ELWHA RANGER STN, WASHINGTON

Monthly Total Growing Degree Days

(452548)

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 617.07 a 689.50 634.98 a 509.00 268.00 40.50 2.98 e 2762.03
1949 1.50 15.12 c 95.00 202.50 478.00 533.50 626.00 654.00 601.55 a 226.50 209.00 26.00 3668.67
1950 2.00 9.00 39.00 165.00 320.50 583.50 680.00 714.03 a 560.00 230.50 59.48 a 0.00 z 3363.02
1951 0.00 z 16.50 24.00 f 288.10 a 415.00 630.50 726.50 674.00 574.50 276.00 85.50 6.00 3692.60
1952 4.00 41.50 75.50 223.00 409.50 463.00 698.00 731.00 598.00 413.50 83.50 30.50 3771.00
1953 79.00 34.50 95.00 201.00 421.00 416.50 673.50 693.50 623.50 338.79 c 91.50 f 51.00 3627.29
1954 11.00 32.00 47.50 138.75 b 403.00 409.00 619.48 a 641.50 526.00 265.00 147.00 j 43.92 a 3137.15
1955 17.16 c 10.00 29.00 122.00 298.00 478.45 a 592.50 645.32 a 257.50 q 262.43 b 78.60 e 3.88 c 2537.33
1956 2.50 3.11 a 39.27 a 270.00 d 524.00 420.50 739.87 a 764.84 b 395.00 g 193.00 f 41.00 g 34.50 f 2764.09
1957 1.00 14.58 d 97.43 c 272.68 b 542.50 d 561.67 c 613.59 b 661.00 670.50 306.90 a 59.00 28.93 a 3829.78
1958 38.50 l 111.46 b 83.50 249.50 586.00 723.00 e 920.70 a 825.50 564.00 318.50 67.50 68.50 4518.16
1959 23.50 40.50 91.50 235.00 271.00 h 514.29 b 774.50 665.50 473.50 315.00 93.50 33.00 3259.79
1960 19.50 38.50 106.50 230.50 339.21 e 543.50 785.50 659.50 516.50 324.00 60.00 31.00 3654.21
1961 57.35 a 81.50 131.00 225.50 409.50 617.07 a 798.50 820.00 504.00 223.50 40.00 13.50 3921.42
1962 40.50 66.00 63.00 245.50 316.00 502.00 651.00 625.50 560.50 304.50 102.50 71.09 b 3548.09
1963 13.00 100.00 71.09 b 192.41 a 413.50 523.45 a 578.50 664.00 607.22 c 256.00 f 85.00 c 31.00 g 3248.17
1964 14.43 b 39.04 c 84.39 d 150.00 f 347.20 a 397.00 f 624.50 621.50 333.00 i 178.50 k 30.00 d 7.50 n 1761.06
1965 4.50 k 54.00 g 126.30 d 227.59 a 337.26 b 547.00 758.00 735.00 302.00 l 345.17 e 80.50 m 43.50 h 3076.31
1966 6.00 r 40.83 d 88.19 b 219.44 c 400.93 a 473.00 636.00 713.00 583.80 e 278.45 c 63.50 h 76.90 e 3510.55
1967 26.02 c 53.00 40.09 b 130.18 b 277.00 j 651.43 b 702.00 866.00 636.50 325.50 125.00 34.50 h 3555.71
1968 51.00 i 0.00 z 164.54 e 129.00 h 427.11 d 506.67 c 767.77 a 677.00 522.12 d 266.48 e 82.50 13.50 3427.68
1969 0.52 a 0.00 a 106.50 182.00 490.12 b 532.50 f 691.82 a 601.83 b 446.00 f 210.50 g 94.80 e 27.79 b 2195.38
1970 13.50 59.50 130.50 163.00 356.00 619.14 a 703.70 a 718.17 d 456.00 254.00 92.78 c 1.66 c 3567.94
1971 43.00 44.00 33.77 c 205.00 425.45 b 426.50 703.59 c 778.62 a 490.00 c 160.50 m 49.00 g 0.00 z 3149.92
1972 0.00 z 15.50 110.00 77.00 381.50 0.00 z 0.00 z 0.00 z 432.00 271.00 76.50 74.50 1438.00
1973 21.00 35.50 102.50 236.00 399.00 470.00 656.00 583.50 526.00 0.00 z 21.50 29.50 3080.50
1974 31.00 5.00 98.00 190.00 307.50 486.50 603.97 b 705.00 645.50 280.50 112.00 36.50 3501.47
1975 12.50 2.50 41.00 130.50 368.68 c 497.78 c 717.50 579.00 521.40 e 250.50 105.58 d 35.00 3261.93
1976 30.00 26.50 24.00 181.50 375.00 404.50 610.50 617.00 595.00 319.50 142.50 39.00 3365.00
1977 0.00 e 65.50 49.00 258.00 308.50 521.00 550.50 825.00 444.50 240.54 d 33.00 g 7.50 z 3262.54
1978 0.50 64.00 76.00 g 96.50 q 361.15 a 637.78 c 749.00 688.50 455.69 a 335.50 37.24 a 16.50 3345.86
1979 0.00 7.50 147.50 241.00 411.00 508.00 723.00 699.50 556.50 346.50 35.50 f 70.50 3711.00
1980 8.00 43.50 79.00 259.50 399.00 454.50 648.00 645.00 510.00 313.50 119.50 98.34 b 3577.84
1981 44.00 57.50 158.00 128.00 f 352.00 428.00 643.00 781.50 500.00 231.50 140.19 d 10.91 d 3346.60
1982 12.00 31.00 33.07 a 109.50 0.00 z 601.03 a 598.50 592.62 a 487.76 a 201.00 11.50 5.00 2682.98
1983 6.00 g 36.00 84.00 224.00 383.37 a 430.50 545.00 683.00 440.50 257.62 b 116.50 2.07 a 3202.55
1984 60.00 29.00 148.50 179.00 304.83 a 446.00 645.00 0.00 z 434.00 193.50 34.50 2.50 2476.83
1985 0.00 13.00 30.00 197.00 398.87 a 513.21 b 835.00 718.50 473.00 247.00 37.00 0.00 i 3462.58
1986 25.00 i 14.00 0.00 z 116.00 l 332.14 c 0.00 z 480.00 683.00 g 508.00 375.50 34.50 p 11.50 i 1709.64
1987 11.88 a 38.50 i 98.00 201.35 d 433.50 585.54 b 630.00 711.00 610.00 380.50 148.50 15.00 3825.27
1988 5.00 53.00 90.50 220.50 341.00 463.50 638.00 682.50 517.00 339.00 71.00 35.00 3456.00
1989 24.50 0.00 29.00 299.00 412.00 593.50 623.50 636.00 604.00 293.50 87.50 34.00 3636.50
1990 19.50 0.00 114.00 272.50 376.50 506.00 782.00 767.00 593.50 200.00 101.50 14.00 3746.50
1991 14.00 87.00 47.00 204.50 361.50 453.00 660.00 717.00 559.50 277.00 83.00 36.50 3500.00
1992 52.00 65.00 234.50 256.00 476.00 645.50 724.00 734.00 469.50 319.00 81.00 6.00 4062.50
1993 1.50 10.00 128.00 215.00 520.00 505.00 583.50 678.50 595.00 368.50 38.00 26.50 3669.50
1994 42.50 5.00 130.50 296.00 433.00 485.50 730.00 707.00 595.50 253.50 22.50 23.50 3724.50
1995 23.50 55.00 97.00 229.00 528.50 550.50 741.50 579.00 607.50 231.00 135.00 27.50 3805.00
1996 33.50 31.50 101.50 227.50 290.50 462.50 733.50 728.50 449.00 209.00 53.00 1.00 3321.00
1997 9.00 35.50 63.00 202.00 463.00 485.00 642.00 756.50 542.00 247.50 83.50 25.50 3554.50
1998 16.50 40.50 118.50 219.50 434.50 0.00 z 0.00 z 730.50 639.50 247.50 98.50 28.50 2574.00
1999 2.50 4.67 a 44.00 229.04 d 291.00 444.83 a 597.02 b 675.28 a 540.52 a 242.83 a 84.00 20.50 3176.18
2000 0.55 c 9.50 55.28 a 238.97 a 317.15 e 528.10 a 660.30 a 660.00 526.00 234.05 a 30.00 b 10.73 e 3270.64
2001 5.68 a 3.50 95.98 e 198.89 c 362.24 d 430.00 587.50 657.20 a 521.50 231.97 b 81.96 b 1.11 c 3177.53
2002 31.00 7.50 22.50 i 236.00 323.50 561.96 b 649.50 720.20 c 549.00 221.50 107.50 32.50 3440.16
2003 61.50 17.65 e 101.00 189.50 346.50 606.00 741.00 715.00 603.00 343.00 30.00 8.00 3762.15
2004 25.26 d 26.00 162.00 317.00 437.00 589.50 747.00 750.50 470.00 318.00 82.00 26.00 3950.26
2005 61.00 f 26.00 169.50 246.00 454.00 509.50 671.00 758.50 530.00 278.00 38.50 41.00 3722.00
2006 33.00 10.35 e 52.00 l 235.71 b 405.07 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 684.13
Period of Record Statistics
MEAN 20.44 32.44 90.99 215.20 395.43 520.09 676.81 695.77 540.17 281.57 79.60 28.40 3595.39
S.D. 19.24 26.50 44.47 48.60 68.52 74.48 78.81 64.53 61.66 51.90 39.49 22.78 236.74
SKEW 1.06 0.93 0.63 -0.55 0.63 0.49 0.35 0.35 0.04 0.40 0.63 1.08 -0.11
MAX 79.00 111.46 234.50 317.00 586.00 723.00 920.70 866.00 670.50 413.50 209.00 98.34 4062.50
MIN 0.00 0.00 24.00 77.00 290.50 404.50 480.00 579.00 432.00 193.50 11.50 1.00 3176.18
NO YRS 49 55 53 53 55 53 56 55 53 52 49 48 26