CANYONLANDS THE NEEDLE, UTAH

Monthly Total Heating Degree Days

(421168)

Base Temperature = 65 F

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 200603
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
1965 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2.00 r 0.00 0.00 130.34 a 317.50 582.00 1004.18 c 2034.02
1966 1192.00 1009.50 641.00 368.00 78.00 8.00 0.00 1.50 26.50 370.00 617.00 1073.00 5384.50
1967 1255.50 759.00 503.50 438.00 213.50 36.50 0.00 0.00 27.50 286.00 676.50 1258.50 5454.50
1968 1329.50 766.50 639.50 495.00 170.50 17.00 0.00 9.50 80.00 308.97 a 760.50 1219.00 5795.97
1969 977.50 842.50 814.50 350.50 65.44 d 21.50 0.00 0.00 17.50 503.00 801.50 977.57 b 5371.51
1970 1061.50 726.00 739.35 a 519.00 118.00 29.00 0.00 a 0.00 d 99.50 466.03 a 675.00 b 1006.50 5439.88
1971 1091.00 857.50 698.03 b 399.11 b 157.14 b 8.00 0.00 a 0.00 a 125.19 d 405.07 a 838.50 1208.43 d 5787.96
1972 569.50 m 785.07 a 513.22 d 229.50 h 109.57 b 0.00 d 0.00 a 0.00 g 26.38 a 359.00 817.50 1227.60 a 3838.34
1973 1582.07 b 976.50 730.64 b 501.60 e 0.00 z 37.76 a 0.00 0.00 c 67.50 288.19 d 654.31 a 804.50 f 4838.56
1974 1328.98 d 1033.85 b 494.97 a 444.00 e 62.53 b 1.00 n 0.00 s 0.00 c 57.93 a 287.04 d 732.50 929.50 f 4441.80
1975 844.00 i 866.96 a 715.14 b 558.62 a 266.71 b 59.44 c 0.00 b 0.00 f 61.50 393.70 a 819.50 1130.97 b 4872.54
1976 1305.00 764.00 802.38 a 405.00 151.38 a 26.79 b 0.00 a 0.00 63.50 466.50 755.50 1194.50 5934.55
1977 1217.50 833.26 a 819.00 342.41 a 133.09 b 0.00 0.00 0.00 11.00 237.00 f 715.18 b 872.50 4943.94
1978 1028.00 800.50 553.35 a 322.50 d 168.36 b 6.00 0.00 0.00 72.50 218.07 b 688.97 a 1351.00 5209.25
1979 1349.00 1070.00 557.00 f 377.00 158.00 42.50 0.00 0.53 b 10.00 259.76 b 963.62 a 1174.90 a 5405.31
1980 903.28 b 655.19 b 667.07 d 447.00 232.50 c 7.50 0.00 a 3.21 b 56.90 a 427.28 a 729.00 877.50 5006.42
1981 973.50 791.78 a 720.00 271.50 167.50 15.50 0.00 1.00 12.50 386.50 659.00 970.00 4968.78
1982 1087.00 876.00 653.00 445.00 154.50 19.50 3.50 0.00 54.00 490.00 808.50 1056.50 5647.50
1983 1070.50 734.50 648.00 544.00 225.50 32.50 0.00 0.00 38.00 325.00 703.00 1015.50 5336.50
1984 1307.50 977.50 690.50 517.50 96.00 45.50 0.00 0.00 46.00 475.50 755.00 1050.50 5961.50
1985 1130.00 983.00 675.00 332.50 98.00 14.50 0.00 0.00 114.00 363.50 690.50 1031.00 5432.00
1986 989.00 685.00 527.50 367.50 165.00 3.50 0.00 0.00 109.50 467.00 731.00 1049.50 5094.50
1987 1209.00 804.50 747.50 332.07 a 130.50 0.00 z 0.00 b 2.58 a 51.50 288.50 759.00 1105.00 5430.15
1988 1322.00 902.00 755.50 444.50 207.50 19.00 0.00 0.00 131.00 235.50 689.00 1161.50 5867.50
1989 1395.50 974.00 536.00 280.00 145.50 31.00 0.00 0.00 59.50 363.00 744.50 1125.00 5654.00
1990 1216.50 812.00 551.00 342.00 169.00 23.00 0.00 0.00 39.00 394.50 780.50 1323.00 5650.50
1991 1362.50 0.00 z 0.00 z 493.50 210.50 37.00 4.50 0.50 59.00 0.00 z 825.00 1159.50 4152.00
1992 1219.00 702.00 485.31 b 149.00 28.00 1.00 0.00 0.00 30.00 138.00 730.50 1023.00 4505.81
1993 893.50 710.50 490.12 b 310.00 174.00 38.00 4.00 0.00 73.00 436.50 931.00 1127.50 5188.12
1994 1070.00 902.00 646.00 389.00 121.00 1.00 0.00 0.00 50.00 391.50 841.00 1027.50 5439.00
1995 1037.50 668.50 579.50 451.50 269.50 61.50 5.50 0.00 58.00 313.50 573.50 867.50 4886.00
1996 957.00 700.50 594.50 354.00 54.85 e 0.00 0.00 0.00 105.50 359.50 673.50 939.00 4738.35
1997 996.50 807.00 510.00 475.00 94.50 1.00 0.00 0.00 20.00 342.50 694.50 1054.00 4995.00
1998 881.50 754.00 659.50 448.50 110.00 36.00 0.00 0.00 6.50 357.50 694.00 1106.50 5054.00
1999 916.00 739.00 509.50 505.00 200.00 27.00 0.00 0.00 a 49.14 a 299.00 628.50 1052.00 4925.14
2000 926.50 715.16 a 687.00 270.00 91.00 0.00 0.00 0.00 48.50 294.00 900.50 989.00 4921.66
2001 1082.00 765.50 598.50 344.50 104.00 15.00 d 0.00 0.00 16.50 259.88 a 607.50 1093.50 4886.88
2002 1096.00 907.00 702.50 246.50 129.50 2.50 0.00 0.00 42.00 407.00 752.00 1004.00 5289.00
2003 900.00 798.00 652.50 366.50 181.00 0.00 0.00 0.00 44.50 172.00 724.00 811.50 f 3838.50
2004 1175.00 891.50 449.50 341.00 92.00 4.00 0.00 0.00 88.00 310.50 704.50 1011.50 5067.50
2005 813.00 729.00 626.00 392.50 134.00 37.00 0.00 0.00 27.50 310.00 675.50 1050.00 4794.50
2006 998.00 839.00 733.31 b 333.50 82.84 b 3.10 a 0.00 l 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2989.76
Period of Record Statistics
MEAN 1119.11 822.88 634.86 392.86 143.01 19.69 0.44 0.48 56.27 347.09 734.21 1078.11 5280.27
S.D. 176.34 107.20 100.69 89.87 57.25 17.45 1.35 1.64 34.27 85.77 87.48 114.40 382.58
SKEW 0.42 0.56 -0.05 -0.24 0.28 0.59 2.82 4.62 0.66 -0.20 0.56 0.35 0.11
MAX 1582.07 1070.00 819.00 558.62 269.50 61.50 5.50 9.50 131.00 503.00 963.62 1351.00 5961.50
MIN 813.00 655.19 449.50 149.00 28.00 0.00 0.00 0.00 6.50 138.00 573.50 867.50 4505.81
NO YRS 39 40 39 40 40 39 40 39 41 39 41 38 31