JEROME, IDAHO

Monthly Total Growing Degree Days

(104670)

Base Temperature = 50 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
1915 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 129.50 m 127.50 4.00 0.00 131.50
1916 0.00 0.00 7.00 71.50 128.50 321.50 616.00 563.50 297.00 33.00 2.00 0.00 a 2040.00
1917 0.00 0.00 0.00 9.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 10.00 0.00 b 19.50
1918 0.00 0.00 11.00 48.89 c 129.50 635.00 736.77 a 498.14 b 283.00 f 110.50 0.00 0.00 b 2169.79
1919 0.00 a 0.00 a 3.50 95.69 a 292.29 c 484.14 a 424.50 m 710.33 b 373.50 9.09 b 0.00 0.00 b 1968.53
1920 0.00 a 0.00 0.00 15.54 b 162.75 c 420.00 b 772.23 c 634.50 362.07 a 101.78 a 0.00 c 0.00 2468.87
1921 0.00 c 0.00 a 2.00 u 11.67 c 173.50 470.50 681.50 647.50 170.50 120.00 4.50 0.00 2279.67
1922 0.00 d 0.00 m 1.00 4.50 169.00 508.50 645.00 673.50 357.50 152.00 0.00 0.00 2511.00
1923 0.00 0.00 n 6.50 42.41 a 223.00 345.50 752.00 620.00 412.50 50.00 0.00 0.00 2451.91
1924 0.00 0.00 0.00 42.00 372.50 479.50 739.00 652.00 408.50 88.00 8.50 0.00 2790.00
1925 0.00 0.00 5.50 83.50 337.50 432.50 831.00 611.00 316.00 19.00 0.00 0.00 2636.00
1926 0.00 0.00 12.00 185.00 300.00 615.50 807.50 730.50 214.50 124.50 1.00 0.00 2990.50
1927 0.00 0.00 0.00 81.00 164.50 491.00 749.00 638.00 282.00 159.50 7.50 0.00 2572.50
1928 0.00 0.00 22.50 56.50 134.50 o 177.32 b 759.00 619.50 356.90 a 94.07 b 0.00 z 0.00 2085.79
1929 0.00 0.00 0.00 20.50 256.30 c 434.42 d 0.00 z 786.50 240.00 138.50 0.00 0.00 a 1876.23
1930 0.00 1.50 0.50 170.00 197.00 455.50 814.50 763.00 361.50 45.00 4.50 0.00 2813.00
1931 0.00 0.00 b 7.00 83.50 335.00 577.76 a 842.74 d 728.50 380.50 110.10 b 35.00 0.00 3100.10
1932 0.00 0.00 2.50 64.00 200.00 399.50 706.50 570.50 387.00 98.00 4.50 0.00 2432.50
1933 0.00 0.00 1.00 63.50 161.00 620.50 835.50 665.00 340.00 197.50 0.00 0.00 2884.00
1934 0.00 3.50 2.00 t 225.50 479.00 431.50 817.00 766.00 357.00 192.00 45.50 0.00 3317.00
1935 0.00 0.00 7.00 49.50 158.50 461.00 744.00 692.50 450.50 150.50 0.00 0.00 2713.50
1936 0.00 0.00 0.00 190.50 396.50 577.00 860.25 c 701.50 328.97 a 127.00 0.00 z 0.00 3181.72
1937 0.00 0.00 0.00 40.50 i 315.50 409.66 a 789.00 660.00 479.50 61.50 r 0.00 s 0.00 2653.66
1938 0.00 0.00 0.50 36.50 f 269.81 d 503.00 730.50 690.00 550.50 127.00 0.00 0.00 2871.31
1939 0.00 0.00 9.50 110.00 348.00 395.00 735.00 723.00 405.00 75.50 1.50 1.00 2803.50
1940 0.00 0.00 17.00 66.50 383.00 623.50 784.50 735.00 368.00 124.50 3.00 0.00 3105.00
1941 0.00 0.00 15.00 59.50 j 323.00 456.50 815.50 680.00 234.50 65.00 7.00 0.00 2596.50
1942 0.00 0.00 1.50 118.00 149.50 359.50 806.00 696.00 409.50 154.50 0.00 0.00 b 2694.50
1943 0.00 0.00 13.50 152.00 185.50 318.00 692.50 619.00 419.50 170.50 3.50 0.00 2574.00
1944 0.00 0.00 0.00 34.00 267.50 296.50 671.50 603.50 378.50 222.00 0.00 0.00 2473.50
1945 0.00 0.00 0.00 43.50 187.00 302.00 743.00 697.00 288.00 142.00 0.00 0.00 2402.50
1946 0.00 0.00 2.50 123.50 182.00 441.00 407.00 n 700.50 348.00 12.00 0.00 0.00 1809.50
1947 0.00 0.00 10.50 65.50 361.00 330.50 789.00 650.00 365.50 131.00 4.50 0.00 2707.50
1948 0.00 0.00 0.00 47.00 241.00 475.50 634.50 611.00 333.00 119.00 0.00 0.00 2461.00
1949 0.00 0.00 1.00 109.50 266.50 418.00 468.00 j 682.52 a 421.00 31.00 b 10.00 0.00 1939.52
1950 0.00 0.00 2.50 29.00 135.00 349.00 613.00 289.50 p 60.00 v 170.00 0.52 a 0.00 1299.02
1951 0.00 0.00 0.00 48.00 209.00 359.00 779.00 609.67 a 353.00 75.50 0.00 0.00 2433.17
1952 0.00 0.00 0.00 113.00 258.50 418.50 668.00 644.50 416.50 182.00 0.00 0.00 2701.00
1953 0.00 2.50 9.50 59.50 76.98 a 307.50 735.50 636.00 418.00 155.00 12.00 0.00 c 2412.48
1954 0.00 0.00 3.62 a 58.50 314.50 338.50 734.00 555.00 361.00 85.80 c 7.24 a 0.00 2458.16
1955 0.00 0.00 0.00 a 15.00 166.37 a 466.07 b 646.50 744.50 322.00 142.08 a 3.50 0.00 2506.02
1956 0.00 0.00 17.50 77.59 a 285.00 470.00 c 742.00 575.00 392.59 a 87.50 0.00 0.00 2647.17
1957 0.00 0.00 0.00 29.50 244.50 468.00 718.00 649.50 415.50 73.50 0.00 0.00 e 2598.50
1958 0.00 1.50 0.00 33.50 438.00 474.50 681.00 754.50 361.00 165.50 8.50 0.00 2918.00
1959 0.00 0.00 1.00 103.00 114.00 566.50 759.50 582.50 284.00 96.00 0.00 0.00 2506.50
1960 0.00 0.00 25.50 87.50 201.00 534.50 839.50 562.00 432.50 105.00 4.00 0.00 2791.50
1961 0.00 1.50 8.50 48.50 281.50 641.00 783.00 802.50 218.50 99.00 0.00 0.00 2884.00
1962 0.00 a 0.00 0.50 126.00 143.50 441.00 636.00 571.50 386.00 97.50 5.50 0.00 2407.50
1963 0.00 0.50 8.00 41.00 274.50 328.00 661.50 700.00 528.00 230.00 3.50 0.00 2775.00
1964 0.00 0.00 0.50 29.50 239.50 352.00 751.00 594.00 248.50 142.50 3.50 2.00 2363.00
1965 0.00 0.00 8.50 84.50 155.50 427.00 665.50 595.00 198.00 180.00 19.00 0.00 2333.00
1966 0.00 0.00 16.00 58.50 363.50 458.50 743.00 695.00 484.50 82.50 4.50 0.00 2906.00
1967 0.00 0.00 6.50 3.50 264.00 409.00 811.00 845.00 522.50 100.50 13.00 0.00 2975.00
1968 0.00 0.00 12.50 49.50 244.00 485.50 807.00 501.00 343.00 96.50 0.00 0.00 2539.00
1969 0.00 0.00 5.50 103.00 358.50 454.00 746.50 759.50 475.00 35.00 2.00 0.00 2939.00
1970 0.00 a 0.00 0.00 17.00 235.00 503.50 753.00 770.00 242.50 77.00 0.00 b 0.00 2598.00
1971 0.00 0.00 0.50 36.00 263.50 428.50 729.50 820.50 272.00 114.50 2.50 0.00 2667.50
1972 0.00 0.00 45.50 27.00 296.00 530.50 714.00 736.50 279.00 122.50 0.00 0.00 2751.00
1973 0.00 0.00 0.00 31.50 310.50 511.00 758.50 713.50 373.50 153.00 13.50 0.00 2865.00
1974 0.00 0.00 9.50 63.00 219.50 654.50 755.50 658.00 443.00 146.00 0.00 0.00 2949.00
1975 0.00 0.00 0.00 0.50 135.50 355.50 817.50 540.00 396.00 109.00 5.50 0.00 2359.50
1976 0.00 0.00 0.00 15.00 a 256.00 364.00 712.00 521.00 394.82 b 92.00 9.00 0.00 2363.82
1977 0.00 0.00 0.00 148.50 96.50 609.00 672.00 680.00 326.90 a 107.00 0.00 0.00 2639.90
1978 0.00 0.00 46.50 28.50 140.50 420.00 701.00 562.00 289.00 104.00 0.00 0.00 2291.50
1979 0.00 0.00 a 0.00 45.50 251.50 479.50 725.00 640.50 457.50 174.50 0.00 0.00 2774.00
1980 0.00 2.00 0.00 141.00 208.00 395.00 693.50 562.65 a 333.50 136.50 27.00 0.00 2499.15
1981 0.00 0.00 0.00 89.00 173.50 417.93 a 673.50 775.00 416.00 27.38 a 5.50 0.00 2577.81
1982 0.00 0.00 0.00 31.00 152.50 432.00 599.00 687.00 305.00 51.50 0.00 0.00 2258.00
1983 0.00 0.00 5.50 25.50 207.00 380.00 571.50 735.00 343.50 71.00 17.50 0.00 2356.50
1984 0.00 0.00 0.00 35.50 176.00 305.50 709.00 710.00 297.00 91.00 1.00 0.00 2325.00
1985 0.00 0.00 0.00 113.50 307.50 502.50 866.00 583.50 165.00 57.00 0.00 0.00 2595.00
1986 0.00 7.50 28.50 26.50 231.50 597.00 614.00 766.00 239.50 83.50 0.00 0.00 a 2594.00
1987 0.00 0.00 1.00 0.00 z 346.50 556.00 621.00 632.00 431.00 161.00 6.50 0.00 2755.00
1988 0.00 0.50 6.50 111.00 237.00 579.50 761.00 654.50 289.00 244.00 10.00 0.00 2893.00
1989 0.00 0.00 2.50 108.50 170.00 456.50 798.00 587.50 367.50 94.50 0.00 0.00 2585.00
1990 0.00 0.00 11.00 142.00 145.50 435.50 765.00 686.50 556.50 96.00 3.00 0.00 2841.00
1991 0.00 0.00 0.00 36.00 98.50 362.00 761.57 a 770.50 415.50 162.50 0.00 0.00 2606.57
1992 0.00 0.00 22.00 145.00 374.00 521.00 600.50 677.00 308.50 155.00 0.00 0.00 2803.00
1993 0.00 0.00 3.50 8.00 353.00 305.00 416.00 506.00 318.00 116.00 0.00 0.00 2025.50
1994 0.00 0.00 14.50 106.50 281.50 469.00 768.00 751.00 435.50 42.00 0.00 0.00 2868.00
1995 0.00 1.00 1.50 28.50 139.50 333.00 651.00 644.50 421.00 49.00 1.50 0.50 2271.00
1996 0.00 0.00 7.00 53.50 164.00 500.50 777.50 681.00 290.50 182.00 0.50 0.00 2656.50
1997 0.50 0.00 21.50 49.00 349.00 457.00 633.50 720.50 455.50 91.50 6.50 0.00 2784.50
1998 0.00 0.00 4.50 66.00 173.00 301.50 836.50 753.50 502.50 69.00 0.00 0.00 2706.50
1999 0.00 0.00 a 15.00 34.00 184.50 414.50 651.52 a 718.00 324.50 119.00 30.50 0.50 2492.02
2000 0.00 0.00 4.00 82.00 297.50 523.50 788.00 785.00 378.50 115.50 0.00 0.00 a 2974.00
2001 0.00 0.00 15.50 77.50 350.50 507.00 765.50 825.50 479.50 126.50 16.50 0.00 3164.00
2002 0.00 0.00 0.00 74.50 239.00 550.00 867.50 599.00 428.50 49.50 0.00 0.00 2808.00
2003 1.50 1.00 21.50 61.00 265.50 528.50 890.50 783.50 379.50 314.02 d 0.00 0.00 3246.52
2004 0.00 0.00 49.50 79.00 213.50 460.00 759.00 664.00 347.50 151.00 0.00 0.00 2723.50
2005 0.00 0.00 4.00 51.00 233.50 375.00 800.50 716.50 331.50 123.50 2.50 0.00 2638.00
2006 0.00 0.00 0.00 z 73.50 304.00 594.00 916.50 680.50 339.00 86.50 22.00 0.00 3016.00
2007 0.00 0.00 41.50 80.50 326.50 546.00 920.50 755.50 395.00 54.00 1.00 0.00 3120.50
2008 0.00 0.00 0.00 31.00 229.00 454.50 814.50 717.00 362.50 141.50 19.00 0.00 2769.00
2009 0.00 0.00 9.00 48.50 285.00 449.00 797.50 679.50 533.00 48.50 10.50 0.00 2860.50
2010 0.00 0.00 5.00 57.00 95.00 402.50 493.00 h 648.00 384.00 171.00 20.00 0.00 1782.50
2011 0.00 a 0.00 0.00 7.00 97.00 342.00 731.50 759.50 493.00 129.00 0.00 0.00 2559.00
2012 0.00 a 0.00 29.00 156.00 200.50 465.50 865.00 784.50 457.00 120.00 24.50 0.00 3102.00
2013 0.00 0.00 21.50 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 21.50
Period of Record Statistics
MEAN 0.02 0.24 7.70 67.99 238.91 449.89 741.13 674.08 367.60 114.09 5.26 0.04 2663.06
S.D. 0.16 0.93 10.90 46.60 85.29 93.51 83.16 78.62 83.15 52.88 8.51 0.23 253.17
SKEW 8.60 5.76 2.05 1.00 0.32 0.02 -0.61 -0.17 -0.07 0.59 2.37 6.90 -0.05
MAX 1.50 7.50 49.50 225.50 479.00 654.50 920.50 845.00 556.50 314.02 45.50 2.00 3246.52
MIN 0.00 0.00 0.00 0.50 76.98 177.32 416.00 498.14 165.00 9.09 0.00 0.00 2025.50
NO YRS 98 96 95 93 95 96 91 95 94 96 95 98 78