BRIGHT ANGEL RS, ARIZONA

Monthly Total Growing Degree Days

(021001)

Base Temperature = 40 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 109.50 u 397.50 698.00 511.00 249.50 56.00 0.00 0.00 d 1912.00
1926 0.00 c 0.00 j 0.00 e 11.00 171.50 417.00 527.52 a 546.00 375.50 138.50 1.00 0.00 r 2188.02
1927 0.00 z 3.00 z 0.00 z 0.00 z 154.50 i 380.17 a 577.12 a 495.00 307.00 85.00 2.50 0.00 1846.79
1928 1.00 0.00 z 6.00 76.00 262.00 372.50 654.50 360.50 h 357.50 90.50 1.50 0.00 p 1821.50
1929 0.00 k 0.00 s 0.00 p 16.61 b 271.50 522.00 649.50 609.00 412.50 87.50 i 10.00 f 0.00 z 2481.11
1930 0.00 h 0.00 l 6.00 i 108.33 c 162.50 551.00 629.00 587.50 395.89 b 106.00 1.50 j 0.00 y 2540.23
1931 0.00 u 0.00 i 27.00 f 95.00 c 270.22 a 551.79 b 752.50 633.00 449.50 195.62 b 30.60 e 0.00 s 2978.22
1932 0.00 n 0.00 u 0.00 k 33.00 i 216.48 a 487.50 693.37 a 659.00 499.14 a 159.00 4.50 0.00 z 2718.99
1933 0.00 c 0.00 k 0.00 p 30.00 a 168.71 e 576.21 a 725.83 b 628.55 b 528.10 a 194.00 f 30.00 f 1.50 z 2657.40
1934 0.00 e 3.00 r 16.00 p 91.00 l 423.00 393.00 781.64 c 562.00 f 385.96 d 225.86 c 47.00 0.00 s 2256.46
1935 0.00 n 0.00 y 0.00 k 13.50 i 115.39 d 453.00 g 711.45 a 651.50 448.50 165.50 0.00 0.00 q 2092.34
1936 0.00 z 0.00 n 2.50 f 115.50 332.14 c 660.00 e 722.50 641.00 397.00 127.00 0.00 0.00 b 2995.14
1937 0.00 0.00 u 0.55 c 20.17 a 297.37 d 435.50 593.00 0.00 z 0.00 z 207.50 17.50 0.00 a 1571.60
1938 0.00 0.00 b 0.00 61.61 b 218.07 b 429.50 665.00 680.50 476.00 155.50 0.00 1.00 2687.18
1939 0.00 0.00 a 3.50 102.50 338.00 536.00 792.00 691.50 413.04 b 117.00 14.00 23.00 3030.54
1940 0.00 0.00 a 26.02 c 68.50 361.50 619.50 751.50 708.87 a 438.50 195.30 a 7.50 1.50 3178.68
1941 0.00 a 0.00 c 0.00 b 8.50 231.98 a 419.00 646.50 628.27 a 382.00 97.43 c 46.00 6.20 a 2465.88
1942 1.72 d 0.00 0.00 b 76.00 297.50 622.00 741.50 631.00 448.00 166.50 31.03 a 4.00 3019.26
1943 8.27 a 1.08 b 1.00 h 0.00 z 226.50 h 456.50 695.50 603.00 452.00 165.50 62.50 2.50 2446.84
1944 2.50 6.50 4.13 a 17.22 c 303.00 397.50 678.50 685.00 498.50 199.00 26.00 3.32 c 2821.18
1945 7.50 5.00 10.50 113.50 342.00 401.50 460.50 j 612.50 484.50 150.00 46.50 5.50 2179.00
1946 0.50 8.00 7.50 u 0.00 z 233.02 a 563.50 655.28 b 607.00 473.00 61.50 29.00 50.50 2681.29
1947 0.00 14.00 57.50 156.00 367.72 b 462.50 679.00 591.00 540.00 192.50 19.00 2.00 3081.22
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 687.50 643.77 a 524.00 143.00 i 28.00 4.00 1887.27
1949 0.00 0.00 11.50 240.00 a 236.00 418.00 581.50 566.50 468.00 172.64 b 259.50 16.00 2969.64
1950 21.00 7.50 28.00 241.00 236.50 506.00 644.00 560.07 a 362.00 333.00 128.79 a 57.00 3124.86
1951 14.47 a 24.50 8.50 137.50 224.00 i 451.00 813.00 643.80 c 461.00 118.32 a 19.50 3.00 2694.59
1952 0.00 0.00 0.50 97.00 393.00 508.39 b 651.00 652.55 a 469.00 374.21 c 58.50 4.00 3208.16
1953 39.00 20.00 58.00 141.00 152.42 a 521.00 722.50 598.50 463.50 209.00 138.00 12.40 a 3075.32
1954 10.16 b 58.15 b 17.00 288.00 360.12 a 281.00 k 688.00 465.50 j 458.00 244.90 a 84.50 8.78 a 2217.61
1955 0.50 7.00 11.00 85.34 a 152.00 k 502.80 e 672.50 654.50 471.00 235.50 38.00 1.00 2679.14
1956 1.00 0.00 47.50 60.50 283.00 526.00 650.00 566.50 546.50 102.50 i 69.50 8.00 2758.50
1957 1.50 101.00 86.00 109.00 143.50 528.50 616.00 583.00 415.00 112.50 2.00 5.50 2703.50
1958 0.00 0.00 p 9.00 o 0.00 z 381.50 585.00 717.00 716.00 414.50 221.28 b 22.00 s 0.00 z 3035.28
1959 0.00 z 0.00 z 0.00 z 54.50 u 241.00 577.00 766.00 585.00 407.50 208.98 b 0.00 z 0.00 z 2785.48
1960 0.00 z 0.00 z 0.00 z 28.50 s 257.00 587.50 744.00 713.50 479.50 121.00 28.20 e 0.00 z 2930.70
1961 0.00 z 0.00 z 0.00 z 0.00 z 234.57 a 590.50 715.50 613.50 311.00 150.50 0.00 k 0.00 z 2615.57
1962 0.00 z 0.00 z 0.00 z 0.00 z 214.50 436.00 610.50 637.00 438.50 182.00 34.00 0.50 n 2552.50
1963 0.00 z 0.00 z 0.00 z 0.00 z 327.50 424.50 748.00 573.00 444.00 238.50 13.50 j 0.00 z 2755.50
1964 0.00 z 0.00 z 0.00 z 0.00 z 253.74 d 411.00 662.00 573.00 379.00 261.50 9.50 r 0.00 z 2540.24
1965 0.00 z 0.00 z 0.00 z 0.00 z 118.00 l 282.50 570.50 579.00 309.50 241.00 15.50 g 0.00 z 1982.50
1966 0.00 z 0.00 z 0.00 z 32.00 s 315.50 480.50 676.00 658.00 440.50 147.50 0.00 z 0.00 z 2718.00
1967 0.00 z 0.00 z 0.00 z 12.00 o 190.00 382.00 639.00 601.50 391.00 246.00 40.50 0.00 z 2490.00
1968 0.00 z 0.00 z 0.00 z 0.00 z 140.00 f 482.50 606.50 475.00 389.50 196.50 5.50 0.00 z 2155.50
1969 0.00 z 0.00 z 0.00 z 0.00 z 259.00 i 414.00 662.00 685.50 405.58 d 71.50 h 0.00 z 0.00 z 2167.08
1970 0.00 z 0.00 z 0.00 z 0.00 z 215.50 m 463.50 696.00 660.50 343.93 b 95.00 16.73 d 0.00 z 2275.66
1971 0.00 z 0.00 z 0.00 z 3.00 q 115.50 474.64 b 654.44 d 589.00 391.50 112.52 d 0.00 z 0.00 z 2337.61
1972 0.00 z 0.00 z 0.00 z 47.00 i 288.30 a 396.00 g 831.50 677.19 b 448.00 0.00 z 0.00 z 0.00 z 2244.99
1973 0.00 z 0.00 z 0.00 z 16.80 e 139.50 g 439.66 a 684.50 432.50 j 403.00 203.00 34.50 0.00 a 1781.46
1974 0.00 1.00 21.00 47.00 317.00 635.69 a 618.45 a 629.30 a 437.59 a 190.50 1.55 a 0.00 2899.08
1975 5.50 0.00 a 0.00 2.00 138.00 419.50 635.50 547.00 429.00 159.65 a 42.60 e 3.50 2382.25
1976 2.00 1.50 4.50 46.00 242.32 a 450.50 659.78 a 598.50 360.00 75.00 35.00 0.00 2475.10
1977 0.00 4.00 0.00 105.00 127.50 523.00 628.50 646.00 465.00 196.50 29.00 10.50 2735.00
1978 0.00 a 0.00 5.00 27.00 206.50 564.31 a 686.00 646.72 b 374.00 250.14 b 18.62 a 0.00 2778.29
1979 0.00 0.00 0.00 43.00 223.00 457.50 d 658.75 a 554.90 a 516.00 260.92 a 0.00 a 4.50 2718.57
1980 0.00 0.00 0.00 e 0.00 z 105.00 474.11 b 637.50 567.41 c 427.50 188.58 a 0.00 z 7.00 2407.10
1981 0.00 0.00 0.00 n 141.00 205.38 c 484.00 f 517.50 g 477.50 g 393.00 0.00 z 27.93 a 6.50 773.81
1982 1.50 0.00 z 0.00 z 0.00 z 0.00 z 417.00 600.50 590.00 379.50 68.00 0.00 z 0.00 2056.50
1983 0.50 0.00 5.50 20.00 i 180.00 438.00 653.50 562.00 468.50 83.00 k 17.00 0.00 2325.00
1984 0.00 0.00 1.00 38.00 408.50 449.00 644.00 577.00 439.50 70.00 25.00 0.00 2652.00
1985 0.00 0.00 2.50 100.50 283.00 561.50 692.50 644.00 309.50 128.50 11.50 0.50 2734.00
1986 1.00 13.00 40.00 56.50 156.50 m 341.00 j 310.00 n 397.00 l 135.00 m 55.00 3.00 0.00 168.50
1987 0.00 0.00 0.50 112.22 c 232.00 497.00 611.00 567.00 415.50 219.50 5.50 0.00 z 2660.22
1988 0.00 1.00 17.00 70.00 219.00 523.00 703.00 593.50 360.50 259.50 30.00 1.00 2777.50
1989 0.00 1.00 56.00 238.50 320.00 539.50 771.00 594.00 443.00 159.50 18.00 3.00 3143.50
1990 3.00 0.00 27.50 100.50 195.00 f 629.00 693.00 580.00 444.00 160.00 18.50 0.00 2655.50
1991 0.00 0.00 0.00 28.50 176.50 416.50 675.00 646.00 399.00 279.00 19.00 0.00 2639.50
1992 0.00 0.00 0.00 139.00 281.00 452.00 635.50 595.50 423.50 214.00 2.00 0.00 2742.50
1993 0.00 0.00 3.50 58.50 256.00 455.50 661.50 625.50 438.00 122.00 1.00 0.00 2621.50
1994 0.00 0.00 11.00 101.00 250.50 629.50 732.50 705.50 466.00 95.50 9.00 0.00 3000.50
1995 0.00 3.50 9.50 47.00 141.50 406.03 a 656.00 733.00 464.50 179.50 64.50 5.50 2710.53
1996 0.00 18.50 9.50 116.00 431.70 d 622.00 803.00 738.50 397.00 205.63 a 29.00 0.00 3370.84
1997 1.00 1.50 37.50 78.00 388.50 509.00 674.00 649.00 440.50 125.50 28.00 0.00 2932.50
1998 0.00 0.00 20.00 28.00 190.13 a 425.69 a 718.00 673.50 428.00 108.50 24.50 1.00 2617.32
1999 1.79 e 0.00 21.50 g 67.50 b 226.50 449.50 630.50 584.87 a 399.50 210.28 a 79.82 b 0.00 a 2650.26
2000 5.34 b 0.00 a 2.58 a 182.14 b 443.82 a 619.50 787.50 692.50 521.50 143.00 0.00 f 0.00 z 3397.89
2001 0.00 c 0.00 c 11.22 b 97.24 a 401.40 b 594.00 698.00 640.50 500.00 216.00 21.96 b 0.00 z 3180.33
2002 0.53 b 0.00 z 16.50 159.50 342.50 663.50 806.50 719.50 442.00 101.50 12.50 0.00 3264.53
2003 3.00 0.00 4.50 54.00 388.50 644.50 900.50 735.00 591.50 373.50 2.00 1.00 3698.00
2004 0.00 0.00 110.00 0.00 z 0.00 z 651.00 756.50 689.50 426.50 119.00 0.00 e 0.00 2752.50
2005 3.50 0.00 0.50 27.00 350.00 0.00 z 824.00 646.50 489.50 189.00 58.50 0.00 f 2588.50
2006 1.50 3.00 5.00 114.50 423.50 537.50 f 738.50 585.50 302.00 111.00 0.00 z 0.00 j 2284.50
2007 0.00 0.00 z 0.00 z 34.50 n 204.00 n 633.60 e 818.00 705.50 489.50 142.50 h 53.50 g 2.21 c 2648.81
2008 0.00 0.00 h 7.50 g 46.00 o 148.50 k 578.50 739.00 710.50 446.00 188.00 0.00 z 0.00 e 2662.00
2009 0.00 1.83 e 18.50 j 0.00 z 137.50 t 0.00 z 793.50 539.00 f 473.50 107.31 e 55.00 h 0.00 v 1376.13
2010 0.00 e 0.00 e 6.64 c 37.50 189.00 568.00 739.50 643.00 534.00 159.00 28.20 e 0.00 2904.84
2011 3.21 b 0.00 c 16.03 b 68.50 g 49.50 y 0.00 z 721.00 788.90 b 426.50 151.68 c 3.75 b 0.00 d 2111.07
2012 0.00 0.00 a 19.63 a 119.46 b 365.36 c 622.00 677.35 a 692.00 436.00 195.00 20.50 0.00 a 3147.30
2013 0.00 0.00 20.31 b 0.50 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 20.31
Period of Record Statistics
MEAN 2.19 5.50 15.94 89.03 267.55 502.09 691.87 628.80 430.73 171.10 30.28 4.58 2880.18
S.D. 5.88 16.05 22.54 62.74 88.26 86.06 67.89 59.44 60.38 67.13 39.52 10.37 279.08
SKEW 4.56 4.63 2.27 1.11 0.15 0.13 0.43 0.08 -0.27 0.64 3.47 3.92 0.65
MAX 39.00 101.00 110.00 288.00 443.82 663.50 900.50 788.90 591.50 374.21 259.50 57.00 3698.00
MIN 0.00 0.00 0.00 2.00 105.00 282.50 527.52 475.00 249.50 55.00 0.00 0.00 2382.25
NO YRS 65 55 54 57 69 78 85 80 86 79 68 58 33