ST MICHAELS 6 WNW, ARIZONA

Monthly Total Heating Degree Days

(027440)

Base Temperature = 65 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 192712
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
1906 1244.00 836.00 819.50 598.00 325.50 96.21 a 28.50 28.33 b 201.00 537.00 855.00 982.00 6551.03
1907 1061.50 616.00 f 744.57 d 522.00 465.00 166.50 2.50 60.50 210.00 270.50 p 891.50 1072.50 5196.57
1908 1095.00 959.00 780.00 586.00 484.00 106.00 0.00 13.50 194.50 667.50 915.00 1131.00 6931.50
1909 951.00 957.00 888.00 611.00 432.00 51.00 1.00 6.50 211.50 511.00 822.00 1439.50 6881.50
1910 1172.00 993.50 666.50 536.00 179.50 h 17.50 0.00 0.00 57.50 456.50 671.00 963.50 5534.00
1911 911.00 842.00 678.00 504.50 254.50 71.50 11.50 14.50 71.00 489.00 849.50 1281.50 5978.50
1912 1121.00 921.00 797.50 661.50 322.00 70.50 20.00 12.00 264.00 554.00 812.50 1223.00 6779.00
1913 1261.00 1024.00 952.00 580.50 311.00 82.00 20.00 3.00 178.80 e 608.00 731.00 1263.50 7014.80
1914 1038.00 917.00 849.00 609.00 298.00 66.50 7.50 16.00 98.00 498.00 723.50 1215.00 6335.50
1915 1317.00 1047.50 911.50 514.00 487.50 116.50 13.50 14.50 173.00 480.00 788.50 1091.50 6955.00
1916 1143.00 852.00 692.50 534.00 368.50 67.00 0.00 27.00 175.00 473.00 857.00 1178.00 6367.00
1917 1274.00 1018.00 972.88 a 636.00 511.00 70.00 0.00 8.00 158.50 424.00 709.00 910.50 6691.88
1918 1217.50 855.00 700.50 603.50 418.00 17.50 2.00 26.00 161.50 448.00 886.00 1248.00 6583.50
1919 1461.00 1156.00 910.50 520.50 262.50 101.50 4.00 0.50 125.00 494.00 f 786.60 e 1049.00 6377.10
1920 1051.00 607.00 g 874.00 737.00 341.00 38.50 n 0.00 b 31.50 158.28 a 564.56 e 0.00 z 0.00 z 3757.33
1921 998.00 862.50 703.50 634.50 398.50 108.00 3.00 24.00 116.50 369.00 702.00 918.50 5838.00
1922 1224.00 951.00 885.00 672.86 b 339.00 43.00 0.00 k 2.00 54.50 j 494.45 a 897.50 766.50 f 5508.81
1923 982.50 946.00 874.50 586.50 315.50 150.00 b 0.00 10.50 k 241.50 597.50 795.50 1090.00 6579.50
1924 1274.50 848.00 959.50 631.50 274.50 23.00 w 2.50 2.50 f 0.00 z 498.14 b 715.34 a 857.50 l 5203.98
1925 1407.73 c 850.50 763.50 478.50 175.50 m 3.50 i 0.00 21.00 0.00 z 485.50 0.00 z 0.00 z 4006.73
1926 0.00 z 965.50 922.25 c 0.00 z 0.00 z 0.00 z 7.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1894.75
1927 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 20.00 161.00 466.79 e 941.00 577.50 p 1588.79
Period of Record Statistics
MEAN 1160.24 936.92 825.96 587.87 367.11 82.42 6.15 17.31 164.25 506.42 807.87 1128.56 6575.60
S.D. 151.04 86.36 100.23 65.50 81.98 40.65 8.33 14.35 54.93 69.58 81.38 147.00 383.09
SKEW 0.19 0.75 -0.20 0.28 0.38 0.32 1.41 1.31 -0.27 0.46 -0.10 0.25 -0.70
MAX 1461.00 1156.00 972.88 737.00 511.00 166.50 28.50 60.50 264.00 667.50 941.00 1439.50 7014.80
MIN 911.00 836.00 666.50 478.50 254.50 17.50 0.00 0.00 57.50 369.00 671.00 910.50 5838.00
NO YRS 20 19 21 20 18 17 20 19 18 19 19 16 12