YUMA DATE ORCHARD, ARIZONA

Monthly Total Heating Degree Days

(029653)

Base Temperature = 65 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 192911
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
1905 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 173.50 n 518.00 518.00
1906 469.50 153.50 151.00 79.50 2.00 0.00 0.00 0.00 0.00 72.00 289.00 380.50 1597.00
1907 434.50 158.50 201.50 35.50 4.50 0.00 0.00 0.00 0.00 1.50 172.76 a 372.50 1381.26
1908 375.50 312.50 117.50 40.50 15.50 a 0.00 0.00 0.00 0.00 106.50 157.50 439.00 1564.50
1909 296.00 296.50 261.00 41.50 1.50 0.00 a 0.00 0.00 0.00 18.50 275.00 525.00 1715.00
1910 471.50 339.50 101.00 28.97 a 1.50 0.00 0.00 0.00 0.00 a 33.00 174.00 368.00 1517.47
1911 343.00 382.00 112.00 53.50 0.00 0.00 0.00 0.00 0.00 15.50 225.00 584.50 1715.50
1912 377.68 a 290.00 238.50 112.00 0.00 z 0.00 0.00 0.00 0.00 70.00 213.50 493.00 1794.68
1913 554.38 a 325.50 290.00 53.04 b 13.00 0.00 b 0.00 0.00 0.00 28.42 a 162.00 416.50 1842.84
1914 333.25 a 256.50 93.00 a 34.50 2.00 0.00 0.00 0.00 0.00 a 3.10 a 75.52 a 501.68 a 1299.55
1915 441.48 b 304.50 169.50 47.07 a 53.98 b 0.00 0.00 0.00 1.03 a 6.20 a 214.14 a 415.06 d 1652.96
1916 429.50 160.04 b 84.00 28.00 7.00 0.00 d 0.00 0.00 0.00 31.00 239.46 b 0.00 z 979.00
1917 0.00 z 0.00 z 207.70 a 49.50 6.00 0.00 0.00 0.00 0.00 5.00 150.50 252.43 c 671.13
1918 363.00 232.00 55.50 24.00 3.00 0.00 0.00 0.00 w 0.00 8.00 211.00 416.50 1313.00
1919 366.83 a 301.00 191.00 9.00 0.00 0.00 0.00 0.00 0.00 69.00 219.00 318.50 1474.33
1920 334.00 227.86 a 189.50 44.00 3.50 0.00 0.00 0.00 0.00 62.00 184.50 410.50 1455.86
1921 373.50 199.50 68.00 66.00 18.50 0.00 0.00 0.00 0.00 b 10.16 b 104.50 232.50 1072.66
1922 444.00 268.00 193.50 106.00 8.27 a 0.00 0.00 0.00 0.00 23.50 228.00 256.61 d 1527.88
1923 230.50 226.50 138.00 33.50 0.00 0.00 0.00 0.00 0.00 28.00 103.50 356.00 1116.00
1924 391.12 a 129.50 192.50 30.50 0.00 0.00 0.00 0.00 0.00 33.58 a 162.93 a 374.58 a 1314.71
1925 381.09 b 66.00 l 101.00 69.00 0.00 0.56 c 0.00 b 0.00 0.00 a 12.00 166.00 1.50 z 729.64
1926 442.27 a 154.50 57.50 3.50 0.00 0.00 b 0.00 b 0.00 c 0.00 0.00 98.65 d 401.50 1157.92
1927 269.00 155.50 153.00 70.50 4.00 0.00 0.00 a 0.00 0.00 8.50 71.50 399.00 1131.00
1928 0.00 z 258.93 a 73.37 a 47.00 0.00 0.00 0.00 0.00 0.00 32.50 172.00 335.00 918.80
1929 482.50 343.26 a 164.50 78.50 g 0.00 0.00 0.00 0.00 0.00 c 43.00 217.22 c 0.00 z 1250.48
Period of Record Statistics
MEAN 391.10 248.89 150.17 48.11 6.27 0.02 0.00 0.00 0.04 30.04 178.63 398.49 1443.32
S.D. 75.53 74.24 65.41 26.62 11.65 0.11 0.00 0.00 0.21 27.70 58.27 90.22 232.93
SKEW -0.08 -0.08 0.31 0.79 3.21 4.59 0.00 0.00 4.59 1.13 -0.18 0.05 -0.13
MAX 554.38 382.00 290.00 112.00 53.98 0.56 0.00 0.00 1.03 106.50 289.00 584.50 1842.84
MIN 230.50 129.50 55.50 3.50 0.00 0.00 0.00 0.00 0.00 0.00 71.50 232.50 1072.66
NO YRS 22 22 24 23 23 24 24 23 24 24 24 22 17