PAYETTE, IDAHO

Monthly Total Growing Degree Days

(106891)

Base Temperature = 40 F

File last updated on Apr 4, 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
1892 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 915.50 897.00 0.00 z 348.50 0.00 z 0.00 z 2161.00
1893 0.00 0.00 76.50 262.00 527.50 715.50 1017.00 933.50 565.50 219.00 30.00 6.00 4352.50
1894 4.00 0.00 115.50 343.97 a 619.50 729.00 1050.90 a 1141.00 583.00 363.00 123.00 21.00 5093.87
1895 0.00 17.00 103.50 425.00 574.00 775.00 997.50 984.25 a 517.76 a 420.50 52.00 0.00 4866.51
1896 70.00 154.00 208.98 b 306.72 a 484.50 865.50 1213.50 1033.50 653.79 a 457.50 208.00 8.50 5664.50
1897 0.00 a 5.00 41.00 389.50 804.00 830.50 976.00 1123.00 690.00 b 390.60 a 184.66 a 0.00 a 5434.26
1898 0.00 39.50 118.50 639.50 680.00 922.00 1111.00 1135.00 760.00 381.00 69.50 0.00 5856.00
1899 3.00 15.50 66.50 317.50 468.50 726.50 1070.00 806.50 792.00 259.00 159.50 11.00 4695.50
1900 3.00 30.00 310.50 448.00 705.00 958.00 1049.00 873.00 646.50 358.50 145.50 16.50 5543.50
1901 0.00 27.50 128.00 280.00 694.50 678.00 1133.00 1183.50 656.00 535.50 197.50 41.00 5554.50
1902 0.00 41.00 70.00 294.00 599.00 783.50 910.50 1095.50 621.00 396.59 b 98.00 0.00 a 4909.09
1903 2.00 0.00 118.00 200.89 b 0.00 z 0.00 z 0.00 z 1052.00 662.00 386.00 105.50 6.00 2532.39
1904 2.67 b 37.00 86.00 392.00 619.50 757.50 999.00 1089.81 b 740.00 446.00 91.50 0.00 5260.98
1905 2.00 28.00 240.50 394.00 556.50 758.33 c 1151.00 1101.00 672.50 233.50 19.50 0.00 5156.83
1906 0.00 12.00 100.00 188.50 k 0.00 z 0.00 z 0.00 z 653.50 q 666.60 e 413.50 142.50 35.50 1370.10
1907 11.50 71.00 141.50 288.10 a 590.00 665.50 1017.50 868.50 607.00 495.50 55.50 8.50 4820.10
1908 3.50 36.00 109.07 d 378.00 446.00 689.00 1074.48 c 948.82 c 657.41 a 273.50 73.00 0.50 4689.29
1909 16.00 28.50 147.25 a 211.50 452.00 799.66 a 968.75 a 991.48 a 667.00 333.00 133.45 a 0.00 4748.59
1910 0.00 2.00 198.50 423.50 616.38 a 784.50 1100.50 857.00 625.50 299.50 81.72 a 0.00 4989.11
1911 0.00 0.00 a 139.00 246.00 436.50 815.00 1025.00 908.50 596.00 248.00 32.50 0.00 4446.50
1912 0.50 17.00 65.50 270.50 522.50 795.50 899.00 a 837.00 473.00 231.00 101.00 0.00 4212.50
1913 2.00 4.50 68.50 313.50 585.00 767.50 923.28 a 1011.00 646.50 229.00 91.03 a 0.00 4641.82
1914 2.58 a 18.15 a 181.00 340.00 639.00 689.00 1051.50 957.50 580.50 394.22 a 58.00 0.00 a 4911.45
1915 0.50 40.00 232.00 470.69 a 493.00 681.50 935.00 1095.50 611.50 352.00 42.50 6.00 4960.19
1916 1.50 3.62 a 173.50 338.00 418.50 654.00 915.50 917.00 613.50 243.00 27.41 a 6.50 4312.04
1917 0.00 0.00 18.50 223.50 493.00 669.00 1094.00 1013.50 718.45 a 342.55 a 80.00 116.50 4769.00
1918 8.50 20.50 179.50 295.00 366.00 f 983.50 1016.28 a 819.50 730.34 a 413.00 33.21 b 0.52 a 4499.86
1919 33.50 4.00 133.82 a 384.50 590.50 783.00 1085.00 1016.50 650.50 224.00 22.00 0.00 4927.32
1920 0.00 a 1.00 94.03 a 236.00 484.50 726.00 1067.00 985.28 a 618.10 a 251.62 a 49.66 a 7.23 a 4520.43
1921 6.50 1.00 147.00 244.00 580.00 344.00 r 584.00 k 798.00 f 478.50 377.50 124.50 10.50 1969.50
1922 0.00 a 0.00 87.50 208.00 502.00 877.50 1054.50 1043.50 686.50 394.50 21.00 0.50 4875.50
1923 17.00 2.00 58.38 a 212.00 f 298.50 l 590.00 986.32 a 895.50 676.55 a 271.00 4.66 a 0.00 a 3501.41
1924 0.00 b 0.00 z 0.00 z 392.07 a 720.50 815.00 1024.00 856.00 607.00 373.00 84.50 1.50 4873.57
1925 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 z 0.00 z 0.00 z 0.00
1926 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 z 0.00 z 0.00 z 0.00
1927 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 z 0.00 z 0.00 z 0.00
1928 0.00 0.00 a 144.50 189.00 722.50 700.86 a 1073.00 900.50 616.55 a 290.00 64.14 a 1.11 c 4702.16
1929 0.00 c 0.00 78.53 a 218.79 a 491.35 a 681.00 1036.50 1072.50 519.00 335.00 19.00 96.00 4547.68
1930 0.00 30.00 167.40 a 463.00 514.60 a 754.50 1145.93 b 1099.50 662.59 a 248.53 b 20.77 d 0.00 5106.82
1931 0.00 0.50 95.50 0.00 z 618.81 e 391.50 o 1171.00 1046.00 624.00 324.50 61.00 3.62 a 3944.92
1932 0.00 a 0.00 101.00 362.50 551.69 d 827.07 a 1003.50 912.00 624.50 267.00 33.50 2.14 b 4684.89
1933 2.07 a 0.00 58.50 271.50 471.09 c 926.79 b 1161.50 979.60 a 639.64 b 475.33 a 40.50 64.00 5090.52
1934 29.45 a 87.50 293.00 537.00 789.00 822.00 1135.50 1126.00 629.00 383.50 146.00 0.00 a 5977.95
1935 2.00 9.50 68.00 274.66 a 556.50 808.50 1088.62 a 1011.63 a 766.50 413.13 e 4.00 1.03 a 5004.07
1936 1.03 a 3.50 39.50 455.69 a 706.50 833.40 e 1147.52 a 1054.52 a 610.00 401.97 a 2.50 10.00 5266.12
1937 0.00 0.00 a 116.25 a 277.50 619.48 a 740.00 1147.00 a 1002.33 a 741.50 360.00 126.11 c 28.00 5158.18
1938 2.50 f 48.46 b 110.00 390.00 553.00 705.00 f 1103.00 986.00 809.00 384.50 22.24 a 4.00 4410.20
1939 0.00 b 0.00 b 184.93 b 430.71 b 557.50 f 726.96 b 1155.94 e 1086.00 700.00 320.00 17.50 47.50 4669.55
1940 1.55 a 59.50 208.22 a 366.50 708.50 936.50 1099.00 1056.50 691.00 383.00 42.50 7.75 a 5560.52
1941 1.50 34.00 190.00 346.00 636.00 771.21 a 1101.00 964.00 513.00 315.00 100.00 47.00 5018.71
1942 0.00 3.00 61.50 364.50 483.50 672.50 1076.50 997.50 614.00 316.50 52.00 8.50 4650.00
1943 9.50 1.00 108.00 443.00 477.50 677.00 1030.00 958.00 773.00 393.50 28.00 6.50 4905.00
1944 0.00 3.00 70.50 341.00 629.50 703.00 1041.50 984.50 689.00 448.50 62.00 0.00 4972.50
1945 0.50 23.50 120.90 a 286.55 a 579.18 a 712.00 1162.50 1022.00 603.00 396.28 a 57.41 a 12.83 b 4976.66
1946 0.00 6.22 a 155.00 a 415.34 a 604.00 800.50 1133.10 b 1056.58 a 610.34 a 225.50 45.00 a 64.30 d 5115.90
1947 3.00 24.89 a 210.00 330.50 760.57 b 695.50 1135.50 747.00 i 653.00 427.11 d 16.61 b 0.00 b 4256.68
1948 15.50 c 37.80 a 64.58 a 267.50 546.50 885.00 a 1016.50 971.00 658.00 308.50 36.50 2.00 4809.39
1949 0.00 32.50 167.00 410.17 a 718.88 b 847.00 1092.50 1065.50 772.50 195.00 65.00 0.00 a 5366.05
1950 1.50 7.00 67.50 295.50 516.00 752.00 1078.50 991.50 683.50 452.50 89.50 9.00 4944.00
1951 7.50 10.50 72.33 a 387.00 592.50 721.00 1105.50 976.50 656.00 269.00 16.20 e 0.00 b 4814.03
1952 0.00 0.00 68.50 411.50 625.50 802.00 1046.00 1035.00 694.00 396.00 14.50 5.00 5098.00
1953 75.50 23.00 133.50 278.00 454.50 642.50 1111.50 1004.00 722.00 347.00 115.00 6.00 4912.50
1954 33.00 65.00 86.50 331.50 652.50 690.50 1098.50 882.00 593.00 265.00 94.00 10.00 4801.50
1955 1.00 0.00 52.50 200.00 502.50 833.00 997.00 1025.50 666.00 376.00 37.00 41.50 4732.00
1956 4.50 26.50 177.00 373.00 676.50 757.50 1085.50 932.00 682.50 330.50 34.00 7.00 5086.50
1957 0.00 18.50 155.00 349.50 629.00 809.00 1005.50 946.00 739.00 333.00 32.50 24.50 5041.50
1958 0.00 70.00 99.00 299.50 768.50 835.50 1047.50 1087.50 666.50 403.00 107.50 11.50 5396.00
1959 26.50 36.00 108.00 385.00 485.00 873.50 1090.50 960.50 629.00 364.00 25.00 0.50 4983.50
1960 0.00 3.50 174.50 349.00 506.00 863.50 1185.50 883.50 768.00 345.00 87.41 a 4.50 5170.41
1961 0.00 61.50 185.50 313.50 599.00 0.00 z 590.00 o 1131.00 567.00 327.00 22.50 10.50 3217.50
1962 3.00 10.00 99.00 449.00 569.50 824.50 1013.50 963.00 719.00 372.50 105.50 14.00 5142.50
1963 2.50 91.00 194.50 279.00 681.50 765.00 982.00 1029.50 836.50 527.50 114.00 0.00 5503.00
1964 0.00 0.00 71.50 287.00 549.50 746.00 1053.50 916.50 611.00 396.50 70.50 58.00 4760.00
1965 4.50 32.50 93.00 444.50 575.00 788.50 1047.00 977.00 584.00 439.00 143.50 11.50 5140.00
1966 34.50 20.50 190.00 368.50 723.00 778.00 1049.50 1011.00 832.00 320.50 137.50 15.00 5480.00
1967 27.00 27.00 140.50 218.50 589.00 830.00 1158.50 1159.00 869.00 339.50 97.50 3.00 5458.50
1968 0.00 87.50 234.50 292.00 586.00 856.50 1138.00 905.00 672.00 312.50 41.00 13.00 5138.00
1969 0.00 0.00 112.50 403.00 709.50 822.50 1031.50 1052.50 744.00 254.50 65.00 12.50 5207.50
1970 25.00 53.00 115.50 183.50 593.00 913.50 1085.50 1046.00 566.50 280.00 71.00 4.50 4937.00
1971 10.00 39.50 94.50 358.50 679.50 746.00 1086.00 1142.00 562.50 313.50 19.50 0.00 5051.50
1972 16.00 41.50 216.50 310.50 669.00 877.50 1018.00 1084.00 604.50 430.50 89.00 0.50 5357.50
1973 0.50 44.00 178.00 364.50 697.50 0.00 z 733.50 k 1057.00 704.50 0.00 z 5.00 y 16.00 3062.00
1974 22.00 25.00 163.50 351.50 532.50 933.50 1016.00 975.00 691.00 307.00 74.00 3.00 5094.00
1975 0.00 11.00 87.00 187.00 527.00 731.00 1167.00 882.00 682.00 343.07 a 47.00 2.00 4666.07
1976 0.00 34.50 59.93 a 272.50 635.50 716.50 1025.21 c 808.50 657.50 219.00 39.00 0.00 4468.15
1977 0.00 7.50 67.00 416.50 446.50 950.00 997.00 1009.00 666.50 321.00 59.00 45.00 4985.00
1978 18.50 34.50 248.00 324.50 550.50 782.00 1053.00 945.00 630.00 341.50 33.50 0.00 4961.00
1979 0.00 5.50 162.00 308.50 638.50 840.50 1075.00 1015.00 801.00 423.00 26.50 0.00 5295.50
1980 17.00 0.00 z 94.50 405.00 588.00 709.00 1042.00 0.00 z 0.00 z 285.00 82.50 17.00 3240.00
1981 2.50 31.00 165.50 383.00 558.50 733.00 997.00 1076.50 689.48 a 268.50 86.00 22.00 5012.98
1982 0.00 10.00 99.00 200.50 512.50 784.00 967.00 1019.50 655.00 324.00 11.50 7.00 4590.00
1983 5.00 83.50 218.50 258.50 600.50 748.00 937.00 1048.50 633.50 341.00 128.50 0.00 5002.50
1984 0.00 0.00 105.00 243.50 488.00 681.50 1044.00 1035.50 591.00 249.50 48.50 0.00 a 4486.50
1985 0.00 0.00 47.00 420.00 613.50 835.00 1160.00 895.50 514.50 0.00 z 0.00 z 0.00 z 4485.50
1986 0.00 z 0.00 z 328.00 351.00 671.50 1006.50 987.50 1130.00 609.00 434.00 123.50 0.50 5641.50
1987 0.00 28.50 222.50 540.50 791.00 934.00 1035.50 1018.50 804.00 480.00 159.00 43.00 6056.50
1988 0.00 50.00 203.50 445.50 621.00 969.50 1139.50 1048.00 715.00 628.50 149.50 3.50 5973.50
1989 0.00 1.50 168.00 450.50 579.50 884.50 1127.50 989.50 748.50 407.50 94.50 3.00 5454.50
1990 32.50 36.50 263.50 542.00 627.00 855.00 1175.00 1119.50 960.00 384.00 89.00 0.50 6084.50
1991 0.00 105.00 203.00 386.50 567.50 791.00 1161.00 1143.50 824.00 462.50 81.50 9.00 5734.50
1992 13.00 108.50 323.50 466.50 803.50 980.00 1014.00 1072.00 698.00 455.50 61.50 0.00 5996.00
1993 0.00 2.00 172.00 302.00 755.00 729.50 838.00 915.00 716.00 441.00 25.50 15.50 4911.50
1994 2.50 22.50 267.00 0.00 z 702.00 865.50 1167.50 1131.50 812.50 357.50 19.00 0.00 5347.50
1995 16.50 107.50 158.00 305.00 601.00 773.00 1067.50 913.00 784.50 287.50 132.00 40.50 5186.00
1996 1.50 64.50 224.50 331.50 573.00 836.00 1171.00 1042.50 649.00 401.00 100.00 31.50 5426.00
1997 34.00 38.00 216.00 340.50 699.00 857.50 1004.50 1053.50 777.00 379.50 105.00 0.00 5504.50
1998 6.00 30.50 167.50 307.00 566.50 754.00 1239.00 1134.00 861.72 a 374.50 128.00 28.00 5596.72
1999 0.00 z 26.00 147.00 282.50 548.50 809.48 a 1027.43 c 1065.22 b 661.00 370.40 b 140.50 17.00 5095.03
2000 2.50 48.50 124.52 a 436.00 645.32 a 852.50 1164.57 a 1105.31 b 641.90 a 344.50 24.00 0.00 5389.61
2001 0.00 a 6.00 209.00 271.50 644.05 b 832.78 c 1099.39 c 1138.00 825.00 411.00 157.00 0.00 a 5593.72
2002 0.00 7.00 146.50 373.50 613.00 491.50 l 825.50 k 979.08 a 781.00 342.55 a 76.50 34.50 3353.63
2003 35.00 60.15 a 239.50 344.50 621.50 943.50 1260.00 1111.00 779.50 565.00 45.50 49.50 6054.65
2004 0.00 12.50 270.00 440.50 623.50 880.50 1176.50 1085.50 709.50 437.00 50.00 16.00 5701.50
2005 0.00 z 13.50 195.50 312.50 613.00 727.00 1102.29 e 1049.50 672.60 e 417.00 44.00 0.00 5146.89
2006 2.98 e 22.50 120.50 353.50 660.50 887.00 1274.50 1013.00 685.50 352.00 139.00 15.50 5526.48
2007 0.50 41.00 247.48 a 344.50 688.00 795.00 1105.00 1002.50 690.50 329.00 72.50 21.00 5336.98
2008 3.50 11.00 64.00 199.00 615.00 701.00 1028.50 998.00 665.00 380.50 112.00 11.00 4788.50
2009 1.00 17.00 110.50 293.50 535.00 630.50 1055.00 809.00 800.00 252.50 61.00 0.00 4565.00
2010 11.50 16.50 142.50 253.00 411.50 753.00 1075.50 996.50 711.50 516.50 142.00 0.00 5030.00
2011 1.50 13.00 127.50 231.50 414.50 f 361.50 p 998.00 1090.50 797.00 375.50 25.50 11.00 3671.00
2012 10.00 26.00 204.00 420.50 552.00 772.76 a 1186.00 1091.50 731.00 322.00 131.50 47.50 5494.76
2013 0.00 13.00 177.50 29.50 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 190.50
Period of Record Statistics
MEAN 6.74 26.09 144.02 340.04 597.21 792.58 1069.32 1008.56 678.30 357.69 74.42 12.78 5105.64
S.D. 12.89 28.55 67.00 86.02 89.58 87.24 79.19 87.20 86.02 79.63 47.09 19.84 417.31
SKEW 3.00 1.70 0.55 0.45 0.19 0.29 -0.06 -0.35 0.32 0.39 0.57 2.56 0.39
MAX 75.50 154.00 328.00 639.50 804.00 1006.50 1274.50 1183.50 960.00 628.50 208.00 116.50 6084.50
MIN 0.00 0.00 18.50 183.50 411.50 590.00 838.00 806.50 473.00 195.00 2.50 0.00 4212.50
NO YRS 114 115 117 113 111 108 112 114 116 116 115 116 97