GRANTS PASS, OREGON

Monthly Total Growing Degree Days

(353445)

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
1893 0.00 z 22.50 139.50 187.76 a 473.00 582.50 809.00 863.35 a 531.43 b 316.72 a 147.00 49.08 a 4121.84
1894 72.00 40.00 178.25 a 313.50 532.00 608.00 913.50 939.50 588.10 a 438.28 b 188.00 12.40 a 4823.53
1895 53.50 147.26 a 175.00 373.45 a 519.50 681.50 887.24 b 834.50 553.39 b 486.50 67.50 63.00 4842.34
1896 95.00 164.33 b 253.17 a 186.00 400.00 719.48 a 1034.00 903.00 616.07 b 442.50 145.86 a 114.00 5073.42
1897 42.92 e 107.00 78.50 435.00 712.47 b 643.50 835.00 963.77 c 653.00 429.00 160.50 86.50 5147.16
1898 6.50 147.50 152.50 418.00 507.88 a 705.50 922.77 a 1000.27 a 674.00 367.50 127.50 29.00 5058.92
1899 74.29 b 114.50 174.63 a 318.50 410.00 659.00 919.00 746.00 731.90 a 341.50 288.50 53.00 4830.82
1900 122.00 117.00 361.00 345.54 b 547.00 765.00 872.13 a 756.40 a 598.00 361.67 a 230.69 a 96.10 a 5172.52
1901 29.50 158.00 200.00 261.00 514.60 a 578.00 810.43 c 957.00 581.50 557.48 a 170.00 c 68.09 c 4885.60
1902 44.43 a 169.12 c 173.60 a 269.50 510.00 665.00 824.60 a 919.00 679.00 428.00 130.00 70.00 4882.25
1903 53.00 60.00 189.00 249.31 a 523.00 771.50 791.02 a 851.98 a 638.00 504.50 210.00 32.00 4873.31
1904 55.28 a 51.00 144.00 389.00 598.00 694.00 911.40 a 948.00 730.56 c 484.50 267.50 40.00 5313.24
1905 113.00 187.70 a 310.00 424.50 457.00 654.83 a 1043.67 a 900.50 666.50 388.02 a 64.00 34.10 a 5243.81
1906 44.00 114.50 231.00 406.07 b 480.50 b 603.00 1087.00 937.50 703.39 b 440.20 a 207.50 98.00 5352.66
1907 51.00 227.50 160.17 a 410.00 546.24 b 662.00 916.50 772.00 642.50 574.00 124.00 123.00 5208.91
1908 48.50 65.50 167.50 373.50 356.50 624.50 996.00 862.00 642.00 368.50 187.00 25.50 4717.00
1909 106.43 a 97.50 204.50 311.00 447.00 682.00 826.50 854.00 700.00 436.50 217.50 11.00 4893.93
1910 46.00 100.50 359.00 453.00 634.00 620.00 964.50 779.50 594.00 493.79 c 162.50 84.50 5291.29
1911 37.20 a 20.74 a 253.37 e 253.00 434.50 631.00 982.70 a 819.29 c 586.61 b 277.50 i 139.14 a 14.50 4172.04
1912 138.00 158.00 160.50 259.50 533.00 690.00 867.00 813.00 630.50 279.50 158.00 42.50 4729.50
1913 10.50 38.00 184.00 313.50 534.50 657.50 841.50 936.50 640.00 416.50 199.50 71.50 4843.50
1914 104.00 108.00 346.50 381.50 609.00 648.50 953.50 920.00 597.00 373.00 75.00 9.00 5125.00
1915 51.50 81.00 320.50 416.00 480.00 650.00 879.00 1003.00 631.00 419.50 172.00 125.00 5228.50
1916 13.00 230.00 261.00 356.00 430.00 657.00 779.50 891.50 691.00 316.00 90.00 21.50 4736.50
1917 16.00 52.00 73.00 285.50 426.00 613.00 942.00 885.00 667.50 370.50 140.50 168.50 4639.50
1918 84.50 49.00 229.00 294.50 413.00 841.00 863.50 841.50 806.50 475.50 115.00 29.00 5042.00
1919 112.12 a 88.50 264.02 a 426.50 601.00 707.00 1037.50 1021.00 711.00 351.85 a 107.00 65.10 a 5492.58
1920 97.00 81.00 173.00 304.50 522.50 715.50 927.00 1005.50 670.00 372.50 164.00 64.50 5097.00
1921 97.00 154.50 327.00 366.50 538.50 772.50 931.50 958.00 657.00 561.00 267.00 36.00 5666.50
1922 26.50 45.00 184.50 293.00 608.50 831.00 1030.00 888.00 796.00 482.00 128.50 57.50 5370.50
1923 92.00 122.50 229.00 389.00 536.00 676.00 979.00 980.00 783.50 438.50 131.00 87.50 5444.00
1924 63.00 311.00 243.50 456.00 776.50 821.00 954.50 968.23 a 723.50 419.50 242.00 72.50 6051.23
1925 181.00 220.00 445.50 423.50 688.00 756.00 1032.00 941.50 625.50 393.50 162.50 48.50 5917.50
1926 92.50 234.00 369.50 580.50 623.50 921.00 1017.50 948.00 634.00 501.50 292.50 70.50 6285.00
1927 24.00 53.50 235.00 325.00 576.50 865.50 1024.00 980.00 673.00 520.00 256.50 42.00 5575.00
1928 104.00 162.00 288.50 k 480.00 b 733.48 c 760.50 1015.50 970.00 817.50 435.00 185.50 65.21 b 5728.69
1929 27.50 54.50 262.00 260.00 660.50 729.00 902.00 893.50 577.50 440.00 54.50 140.00 5001.00
1930 16.00 145.50 291.50 422.50 451.50 645.50 861.50 951.00 705.00 402.00 104.50 28.50 5025.00
1931 55.50 124.50 333.00 466.50 723.50 711.00 964.00 913.50 680.00 408.00 125.50 46.00 5551.00
1932 23.00 129.00 315.00 386.00 533.50 788.50 0.00 z 770.23 e 770.00 462.00 229.00 37.50 4443.73
1933 23.00 29.00 197.00 403.50 390.71 b 697.00 940.00 961.50 623.00 529.50 69.50 134.00 4997.71
1934 138.50 189.50 519.50 573.00 670.50 699.00 881.50 977.00 740.50 507.00 250.00 59.00 6205.00
1935 15.50 127.50 166.00 376.50 529.50 727.00 880.00 927.00 820.00 409.50 82.00 51.00 5111.50
1936 83.50 164.50 275.00 484.50 655.50 742.50 913.50 941.00 705.00 494.00 57.00 76.50 5592.50
1937 0.00 74.50 288.50 339.00 646.35 a 767.50 966.00 892.00 739.00 532.00 248.50 139.50 5632.85
1938 58.50 88.50 178.50 426.00 609.50 761.00 1031.50 829.00 750.50 376.00 82.50 97.00 5288.50
1939 42.00 49.78 a 305.50 494.50 586.00 692.50 976.00 965.00 785.50 479.00 132.00 172.00 5679.78
1940 118.50 184.00 352.00 488.00 705.00 847.50 944.00 985.00 764.00 541.50 145.50 151.00 6226.00
1941 91.00 171.00 372.50 404.50 641.00 746.00 1030.50 937.50 648.50 427.00 251.00 123.00 5843.50
1942 71.00 108.00 308.50 491.50 641.50 707.00 999.00 1008.00 550.00 h 472.50 160.50 109.00 5076.50
1943 28.00 139.00 286.50 444.00 523.00 641.00 932.50 815.00 818.50 400.00 136.50 37.50 5201.50
1944 13.00 56.00 194.00 287.00 602.00 684.00 966.00 905.50 773.00 554.50 134.50 88.00 5257.50
1945 128.50 145.00 203.00 377.50 638.00 743.50 994.50 996.00 696.50 493.00 171.50 122.50 5709.50
1946 50.50 91.50 213.00 417.00 655.50 690.50 950.50 961.00 650.00 319.50 95.50 80.00 5174.50
1947 30.00 169.00 343.50 470.00 721.00 696.50 876.00 803.50 750.00 540.00 181.00 56.00 5636.50
1948 41.00 83.00 171.00 237.50 528.00 795.00 847.69 b 847.00 663.50 444.50 106.00 33.50 4797.69
1949 1.00 123.00 244.00 494.50 655.50 431.00 l 945.50 880.50 755.50 317.50 209.50 32.50 4659.00
1950 25.50 155.00 190.00 331.00 535.27 a 741.00 917.00 922.00 661.03 a 480.50 264.00 199.00 5421.30
1951 81.50 118.22 a 169.00 482.59 a 554.00 777.50 932.00 864.50 777.50 429.35 a 183.50 43.00 5412.66
1952 29.50 90.00 148.00 423.50 574.00 654.00 1012.00 914.50 797.50 546.00 41.00 55.00 5285.00
1953 167.40 a 125.48 a 185.50 348.50 422.50 581.00 883.00 879.88 a 801.72 a 389.50 280.86 a 85.00 5150.35
1954 59.00 124.96 a 191.00 403.50 631.88 a 615.50 854.50 796.50 649.00 391.78 b 214.50 43.50 4975.62
1955 35.00 41.50 189.00 208.50 554.50 750.50 842.50 955.00 702.50 493.50 187.00 140.00 5099.50
1956 92.00 32.50 224.50 462.00 658.23 a 736.55 a 1033.50 918.12 a 741.21 a 407.00 102.00 62.50 5470.11
1957 17.50 164.50 301.22 a 424.14 a 656.00 843.50 909.50 843.50 834.50 385.00 87.50 78.00 5544.85
1958 87.00 225.50 173.00 390.50 779.00 834.00 1099.47 a 1090.00 717.50 492.90 a 267.50 160.50 6316.87
1959 136.00 97.50 249.00 470.50 534.00 785.50 1050.00 904.50 653.50 472.23 a 106.00 18.50 5477.23
1960 95.00 114.50 353.50 403.50 543.50 860.00 1074.50 931.00 790.00 449.00 165.00 54.00 5833.50
1961 112.50 198.00 231.50 407.00 551.50 916.50 985.50 1042.50 604.00 439.68 a 140.50 47.00 5676.18
1962 29.00 96.00 198.50 470.50 468.50 735.00 970.00 890.50 764.50 0.00 z 237.00 80.50 4940.00
1963 12.50 291.00 208.00 267.00 630.50 721.00 857.00 901.00 817.00 472.50 178.50 56.00 5412.00
1964 46.00 69.50 179.00 324.50 523.00 723.50 990.50 942.00 716.50 577.50 172.00 132.00 5396.00
1965 65.50 108.50 277.50 425.00 545.50 756.00 1013.50 954.50 705.00 588.00 258.50 60.00 5757.50
1966 50.50 81.50 269.00 476.00 652.50 755.50 909.00 989.00 793.00 499.50 236.00 94.00 5805.50
1967 83.00 122.00 192.00 208.50 637.50 852.00 1067.50 1130.00 872.31 d 467.00 202.00 35.50 5869.31
1968 66.50 268.00 328.50 381.50 572.00 825.50 1031.00 901.00 779.00 469.50 222.50 59.50 5904.50
1969 63.50 62.50 244.50 378.50 733.50 838.00 941.00 913.00 791.50 375.50 157.50 101.00 5600.00
1970 187.00 183.00 270.50 228.00 610.00 887.00 1048.50 978.50 671.00 453.00 257.00 56.00 5829.50
1971 35.50 108.00 180.00 308.00 573.50 687.00 1015.50 1046.00 672.00 394.00 140.00 11.00 5170.50
1972 63.50 168.50 373.50 330.00 657.50 808.00 1065.00 997.50 682.00 450.00 203.00 57.00 5855.50
1973 64.00 195.00 184.00 406.00 701.00 804.00 1016.00 940.00 760.50 418.00 176.00 151.50 5816.00
1974 83.00 53.50 241.00 336.00 547.50 844.50 939.50 1006.00 855.50 459.00 221.50 114.00 5701.00
1975 54.50 104.00 159.00 216.00 615.50 741.00 974.00 861.00 836.00 416.00 119.50 110.50 5207.00
1976 78.50 113.00 199.50 296.50 600.00 682.00 971.00 877.00 787.00 506.00 249.50 2.00 5362.00
1977 12.00 189.50 197.50 469.50 442.50 891.00 942.50 1059.50 691.00 456.00 208.00 171.50 5730.50
1978 159.00 167.50 387.00 337.00 533.50 766.50 957.50 908.50 603.00 548.00 119.00 43.00 5529.50
1979 29.50 125.50 366.50 375.00 625.50 760.50 939.00 889.50 784.50 580.45 b 142.50 98.00 5716.45
1980 107.00 211.00 208.50 405.50 546.50 0.00 z 985.00 873.00 797.00 562.50 235.50 122.00 5053.50
1981 110.00 155.50 308.00 451.50 586.50 782.00 970.00 0.00 z 0.00 z 434.00 a 236.50 150.00 4184.00
1982 32.00 139.50 210.00 303.50 636.00 828.50 953.50 958.00 700.50 514.50 136.00 90.50 5502.50
1983 113.00 172.50 303.50 316.50 633.50 728.00 849.00 952.00 674.00 506.50 207.50 124.00 5580.00
1984 84.00 137.00 324.50 339.00 596.50 727.00 1039.50 975.50 750.00 412.00 168.50 16.50 5570.00
1985 18.50 132.00 177.00 505.00 0.00 z 0.00 z 1089.50 950.00 0.00 z 437.10 a 62.00 33.50 3404.60
1986 165.50 219.50 401.50 390.50 606.00 898.00 902.50 1107.50 633.00 511.50 222.00 69.50 6127.00
1987 81.00 129.00 272.50 530.00 692.00 924.50 925.00 1014.00 755.00 0.00 z 258.75 b 88.00 5669.75
1988 85.00 195.50 257.50 472.00 546.50 743.50 1067.50 1002.50 825.00 688.00 217.50 44.50 6145.00
1989 48.50 86.50 272.00 546.00 588.50 824.50 915.00 940.50 785.50 471.50 167.50 68.50 5714.50
1990 87.50 112.00 332.50 548.50 538.50 756.50 1084.00 1005.00 876.00 505.00 170.50 23.00 6039.00
1991 77.00 253.50 182.00 309.50 0.00 z 629.00 937.00 924.50 788.00 525.00 260.50 36.50 4922.50
1992 56.50 215.00 335.50 458.00 692.00 819.00 920.00 945.00 679.50 496.00 168.00 28.50 5813.00
1993 20.00 64.50 353.50 322.50 560.00 652.50 725.50 824.00 706.00 516.00 46.50 52.50 4843.50
1994 88.00 81.00 261.00 358.00 588.50 675.50 996.00 874.50 742.50 364.50 34.00 56.50 5120.00
1995 117.50 258.00 189.00 284.00 521.00 636.50 919.50 807.50 784.50 411.00 307.50 160.00 5396.00
1996 72.50 209.50 247.50 344.00 453.50 655.50 1022.00 925.50 607.50 421.00 185.00 86.50 5230.00
1997 83.00 90.50 250.50 324.50 619.00 664.00 866.50 940.50 705.00 416.50 225.50 18.00 5203.50
1998 124.50 104.00 232.00 320.00 455.00 694.00 1010.00 946.00 775.00 382.00 200.00 77.00 5319.50
1999 74.50 77.00 165.00 268.50 467.58 a 659.50 878.50 935.00 721.00 444.50 255.50 53.00 4999.58
2000 62.50 178.50 158.00 416.00 543.50 739.50 878.50 910.00 716.00 456.00 98.50 50.00 5207.00
2001 27.00 85.00 259.00 267.00 629.50 673.00 891.50 965.00 760.50 432.50 196.00 0.00 z 5186.00
2002 91.50 136.00 153.50 382.50 514.00 802.00 0.00 z 934.00 770.50 374.00 0.00 z 71.00 4229.00
2003 0.00 z 102.00 0.00 z 258.50 0.00 z 866.00 1120.50 1033.00 872.50 0.00 z 142.50 109.50 4504.50
2004 114.00 123.50 385.50 457.50 0.00 z 824.00 1078.50 1076.00 721.50 484.50 108.00 70.00 5443.00
2005 39.00 127.00 313.00 334.50 626.50 672.00 1066.50 1066.50 703.00 467.50 117.93 a 93.50 5626.93
2006 59.50 111.50 144.50 367.50 625.17 a 857.50 1129.00 966.50 772.00 449.00 206.00 74.50 5762.67
2007 26.35 a 98.00 299.50 369.00 629.82 a 768.50 1036.00 962.50 711.50 382.50 168.62 a 63.50 5515.79
2008 25.83 a 94.00 169.00 263.50 616.00 729.50 1016.00 997.00 800.00 448.50 226.50 25.00 5410.83
2009 66.81 b 87.50 189.50 330.00 660.82 a 808.50 1095.00 994.00 824.00 402.50 116.00 54.00 5628.63
2010 184.00 172.50 218.00 263.00 437.50 700.00 1022.00 972.50 737.00 484.50 172.50 95.00 5458.50
2011 80.50 49.00 193.50 260.50 451.00 713.50 880.50 1010.00 834.50 464.50 124.50 32.50 5094.50
2012 50.50 97.00 139.00 388.50 599.00 696.50 999.00 1054.50 834.50 501.00 230.00 61.00 5650.50
2013 23.00 51.00 250.07 a 30.00 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 324.07
Period of Record Statistics
MEAN 67.85 126.41 243.58 371.80 571.76 734.76 955.37 931.15 717.55 451.78 171.08 72.36 5404.52
S.D. 42.06 60.48 78.43 86.42 88.34 81.48 80.91 74.88 77.39 67.91 63.17 42.12 390.14
SKEW 0.71 0.59 0.64 0.05 -0.09 0.32 -0.14 -0.11 -0.09 0.23 -0.07 0.75 0.21
MAX 187.00 311.00 519.50 580.50 779.00 924.50 1129.00 1130.00 876.00 688.00 307.50 199.00 6316.87
MIN 0.00 20.74 73.00 186.00 356.50 578.00 725.50 746.00 531.43 279.50 34.00 2.00 4639.50
NO YRS 119 121 119 120 116 117 118 119 117 116 119 119 104