BAYVIEW MODEL BASIN, IDAHO

Monthly Total Growing Degree Days

(100667)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201304
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
1947 0.00 z 0.00 z 0.00 z 191.00 499.00 534.50 789.00 700.00 448.50 298.50 10.50 2.00 3473.00
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 684.00 466.00 150.00 6.50 0.00 1306.50
1949 0.00 2.50 11.50 190.00 447.50 591.00 754.00 0.00 z 436.03 a 101.00 63.00 14.50 2611.03
1950 0.50 0.00 4.65 a 80.00 286.50 538.89 c 733.31 b 728.50 a 468.50 177.50 39.00 12.00 3069.35
1951 8.00 20.00 0.00 z 171.00 360.50 511.50 775.00 745.00 492.50 198.50 24.00 7.00 3313.00
1952 0.00 0.50 36.00 193.50 402.00 577.50 643.50 f 759.00 579.00 274.00 18.50 1.00 2841.00
1953 27.50 19.50 27.00 131.50 315.50 467.00 784.50 761.00 524.00 247.00 54.50 0.00 3359.00
1954 3.00 7.00 8.50 h 114.00 345.00 439.50 750.50 636.00 441.00 85.00 48.62 a 0.00 2869.62
1955 0.00 0.00 i 4.43 c 48.50 250.00 546.50 669.50 723.50 455.00 198.50 18.50 1.50 2915.93
1956 0.00 b 1.00 18.17 b 164.50 364.50 513.00 782.00 685.50 454.00 166.00 4.00 f 4.50 n 3148.67
1957 0.00 11.00 7.50 132.00 469.00 579.50 687.00 619.00 477.50 164.00 5.00 2.50 3154.00
1958 0.00 9.50 20.50 93.50 566.50 639.00 783.50 879.00 487.00 179.50 37.50 9.00 3704.50
1959 5.50 0.00 4.50 118.50 217.50 540.00 284.00 o 619.00 346.50 125.00 29.00 3.50 2009.00
1960 4.00 0.00 28.00 62.50 219.50 533.50 850.50 651.50 415.50 146.00 9.00 0.00 2920.00
1961 13.00 11.00 26.50 100.50 252.65 a 578.00 841.65 a 891.50 389.50 134.33 a 3.50 0.50 3242.63
1962 1.00 4.67 a 10.85 a 168.00 253.00 293.50 k 673.00 657.00 436.00 185.50 50.00 1.50 2440.52
1963 4.00 4.50 36.50 91.50 339.00 542.00 654.00 687.50 497.00 228.50 25.00 0.00 3109.50
1964 0.00 0.00 0.50 94.00 292.50 552.50 716.50 556.50 317.50 145.00 19.50 1.50 2696.00
1965 0.00 4.50 0.00 132.50 327.57 a 545.00 736.00 733.00 223.00 h 190.65 a 47.00 1.50 2717.72
1966 0.00 0.00 42.00 121.00 397.00 465.52 a 747.00 718.00 576.00 169.00 5.00 4.00 3244.52
1967 1.00 4.00 11.50 53.00 345.50 613.00 813.00 836.00 605.00 171.00 26.00 0.00 3479.00
1968 6.00 14.50 34.50 96.50 326.00 545.00 747.00 665.50 414.00 82.50 1.00 1.00 2933.50
1969 0.00 0.00 10.00 99.50 413.50 642.93 a 681.00 666.00 478.00 87.50 11.00 0.00 3089.43
1970 0.00 0.00 a 13.50 61.50 370.45 a 650.00 805.50 705.25 a 326.50 94.50 18.00 0.00 3045.20
1971 16.00 5.50 10.50 91.50 369.50 463.00 711.50 812.50 297.00 117.50 11.00 0.00 2905.50
1972 1.50 15.00 27.50 86.50 389.00 521.50 711.00 785.00 387.00 103.00 6.00 14.00 3047.00
1973 0.00 0.00 19.00 115.50 380.00 552.00 770.50 762.50 421.50 142.50 16.50 5.00 3185.00
1974 14.00 0.00 11.00 128.50 258.00 679.00 736.50 718.17 a 447.00 110.05 a 14.50 2.00 3118.72
1975 0.00 1.00 1.00 39.31 a 338.02 e 479.00 860.50 618.50 392.00 162.50 51.00 13.50 2956.33
1976 0.00 0.00 2.00 107.00 340.50 410.17 a 690.50 644.50 482.00 147.50 30.50 0.00 2854.67
1977 0.00 11.00 10.50 172.00 290.50 438.00 k 735.50 812.72 a 330.00 109.00 23.00 9.50 2503.72
1978 0.00 1.00 78.00 128.50 316.50 579.00 761.00 685.50 422.00 141.50 22.24 a 0.00 3135.24
1979 0.00 0.00 a 17.50 85.00 362.00 566.50 0.00 z 753.30 a 491.54 d 238.91 b 8.00 5.50 2528.25
1980 0.00 0.00 1.50 195.00 138.00 s 0.00 z 0.00 z 598.00 452.00 156.00 55.50 26.50 1484.50
1981 1.00 14.50 24.00 130.50 301.50 411.50 618.50 746.00 0.00 z 101.00 30.00 4.00 2382.50
1982 0.00 a 3.77 b 16.00 62.00 275.50 611.00 625.50 688.00 304.00 i 34.00 z 0.00 z 0.00 z 2281.77
1983 7.00 2.50 32.50 91.50 375.50 489.00 572.50 748.50 342.00 128.00 69.50 0.00 2858.50
1984 8.50 0.00 17.00 124.00 248.00 482.50 766.45 b 773.00 367.00 126.00 13.50 0.00 2925.95
1985 0.00 0.00 7.50 155.50 373.03 a 0.00 z 568.50 k 610.00 319.50 112.00 23.00 0.00 1600.53
1986 2.00 19.50 52.50 95.00 353.00 646.00 623.00 791.50 341.90 a 138.50 16.00 0.00 3078.90
1987 0.50 0.00 28.50 214.00 440.50 572.50 715.50 581.50 454.50 129.50 55.00 19.00 3211.00
1988 0.00 0.00 z 23.00 191.50 337.00 563.50 727.00 748.00 429.00 273.00 42.00 4.00 3338.00
1989 3.50 0.00 15.50 151.00 296.00 620.50 739.00 652.50 420.00 163.50 53.50 4.00 3119.00
1990 4.00 3.50 18.50 207.50 279.00 500.50 788.00 767.50 564.00 139.50 46.00 0.00 3318.00
1991 1.00 4.50 0.00 129.50 298.00 453.00 777.00 799.50 501.00 176.00 23.50 6.00 3169.00
1992 3.00 2.50 22.00 184.00 465.00 683.00 718.50 728.50 351.00 208.50 10.50 0.00 3376.50
1993 0.00 0.00 11.00 99.50 523.00 555.00 557.50 683.00 430.00 233.00 11.00 0.50 3103.50
1994 3.00 0.00 39.00 219.50 409.50 482.50 848.00 826.50 547.50 174.50 0.00 0.50 3550.50
1995 7.00 45.00 23.50 111.00 456.00 540.00 778.00 600.50 509.00 121.50 75.00 7.00 3273.50
1996 5.00 14.50 7.50 126.00 154.00 507.00 775.00 682.00 385.00 139.50 0.00 0.00 2795.50
1997 4.00 0.00 19.00 58.50 383.00 557.00 780.00 822.00 503.50 178.50 24.50 0.00 3330.00
1998 0.00 2.50 53.00 216.00 499.50 608.50 949.50 848.50 603.00 143.00 24.00 0.00 3947.50
1999 0.00 0.50 29.50 99.50 311.55 a 541.00 703.00 742.50 383.00 132.50 57.50 2.00 3002.55
2000 0.00 0.00 2.50 161.50 318.00 494.48 a 733.00 759.50 370.00 0.00 z 1.55 a 0.00 a 2840.53
2001 0.00 0.00 7.50 78.00 374.00 458.79 a 707.00 714.03 a 507.50 61.50 37.76 a 0.00 2946.08
2002 1.50 8.08 b 1.50 99.00 254.50 501.50 772.00 684.00 386.00 60.00 7.50 8.50 2784.08
2003 3.50 0.00 33.50 95.50 299.00 589.50 835.50 771.00 483.50 184.00 3.00 0.00 3298.00
2004 0.00 0.00 7.50 k 0.00 z 321.50 515.00 781.00 751.50 356.50 124.00 0.00 3.50 2853.00
2005 7.50 0.50 49.00 186.00 433.50 499.50 0.00 z 745.00 337.00 f 208.00 8.50 0.00 2137.50
2006 1.50 3.50 10.50 178.00 399.42 e 593.65 d 938.35 e 734.50 507.00 181.00 49.00 0.00 3596.42
2007 0.00 0.50 75.50 168.50 340.00 532.50 926.00 753.50 451.50 190.50 45.50 12.50 3496.50
2008 0.00 5.37 b 1.50 91.00 8.50 z 169.50 x 830.50 777.00 443.50 191.50 69.00 0.50 2409.87
2009 2.00 0.00 11.37 a 131.50 344.00 611.00 793.50 761.00 579.50 92.50 18.50 0.00 3344.87
2010 0.00 4.00 29.00 148.50 248.50 514.50 751.00 784.50 457.50 194.00 30.00 2.00 3163.50
2011 10.33 a 6.00 20.00 64.14 a 330.00 491.50 719.00 845.50 539.00 148.50 5.50 4.50 3183.97
2012 2.00 0.00 27.00 149.00 287.00 460.50 769.12 b 697.50 432.00 154.50 51.00 9.82 a 3039.44
2013 1.50 0.00 16.00 6.00 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 17.50
Period of Record Statistics
MEAN 2.84 4.59 20.18 126.16 346.54 541.37 752.01 724.86 445.43 156.80 26.71 3.55 3162.77
S.D. 4.82 7.58 16.88 46.67 79.25 63.01 77.26 73.45 74.92 50.34 20.39 5.37 254.39
SKEW 2.83 2.93 1.38 0.25 0.41 0.16 0.08 -0.06 0.13 0.54 0.58 2.07 0.77
MAX 27.50 45.00 78.00 219.50 566.50 683.00 949.50 891.50 605.00 298.50 75.00 26.50 3947.50
MIN 0.00 0.00 0.00 39.31 154.00 410.17 557.50 556.50 297.00 60.00 0.00 0.00 2696.00
NO YRS 65 63 62 64 63 60 59 65 62 64 64 64 44