 0.00 2.50 41.50 225.00 808.50 1075.00 5913.00
1965 1013.00 901.00 763.50 343.00 162.00 8.00 0.00 0.00 140.50 217.50 502.00 967.50 5018.00
1966 1256.00 964.50 588.50 344.50 62.00 4.00 0.00 2.00 17.50 264.50 634.50 1100.50 5238.50
1967 1276.00 802.50 513.00 402.50 217.00 23.50 0.00 0.00 30.50 326.00 722.00 1448.50 5761.50
1968 1538.00 813.00 658.00 562.00 222.50 24.50 0.00 14.00 89.00 352.00 810.50 1310.50 6394.00
1969 1132.50 880.50 835.00 340.50 54.50 37.50 0.00 0.50 20.50 548.50 774.50 1003.00 5627.50
1970 1106.50 675.00 781.00 573.50 118.50 41.00 0.00 0.00 98.00 503.50 720.00 1027.50 5644.50
1971 1157.50 867.00 742.00 384.50 188.50 4.50 0.00 0.00 137.50 397.50 799.50 1212.00 5890.50
1972 1085.50 823.00 572.00 352.00 143.00 0.00 0.00 0.00 33.00 344.50 838.50 1311.50 5503.00
1973 1657.50 1007.00 710.50 507.00 142.00 53.00 0.00 0.00 75.00 273.00 714.00 1080.50 6219.50
1974 1493.50 1264.50 520.50 422.00 70.50 33.50 0.00 0.00 63.00 274.50 764.00 1174.00 6080.00
1975 1394.50 897.00 746.00 559.50 255.50 54.00 0.00 0.00 38.00 367.00 864.00 1167.00 6342.50
1976 1342.00 778.00 816.00 394.00 128.00 27.50 0.00 0.00 44.00 429.00 777.00 1162.00 5897.50
1977 1273.50 783.00 750.00 257.00 98.50 0.00 0.00 1.50 19.50 221.50 743.00 982.50 5130.00
1978 1104.50 859.00 569.00 381.00 216.00 9.50 0.00 7.50 98.00 320.00 745.00 1519.50 5829.00
1979 1501.00 1163.50 740.50 383.00 196.50 38.50 0.00 3.50 0.00 214.50 954.00 1184.00 6379.00
1980 1004.50 747.50 747.00 410.50 199.00 4.00 0.00 2.00 22.00 366.00 680.50 773.00 4956.00
1981 873.00 759.50 653.00 255.00 157.50 16.00 0.00 0.00 13.50 444.00 703.50 1045.50 4920.50
1982 1211.50 849.00 589.50 411.50 141.50 6.50 2.00 0.00 64.50 405.50 714.50 991.00 5387.00
1983 954.00 674.50 591.50 490.50 242.50 22.50 0.00 0.00 27.00 215.00 687.00 1072.50 4977.00
1984 1375.50 967.50 639.50 480.00 92.00 45.50 0.00 0.00 56.00 458.50 726.50 1004.50 5845.50
1985 1052.00 925.50 653.50 318.00 85.50 13.50 0.00 0.50 143.00 378.00 785.00 1027.50 5382.00
1986 957.00 690.50 495.50 375.00 173.50 3.50 0.00 0.50 133.00 420.00 725.50 1010.00 4984.00
1987 1165.00 791.50 774.00 319.00 147.00 0.50 0.00 7.00 37.00 252.00 761.00 1152.00 5406.00
1988 1476.50 1038.00 746.00 358.00 178.00 8.00 0.00 0.00 110.00 193.00 731.00 1086.00 5924.50
1989 1388.00 1045.00 541.50 264.00 116.50 9.00 0.00 0.00 41.00 324.00 732.50 1111.00 5572.50
1990 1131.50 828.00 565.50 279.00 146.00 21.00 0.00 0.00 30.00 369.00 766.50 1377.00 5513.50
1991 1471.50 925.00 714.00 486.00 140.50 18.50 0.00 2.00 39.00 312.00 821.00 1203.00 6132.50
1992 1398.50 795.50 551.00 199.50 56.50 10.00 0.00 7.00 27.00 229.50 874.50 1255.50 5404.50
1993 1027.50 806.00 603.50 451.50 148.00 35.00 4.50 0.00 60.00 416.00 883.00 1109.00 5544.00
1994 1031.50 862.00 548.50 367.50 67.50 0.00 0.00 0.00 25.00 374.50 838.50 990.50 5105.50
1995 971.50 605.50 584.50 432.50 261.00 50.00 9.00 0.00 76.50 364.50 642.00 920.50 4917.50
1996 1082.50 719.50 625.00 422.50 90.50 3.00 0.00 0.00 140.00 428.00 755.00 1063.00 5329.00
1997 1065.00 862.50 621.00 555.00 127.50 5.00 0.00 0.00 45.00 420.00 803.50 1142.50 5647.00
1998 978.50 819.50 719.00 486.00 141.50 59.00 0.00 0.00 10.00 362.50 726.50 1223.50 5526.00
1999 994.50 774.00 511.00 517.00 223.00 33.50 0.00 0.00 89.50 340.00 661.50 1075.50 5219.50
2000 1000.00 740.50 671.00 263.50 104.00 1.50 0.00 0.00 59.50 346.00 967.50 1060.00 5213.50
2001 1147.50 807.50 612.00 340.00 108.50 31.50 0.00 0.00 24.00 322.50 641.00 1138.50 5173.00
2002 1151.50 963.00 774.50 266.50 153.00 7.00 0.00 1.50 58.50 434.00 821.00 1015.00 5645.50
2003 922.00 842.50 638.50 364.00 167.50 1.50 0.00 0.00 70.00 239.50 852.00 1048.00 5145.50
2004 1344.00 1019.00 470.00 356.50 106.00 8.50 0.00 0.00 114.50 359.50 796.50 1143.00 5717.50
2005 870.50 754.50 700.50 404.50 161.50 61.50 0.00 0.00 32.50 326.50 720.00 1099.50 5131.50
2006 1018.00 849.00 712.50 314.50 89.00 0.00 0.00 2.00 169.00 460.50 750.00 1145.00 5509.50
2007 1314.00 794.50 574.50 360.50 143.50 20.50 0.00 0.00 80.50 379.00 706.50 1238.50 5612.00
2008 1348.50 957.50 731.50 496.00 221.50 46.50 0.00 0.00 27.00 360.00 712.50 1208.00 6109.00
2009 1250.00 743.50 633.00 432.00 69.50 5.00 0.00 0.00 58.50 486.00 715.00 1468.50 5861.00
2010 1375.50 1027.50 700.00 399.50 225.50 14.50 0.00 0.00 13.50 295.50 778.50 910.50 5740.50
2011 1276.50 966.50 621.00 463.00 245.00 9.00 0.00 0.00 10.50 373.00 755.50 1124.00 5844.00
2012 1034.00 845.00 523.00 307.00 53.00 2.50 0.00 0.00 40.50 349.50 660.50 1151.50 4966.50
2013 1559.00 922.00 650.00 19.50 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 3131.00
Period of Record Statistics
MEAN 1204.95 877.29 675.03 387.12 147.63 21.25 0.46 0.98 57.88 341.17 756.44 1124.52 5591.42
S.D. 187.07 146.22 98.37 89.12 62.83 19.29 1.90 2.43 42.78 83.42 86.94 143.71 437.07
SKEW 0.37 1.07 -0.05 0.01 0.35 0.68 4.75 3.38 1.09 0.05 0.24 0.54 -0.06
MAX 1657.50 1392.00 916.00 581.00 309.00 72.00 13.50 14.00 202.50 548.50 975.50 1530.00 6458.50
MIN 870.50 603.00 427.50 165.00 26.50 0.00 0.00 0.00 0.00 135.00 502.00 773.00 4247.00
NO YRS 114 114 114 113 113 113 113 113 113 113 113 113 113