SILVER BELL, ARIZONA

Monthly Total Growing Degree Days

(027915)

Base Temperature = 40 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 197404
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 0.00 z 322.00 j 679.00 782.00 1071.50 1383.50 1453.00 1317.00 1289.50 1034.00 627.50 524.00 9999.00
1907 209.50 580.50 676.50 904.50 1016.00 1226.00 1420.00 1317.00 1330.00 886.00 570.00 532.50 9999.00
1908 456.00 376.50 726.00 728.50 937.00 1304.00 1375.00 1324.00 1148.00 906.50 782.00 474.00 9999.00
1909 546.50 409.00 449.50 846.00 1055.00 1406.00 0.00 z 1320.50 1168.50 1042.00 692.50 325.50 9261.00
1910 431.50 442.50 873.50 0.00 z 0.00 z 1393.97 a 1466.30 a 1431.50 1357.50 1094.50 650.50 579.00 9720.77
1911 546.50 0.00 z 859.00 880.00 1125.00 1369.50 1344.00 1449.50 1300.50 991.50 589.00 260.52 e 9999.00
1912 525.00 549.00 551.00 681.00 1200.00 1388.50 1303.66 c 1398.50 1211.00 0.00 z 0.00 z 256.00 9063.66
1913 281.00 374.00 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 376.00 1031.00
1914 535.50 490.00 748.00 882.50 1152.00 1343.00 1433.50 1437.50 1306.50 978.50 769.00 286.23 a 9999.00
1915 370.93 b 406.00 586.50 595.00 i 966.50 1378.50 1445.00 1492.81 b 0.00 z 0.00 z 0.00 z 0.00 z 6646.24
1916 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 935.68 a 687.50 351.50 1974.68
1917 333.50 0.00 z 614.00 821.54 d 589.00 j 876.00 j 1427.00 1399.17 e 896.50 g 987.00 528.00 g 378.00 i 5582.21
1918 89.50 r 485.50 724.00 844.50 993.00 1434.50 1427.50 1321.50 1290.50 1095.00 551.50 310.50 9999.00
1919 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1458.60 e 1318.50 1411.50 781.50 j 0.00 z 0.00 z 0.00 z 4188.60
1920 0.00 z 560.32 a 546.12 a 772.00 1157.50 1355.50 1578.00 1379.00 1171.00 920.50 648.50 400.50 9999.00
1921 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
1922 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
1923 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
1924 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
1925 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
1926 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
1927 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
1928 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
1929 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
1930 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
1931 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
1932 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
1933 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
1934 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
1935 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
1936 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
1937 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
1938 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
1939 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
1940 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
1941 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
1942 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
1943 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
1944 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
1945 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
1946 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
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 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
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 z 0.00 z 0.00 z 0.00 z 0.00
1951 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
1952 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
1953 0.00 z 0.00 z 731.48 e 825.00 d 793.50 f 1003.50 h 1119.50 g 1495.15 e 1035.50 h 1060.89 d 531.50 h 310.00 h 4112.52
1954 366.50 h 651.58 d 445.00 i 1015.80 e 942.00 f 1326.00 e 1165.00 f 1053.50 f 1296.60 e 1099.31 e 754.62 d 384.00 f 6143.91
1955 186.50 f 274.00 f 555.50 f 780.00 d 825.50 f 1285.20 e 1321.67 e 1226.22 d 1262.31 d 1092.15 e 609.00 e 448.00 h 7576.56
1956 389.50 m 264.50 j 478.50 l 619.50 g 1218.54 e 1438.27 d 1151.50 f 1403.04 d 1111.00 f 1013.24 d 473.50 f 365.00 g 5073.09
1957 412.54 e 625.33 d 488.00 i 784.80 e 779.00 f 1376.40 e 1167.50 f 1357.44 e 1306.80 e 901.30 d 356.50 f 365.50 h 6764.61
1958 429.83 e 460.17 e 431.02 e 586.00 f 997.50 f 1089.00 f 1161.50 f 1302.00 e 838.50 h 949.08 e 0.00 z 382.00 j 3572.10
1959 436.00 f 335.00 f 529.00 h 971.40 e 744.00 j 1405.38 d 1151.00 f 954.50 g 1174.62 d 950.09 d 449.00 g 266.00 k 4501.49
1960 255.75 e 228.50 h 758.90 e 632.00 i 837.00 g 1131.50 f 1191.00 f 1423.70 d 1007.00 g 932.98 e 530.00 g 228.00 j 3371.34
1961 377.00 f 351.00 f 470.50 g 636.00 h 1115.40 e 1114.00 f 1036.50 i 1305.58 e 890.50 g 684.00 j 366.00 g 242.50 i 2420.98
1962 256.00 f 456.75 d 332.00 g 765.00 g 815.50 g 979.00 g 1130.50 g 1513.04 e 661.00 n 1022.40 e 570.50 h 263.50 m 2992.19
1963 257.50 g 587.39 e 489.50 f 739.04 d 945.50 g 986.00 f 1490.98 e 1275.02 d 1009.50 f 1090.17 d 587.40 e 337.50 f 5770.00
1964 250.98 e 249.52 e 421.48 e 692.88 d 829.00 f 1239.23 d 1454.02 e 1286.50 e 1123.80 e 1079.83 d 339.00 g 316.00 g 7798.25
1965 347.00 f 374.96 e 409.50 f 791.54 d 814.00 f 1158.46 d 1423.62 e 1393.21 e 1158.00 e 1086.19 e 573.50 f 377.96 e 7763.94
1966 213.00 f 222.78 e 632.06 d 843.46 d 922.00 f 1299.23 d 1091.00 g 1059.50 g 928.00 g 980.08 e 576.50 f 450.10 e 4427.70
1967 315.00 f 501.57 e 758.93 d 506.50 h 849.50 g 1236.92 d 1121.00 f 1390.23 e 887.50 i 863.50 f 781.80 e 194.50 h 4669.44
1968 299.00 h 547.52 d 574.10 e 690.60 e 901.50 f 1112.50 f 1100.00 g 923.00 i 793.50 l 793.00 h 443.50 j 224.00 j 1812.22
1969 393.50 h 251.50 h 306.00 k 647.50 h 716.00 j 762.00 i 1053.50 i 966.00 k 878.00 i 691.50 h 391.00 j 291.50 k 0.00
1970 250.00 l 221.00 p 366.00 j 497.00 h 806.00 j 964.50 i 1067.50 i 967.00 j 855.50 i 631.50 i 500.00 j 300.50 j 0.00
1971 308.50 k 337.50 h 531.00 h 545.50 h 655.50 k 960.50 h 1015.50 j 916.50 i 878.50 i 557.00 j 387.50 j 190.50 i 0.00
1972 301.00 j 391.00 h 657.50 h 609.50 j 802.00 i 950.00 h 964.50 k 1029.00 h 831.50 j 632.00 i 465.58 d 311.50 777.08
1973 262.00 f 390.38 b 393.91 b 689.50 926.50 f 1375.18 b 1476.67 e 1081.00 h 870.00 j 789.50 h 512.00 i 0.00 z 4325.65
1974 242.00 j 295.50 h 551.00 g 639.00 g 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
Period of Record Statistics
MEAN 398.93 463.87 636.75 807.93 1083.95 1344.63 1421.08 1374.82 1243.45 1005.37 651.09 387.72 10856.08
S.D. 117.93 113.19 141.58 91.18 92.23 77.47 70.63 74.11 76.00 71.47 93.75 103.04 443.21
SKEW -0.18 -0.36 -0.18 0.50 -0.13 -0.74 0.06 0.06 -0.18 -0.10 -0.10 0.46 0.64
MAX 546.50 651.58 873.50 1015.80 1218.54 1458.60 1578.00 1513.04 1357.50 1099.31 782.00 579.00 11362.23
MIN 209.50 222.78 393.91 681.00 937.00 1158.46 1303.66 1226.22 1123.80 886.00 465.58 256.00 9999.00
NO YRS 14 21 20 21 12 22 17 25 16 24 15 15 3