PACKWOOD, WASHINGTON

Monthly Total Growing Degree Days

(456262)

Base Temperature = 40 F

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 200603
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
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 483.50 l 689.50 g 798.54 d 386.00 l 0.00 z 0.00 z 0.00 z 798.54
1949 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 540.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 540.50
1950 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 923.50 0.00 z 0.00 z 0.00 z 43.00 f 1.50 z 923.50
1951 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
1952 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
1953 29.50 p 23.33 d 112.08 e 234.23 d 287.50 i 350.50 i 430.50 o 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 369.64
1954 0.00 l 11.00 50.00 179.00 460.00 474.50 648.93 a 693.22 b 312.00 o 291.50 g 158.50 m 3.50 u 2516.66
1955 6.00 m 11.00 j 13.50 m 54.00 j 184.50 o 0.00 z 540.12 e 639.12 a 0.00 z 0.00 z 32.50 k 3.74 b 1182.97
1956 8.00 2.00 f 34.00 269.50 0.00 z 501.50 797.45 b 725.50 550.50 277.00 95.40 e 36.50 3295.35
1957 0.50 14.00 152.33 b 299.00 542.50 630.00 c 652.50 641.00 676.03 a 312.00 50.36 b 20.00 3990.22
1958 27.50 128.50 89.26 b 207.50 610.00 718.00 914.50 783.00 449.00 g 392.00 103.45 a 54.77 a 4028.47
1959 25.50 13.00 79.50 223.50 351.50 573.60 e 791.57 b 668.16 c 383.00 g 374.00 128.00 10.00 3238.33
1960 9.00 50.00 142.00 245.00 353.50 457.00 f 803.50 512.50 h 498.21 b 319.09 b 46.00 f 19.63 a 2439.93
1961 50.12 a 43.50 108.50 c 215.00 374.58 a 669.50 783.50 813.50 454.50 235.50 27.32 b 7.00 3782.52
1962 39.00 76.74 a 56.50 288.50 292.00 513.00 668.00 686.00 592.76 a 311.07 b 111.60 e 24.50 j 3635.17
1963 15.50 a 119.00 76.00 167.50 416.50 520.18 b 636.00 705.00 602.50 326.50 50.00 c 2.50 n 3634.68
1964 0.00 c 12.00 49.00 125.00 301.50 0.00 z 796.00 684.00 477.22 c 322.50 f 32.59 a 18.50 2495.81
1965 0.00 33.00 98.50 271.00 299.50 559.14 a 764.00 771.00 406.50 360.50 149.48 a 17.50 3730.12
1966 0.00 1.50 105.00 232.00 408.68 a 496.50 671.00 662.50 582.00 196.00 i 79.62 d 31.52 a 3270.32
1967 10.50 26.00 30.00 107.00 390.60 a 629.00 743.50 851.00 662.50 371.40 e 0.00 z 3.50 m 3821.50
1968 16.00 j 110.00 i 125.00 j 120.50 k 330.00 i 583.45 a 783.50 692.00 566.00 319.19 d 55.50 k 11.00 j 2944.13
1969 0.00 k 1.00 j 69.00 l 160.00 j 403.50 h 716.50 702.50 652.50 570.50 220.50 g 63.00 n 18.00 l 2642.00
1970 9.50 l 66.50 i 71.00 i 101.50 h 354.00 g 661.50 768.50 772.00 491.50 270.14 c 67.50 l 0.00 n 2963.64
1971 2.50 l 11.00 l 15.00 n 142.50 g 280.50 l 291.00 i 791.00 845.00 465.00 184.50 j 23.00 k 0.00 m 2101.00
1972 0.00 j 3.00 i 104.00 h 101.50 k 386.50 f 426.50 h 742.00 737.36 c 404.50 274.41 d 22.00 l 9.50 2167.76
1973 0.50 f 19.00 l 36.00 k 195.00 b 401.50 393.50 g 719.41 b 641.00 625.00 279.50 16.50 33.00 2910.91
1974 16.50 9.33 d 108.00 193.50 330.00 616.50 715.50 751.00 669.00 203.50 k 0.00 z 40.82 a 3450.15
1975 26.00 18.31 b 32.00 128.50 470.54 c 486.00 767.50 665.50 0.00 z 236.50 80.00 46.00 2956.84
1976 31.00 11.50 52.50 222.50 432.50 491.50 737.50 640.00 595.50 325.00 132.22 c 24.50 3696.22
1977 10.50 94.00 39.00 332.00 334.50 641.00 716.00 875.50 491.00 299.50 28.50 22.00 3883.50
1978 21.00 71.50 191.50 231.00 372.00 673.00 793.00 760.50 455.00 366.00 33.00 0.00 3967.50
1979 0.00 1.00 152.50 236.00 492.50 618.00 840.50 770.00 666.00 373.00 62.50 39.00 4251.00
1980 1.00 33.50 60.50 348.00 434.50 504.50 791.50 690.50 572.00 405.50 129.50 91.45 a 4062.45
1981 121.50 67.50 221.00 276.50 455.00 557.50 805.50 982.24 d 633.50 286.00 128.00 15.50 4549.74
1982 2.50 30.00 94.00 201.50 474.00 754.00 800.50 846.00 617.00 339.50 34.00 8.50 4201.50
1983 44.50 81.50 194.50 279.00 581.50 612.50 758.00 876.00 529.50 334.50 89.50 2.00 4383.00
1984 56.50 46.00 206.50 191.00 377.50 612.50 844.00 808.50 542.00 239.50 45.50 2.50 3972.00
1985 2.50 9.00 78.00 269.50 492.00 641.00 995.00 764.50 486.00 263.00 46.00 0.00 4046.50
1986 36.50 60.00 198.00 198.10 a 474.00 724.00 655.50 916.00 514.50 379.00 79.50 3.50 4238.60
1987 3.00 74.50 133.50 296.00 483.50 647.50 704.50 781.50 647.00 407.50 149.00 8.00 4335.50
1988 2.00 79.00 73.50 233.00 413.50 578.00 716.50 754.50 559.50 475.00 58.00 37.50 3980.00
1989 14.50 4.00 57.00 308.50 394.50 0.00 z 699.50 702.00 592.00 308.00 117.00 46.50 3243.50
1990 18.50 23.50 173.00 343.00 402.50 579.00 850.00 800.50 699.00 220.50 101.00 3.00 4213.50
1991 7.50 104.50 57.00 182.00 392.50 528.50 812.50 814.00 648.00 326.50 105.00 37.00 4015.00
1992 32.00 139.50 248.00 303.00 566.50 692.00 787.00 811.00 517.00 357.53 a 70.50 2.50 4526.53
1993 6.00 43.00 157.00 199.00 553.00 515.00 599.50 726.00 578.50 391.50 26.00 8.00 3802.50
1994 35.50 5.00 169.50 313.00 481.00 521.00 787.50 746.50 646.50 281.50 10.50 3.00 4000.50
1995 74.00 111.50 131.00 204.50 482.50 540.50 798.50 657.00 641.50 270.00 147.50 21.50 4080.00
1996 23.00 53.00 112.50 221.00 318.50 537.00 820.50 760.50 473.50 288.50 72.00 3.00 3683.00
1997 6.00 44.00 74.00 185.50 498.00 540.00 715.00 793.50 619.50 249.00 142.00 12.00 3878.50
1998 23.50 71.50 132.00 284.00 390.00 582.50 862.00 805.00 658.00 319.00 86.00 13.00 4226.50
1999 6.00 7.00 80.50 190.50 308.00 504.50 694.50 768.00 588.50 293.00 124.00 13.50 3578.00
2000 0.50 46.50 73.50 307.24 a 401.00 581.00 728.50 0.00 z 574.50 300.18 a 29.50 20.67 a 3063.09
2001 37.72 a 16.00 141.50 169.00 459.66 b 494.00 690.50 773.00 601.00 234.00 98.00 1.00 3715.37
2002 27.00 39.00 41.00 225.50 376.50 594.50 780.00 744.50 566.50 317.00 143.00 11.50 3866.00
2003 68.50 39.50 120.00 203.50 417.50 670.00 810.00 790.00 656.50 420.50 41.50 16.50 4254.00
2004 11.00 46.50 200.97 b 360.50 465.50 634.50 856.50 804.97 a 554.50 371.00 89.50 45.50 4440.93
2005 105.50 90.00 207.50 278.50 557.00 583.50 825.50 835.50 557.50 421.50 32.50 26.50 4521.00
2006 16.50 13.50 80.50 237.41 a 462.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 810.41
Period of Record Statistics
MEAN 23.86 46.43 112.22 237.72 429.27 587.87 762.25 758.35 569.69 322.69 80.36 20.17 4060.38
S.D. 26.96 36.86 58.23 59.22 79.04 73.10 81.86 76.40 74.18 58.75 42.36 18.64 269.93
SKEW 1.87 0.78 0.51 0.07 0.25 0.38 0.01 0.39 -0.38 0.35 0.10 1.50 0.18
MAX 121.50 139.50 248.00 360.50 610.00 754.00 995.00 982.24 699.00 475.00 149.48 91.45 4549.74
MIN 0.00 1.00 30.00 107.00 292.00 474.50 540.12 639.12 404.50 220.50 10.50 0.00 3578.00
NO YRS 45 46 47 48 46 46 53 51 47 45 42 44 31