YUMA, COLORADO

Monthly Total Heating Degree Days

(059295)

Base Temperature = 65 F

File last updated on Jul 24, 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
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 47.50 419.00 951.50 1170.00 2588.00
1949 1543.50 985.00 874.00 584.00 268.00 39.50 0.00 8.00 100.00 481.50 591.50 1064.00 6539.00
1950 1228.50 794.50 878.00 535.50 331.00 37.50 5.50 6.20 a 154.50 291.00 857.00 998.72 a 6117.92
1951 1206.50 938.00 a 880.50 572.50 201.50 128.00 19.50 9.00 134.50 477.00 859.50 1236.00 6662.50
1952 1078.00 928.00 979.50 469.00 231.50 0.52 a 8.50 0.00 61.50 426.50 962.00 1228.50 6373.52
1953 919.00 917.00 b 682.00 635.00 314.00 12.00 0.00 2.00 57.50 326.00 763.00 1152.00 5779.50
1954 1101.50 615.00 942.00 325.00 280.00 39.50 1.50 0.00 48.50 470.50 692.59 a 1026.50 5542.59
1955 1299.00 1106.00 892.50 419.50 164.00 96.00 0.00 1.00 130.80 e 346.50 939.50 1078.50 6473.30
1956 1095.00 1128.50 796.18 a 567.00 132.00 0.00 a 0.00 25.00 58.50 301.00 943.00 1024.50 6070.68
1957 1356.50 774.00 909.00 630.00 296.50 52.00 0.00 0.00 c 113.50 h 437.00 860.00 876.00 6191.00
1958 1032.00 866.00 1094.00 590.00 119.50 32.00 1.00 1.00 88.00 370.97 a 778.00 1035.50 6007.97
1959 1173.00 1000.50 829.50 511.50 207.50 7.50 2.50 0.00 159.50 496.00 a 912.50 1076.50 6376.50
1960 170.50 z 1334.00 1041.50 450.50 271.50 69.00 7.50 18.00 127.50 b 305.50 697.50 1037.95 c 5360.45
1961 1048.50 763.00 742.50 541.00 341.00 c 0.00 v 0.00 0.00 179.00 334.28 a 868.89 c 1145.50 5963.67
1962 1275.50 826.50 826.48 c 366.00 65.00 48.50 0.00 2.50 77.50 263.50 633.50 922.50 5307.48
1963 1375.88 a 705.50 681.00 282.50 98.00 4.00 0.00 0.00 29.00 139.50 655.00 1135.50 5105.88
1964 910.00 989.00 881.50 440.50 165.00 37.50 0.00 10.50 71.00 290.88 a 679.50 926.79 b 5402.18
1965 842.00 901.00 1057.50 268.97 a 123.50 13.50 0.00 4.00 281.00 237.67 a 573.00 914.50 5216.63
1966 1242.50 1026.00 627.00 487.00 136.50 53.50 0.00 24.50 110.69 a 458.00 809.50 1074.50 6049.69
1967 921.00 813.00 672.70 a 430.34 a 176.00 k 47.68 b 0.00 17.50 74.46 b 210.50 i 0.00 z 704.00 n 2976.69
1968 1064.52 c 460.50 l 681.50 542.00 328.00 15.00 2.30 d 19.00 87.50 308.00 820.00 1208.50 5076.31
1969 1103.50 890.30 a 998.50 355.50 144.50 101.50 0.00 0.00 19.50 685.50 766.50 1021.97 a 6087.26
1970 1108.00 779.00 967.50 558.50 126.07 a 59.00 0.00 0.00 152.00 512.50 777.50 1003.00 6043.07
1971 1155.27 a 978.00 824.00 488.00 259.00 9.83 a 5.50 0.00 210.50 441.00 803.50 1075.50 6250.09
1972 1190.50 842.04 a 619.48 a 436.00 224.00 9.00 25.00 14.00 h 94.44 c 407.65 a 1057.50 0.00 z 4905.61
1973 1216.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1216.50
1974 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
1975 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
1976 0.00 z 0.00 z 0.00 z 258.00 p 0.00 z 36.67 c 0.00 10.33 a 117.32 b 540.36 b 883.00 989.42 a 2577.10
1977 1327.50 866.50 514.00 l 358.85 d 127.50 0.00 0.00 10.00 41.00 356.50 790.00 985.50 4863.35
1978 1382.50 1152.00 731.00 447.50 299.00 58.50 1.50 11.00 58.00 360.00 832.00 1291.50 6624.50
1979 1491.50 930.00 697.00 446.50 282.00 61.03 a 0.00 12.50 53.50 319.50 972.00 949.63 a 6215.17
1980 1232.50 0.00 z 903.50 576.72 a 230.00 10.00 0.00 5.68 a 49.50 448.47 a 762.00 831.00 5049.37
1981 972.00 873.50 802.00 292.50 289.50 17.00 0.00 4.00 g 28.97 a 382.50 643.45 a 964.74 b 5266.16
1982 1167.50 982.00 753.50 533.50 218.50 70.00 1.50 1.00 109.00 452.50 920.00 1034.50 6243.50
1983 1048.50 772.50 826.50 672.00 329.50 79.00 3.50 0.00 89.00 387.00 805.50 1558.50 6571.50
1984 1262.00 951.00 856.00 701.50 184.50 39.00 0.00 0.00 166.50 507.00 758.00 0.00 z 5425.50
1985 1233.00 1042.50 662.00 382.00 161.00 73.00 0.00 a 6.50 234.00 435.50 1024.00 1240.00 6493.50
1986 832.50 848.50 544.00 403.50 235.00 12.00 0.00 0.00 93.50 415.00 759.50 1057.00 5200.50
1987 1035.00 771.50 816.50 366.00 124.50 13.00 7.50 22.00 127.50 395.25 c 768.50 1122.00 5569.25
1988 1320.50 930.00 792.50 481.50 188.00 12.50 1.50 4.50 139.00 386.00 758.00 1015.00 6029.00
1989 985.00 1145.50 692.50 416.00 209.00 79.50 0.00 4.00 144.00 399.50 668.50 1220.50 5964.00
1990 1027.00 987.00 722.00 438.50 261.00 12.50 20.50 1.00 69.00 361.50 709.00 1273.00 5882.00
1991 1189.00 718.00 741.00 473.50 163.00 8.00 5.00 10.00 126.00 437.50 945.50 1078.50 5895.00
1992 1186.50 764.50 680.00 384.50 197.50 49.00 6.50 36.50 51.00 394.00 975.50 1378.00 6103.50
1993 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 11.50 211.00 489.50 976.50 1038.00 2726.50
1994 1099.00 1075.00 660.50 499.00 103.50 0.00 5.50 0.00 69.50 g 383.76 b 888.50 940.00 5654.76
1995 1097.50 792.50 804.00 642.93 a 461.56 d 75.00 13.00 6.00 159.50 480.50 712.50 1013.50 6258.49
1996 1236.50 795.50 f 901.30 d 466.00 273.50 13.00 6.50 2.00 139.50 427.00 895.50 1016.50 5377.30
1997 1220.50 935.50 696.50 665.00 214.50 13.50 1.00 13.50 89.48 a 417.00 864.50 1100.00 6230.98
1998 1028.50 820.00 715.00 g 559.50 128.00 93.00 3.00 2.00 26.00 429.00 675.52 a 1087.14 b 4851.66
1999 974.43 a 712.96 a 703.00 556.03 a 217.50 36.00 0.00 2.58 a 161.00 384.00 521.50 926.00 5195.01
2000 1012.50 785.32 d 671.84 b 429.50 150.50 35.00 0.00 0.00 146.54 d 355.98 a 1022.00 1191.50 5800.69
2001 1062.00 1024.50 797.50 440.17 a 235.60 a 42.00 0.00 0.00 88.50 408.88 b 679.50 1025.58 a 5804.24
2002 1040.00 895.50 929.50 375.00 232.00 10.50 0.00 a 0.00 132.00 610.50 782.50 923.00 5930.50
2003 958.50 1060.00 668.50 407.00 214.00 49.50 0.00 2.00 138.50 278.50 811.20 e 811.00 f 4587.70
2004 1052.50 1008.00 568.00 428.00 128.00 78.00 24.00 31.52 a 77.50 362.00 819.00 1026.50 5603.02
2005 1040.00 786.50 740.00 490.50 229.50 39.00 5.00 7.00 39.00 381.50 620.50 1080.50 5459.00
2006 821.50 945.50 768.00 365.56 c 164.00 4.66 a 0.00 k 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3069.21
Period of Record Statistics
MEAN 1128.72 909.52 794.25 475.18 213.06 38.35 3.48 6.82 106.80 400.24 805.47 1074.31 5959.98
S.D. 159.24 138.69 127.43 103.06 78.18 30.87 6.18 8.77 56.70 90.79 124.96 133.05 435.10
SKEW 0.31 0.50 0.35 0.18 0.55 0.73 2.28 1.57 0.73 0.22 -0.07 1.13 -0.36
MAX 1543.50 1334.00 1094.00 701.50 461.56 128.00 25.00 36.50 281.00 685.50 1057.50 1558.50 6662.50
MIN 821.50 615.00 544.00 268.97 65.00 0.00 0.00 0.00 19.50 139.50 521.50 831.00 5105.88
NO YRS 53 50 51 53 52 53 53 53 53 54 54 51 38