DOUGLAS SMELTER, ARIZONA

Monthly Total Growing Degree Days

(022669)

Base Temperature = 40 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 197303
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
1903 0.00 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 149.50 149.50
1904 61.50 335.50 559.50 666.00 918.50 1147.50 1249.00 1203.00 989.50 754.00 364.29 b 184.50 8432.79
1905 268.50 284.00 469.00 548.00 819.00 1159.50 1251.48 d 1257.00 1088.50 803.50 413.00 137.00 8498.48
1906 133.00 355.50 456.50 666.00 886.50 1129.00 1247.50 1116.00 1019.50 716.00 452.00 298.00 8475.50
1907 286.00 368.50 521.50 661.50 772.50 1045.50 1240.50 1140.50 1030.50 768.00 317.00 218.50 8370.50
1908 206.50 277.00 537.50 693.00 812.50 1093.50 1220.50 1185.00 986.00 634.50 362.50 234.50 8243.00
1909 347.50 225.50 362.00 634.00 807.50 1136.50 1260.50 1189.00 1037.50 722.00 409.00 177.50 8308.50
1910 278.50 271.50 641.50 692.50 991.50 1155.50 1278.00 1221.00 1082.00 759.50 421.00 250.00 9042.50
1911 363.00 281.00 622.00 630.00 900.00 1106.00 1163.00 1229.00 1098.10 a 735.50 418.50 92.00 8638.10
1912 242.50 256.00 447.50 505.50 856.00 1076.50 1158.50 1178.00 1011.00 716.50 290.00 66.50 7804.50
1913 166.50 199.50 396.00 639.00 845.78 a 1046.00 1306.00 1116.53 b 0.00 z 0.00 z 483.62 a 171.50 6370.44
1914 311.50 294.50 508.00 656.50 841.50 1055.69 a 977.00 1013.00 973.50 718.00 504.00 181.00 8034.19
1915 149.00 269.50 384.50 607.00 796.00 1126.00 1235.50 1227.00 1023.50 770.50 431.00 218.00 8237.50
1916 314.00 461.50 595.50 671.50 893.00 1199.00 1280.50 1242.00 1037.00 795.00 330.50 149.50 8969.00
1917 192.00 228.00 382.50 560.50 762.50 1194.00 1228.50 1142.00 1050.50 841.50 468.50 276.50 8327.00
1918 155.50 317.50 538.00 679.50 767.25 a 1173.10 a 1236.00 1129.00 1035.00 758.50 325.86 a 118.66 b 8233.87
1919 68.00 128.50 380.00 0.00 z 893.50 1104.50 1128.00 1167.00 937.50 666.00 356.50 212.50 7042.00
1920 215.00 347.50 374.00 459.00 842.00 1029.50 1260.50 1110.50 968.50 625.50 336.00 108.50 7676.50
1921 220.00 240.00 534.50 557.07 a 823.50 1045.00 1193.50 1116.00 1014.50 763.50 387.00 287.50 8182.07
1922 151.00 263.00 325.50 a 535.50 875.50 1159.50 1227.50 1199.00 1029.00 748.00 288.00 278.00 8079.50
1923 267.50 240.50 393.00 636.50 952.00 1065.50 1230.00 1110.00 970.50 655.65 a 398.50 170.00 8089.65
1924 95.00 228.50 302.00 539.50 867.50 1218.00 1246.50 1238.50 1072.00 738.50 437.50 151.50 8135.00
1925 97.00 335.00 516.50 681.50 942.00 1090.50 1228.50 1125.50 999.50 763.50 317.50 125.50 8222.50
1926 56.00 271.00 402.50 552.00 849.00 1114.00 1220.50 1196.50 1067.00 789.00 429.00 215.50 8162.00
1927 314.00 366.50 462.00 645.00 949.00 1101.00 1250.50 1126.00 998.50 734.00 524.50 158.50 8629.50
1928 187.50 233.00 496.00 638.50 939.00 1137.00 1255.50 1146.50 1020.50 773.00 372.50 173.00 8372.00
1929 126.00 174.50 373.00 589.50 910.50 1153.50 1218.00 1142.50 1009.00 704.00 236.00 189.00 7825.50
1930 181.50 303.50 416.00 722.50 799.00 1162.50 1195.00 1175.50 959.00 701.00 346.00 120.50 8082.00
1931 104.50 228.50 428.50 647.50 909.00 1137.00 1259.50 1135.00 1055.00 763.50 319.50 135.50 8123.00
1932 62.00 308.00 391.00 588.00 851.00 1073.50 1211.00 1183.50 974.00 683.00 344.50 127.50 7797.00
1933 102.00 119.00 451.00 522.00 756.00 1115.50 1289.00 1218.50 1103.50 794.00 409.00 242.50 8122.00
1934 127.00 337.00 522.50 721.50 998.00 1082.50 1277.00 1169.50 1033.00 788.50 386.50 239.00 8682.00
1935 244.50 241.00 422.12 a 662.00 740.00 1125.00 1284.50 1176.00 978.00 782.00 366.50 211.50 8233.12
1936 185.00 277.00 486.00 695.50 981.00 1225.00 1304.50 1252.50 1008.00 722.50 381.00 196.50 8714.50
1937 80.00 267.50 388.00 640.00 974.36 b 1130.17 a 1317.00 1273.50 1090.50 822.50 440.50 273.50 8697.53
1938 257.00 212.00 h 484.50 631.00 881.00 1155.50 1220.50 1203.50 1040.50 815.50 315.00 245.50 8249.50
1939 163.50 84.50 460.00 655.00 922.00 1175.00 1236.00 1190.50 1049.00 709.42 e 444.50 338.50 8427.92
1940 222.50 273.00 512.00 655.00 952.50 1146.00 1287.50 1188.50 1073.50 785.50 364.00 350.50 8810.50
1941 237.00 343.78 a 438.50 546.21 a 913.00 1094.00 1265.00 1189.50 1033.00 737.00 442.00 273.50 8512.48
1942 265.00 212.50 402.50 622.50 890.50 1148.50 1315.50 1203.50 1053.00 729.50 496.50 256.50 8596.00
1943 232.50 380.00 523.50 769.50 982.00 1140.50 1258.50 1213.00 1048.50 760.50 420.50 201.50 8930.50
1944 97.50 247.00 404.50 585.50 894.00 1096.50 1272.00 1248.50 1019.50 833.50 366.50 203.00 8268.00
1945 222.50 281.50 348.50 604.00 910.00 1047.00 1281.00 1251.50 1077.00 803.00 436.50 217.50 8480.00
1946 123.50 202.50 439.50 783.00 859.50 1193.50 1277.00 1237.50 1088.50 724.00 316.00 289.00 8533.50
1947 138.00 351.50 453.00 619.00 962.00 1124.00 1320.00 1231.00 1102.00 832.00 330.00 140.50 8603.00
1948 215.00 256.00 350.50 717.50 957.00 1190.00 1306.00 1249.00 1105.00 801.50 277.00 264.50 8689.00
1949 136.50 195.00 437.00 609.00 850.50 1094.00 1213.00 1204.50 1120.00 713.50 514.50 217.50 8305.00
1950 244.00 326.50 498.50 719.00 848.50 1132.00 1208.00 1194.50 1000.50 951.50 498.50 298.00 8919.50
1951 168.50 240.00 407.50 614.00 874.00 1073.00 1315.00 1253.50 1101.50 850.50 402.00 254.00 8553.50
1952 258.00 195.00 297.00 625.00 959.00 1169.00 1307.50 1283.00 1109.00 849.00 320.50 136.50 8508.50
1953 259.00 212.50 491.50 655.00 768.00 1167.50 1286.50 1248.00 1051.50 768.00 460.00 106.50 8474.00
1954 235.50 363.50 466.00 749.00 912.50 1111.50 1291.00 1136.00 1106.50 841.50 468.50 283.00 8964.50
1955 116.50 174.00 448.00 597.00 827.50 1098.00 1189.00 1174.00 1002.50 820.50 401.50 249.50 8098.00
1956 272.50 195.50 436.00 562.00 935.00 1247.50 1224.00 1161.00 1110.00 764.50 317.00 165.50 8390.50
1957 319.00 445.00 459.50 623.00 795.00 1193.00 1283.50 1191.00 998.00 719.50 298.00 234.50 8559.00
1958 142.50 293.50 334.00 622.50 1019.00 1229.00 1288.00 1204.00 1029.00 770.50 393.00 261.50 8586.50
1959 252.00 243.00 407.50 704.50 872.50 1202.00 1279.00 1173.50 1018.00 755.88 a 394.50 227.50 8529.88
1960 128.50 149.50 528.50 637.50 846.50 1182.50 1269.50 1231.00 1059.00 716.00 459.00 152.50 8360.00
1961 205.50 250.00 472.50 699.50 922.50 1195.00 1276.00 1219.50 1020.50 751.50 335.50 234.00 8582.00
1962 193.50 354.50 313.00 766.00 902.00 1084.50 1227.50 1300.00 1086.00 839.50 512.00 292.00 8870.50
1963 206.50 354.50 497.50 677.00 991.50 1109.00 1321.50 1187.50 1096.50 836.50 414.50 201.00 8893.50
1964 116.00 98.50 381.00 602.00 917.00 1129.00 1321.08 e 1190.50 988.00 779.50 341.00 248.50 8112.08
1965 304.00 216.00 389.50 671.00 846.00 1009.50 1265.50 1221.00 977.50 531.50 j 158.50 s 217.50 7117.50
1966 82.00 100.00 443.50 629.50 0.00 z 1114.50 1259.00 1169.00 972.41 a 706.50 450.50 186.53 b 7113.45
1967 190.50 281.00 550.50 610.50 840.00 1078.50 1244.81 b 1177.47 b 1006.00 765.00 452.14 b 154.50 8350.92
1968 191.00 390.96 b 437.88 c 571.00 855.17 b 1168.50 1204.87 a 1107.70 c 985.80 e 771.50 384.83 a 157.00 8226.20
1969 290.92 e 235.00 321.88 a 691.11 c 871.10 a 1099.00 1263.00 1285.47 a 1054.66 a 751.00 370.50 263.50 a 8497.14
1970 177.00 308.00 a 382.85 a 509.00 891.50 1151.50 1302.50 1240.50 1023.50 652.50 446.50 301.00 8386.35
1971 296.50 242.00 500.50 570.50 854.00 1097.00 1296.00 1151.50 1039.50 678.00 419.00 213.00 8357.50
1972 206.00 282.00 627.50 646.50 860.25 a 1120.00 1293.50 1190.00 1017.00 791.02 a 287.50 232.50 8553.77
1973 134.50 234.50 215.00 k 0.00 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 369.00
Period of Record Statistics
MEAN 195.13 265.89 446.84 633.72 880.95 1128.67 1252.13 1190.58 1035.47 759.48 391.42 208.67 8412.04
S.D. 76.84 77.31 78.04 66.02 65.28 51.41 53.38 51.97 44.70 57.87 66.10 61.92 301.67
SKEW 0.07 -0.05 0.32 -0.12 -0.05 0.05 -2.17 -0.45 0.10 0.21 0.00 -0.03 -0.07
MAX 363.00 461.50 641.50 783.00 1019.00 1247.50 1321.50 1300.00 1120.00 951.50 524.50 350.50 9042.50
MIN 56.00 84.50 297.00 459.00 740.00 1009.50 977.00 1013.00 937.50 625.50 236.00 66.50 7676.50
NO YRS 70 69 69 68 68 69 69 69 68 67 68 70 64