RIGGINS, IDAHO

Monthly Total Growing Degree Days

(107706)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201203
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
1896 0.00 z 0.00 z 176.50 251.00 404.50 729.50 1054.50 954.50 607.00 398.50 94.50 71.50 4742.00
1897 24.00 24.00 43.00 401.50 762.50 733.50 873.50 1030.00 608.50 344.00 135.00 41.00 5020.50
1898 5.50 118.50 65.00 408.00 516.00 719.50 942.00 1020.00 615.00 228.00 44.00 11.00 4692.50
1899 64.00 19.50 86.00 236.38 a 377.50 620.50 963.50 710.00 673.00 253.50 166.00 22.50 4192.38
1900 58.50 38.37 a 264.50 344.50 561.50 846.50 951.50 771.50 573.00 306.50 68.50 60.00 4844.87
1901 17.00 42.00 108.50 227.50 627.00 528.50 962.00 978.50 472.00 480.50 110.00 28.50 4582.00
1902 32.50 87.50 52.50 249.50 475.00 616.00 818.00 865.00 647.00 430.50 122.00 44.00 4439.50
1903 34.00 13.50 124.00 271.50 521.50 851.00 861.00 960.00 566.50 351.50 117.00 15.50 4687.00
1904 20.50 8.00 t 58.50 o 359.00 588.50 693.50 967.50 1027.00 717.00 454.50 230.50 14.50 5072.50
1905 45.50 97.00 239.50 381.00 457.00 0.00 z 0.00 z 0.00 z 702.50 287.50 57.50 5.50 2273.00
1906 7.00 64.00 144.15 a 404.50 605.50 684.50 1159.00 988.50 748.00 410.50 26.00 u 40.50 i 5215.65
1907 21.50 95.85 b 132.27 a 303.50 555.50 602.14 b 964.00 887.50 624.00 480.00 0.00 z 30.50 4696.76
1908 18.08 a 70.50 168.00 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 256.58
1909 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
1910 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
1911 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
1912 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
1913 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
1914 0.00 z 33.19 a 194.00 315.54 b 597.61 d 608.79 a 739.50 g 206.50 x 290.00 o 377.50 128.28 a 0.00 2254.90
1915 0.00 i 60.50 206.50 407.00 426.50 573.50 0.00 z 493.50 q 357.00 j 431.50 68.50 35.65 a 2209.65
1916 0.00 z 0.00 z 126.50 f 137.50 g 220.32 c 371.50 h 301.50 s 0.00 z 304.50 h 0.00 z 46.00 t 13.95 a 234.27
1917 6.20 a 2.00 m 12.73 c 166.50 415.00 565.00 0.00 z 0.00 z 227.50 u 271.50 h 159.64 b 163.27 a 1488.34
1918 40.30 a 16.00 0.00 z 138.50 s 290.00 l 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 56.30
1919 54.00 7.00 f 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 54.00
1920 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
1921 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
1922 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
1923 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
1924 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
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 z 0.00 z 0.00 z 124.00 u 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
1929 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
1930 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
1931 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
1932 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
1933 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
1934 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3.50 z 0.00 z 0.00 z 0.00 z 0.00
1935 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
1936 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
1937 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 173.50 u 196.20 e 61.00 257.20
1938 22.00 j 71.08 b 151.79 b 416.79 b 419.50 j 879.50 1085.00 990.00 925.00 98.50 z 26.00 o 5.50 x 4519.16
1939 0.00 z 0.00 z 271.00 132.00 s 756.00 757.50 1126.50 1115.50 806.00 449.50 132.00 146.50 5560.50
1940 20.50 85.50 263.50 456.00 784.00 947.40 e 1171.50 1168.50 854.50 506.50 60.00 80.00 6397.90
1941 37.31 d 130.50 326.00 472.00 694.00 805.00 1131.00 989.00 577.50 397.50 180.00 58.00 5797.81
1942 4.50 20.50 175.48 c 516.00 583.50 717.00 946.50 f 1191.00 0.00 z 498.30 d 123.50 17.50 3847.28
1943 1.00 84.50 165.50 501.50 512.00 644.48 a 1081.00 1009.50 857.50 496.50 128.00 23.00 5504.48
1944 16.00 35.50 112.00 375.00 672.18 a 787.00 1113.00 1048.00 862.00 677.00 120.50 11.00 5829.18
1945 19.63 a 72.69 b 144.00 279.83 a 568.50 710.00 1160.50 1144.50 743.00 563.54 c 130.50 47.00 5583.69
1946 15.00 65.50 257.62 b 442.00 652.00 530.00 i 1145.45 a 1116.00 552.50 g 286.46 d 57.00 e 73.00 4110.03
1947 14.50 82.00 291.50 390.00 749.68 a 696.00 1159.00 1086.50 787.76 a 491.72 b 55.50 45.50 5849.67
1948 29.00 78.94 b 106.00 337.50 560.50 860.50 971.00 1006.00 809.00 350.00 f 57.32 b 2.00 4817.77
1949 0.00 37.50 253.50 603.00 665.50 803.00 1089.50 1138.00 918.00 264.50 g 191.50 27.26 b 5726.76
1950 17.00 68.50 113.50 316.67 c 520.00 764.00 1083.50 1082.50 625.00 g 486.00 176.79 b 68.50 4696.95
1951 19.00 63.26 a 100.50 440.50 600.50 727.00 1191.00 1112.00 853.00 378.20 a 72.00 10.50 5567.46
1952 0.50 21.00 47.61 c 489.00 434.50 h 759.50 1095.50 1128.50 916.55 a 643.50 47.50 k 29.40 b 5131.06
1953 169.43 b 100.69 b 221.65 a 363.00 500.28 b 670.56 c 1164.50 1084.50 920.50 363.00 j 129.50 n 1.00 z 5195.10
1954 84.73 a 155.00 127.10 a 400.86 a 695.36 b 702.00 e 1095.50 972.00 757.24 a 328.50 h 0.00 z 0.00 z 4989.80
1955 0.00 d 9.13 e 73.92 e 195.60 e 508.73 c 817.00 977.00 1114.50 802.76 a 523.56 d 54.50 f 33.30 d 5055.50
1956 35.43 c 23.50 195.09 b 0.00 z 629.50 754.29 b 1094.00 816.00 g 619.50 f 376.81 b 79.00 18.00 3205.61
1957 2.00 55.50 153.50 263.57 b 647.50 847.50 1086.00 1020.50 864.23 d 457.77 a 54.31 a 24.28 a 5476.66
1958 10.16 b 148.81 a 118.00 k 284.50 857.00 0.00 z 1090.00 1182.50 763.27 d 555.93 a 171.11 c 74.00 5137.28
1959 33.30 d 25.50 f 195.30 a 0.00 z 452.50 887.00 1135.50 1033.50 686.50 428.66 b 67.00 m 27.50 4879.75
1960 0.00 z 17.52 e 102.50 x 368.40 e 547.15 a 900.00 1270.00 987.87 a 853.00 513.00 163.00 13.43 a 5633.37
1961 87.00 151.00 250.50 362.50 621.00 1002.00 1226.00 1313.50 678.62 a 408.00 107.50 41.00 6248.62
1962 16.03 b 31.50 l 73.50 k 371.50 i 530.50 835.00 1086.50 1087.00 875.00 459.50 211.00 65.50 5166.03
1963 12.00 184.00 256.86 c 278.50 g 681.00 829.14 a 1042.00 1124.00 985.50 636.00 226.00 7.50 5984.00
1964 14.00 24.00 125.50 310.50 564.50 777.50 1127.50 1013.00 733.50 538.00 155.50 57.00 5440.50
1965 24.00 94.00 136.50 424.50 568.50 786.50 1116.00 1065.00 619.00 624.50 247.50 62.50 5768.50
1966 32.50 54.50 223.50 449.50 812.00 782.00 1143.00 1150.50 928.50 396.00 f 174.50 48.00 5798.50
1967 53.50 67.50 153.45 a 241.50 627.00 822.00 1204.00 1279.00 1034.50 456.00 148.00 14.43 b 6100.88
1968 13.50 149.00 276.50 315.00 638.08 a 876.21 a 1112.50 970.50 712.22 c 429.50 124.50 41.33 a 5658.85
1969 6.09 c 26.00 204.08 a 443.00 693.76 b 872.50 1107.00 1183.00 810.50 289.00 128.50 35.00 5798.43
1970 68.00 141.50 143.00 252.00 625.00 923.50 1166.00 1179.50 595.00 347.00 162.00 13.50 5616.00
1971 55.50 69.00 165.50 363.00 621.50 703.00 1101.00 1283.50 668.00 427.00 75.00 13.00 5545.00
1972 37.50 108.50 324.00 263.00 704.00 872.50 1106.50 1164.50 662.00 439.00 106.00 40.00 5827.50
1973 15.00 88.50 214.00 360.00 712.00 878.00 1184.00 1089.50 754.00 432.50 105.00 68.50 5901.00
1974 52.50 86.50 196.50 388.00 528.00 961.50 1051.00 1031.00 809.50 455.50 146.00 25.50 5731.50
1975 1.50 25.00 58.00 150.00 475.85 a 700.50 1152.50 541.50 n 544.50 g 299.00 91.50 26.50 2980.35
1976 6.72 a 31.00 50.63 a 309.83 a 698.50 702.00 1095.00 954.00 838.50 455.00 185.50 12.00 5338.68
1977 2.00 117.00 115.50 537.00 542.50 965.00 1067.00 1133.00 714.50 403.50 105.00 36.00 5738.00
1978 15.50 74.00 347.00 351.50 513.50 814.50 1022.00 933.00 674.50 454.50 53.50 1.00 5254.50
1979 0.00 34.00 223.50 338.50 635.00 854.50 667.50 m 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2085.50
1980 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 65.50 h 91.81 e 91.81
1981 68.20 a 120.81 a 265.00 400.50 563.50 732.00 1028.17 a 1196.60 a 834.00 414.76 b 206.25 b 81.38 c 5911.17
1982 8.00 63.26 a 181.23 e 311.11 c 548.04 c 880.18 b 0.00 z 1121.00 790.80 e 377.00 117.00 m 17.00 l 4280.62
1983 52.00 164.00 280.00 365.50 444.00 o 0.00 z 647.50 l 1185.50 678.89 c 247.00 q 205.50 10.00 2941.39
1984 11.50 61.22 b 205.24 b 307.00 559.50 703.89 c 864.00 g 0.00 z 406.00 h 0.00 z 0.00 z 0.53 b 1848.89
1985 0.00 32.50 155.00 544.00 749.00 924.00 1316.00 992.50 596.00 409.00 75.00 3.50 5796.50
1986 40.50 119.00 357.00 379.50 667.50 1030.50 978.00 1214.00 595.50 460.50 137.00 6.50 5985.50
1987 6.50 79.50 238.00 587.00 753.00 907.50 984.50 969.00 829.00 490.00 150.50 68.00 6062.50
1988 19.00 83.00 194.50 476.00 631.76 b 856.50 1075.50 1066.00 751.00 658.50 120.50 17.00 5949.26
1989 13.00 35.50 214.00 485.50 582.00 827.00 1121.50 950.00 0.00 z 405.87 d 106.00 19.00 4759.37
1990 98.00 123.00 281.50 579.00 565.75 a 818.00 1185.50 1137.50 587.50 j 436.00 202.00 22.50 5448.75
1991 11.00 195.50 242.00 380.00 0.00 z 712.50 1066.00 1217.50 910.00 500.50 79.50 10.50 5325.00
1992 42.00 190.00 384.50 479.00 763.50 953.50 846.50 1065.00 717.50 548.50 93.00 4.00 6087.00
1993 4.00 18.00 260.00 318.50 732.00 714.00 765.50 902.50 720.00 483.00 47.00 25.00 4989.50
1994 31.00 24.00 218.00 429.50 630.50 740.00 1123.00 1099.00 552.50 i 383.50 36.00 19.00 4733.50
1995 37.50 137.50 155.00 309.00 553.00 692.50 963.50 904.50 824.50 313.50 126.50 26.50 5043.50
1996 12.00 93.73 a 183.00 369.00 469.50 750.00 1068.00 1043.50 631.00 413.50 91.50 23.50 5148.23
1997 25.50 25.00 208.50 293.00 649.00 740.50 928.00 1060.00 802.50 365.00 117.00 6.50 5220.50
1998 28.50 93.50 196.85 a 332.00 549.00 693.50 1138.50 1073.50 865.50 328.00 125.00 29.00 5452.85
1999 19.00 24.00 173.00 231.00 442.50 646.50 879.37 a 1018.00 673.97 a 431.00 253.00 17.00 4808.33
2000 9.50 94.77 a 230.78 d 542.14 b 642.70 c 822.78 c 1104.00 1122.50 728.28 a 260.00 j 36.50 4.13 a 5338.07
2001 3.00 34.50 281.50 327.41 a 717.65 a 777.50 1100.50 1183.50 965.50 476.00 230.50 12.40 a 6109.96
2002 35.00 59.50 154.00 378.00 602.00 847.50 1211.50 1028.50 851.00 386.00 176.00 55.00 5784.00
2003 77.50 58.00 251.62 a 374.00 593.50 912.50 1252.00 1192.50 852.50 614.32 a 66.72 a 49.50 6294.66
2004 12.50 51.56 b 361.31 b 477.78 c 462.00 f 861.00 1144.00 1108.25 c 693.10 a 434.60 e 94.50 47.50 5286.09
2005 56.00 58.07 a 233.00 333.50 607.50 711.96 b 1137.59 c 1091.00 699.50 455.50 64.00 22.00 5469.63
2006 49.50 57.50 147.00 357.00 693.00 865.00 1230.50 1046.50 739.00 382.50 178.50 37.50 5783.50
2007 13.00 80.00 287.50 376.50 657.00 874.00 1280.00 1014.00 749.00 369.50 127.00 28.50 5856.00
2008 6.50 61.00 107.00 253.00 586.50 741.00 1110.00 1091.50 770.00 444.50 181.50 26.50 5379.00
2009 14.50 55.00 55.00 i 335.00 643.00 795.00 1078.00 1054.50 889.00 296.50 100.50 f 8.00 5168.50
2010 68.72 a 61.00 216.00 315.00 481.00 695.00 1003.50 1040.50 578.50 h 261.00 o 33.50 n 15.00 k 3880.72
2011 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 256.50 u 739.50 h 0.00 z 522.50 m 174.00 w 0.00 z 0.00 z 0.00
2012 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
Period of Record Statistics
MEAN 28.13 73.33 191.44 367.60 598.71 783.04 1080.27 1064.00 758.37 437.28 127.05 34.08 5532.61
S.D. 27.74 44.79 80.18 95.62 107.57 104.90 107.92 106.84 115.46 93.69 55.12 29.47 508.26
SKEW 2.09 0.79 0.07 0.28 -0.36 -0.04 -0.60 -0.43 0.02 0.36 0.32 1.87 -0.71
MAX 169.43 195.50 384.50 603.00 857.00 1030.50 1316.00 1313.50 1034.50 677.00 253.00 163.27 6397.90
MIN 0.00 9.13 12.73 150.00 220.32 528.50 765.50 710.00 472.00 228.00 36.00 0.00 4192.38
NO YRS 84 83 83 82 83 83 78 79 73 75 75 83 48