WILLOW SPRINGS RCH, ARIZONA

Monthly Total Heating Degree Days

(029382)

Base Temperature = 65 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 197812
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
1943 0.00 z 0.00 z 328.50 65.69 a 3.00 0.00 0.00 0.00 0.00 55.50 0.00 z 0.00 z 452.69
1944 563.00 488.00 394.50 184.50 25.00 0.50 0.00 0.00 0.00 21.50 382.00 506.50 2565.50
1945 639.00 425.50 489.00 289.14 a 24.50 0.00 0.00 0.00 z 19.00 0.00 z 0.00 z 583.00 2469.14
1946 681.50 520.50 344.00 86.00 0.00 z 0.00 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 1632.00
1947 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
1948 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
1949 0.00 z 0.00 z 0.00 z 43.80 e 7.75 a 1.00 0.00 h 0.00 z 0.00 193.50 240.00 a 0.00 z 486.05
1950 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 0.00 141.00 312.50 453.50
1951 567.00 446.00 393.00 238.85 d 69.50 0.00 a 0.00 0.00 a 0.00 56.83 a 386.50 0.00 z 2157.68
1952 0.00 z 0.00 z 0.00 z 21.50 z 19.12 a 0.00 j 0.00 o 0.00 0.00 3.50 482.00 691.00 1195.62
1953 541.50 558.00 360.00 188.00 119.00 0.00 0.00 0.00 0.00 110.00 284.00 708.00 2868.50
1954 570.00 331.00 422.50 71.00 28.00 1.00 0.00 0.00 0.00 56.50 225.50 503.50 2209.00
1955 726.50 593.00 366.00 205.00 62.00 9.00 0.00 0.00 0.00 9.00 330.00 448.00 2748.50
1956 402.00 652.00 308.00 206.00 25.50 0.00 0.00 0.00 0.00 92.50 424.50 574.50 2685.00
1957 564.00 292.50 371.00 199.50 124.00 d 0.00 0.00 0.00 0.00 168.00 514.00 506.50 2739.50
1958 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
1959 490.50 519.00 332.00 74.50 40.50 0.00 0.00 0.00 k 0.00 79.50 265.00 k 582.80 a 2118.80
1960 775.00 666.00 274.00 117.00 34.00 0.00 0.00 e 0.00 h 0.00 b 95.30 d 252.00 g 491.50 f 1961.30
1961 531.81 b 451.50 d 267.50 i 133.00 47.10 e 0.00 0.00 0.00 0.00 63.66 c 329.50 j 587.40 b 1814.46
1962 664.90 b 418.50 525.00 74.00 73.50 3.00 0.00 0.00 b 4.50 64.50 231.43 b 525.00 2584.32
1963 711.00 350.50 411.50 232.76 a 7.23 a 0.00 a 0.00 a 0.00 0.00 a 32.00 345.00 558.00 2647.99
1964 722.00 657.68 a 559.50 260.00 95.07 a 0.00 a 0.00 0.00 15.50 53.00 494.50 593.00 3450.25
1965 590.50 577.50 521.00 258.50 128.50 2.00 0.00 0.00 28.00 66.50 263.00 640.00 3075.50
1966 802.50 746.00 442.50 194.00 f 26.00 0.00 0.00 0.00 4.00 56.00 280.00 585.38 a 2942.38
1967 141.00 v 452.00 335.32 a 243.50 g 104.62 c 4.14 a 0.00 a 0.00 a 3.10 a 94.55 a 179.50 t 782.50 1776.23
1968 701.00 448.50 508.73 c 265.00 i 82.00 19.00 0.00 5.00 78.00 128.81 b 513.10 a 816.50 3300.65
1969 622.50 689.50 620.00 b 293.04 b 104.07 c 7.00 0.00 a 0.00 0.00 89.50 332.50 516.00 3274.11
1970 590.60 b 365.50 448.93 d 274.00 17.57 a 9.64 b 0.00 0.00 67.24 a 322.00 349.50 587.50 3032.48
1971 560.00 488.96 a 321.50 196.50 70.50 2.00 0.00 0.00 7.00 219.58 a 408.50 727.39 c 3001.94
1972 578.31 b 380.00 113.50 138.00 9.82 a 0.00 0.00 0.00 0.00 180.32 a 496.67 c 647.00 2543.61
1973 667.50 489.00 0.00 z 279.00 32.50 6.00 0.00 0.00 0.00 30.00 235.50 476.00 2215.50
1974 585.50 454.50 356.50 135.00 g 7.00 0.00 j 0.00 0.00 0.00 41.91 d 315.54 b 679.00 2439.94
1975 608.00 519.00 419.50 271.00 65.50 0.00 0.00 0.00 0.00 60.50 312.00 510.00 2765.50
1976 534.00 323.50 265.00 m 212.00 27.50 0.00 0.00 0.00 1.50 128.50 349.00 569.50 2145.50
1977 601.00 384.50 413.50 119.50 47.50 f 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1518.50
1978 0.00 z 72.50 v 257.50 209.00 71.00 0.00 0.00 0.00 z 0.00 85.00 368.50 642.50 1633.50
Period of Record Statistics
MEAN 614.49 488.86 393.96 182.20 51.71 2.22 0.00 0.19 7.35 88.60 348.17 587.37 2812.78
S.D. 89.36 119.17 104.47 78.57 38.44 4.28 0.00 0.98 18.63 70.44 100.74 106.90 314.07
SKEW 0.10 0.40 -0.18 -0.28 0.57 2.51 0.00 4.80 2.99 1.47 0.10 -0.04 0.28
MAX 802.50 746.00 620.00 293.04 128.50 19.00 0.00 5.00 78.00 322.00 514.00 816.50 3450.25
MIN 402.00 292.50 113.50 43.80 3.00 0.00 0.00 0.00 0.00 0.00 141.00 312.50 2209.00
NO YRS 27 28 27 27 30 29 29 26 31 30 25 27 15