BRIGHT ANGEL RS, ARIZONA

Monthly Total Growing Degree Days

(021001)

Base Temperature = 50 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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
1925 0.00 z 0.00 z 0.00 z 0.00 z 14.50 u 150.50 388.00 201.00 29.50 3.50 0.00 0.00 d 772.50
1926 0.00 c 0.00 j 0.00 e 0.00 5.50 118.50 218.55 a 236.00 98.00 3.00 0.00 0.00 r 679.55
1927 0.00 z 0.00 z 0.00 z 0.00 z 21.00 i 113.28 a 267.12 a 186.00 69.00 0.50 0.00 0.00 635.89
1928 0.00 0.00 z 0.00 8.50 48.50 95.50 344.50 131.00 h 66.50 1.00 0.00 0.00 p 564.50
1929 0.00 k 0.00 s 0.00 p 0.00 b 33.00 229.00 339.50 299.00 119.00 10.00 i 0.00 f 0.00 z 1019.50
1930 0.00 h 0.00 l 0.00 i 1.11 c 34.00 262.50 319.00 277.50 135.54 b 5.50 0.00 j 0.00 y 1035.15
1931 0.00 u 0.00 i 1.00 f 5.00 c 37.20 a 256.07 b 442.50 331.00 166.50 32.07 b 0.00 e 0.00 s 1270.34
1932 0.00 n 0.00 u 0.00 k 0.00 i 15.50 a 235.50 383.37 a 350.50 209.48 a 14.00 0.00 0.00 z 1208.35
1933 0.00 c 0.00 k 0.00 p 0.00 a 33.38 e 278.79 a 415.83 b 318.55 b 228.10 a 30.00 f 0.00 f 0.00 z 1274.66
1934 0.00 e 0.00 r 0.00 p 6.00 l 143.50 118.50 471.64 c 312.00 f 138.46 d 30.45 c 3.50 0.00 s 906.05
1935 0.00 n 0.00 y 0.00 k 0.00 i 1.72 d 223.00 g 401.45 a 341.50 168.50 12.00 0.00 0.00 q 925.17
1936 0.00 z 0.00 n 0.00 f 3.50 64.77 c 365.40 e 412.50 331.00 130.00 5.50 0.00 0.00 b 1312.67
1937 0.00 0.00 u 0.00 c 0.00 a 49.37 d 159.00 283.50 0.00 z 0.00 z 6.50 0.00 0.00 a 498.37
1938 0.00 0.00 b 0.00 0.00 b 60.40 b 140.50 355.00 370.50 176.00 20.50 0.00 0.00 1122.90
1939 0.00 0.00 a 0.00 4.50 69.50 246.50 482.00 381.50 125.89 b 1.00 0.00 0.00 1310.89
1940 0.00 0.00 a 0.00 c 0.00 78.00 320.00 441.50 398.87 a 143.50 9.30 a 0.00 0.00 1391.17
1941 0.00 a 0.00 c 0.00 b 0.00 26.35 a 147.50 336.50 318.27 a 127.50 0.00 c 0.00 0.00 a 956.12
1942 0.00 d 0.00 0.00 b 0.00 88.50 322.00 431.50 321.00 152.00 15.00 0.00 a 0.00 1330.00
1943 0.00 a 0.00 b 0.00 h 0.00 z 59.00 h 182.00 385.50 293.00 169.50 4.00 0.00 0.00 1034.00
1944 0.00 0.00 0.00 a 0.00 c 62.50 124.00 368.50 375.00 200.00 24.00 0.00 0.00 c 1154.00
1945 0.00 0.00 0.00 19.00 86.50 121.50 250.50 j 302.50 226.50 13.00 0.00 0.00 769.00
1946 0.00 0.00 0.00 u 0.00 z 22.73 a 263.50 345.28 b 297.00 177.50 1.00 0.00 0.00 1107.01
1947 0.00 0.00 0.00 27.00 112.78 b 178.50 369.00 281.00 240.00 44.50 0.00 0.00 1252.78
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 377.50 333.77 a 227.00 10.50 i 0.00 0.00 938.27
1949 0.00 0.00 0.00 60.52 a 33.00 154.50 272.00 256.50 172.00 11.76 b 35.50 0.00 995.78
1950 0.00 0.00 0.50 39.50 29.50 218.00 334.00 250.07 a 104.50 53.50 4.14 a 0.50 1034.20
1951 0.00 a 0.00 0.00 7.50 70.00 i 179.00 503.00 333.80 c 166.00 5.17 a 0.00 0.00 1194.47
1952 0.00 0.00 0.00 0.00 113.00 212.14 b 341.00 342.55 a 177.00 81.38 c 0.00 0.00 1267.07
1953 0.00 0.00 0.50 9.50 24.28 a 228.50 412.50 288.50 165.00 24.00 3.00 0.00 a 1155.78
1954 0.00 b 0.00 b 0.00 62.50 85.77 a 96.00 k 378.00 255.50 j 175.00 37.72 a 0.00 0.00 a 738.98
1955 0.00 0.00 0.00 1.03 a 17.00 k 225.60 e 362.50 344.50 191.50 13.50 0.00 0.00 1138.63
1956 0.00 0.00 0.00 0.50 47.50 226.00 340.00 256.50 246.50 7.50 i 0.00 0.00 1117.00
1957 0.00 9.50 3.00 2.00 12.50 235.50 306.00 273.50 127.50 11.50 0.00 0.00 981.00
1958 0.00 0.00 p 0.00 o 0.00 z 117.00 285.00 407.00 406.00 147.50 14.43 b 0.00 s 0.00 z 1376.93
1959 0.00 z 0.00 z 0.00 z 4.50 u 38.50 277.00 456.00 275.00 141.00 26.72 b 0.00 z 0.00 z 1214.22
1960 0.00 z 0.00 z 0.00 z 2.50 s 42.50 287.50 434.00 403.50 180.00 10.00 0.00 e 0.00 z 1357.50
1961 0.00 z 0.00 z 0.00 z 0.00 z 27.38 a 301.50 405.50 303.50 55.00 6.50 0.00 k 0.00 z 1099.38
1962 0.00 z 0.00 z 0.00 z 0.00 z 39.50 161.00 300.50 327.00 145.50 10.00 0.00 0.00 n 983.50
1963 0.00 z 0.00 z 0.00 z 0.00 z 58.50 153.50 438.00 263.00 150.00 27.50 0.00 j 0.00 z 1090.50
1964 0.00 z 0.00 z 0.00 z 0.00 z 45.93 d 127.50 352.00 263.00 98.50 46.00 0.00 r 0.00 z 932.93
1965 0.00 z 0.00 z 0.00 z 0.00 z 5.50 l 48.00 260.50 269.00 73.00 33.00 0.00 g 0.00 z 683.50
1966 0.00 z 0.00 z 0.00 z 0.00 s 61.50 186.50 366.00 348.00 148.00 1.00 0.00 z 0.00 z 1111.00
1967 0.00 z 0.00 z 0.00 z 0.00 o 31.00 114.50 329.00 291.50 98.50 19.50 0.00 0.00 z 884.00
1968 0.00 z 0.00 z 0.00 z 0.00 z 17.00 f 217.50 296.50 173.50 114.00 11.00 0.00 0.00 z 812.50
1969 0.00 z 0.00 z 0.00 z 0.00 z 51.50 i 128.00 352.00 375.50 115.96 d 12.50 h 0.00 z 0.00 z 971.46
1970 0.00 z 0.00 z 0.00 z 0.00 z 49.50 m 183.50 386.00 350.50 86.25 b 1.50 0.00 d 0.00 z 1007.75
1971 0.00 z 0.00 z 0.00 z 0.00 q 0.00 201.43 b 344.44 d 279.00 141.50 4.02 d 0.00 z 0.00 z 970.39
1972 0.00 z 0.00 z 0.00 z 0.00 i 60.45 a 167.50 g 521.50 367.19 b 149.50 0.00 z 0.00 z 0.00 z 1098.64
1973 0.00 z 0.00 z 0.00 z 0.00 e 7.50 g 164.48 a 374.50 222.50 j 119.00 20.50 0.00 0.00 a 678.48
1974 0.00 0.00 0.00 0.00 65.00 335.69 a 308.45 a 319.30 a 153.62 a 21.00 0.00 a 0.00 1203.06
1975 0.00 0.00 a 0.00 0.00 6.50 133.50 325.50 237.00 132.50 13.43 a 0.00 e 0.00 848.43
1976 0.00 0.00 0.00 0.00 26.35 a 167.50 349.78 a 288.50 93.50 0.00 0.00 0.00 925.63
1977 0.00 0.00 0.00 1.00 11.50 224.00 318.50 336.00 174.50 5.00 0.00 0.00 1070.50
1978 0.00 a 0.00 0.00 0.00 23.00 265.34 a 376.00 336.72 b 127.00 38.48 b 0.00 a 0.00 1166.55
1979 0.00 0.00 0.00 0.00 27.00 174.81 d 348.75 a 253.17 a 216.00 54.77 a 0.00 a 0.00 1074.49
1980 0.00 0.00 0.00 e 0.00 z 5.50 189.64 b 327.50 257.41 c 135.00 53.22 a 0.00 z 0.00 968.27
1981 0.00 0.00 0.00 n 11.50 28.23 c 248.50 f 277.50 g 237.50 g 97.50 0.00 z 0.00 a 0.00 137.23
1982 0.00 0.00 z 0.00 z 0.00 z 0.00 z 141.50 290.50 280.00 125.00 0.00 0.00 z 0.00 837.00
1983 0.00 0.00 0.00 0.00 i 44.50 152.50 343.50 252.00 180.50 0.00 k 0.00 0.00 973.00
1984 0.00 0.00 0.00 0.00 137.50 161.00 334.00 267.00 151.00 0.00 0.00 0.00 1050.50
1985 0.00 0.00 0.00 0.00 47.00 267.00 382.50 334.00 77.00 6.50 0.00 0.00 1114.00
1986 0.00 0.00 0.00 2.50 35.00 m 141.00 j 140.00 n 207.00 l 32.00 m 0.00 0.00 0.00 2.50
1987 0.00 0.00 0.00 6.11 c 13.50 197.00 301.00 257.00 124.50 33.00 0.00 0.00 z 932.11
1988 0.00 0.00 0.00 0.50 36.50 226.50 393.00 283.50 101.50 21.00 0.00 0.00 1062.50
1989 0.00 0.00 1.00 40.00 84.50 241.50 461.00 284.00 155.00 12.50 0.00 0.00 1279.50
1990 0.00 0.00 0.00 6.00 22.00 f 332.50 383.00 270.00 160.50 1.50 0.00 0.00 1153.50
1991 0.00 0.00 0.00 0.00 17.00 130.50 365.00 336.00 106.50 59.00 0.00 0.00 1014.00
1992 0.00 0.00 0.00 14.50 36.50 155.50 325.50 285.50 126.50 11.00 0.00 0.00 955.00
1993 0.00 0.00 0.00 0.00 31.50 183.50 351.50 315.50 156.50 15.50 0.00 0.00 1054.00
1994 0.00 0.00 0.00 12.00 37.50 329.50 422.50 395.50 172.00 5.00 0.00 0.00 1374.00
1995 0.00 0.00 0.00 0.00 9.00 146.90 a 346.00 423.00 178.00 1.50 0.00 0.00 1104.40
1996 0.00 0.00 0.00 12.50 153.85 d 322.00 493.00 428.50 132.00 40.82 a 0.00 0.00 1582.67
1997 0.00 0.00 0.00 0.00 101.00 217.00 364.00 339.00 157.50 4.00 0.00 0.00 1182.50
1998 0.00 0.00 0.00 0.00 30.48 a 148.45 a 408.00 363.50 132.00 9.00 0.00 0.00 1091.43
1999 0.00 e 0.00 0.00 g 0.00 b 23.00 196.50 320.50 274.87 a 104.50 14.47 a 0.00 b 0.00 a 933.83
2000 0.00 b 0.00 a 0.00 a 13.39 b 173.08 a 319.50 477.50 382.50 237.00 27.50 0.00 f 0.00 z 1630.48
2001 0.00 c 0.00 c 0.00 b 3.62 a 128.81 b 295.50 388.00 330.50 200.00 22.00 0.00 b 0.00 z 1368.43
2002 0.00 b 0.00 z 0.00 12.50 100.00 363.50 496.50 409.50 153.00 0.00 0.00 0.00 1535.00
2003 0.00 0.00 0.00 0.00 163.50 344.50 590.50 425.00 291.50 88.00 0.00 0.00 1903.00
2004 0.00 0.00 5.50 0.00 z 0.00 z 351.00 446.50 379.50 167.00 1.00 0.00 e 0.00 1350.50
2005 0.00 0.00 0.00 0.00 129.00 0.00 z 514.00 336.50 193.50 34.50 1.00 0.00 f 1208.50
2006 0.00 0.00 0.00 3.00 135.00 297.50 f 428.50 275.50 67.00 20.50 0.00 z 0.00 j 929.50
2007 0.00 0.00 z 0.00 z 4.50 n 51.00 n 345.60 e 508.00 395.50 221.50 12.00 h 2.00 g 0.00 c 1470.60
2008 0.00 0.00 h 0.00 g 4.50 o 42.00 k 287.00 429.00 400.50 146.50 8.50 0.00 z 0.00 e 1271.50
2009 0.00 0.00 e 0.00 j 0.00 z 34.00 t 0.00 z 483.50 289.00 f 177.00 4.77 e 1.00 h 0.00 v 665.27
2010 0.00 e 0.00 e 0.00 c 0.00 14.50 273.50 429.50 333.00 234.00 23.50 3.60 e 0.00 1311.60
2011 0.00 b 0.00 c 0.00 b 0.00 g 20.00 y 0.00 z 411.00 478.90 b 139.00 8.30 c 0.00 b 0.00 d 1037.20
2012 0.00 0.00 a 0.00 a 11.79 b 99.64 c 322.00 367.35 a 382.00 138.50 22.00 0.00 0.00 a 1343.28
2013 0.00 0.00 0.00 b 0.00 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
Period of Record Statistics
MEAN 0.00 0.17 0.19 7.06 56.25 216.50 381.89 319.14 149.39 17.69 0.75 0.01 1171.60
S.D. 0.00 1.28 0.85 13.68 43.54 75.97 67.84 59.03 47.73 18.44 4.36 0.07 206.28
SKEW 0.00 7.21 5.24 2.76 0.98 0.23 0.44 0.11 0.23 1.65 7.62 7.42 1.45
MAX 0.00 9.50 5.50 62.50 173.08 365.40 590.50 478.90 291.50 88.00 35.50 0.50 1903.00
MIN 0.00 0.00 0.00 0.00 0.00 48.00 218.55 173.50 29.50 0.00 0.00 0.00 848.43
NO YRS 65 55 54 57 69 78 85 80 86 79 68 58 33