PHANTOM RANCH, ARIZONA

Monthly Total Heating Degree Days

(026471)

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
1966 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 5.50 127.00 467.00 599.50
1967 544.50 237.50 81.00 76.00 12.00 0.00 0.00 0.00 d 0.00 3.00 78.50 761.50 1794.00
1968 715.00 0.00 z 91.50 8.50 0.00 0.00 j 0.00 0.00 0.00 1.00 212.00 498.00 i 1028.00
1969 496.50 410.67 a 283.00 3.62 a 16.50 0.00 a 0.00 z 0.00 w 0.00 0.00 z 0.00 z 0.00 z 1210.29
1970 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 38.50 s 169.62 d 0.00 z 169.62
1971 994.50 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 994.50
1972 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00 0.00 104.50 378.00 648.00 1130.50
1973 719.50 435.00 394.50 154.00 4.00 0.00 f 0.00 0.00 0.00 0.00 z 235.50 464.00 2406.50
1974 642.00 419.00 104.88 a 11.50 w 2.00 0.00 0.00 a 0.00 a 0.00 41.50 280.50 582.50 2072.38
1975 638.17 b 427.50 324.97 b 199.50 20.00 0.00 0.00 a 0.00 0.00 16.50 243.50 535.00 2405.14
1976 539.50 321.00 269.70 a 70.00 0.00 a 0.00 c 0.00 0.00 1.50 13.50 215.69 a 564.50 1995.39
1977 630.00 301.50 317.75 a 53.00 33.58 a 0.00 b 0.00 a 0.00 c 0.00 0.00 148.45 a 345.81 b 1830.09
1978 492.00 359.00 138.50 54.00 10.73 e 0.00 0.00 0.00 0.00 a 10.00 272.22 c 751.00 2087.45
1979 721.00 449.50 0.00 z 36.60 e 7.00 0.00 a 0.00 0.00 b 0.00 22.22 a 0.00 z 544.00 1780.32
1980 454.00 303.50 250.07 a 64.66 a 5.50 0.00 0.00 z 0.00 0.00 79.00 252.50 438.00 1847.22
1981 448.50 315.00 241.50 28.50 8.00 0.00 0.00 0.00 0.00 27.00 157.00 460.50 1686.00
1982 588.00 396.00 223.00 53.00 0.50 0.00 0.00 0.00 0.00 42.00 317.50 569.50 2189.50
1983 557.50 347.50 223.50 133.00 9.00 0.00 0.00 0.00 1.00 0.50 265.50 434.00 1971.50
1984 536.00 383.50 139.50 66.50 0.00 0.00 0.00 0.00 0.00 108.00 251.00 493.50 1978.00
1985 593.50 428.50 204.50 23.00 0.00 0.00 0.00 0.00 0.00 1.00 314.00 585.50 2150.00
1986 423.50 268.00 119.50 49.00 7.00 0.00 0.00 0.00 5.00 67.50 319.00 589.50 1848.00
1987 661.00 418.00 295.00 19.00 1.50 0.00 0.00 0.00 0.00 17.00 355.50 634.50 2401.50
1988 605.50 330.00 149.00 49.50 12.00 0.00 0.00 0.00 0.00 0.00 275.00 529.50 1950.50
1989 659.00 378.50 59.50 2.00 4.00 0.00 0.00 0.00 0.00 41.00 202.00 529.50 1875.50
1990 521.50 377.50 135.00 12.50 10.00 0.00 0.00 0.00 0.00 11.50 268.00 717.50 2053.50
1991 637.50 252.00 283.50 32.50 2.00 0.50 0.00 0.00 0.00 62.00 271.00 559.50 2100.50
1992 602.00 282.50 156.50 5.50 0.00 0.00 0.00 0.00 0.00 4.50 328.50 693.00 2072.50
1993 519.00 340.00 114.50 17.50 4.50 0.00 0.00 0.00 0.00 z 28.00 340.00 559.00 1922.50
1994 538.50 396.50 74.00 58.00 0.00 0.00 0.00 0.00 0.00 44.50 368.50 518.50 1998.50
1995 515.00 215.50 161.00 76.00 8.00 0.00 0.00 0.00 0.00 7.00 154.00 447.50 1584.00
1996 469.50 231.50 115.50 9.50 0.00 0.00 0.00 0.00 0.00 100.00 243.00 461.00 1630.00
1997 510.00 348.50 94.50 104.00 0.00 0.00 0.00 0.00 0.00 56.00 0.00 z 618.97 a 1731.97
1998 467.50 417.00 205.50 110.00 4.00 0.00 0.00 0.00 0.00 45.00 306.00 548.50 2103.50
1999 442.78 a 302.96 c 57.00 159.31 a 10.50 0.00 0.00 a 0.00 0.00 8.78 a 156.00 529.00 1666.34
2000 445.00 273.50 246.45 a 12.50 0.00 0.00 0.00 a 0.00 a 0.00 81.00 457.24 a 487.14 c 2002.83
2001 570.40 a 349.48 a 178.00 78.00 6.00 0.00 0.00 0.00 0.00 a 0.00 k 180.50 607.50 1969.88
2002 566.00 350.00 257.50 2.50 0.00 0.00 0.00 0.00 0.00 35.50 259.00 597.50 2068.00
2003 402.50 395.92 c 244.00 87.32 b 1.50 0.00 0.00 0.00 0.00 1.19 e 267.50 529.00 1928.93
2004 553.00 496.00 80.00 20.00 0.00 0.00 0.00 0.00 0.00 73.00 347.50 579.50 2149.00
2005 493.50 352.50 249.07 b 52.80 e 5.50 f 0.00 0.00 0.00 0.00 8.00 212.50 536.00 1904.37
2006 478.50 280.00 d 284.50 31.00 0.00 g 0.00 h 0.00 o 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1074.00
Period of Record Statistics
MEAN 562.93 349.74 190.21 55.90 5.71 0.01 0.00 0.00 0.20 33.33 256.37 553.23 1981.55
S.D. 110.70 68.25 87.76 48.29 7.13 0.09 0.00 0.00 0.86 33.00 80.41 90.17 207.55
SKEW 1.59 -0.11 0.23 1.19 2.00 5.57 0.00 0.00 4.97 0.87 0.07 0.36 -0.01
MAX 994.50 496.00 394.50 199.50 33.58 0.50 0.00 0.00 5.00 108.00 457.24 761.50 2405.14
MIN 402.50 215.50 57.00 2.00 0.00 0.00 0.00 0.00 0.00 0.00 78.50 345.81 1584.00
NO YRS 38 36 36 36 35 34 35 37 37 35 36 36 26