SUNNYSIDE, UTAH

Monthly Total Heating Degree Days

(428474)

Base Temperature = 65 F

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 198807
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
1958 0.00 z 0.00 z 0.00 z 0.00 z 192.00 31.00 1.00 f 4.50 l 111.50 j 188.50 l 554.50 j 549.00 m 223.00
1959 596.50 o 688.50 h 694.00 h 311.50 m 379.15 e 18.60 e 7.20 c 7.46 d 238.89 c 193.00 r 838.85 d 885.00 f 1490.15
1960 1336.32 c 938.00 f 832.57 c 597.22 c 358.10 b 21.00 e 0.00 c 33.87 d 66.35 d 407.98 c 830.56 c 1130.39 c 5614.37
1961 1077.54 d 896.00 a 925.50 613.50 328.08 a 0.00 z 0.00 a 16.07 d 351.50 483.00 967.00 1313.88 a 6972.08
1962 1229.50 887.92 b 0.00 z 519.50 349.00 100.34 a 0.00 2.58 a 155.50 461.00 720.00 1179.00 5604.35
1963 1404.50 817.19 a 893.32 a 508.00 j 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3115.00
1964 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
1965 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
1966 0.00 z 0.00 z 0.00 z 149.00 u 212.00 65.50 3.62 a 0.50 64.50 468.00 690.50 1134.00 2638.62
1967 1265.50 934.50 805.47 b 669.50 401.00 216.00 1.50 0.00 a 99.00 380.50 745.50 1373.50 6891.97
1968 1281.50 946.00 858.70 a 791.50 408.00 89.50 14.50 107.50 203.00 425.50 842.50 1345.00 7313.20
1969 1230.50 1079.00 1074.00 622.00 211.00 87.00 3.00 3.50 130.00 632.50 874.50 1050.50 6997.50
1970 1161.00 722.00 940.50 909.00 380.50 221.00 4.00 4.00 202.00 769.00 916.50 1189.00 7418.50
1971 1141.12 b 866.50 978.50 478.50 553.57 c 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 681.50 i 1190.50 5208.69
1972 0.00 z 0.00 z 0.00 z 0.00 z 135.50 m 32.00 g 3.00 n 23.00 l 177.00 j 388.00 j 191.00 x 0.00 z 0.00
1973 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 134.00 m 17.00 n 10.00 h 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1974 0.00 z 0.00 z 286.00 t 514.50 i 206.00 k 33.50 l 2.00 o 23.00 f 211.80 e 447.95 a 910.38 d 1306.17 e 2876.31
1975 1365.55 a 1142.00 1048.00 876.50 577.00 257.00 7.00 40.50 172.00 598.96 c 972.50 1205.50 8262.51
1976 1310.55 b 980.00 1058.00 690.00 349.50 129.50 h 43.00 k 23.50 161.11 c 582.50 812.50 1174.00 7141.66
1977 1306.00 916.46 b 1071.50 533.50 480.00 14.40 e 12.00 28.50 208.50 494.40 b 894.00 1117.00 7076.26
1978 1237.00 1105.50 860.50 673.89 c 510.00 130.50 11.50 63.50 251.50 416.00 904.50 1459.00 7623.39
1979 1599.37 d 1219.83 e 1062.00 695.50 412.50 143.00 3.10 a 98.50 198.00 580.50 1157.00 1217.27 a 8386.56
1980 1274.21 b 1065.00 1121.00 723.00 543.00 136.50 9.00 69.50 210.00 556.00 850.50 918.00 7475.71
1981 997.50 969.00 968.50 573.50 463.00 101.50 1.00 51.50 157.50 663.50 826.00 1187.00 6959.50
1982 1396.50 1138.50 991.00 788.00 473.50 188.00 40.00 29.50 251.50 734.50 1046.50 1278.00 8355.50
1983 1196.50 1025.00 957.50 862.00 544.50 188.00 46.50 6.50 140.50 524.50 968.50 1344.00 7804.00
1984 1347.50 1177.00 1023.50 792.50 337.00 249.00 17.00 34.50 260.50 801.50 972.00 1301.00 8313.00
1985 1313.50 1239.00 1014.50 573.50 376.00 120.50 22.50 25.50 355.50 582.00 1035.50 1191.50 7849.50
1986 1131.50 959.00 826.50 733.50 466.00 76.50 41.50 12.50 326.00 631.50 935.50 1168.00 7308.00
1987 1334.00 1008.50 1037.00 570.00 388.50 62.59 a 48.00 58.00 169.00 425.50 920.00 1303.00 7324.09
1988 1420.50 1065.00 1036.00 644.50 420.50 72.50 0.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4659.50
Period of Record Statistics
MEAN 1276.42 1007.22 972.00 678.66 404.54 117.72 13.34 32.61 199.31 548.49 897.01 1220.66 7584.95
S.D. 128.20 132.85 92.62 120.43 104.18 74.70 16.02 30.97 78.54 121.13 107.80 117.00 521.44
SKEW 0.10 -0.09 -0.36 0.30 -0.34 0.42 1.22 1.01 0.32 0.55 0.21 -0.35 0.35
MAX 1599.37 1239.00 1121.00 909.00 577.00 257.00 48.00 107.50 355.50 801.50 1157.00 1459.00 8386.56
MIN 997.50 722.00 805.47 478.50 192.00 14.40 0.00 0.00 64.50 380.50 690.50 918.00 6891.97
NO YRS 23 22 22 22 25 22 22 22 23 22 23 23 16