A S R RESEARCH LAB, UTAH

Monthly Total Heating Degree Days

(420302)

Base Temperature = 65 F

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 196604
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
1950 995.50 f 842.69 b 784.00 520.34 a 395.77 a 105.52 a 14.47 a 2.07 a 155.89 b 293.50 730.34 a 896.86 b 4741.45
1951 1125.82 a 840.00 c 912.36 b 444.11 b 282.88 c 126.11 c 5.00 0.00 e 89.00 n 448.90 e 659.00 g 1263.80 c 5448.98
1952 1226.00 1102.00 1007.00 456.92 d 196.00 64.50 8.27 a 4.50 73.97 a 308.50 901.55 a 1067.50 6416.71
1953 835.50 828.07 a 686.50 572.50 424.00 92.50 0.00 0.50 59.50 375.00 605.00 1131.50 5610.57
1954 1024.00 833.00 827.00 418.39 b 183.00 f 138.50 7.00 19.00 122.68 b 442.78 a 672.78 c 1139.50 5644.63
1955 1396.50 1219.00 910.50 621.00 264.50 111.50 10.85 a 0.50 143.50 390.00 901.00 876.02 b 6844.87
1956 917.60 a 1216.26 d 580.50 f 468.00 e 191.68 a 46.50 2.07 a 22.00 94.00 413.52 c 726.00 g 647.50 l 3371.63
1957 884.00 i 569.50 g 434.50 l 379.50 h 155.50 j 42.50 k 0.00 j 1.00 l 70.50 l 331.00 g 610.00 j 692.50 k 0.00
1958 723.00 k 454.50 i 504.00 k 429.00 h 114.00 k 21.00 j 2.00 k 0.00 k 79.50 k 296.00 h 463.00 l 512.50 n 0.00
1959 574.50 m 526.00 k 503.50 j 311.00 i 212.50 k 48.00 h 13.00 h 2.00 k 149.50 k 369.50 g 527.00 j 705.00 l 0.00
1960 739.00 l 666.00 j 543.00 k 292.50 j 205.00 l 35.50 h 0.00 i 41.50 h 31.00 h 255.00 k 501.50 j 698.00 l 0.00
1961 774.50 j 526.50 i 739.41 d 515.40 e 260.52 e 25.56 c 0.00 f 0.00 e 218.40 e 364.50 g 698.50 g 776.50 j 1759.28
1962 992.00 h 660.50 i 682.50 g 407.88 d 280.79 e 115.96 d 3.50 h 39.61 d 28.50 h 352.92 e 506.50 h 735.00 j 1197.17
1963 1387.25 e 717.65 e 785.69 b 606.72 a 140.50 f 120.58 d 3.00 f 0.00 l 42.00 f 232.50 e 587.50 f 873.00 i 3850.39
1964 1072.50 f 1180.30 d 1033.33 d 543.89 c 261.00 f 105.50 g 0.00 i 34.50 i 111.50 i 224.00 k 515.00 k 610.50 k 2757.52
1965 678.00 k 604.50 j 643.50 i 409.50 347.00 86.50 1.55 a 27.00 251.00 361.50 572.50 1064.50 3121.05
1966 1065.00 952.50 531.50 507.22 c 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3056.22
Period of Record Statistics
MEAN 1122.21 973.15 821.73 499.38 293.68 93.97 6.15 11.52 139.87 361.91 730.53 1062.81 6290.72
S.D. 204.68 188.62 151.75 72.60 80.95 35.37 4.98 14.30 67.60 68.39 143.09 137.51 626.72
SKEW 0.13 0.23 -0.35 0.28 0.34 -0.70 0.36 0.82 0.47 -0.47 0.29 -0.15 -0.35
MAX 1396.50 1219.00 1033.33 621.00 424.00 138.50 14.47 39.61 251.00 448.90 901.55 1263.80 6844.87
MIN 835.50 717.65 531.50 407.88 191.68 25.56 0.00 0.00 59.50 232.50 572.50 876.02 5610.57
NO YRS 8 10 10 13 9 11 8 10 8 10 6 7 3