TUCSON MAGNETIC OBSY, ARIZONA

Monthly Total Growing Degree Days

(028800)

Base Temperature = 50 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 199403
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
1912 66.50 65.00 190.50 256.50 588.00 946.50 955.00 963.00 769.00 479.50 197.50 15.50 5492.50
1913 8.78 a 46.00 171.50 414.00 631.00 833.50 1038.50 1013.50 827.00 496.50 275.50 38.00 5793.78
1914 119.50 89.50 312.00 452.00 673.00 952.00 1046.50 1063.50 898.50 529.50 336.00 36.50 6508.50
1915 29.00 76.50 131.00 341.00 501.50 886.00 1057.00 1095.50 817.50 641.00 213.00 71.50 5860.50
1916 92.00 233.50 339.50 403.50 598.00 916.00 1073.00 993.00 852.00 184.50 v 0.00 z 0.00 z 5500.50
1917 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
1918 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
1919 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
1920 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
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 203.50 u 643.50 262.50 149.50 1055.50
1935 141.50 148.50 180.50 411.00 559.50 959.00 1118.50 1004.00 834.00 541.50 127.50 69.50 6095.00
1936 39.50 91.50 267.00 485.00 781.00 1018.50 1159.50 1025.50 809.00 543.50 253.00 37.50 6510.50
1937 0.00 79.50 151.00 352.50 711.50 910.00 1106.00 1104.50 944.00 410.00 j 240.00 127.50 5726.50
1938 85.00 121.50 184.00 428.00 635.00 923.00 1034.50 1014.00 900.00 566.27 a 124.00 94.00 6109.27
1939 48.50 6.00 252.00 472.76 a 724.50 975.00 1127.00 1042.78 b 895.50 544.50 370.50 220.50 6679.53
1940 96.50 101.50 300.50 455.50 797.00 973.00 1136.00 1059.00 908.50 607.00 196.50 181.50 6812.50
1941 76.00 150.50 177.00 258.00 662.50 859.50 1097.50 1022.00 829.00 491.50 299.50 81.50 6004.50
1942 108.00 50.50 134.50 350.50 640.00 922.00 1203.00 1063.50 898.50 549.50 321.50 105.50 6347.00
1943 86.00 214.00 295.00 542.07 a 739.00 943.50 1159.00 1042.00 929.50 607.00 283.00 100.50 6940.57
1944 55.50 49.00 145.50 327.00 677.00 870.50 1121.50 1112.50 872.00 658.50 160.50 64.50 6114.00
1945 48.00 78.00 130.50 373.50 672.00 830.00 1144.50 1090.00 903.50 623.00 187.00 42.50 6122.50
1946 44.50 67.50 255.50 572.00 667.50 1018.50 1107.50 1043.50 902.00 442.00 146.50 132.00 6399.00
1947 42.00 158.00 258.50 410.50 804.00 924.50 1174.50 1046.00 950.00 584.00 122.00 46.50 6520.50
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1140.50 1094.50 971.00 697.00 110.00 75.50 4088.50
1949 30.50 85.50 209.00 471.50 652.00 949.00 1079.50 1034.00 965.50 493.50 382.00 126.00 6478.00
1950 70.50 165.50 255.00 514.00 614.00 879.50 996.00 1025.00 779.00 739.50 321.00 148.00 6507.00
1951 54.50 89.00 211.50 415.00 678.50 821.00 1143.00 1045.50 915.00 621.50 199.50 72.50 6266.50
1952 63.50 63.00 99.00 399.50 731.00 923.50 1081.00 1080.00 957.50 705.50 175.50 46.00 6325.00
1953 73.00 49.00 244.50 377.00 504.50 960.50 1125.00 1103.50 906.00 571.50 317.50 22.50 6254.50
1954 76.00 234.50 225.50 539.50 738.00 917.50 1110.50 1006.50 934.00 658.50 285.50 123.00 6849.00
1955 16.00 70.50 213.50 339.00 604.50 881.50 1033.50 970.50 871.00 673.00 204.11 b 109.50 5986.61
1956 133.00 39.50 230.50 357.50 714.00 1028.50 1067.50 998.00 951.21 a 556.00 196.61 b 58.79 b 6331.11
1957 98.00 234.00 209.00 319.29 b 558.50 1002.50 1171.00 1056.67 b 877.24 a 527.50 109.14 a 87.00 6249.84
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 89.00 60.50 196.00 511.00 638.50 1031.50 1124.55 b 980.50 862.50 582.50 218.00 93.00 6387.55
1960 34.50 28.50 273.00 397.50 619.50 978.50 1117.00 1084.50 656.50 i 524.50 249.50 45.97 b 5352.97
1961 103.00 109.00 238.00 431.50 662.00 1034.00 1134.00 1051.00 833.00 572.50 149.50 53.00 6370.50
1962 53.00 139.50 108.50 517.00 610.00 862.50 1085.00 1125.00 954.00 581.50 317.00 114.50 6467.50
1963 42.50 185.00 198.73 c 336.50 762.00 834.31 a 1163.50 1012.00 964.00 681.00 233.04 b 62.00 6474.58
1964 24.80 a 19.00 127.50 338.50 628.27 a 894.83 a 1133.10 b 978.50 797.14 b 649.00 151.50 70.50 5812.64
1965 97.50 129.50 d 133.50 383.00 556.00 759.00 1116.00 1066.50 812.00 619.50 343.50 121.00 6137.00
1966 25.00 27.50 253.00 408.50 739.00 930.50 1108.00 1057.00 856.00 524.50 283.50 93.00 6305.50
1967 60.50 123.50 318.00 326.00 610.00 865.00 1086.00 1070.50 906.00 618.50 327.00 28.00 6339.00
1968 76.00 218.00 228.00 336.50 635.00 934.50 1061.50 937.00 883.00 592.50 201.50 76.00 6179.50
1969 137.00 85.00 127.50 438.00 727.00 883.00 1132.00 1162.50 950.00 497.00 250.00 114.00 6503.00
1970 53.50 173.50 135.00 254.50 709.50 962.50 1148.00 1085.50 796.00 427.50 251.00 65.50 6062.00
1971 99.00 89.50 281.00 362.00 566.50 898.00 1183.00 987.00 868.00 464.00 200.00 53.00 6051.00
1972 35.50 127.50 411.50 401.50 651.50 936.50 1139.50 1021.00 863.00 546.50 95.00 60.50 6289.50
1973 37.50 105.50 80.00 280.50 712.50 951.50 1104.00 1131.50 883.00 611.50 258.50 89.00 6245.00
1974 54.50 73.00 319.00 425.50 735.50 1081.50 1083.00 1055.00 898.00 639.00 209.00 30.50 6603.50
1975 69.50 60.50 192.50 258.50 603.50 900.50 1098.00 1124.50 918.00 578.00 235.50 90.00 6129.00
1976 88.00 196.00 230.50 418.00 728.50 965.50 1083.50 1096.00 824.00 527.50 293.50 74.00 6525.00
1977 50.00 127.00 147.00 444.50 594.50 996.50 1175.00 1143.00 963.50 700.50 270.00 148.50 6760.00
1978 81.50 119.00 298.00 386.50 646.50 1003.00 1177.50 1073.50 934.50 704.50 235.50 83.50 6743.50
1979 29.45 a 97.00 160.00 396.00 664.00 968.00 1150.50 987.00 998.50 647.50 189.00 126.50 6413.45
1980 93.00 187.50 178.00 402.50 599.00 1004.00 1213.50 1056.50 919.00 608.50 263.50 218.50 6743.50
1981 150.50 196.50 202.00 545.50 698.00 1086.00 1121.00 1159.00 943.50 579.00 342.50 148.50 7172.00
1982 80.50 143.00 218.50 432.00 648.50 882.00 1120.00 1085.00 883.00 503.00 241.50 77.50 6314.50
1983 90.00 88.50 178.00 263.50 637.00 868.00 1130.50 1040.50 989.50 551.50 223.00 76.00 6136.00
1984 61.50 83.00 220.00 354.50 861.00 969.50 1045.50 986.00 926.00 473.00 215.00 79.00 6274.00
1985 44.00 117.00 233.50 480.50 755.50 993.00 1161.00 1101.00 779.50 574.00 209.50 65.50 6514.00
1986 179.50 170.50 362.50 500.50 762.50 1051.50 1053.50 1088.50 785.00 527.50 244.00 51.00 6776.50
1987 81.00 128.50 188.50 543.00 709.50 1023.50 1109.50 1062.78 a 873.00 746.50 246.00 74.50 6786.28
1988 79.00 166.50 265.00 455.00 729.50 1002.00 1164.00 1095.00 861.50 743.50 250.50 114.00 6925.50
1989 64.50 204.50 416.50 644.00 778.00 1001.00 1210.00 1087.00 971.00 597.00 272.50 71.50 7317.50
1990 72.50 113.00 327.50 518.50 723.50 1098.50 1058.50 947.50 917.50 614.00 311.50 95.00 6797.50
1991 55.00 226.50 149.50 363.00 658.00 864.00 1136.50 1119.00 903.00 693.00 217.00 126.50 6511.00
1992 83.00 155.00 232.00 492.00 768.00 942.00 1078.50 1051.00 936.00 662.00 150.50 79.00 6629.00
1993 127.50 103.00 263.00 433.50 763.00 939.50 1119.50 1075.50 873.00 619.00 211.50 90.50 6618.50
1994 83.50 104.50 300.50 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 488.50
Period of Record Statistics
MEAN 71.24 116.48 221.66 411.57 673.35 942.26 1113.19 1053.89 890.19 589.88 234.55 87.97 6404.61
S.D. 35.40 58.76 73.50 84.93 75.01 69.76 50.42 51.37 57.44 76.26 67.42 42.71 338.98
SKEW 0.59 0.38 0.46 0.20 -0.03 -0.01 -0.49 -0.14 -0.30 0.08 -0.01 0.98 0.11
MAX 179.50 234.50 416.50 644.00 861.00 1098.50 1213.50 1162.50 998.50 746.50 382.00 220.50 7317.50
MIN 0.00 6.00 80.00 254.50 501.50 759.00 955.00 937.00 769.00 427.50 95.00 15.50 5492.50
NO YRS 63 63 63 62 62 62 63 63 62 62 63 63 59