GRANITE REEF DAM, ARIZONA

Monthly Total Growing Degree Days

(023621)

Base Temperature = 50 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 197909
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
1893 163.00 238.50 0.00 z 0.00 z 0.00 z 591.50 n 1338.50 1030.00 f 1025.00 801.00 372.50 203.00 f 3938.50
1894 89.50 87.00 349.00 632.50 849.50 934.50 0.00 z 1230.50 987.00 702.84 b 0.00 z 0.00 z 5862.34
1895 0.00 z 193.50 344.50 560.50 0.00 z 847.50 0.00 z 1079.46 c 1002.00 819.50 0.00 z 0.00 z 4846.96
1896 0.00 z 0.00 z 0.00 z 442.00 689.00 944.50 1088.62 a 1204.00 1038.60 e 797.73 a 0.00 z 0.00 z 6204.45
1897 0.00 z 0.00 z 124.50 f 571.00 857.15 a 989.50 1217.50 821.50 j 925.50 696.00 484.62 d 128.81 b 5870.08
1898 70.50 263.00 309.00 607.00 751.50 1012.24 a 1201.50 0.00 z 0.00 z 622.67 b 299.50 131.50 5268.41
1899 63.50 122.50 0.00 z 0.00 z 0.00 z 0.00 z 1163.65 d 1055.50 1046.50 604.00 451.50 231.95 c 4739.09
1900 187.79 e 157.00 445.50 487.00 751.00 968.00 1240.00 1056.00 831.00 686.50 373.50 156.50 7339.79
1901 129.00 164.00 276.50 460.34 a 769.50 951.00 1329.50 1235.00 930.00 706.50 454.50 103.33 a 7509.18
1902 164.00 172.50 250.50 336.00 m 792.00 1063.00 1148.50 1213.43 c 998.00 790.00 438.50 194.00 7224.43
1903 135.00 72.00 279.00 483.50 705.50 984.83 a 1241.00 1303.50 948.62 a 691.82 a 412.24 a 175.00 7432.01
1904 99.09 c 308.50 450.50 591.00 905.72 a 337.00 t 602.00 o 1201.50 962.50 719.00 359.50 f 167.00 5404.81
1905 202.00 220.00 346.50 483.50 645.00 1017.50 1244.00 1291.50 1068.50 714.00 371.00 81.50 7685.00
1906 149.00 263.00 358.50 468.00 729.50 1041.00 1314.50 1145.00 987.50 693.50 285.50 0.00 z 7435.00
1907 0.00 z 0.00 z 0.00 z 129.50 w 703.50 928.00 1259.00 1180.50 999.00 685.50 331.00 133.00 6219.50
1908 138.00 172.00 363.00 549.00 660.50 961.00 1205.50 1179.50 960.00 536.50 369.50 143.50 7238.00
1909 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 410.00 u 1175.50 959.50 685.50 336.00 54.00 3210.50
1910 135.50 140.50 502.00 638.50 898.00 1041.00 1226.50 1246.00 1098.00 733.50 333.00 185.00 8177.50
1911 228.00 98.50 416.00 506.00 721.00 1022.00 1132.00 1185.50 1034.00 648.00 260.00 51.50 7302.50
1912 121.50 172.50 268.15 a 387.00 727.47 a 1083.50 1118.50 1128.50 867.50 600.50 332.00 53.00 6860.12
1913 42.50 98.00 234.50 524.50 714.50 933.50 1146.50 1187.50 970.00 615.50 374.50 93.50 6935.00
1914 174.00 147.50 406.62 a 564.00 785.00 1035.50 1213.50 1209.00 1054.50 665.50 427.50 61.00 7743.62
1915 49.00 123.50 250.00 487.00 655.50 966.50 1168.50 1209.00 913.00 767.50 339.64 b 144.00 7073.14
1916 94.50 308.00 444.50 555.50 717.00 970.00 1198.00 1131.50 920.50 563.68 a 257.00 64.00 7224.18
1917 57.00 120.50 213.50 441.00 624.50 1020.50 1249.00 1140.00 1000.00 754.00 378.50 184.00 7182.50
1918 69.50 187.50 393.00 502.50 677.00 462.00 s 1278.50 784.00 j 741.00 h 724.50 308.00 75.00 4215.50
1919 98.50 51.00 224.00 568.00 789.50 1047.00 1188.50 1205.00 980.50 566.00 304.50 182.50 7205.00
1920 189.00 216.00 264.50 399.50 774.50 1002.50 1261.00 1172.50 921.00 540.00 292.00 68.00 7100.50
1921 120.50 210.00 g 456.50 498.21 b 611.00 990.50 1213.50 1162.50 1003.50 789.50 382.50 219.50 7447.71
1922 47.50 160.00 200.50 379.00 801.00 1049.00 1260.00 1244.00 789.00 g 699.50 199.00 180.00 6219.50
1923 218.00 208.00 269.50 499.50 827.00 907.50 1215.00 1162.00 934.50 595.00 319.50 111.00 7266.50
1924 61.00 231.00 179.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 143.78 b 614.78
1925 109.50 243.25 d 461.50 530.50 873.17 a 690.50 j 981.00 j 1355.50 947.50 584.87 a 268.97 a 78.00 5452.75
1926 22.00 137.00 289.50 f 507.93 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 173.71 b 840.64
1927 219.58 a 217.00 308.50 506.50 826.00 1026.50 1306.50 1216.50 1001.00 317.00 o 422.59 a 87.50 7138.17
1928 141.05 a 165.50 406.00 485.00 894.50 1022.00 1272.50 1180.50 1052.50 0.00 z 325.86 a 71.50 7016.91
1929 17.00 47.00 207.50 147.50 n 755.37 a 828.00 1246.72 a 1218.41 c 1022.59 a 0.00 z 0.00 z 199.84 c 5542.42
1930 73.00 247.50 f 321.50 595.50 623.50 1005.00 1191.95 a 611.50 m 389.00 p 598.00 103.00 x 111.00 i 4408.45
1931 146.65 e 218.75 d 299.15 a 566.00 809.00 954.50 1272.00 1109.28 a 984.00 639.50 183.50 m 51.50 j 6998.84
1932 2.50 p 112.00 196.00 h 445.50 672.18 a 760.50 g 1156.96 c 1143.38 a 969.50 555.42 a 156.50 p 9.50 j 5054.95
1933 52.00 56.00 228.62 c 351.00 451.05 a 474.50 k 1252.29 b 1157.00 953.00 0.00 z 314.46 b 92.00 4907.43
1934 56.00 w 283.00 577.63 a 695.00 988.00 950.50 1323.00 0.00 z 0.00 z 438.50 n 371.00 223.00 5411.13
1935 209.50 246.00 234.50 522.50 636.50 1070.00 1215.00 1144.00 1041.50 653.00 27.00 y 0.00 z 6972.50
1936 132.00 k 0.00 z 373.50 g 513.50 g 899.00 a 1125.00 1272.50 1263.50 1024.14 a 0.00 z 0.00 z 24.00 u 5584.14
1937 26.50 f 176.00 369.00 512.50 789.00 765.50 f 914.50 h 0.00 z 0.00 z 753.82 a 168.50 n 252.98 c 2853.30
1938 177.00 214.50 281.50 561.50 768.50 1015.00 1220.50 1227.00 1091.50 412.50 l 189.11 b 192.50 6938.61
1939 103.85 a 35.54 b 279.50 f 613.50 830.50 1014.50 1299.50 1230.46 e 979.50 662.00 268.00 o 314.65 a 7084.00
1940 191.00 163.50 416.50 569.00 930.00 1135.50 1263.50 1232.50 1032.50 710.00 139.50 m 206.00 7850.00
1941 146.00 204.30 a 257.50 354.50 774.00 921.00 1182.50 1116.50 895.50 557.00 178.50 n 160.00 6568.80
1942 164.50 93.50 276.00 260.50 n 0.00 z 0.00 z 1286.00 1143.00 977.00 641.50 274.50 j 165.00 4746.50
1943 89.00 255.50 350.50 592.00 794.00 521.00 l 1250.50 1111.50 987.00 668.50 387.12 d 136.50 6622.12
1944 97.00 107.00 216.50 383.04 b 749.50 878.00 1163.50 1213.50 956.00 757.00 231.00 155.00 6907.04
1945 115.00 171.50 232.00 470.00 734.50 894.50 1235.50 1179.00 971.50 720.50 267.50 38.00 m 6991.50
1946 75.00 127.00 363.50 701.00 767.50 1025.00 1257.57 a 1233.50 1044.50 557.00 235.50 218.50 7605.57
1947 79.50 284.50 407.00 526.50 874.50 991.50 1321.50 1176.50 1093.50 720.00 226.50 117.00 7818.50
1948 192.56 e 181.00 288.30 a 557.50 645.50 f 329.00 s 1229.27 e 1242.50 976.00 687.50 180.50 78.00 5613.13
1949 19.00 120.00 239.00 554.48 a 751.23 a 664.50 i 392.00 t 1130.50 1059.50 586.00 482.00 153.45 a 5095.17
1950 144.15 a 223.50 329.00 608.50 714.50 958.50 1113.00 1128.50 0.00 z 880.50 458.50 265.00 6823.65
1951 93.00 162.50 305.00 506.50 796.00 912.41 a 1273.67 b 990.00 f 342.50 s 723.00 303.10 a 114.50 5189.69
1952 76.00 110.50 116.50 f 503.50 849.92 a 992.22 c 1187.82 a 1219.00 1063.00 841.28 b 103.50 u 91.00 6934.23
1953 168.20 d 120.50 339.45 a 462.50 569.88 a 506.00 n 1007.50 f 1002.50 f 1021.80 e 641.91 b 310.00 f 71.00 3395.25
1954 103.33 d 334.96 a 292.95 a 613.80 e 782.20 c 950.50 1248.50 1143.12 c 1088.08 d 690.50 f 144.50 s 200.00 f 6557.44
1955 56.63 e 112.00 312.00 406.20 e 565.50 f 772.00 f 1101.69 e 1128.52 e 677.00 l 731.00 f 172.50 j 153.50 g 3117.05
1956 219.00 73.71 e 238.00 g 388.00 f 653.00 g 871.50 f 957.50 g 637.00 m 702.50 j 528.00 i 233.50 h 174.67 e 467.38
1957 114.50 h 350.58 d 378.56 e 520.80 e 210.00 w 842.00 f 939.00 h 871.00 i 788.00 f 513.00 h 93.50 l 146.73 a 1396.67
1958 47.00 m 111.00 i 118.50 j 335.00 f 680.50 i 606.50 n 1298.42 e 957.00 g 703.50 i 605.50 f 275.50 j 188.00 g 1298.42
1959 97.50 h 68.00 l 241.50 h 478.50 h 565.00 g 1104.00 e 807.00 l 1140.44 e 1013.40 e 548.00 f 118.50 r 113.50 g 3257.84
1960 39.50 g 16.00 j 332.50 f 420.00 f 538.50 j 784.50 h 798.00 k 1210.19 e 1078.20 e 372.00 p 230.50 j 117.00 f 2288.39
1961 169.00 f 172.26 e 327.29 e 370.50 i 0.00 z 0.00 z 1010.50 f 704.00 l 726.50 g 536.50 f 156.00 l 59.50 m 499.55
1962 83.00 f 143.00 f 142.00 g 387.00 l 0.00 z 0.00 z 0.00 z 903.50 j 576.50 m 676.04 e 201.00 g 87.00 f 676.04
1963 37.50 253.50 215.50 337.50 770.41 d 702.50 g 1288.71 c 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2903.12
1964 20.00 10.50 139.50 0.00 z 659.00 855.50 879.50 h 788.50 h 675.50 g 664.50 f 175.50 i 81.52 d 1766.02
1965 88.98 d 122.50 143.00 g 317.50 f 421.50 j 837.69 d 1161.43 b 805.00 j 953.08 d 827.00 359.42 d 67.96 e 4418.07
1966 8.00 7.50 291.00 482.00 789.00 1059.00 1253.50 1169.50 887.50 615.00 340.96 d 94.50 6997.46
1967 73.00 128.00 0.00 z 0.00 z 646.50 877.50 1157.50 430.00 t 981.50 566.00 f 408.21 b 40.00 4312.21
1968 45.00 82.77 e 242.00 0.00 z 708.50 1004.50 1068.93 d 995.50 950.00 0.00 z 280.00 i 96.00 5193.20
1969 103.50 136.50 174.93 c 528.00 815.50 907.50 1203.50 1308.50 1102.50 573.50 d 300.58 d 115.00 7269.51
1970 96.00 173.50 210.59 b 331.67 c 812.50 1023.10 a 1300.40 b 1265.83 a 912.50 532.88 b 316.80 e 105.50 7081.27
1971 162.00 135.50 361.50 474.00 662.50 970.00 1297.02 c 1169.00 983.50 555.00 261.00 76.50 7107.52
1972 71.50 222.50 548.50 531.50 791.50 1053.50 1289.50 1185.48 b 1004.00 610.00 176.50 92.50 7576.98
1973 64.50 152.50 126.50 376.61 b 836.50 1022.50 1208.00 1213.00 930.00 690.00 256.50 138.50 7015.11
1974 88.50 104.22 a 330.50 485.50 785.00 1116.00 1169.00 1122.00 995.50 715.00 295.50 34.00 7240.72
1975 97.00 115.50 217.00 324.00 707.00 958.00 1230.50 1180.50 999.00 655.50 302.00 145.50 6931.50
1976 177.22 a 252.50 225.50 h 270.00 n 471.50 m 618.00 k 664.50 n 1129.71 e 896.90 a 615.00 367.50 136.00 3574.82
1977 102.50 211.62 b 198.00 563.50 651.00 a 1072.50 1259.50 1218.00 1001.00 814.55 b 361.00 191.34 b 7644.51
1978 106.36 b 138.50 261.50 j 362.50 g 761.00 0.00 z 257.00 y 1187.54 e 1003.39 b 0.00 z 316.73 d 60.50 r 3513.52
1979 0.00 z 0.00 z 0.00 z 0.00 z 508.00 h 781.00 f 1095.16 b 1006.97 b 1014.00 0.00 z 0.00 z 0.00 z 3116.12
Period of Record Statistics
MEAN 111.80 166.18 311.77 506.81 756.36 987.38 1224.79 1180.29 989.92 675.52 331.16 134.37 7302.51
S.D. 56.65 74.47 95.30 84.76 92.60 71.08 63.55 65.11 57.75 84.69 75.65 60.05 318.49
SKEW 0.27 0.22 0.54 -0.21 -0.31 -0.21 -0.45 -0.27 -0.18 0.24 -0.01 0.55 0.83
MAX 228.00 350.58 577.63 701.00 988.00 1135.50 1338.50 1355.50 1102.50 880.50 484.62 314.65 8177.50
MIN 8.00 7.50 126.50 324.00 451.05 828.00 1068.93 995.50 831.00 532.88 176.50 34.00 6860.12
NO YRS 71 75 66 65 68 60 68 67 69 64 55 66 28