SEQUIM 2 E, WASHINGTON

Monthly Total Growing Degree Days

(457544)

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
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 281.00 134.00 118.00 533.00
1981 74.50 93.50 155.50 187.50 361.50 438.50 584.50 661.50 443.00 237.00 133.00 42.50 3412.50
1982 27.50 60.50 58.50 105.00 314.50 527.00 563.50 574.50 498.50 281.00 63.00 39.50 3113.00
1983 67.50 99.00 150.00 185.50 413.00 501.00 598.50 635.00 410.00 204.50 161.00 7.50 3432.50
1984 80.50 68.00 145.50 184.00 304.00 459.00 579.00 600.50 404.00 220.50 86.50 8.00 3139.50
1985 17.50 34.50 58.00 180.50 347.00 474.00 652.50 591.50 416.00 277.00 44.50 6.00 3099.00
1986 86.50 62.00 163.00 148.00 343.00 500.50 531.50 684.00 449.50 264.00 99.50 46.00 3377.50
1987 48.50 100.50 125.50 228.50 393.50 502.00 602.50 599.00 474.00 277.50 179.00 53.00 3583.50
1988 20.50 66.00 72.00 188.00 332.00 439.00 583.50 591.00 416.79 b 314.50 107.00 63.50 3193.79
1989 22.50 10.50 75.50 232.00 355.00 514.50 584.50 585.50 487.00 237.50 117.00 74.50 3296.00
1990 47.50 29.50 91.00 244.00 377.00 481.50 676.50 658.00 511.00 240.00 125.50 19.50 3501.00
1991 28.00 115.50 55.00 188.00 360.50 432.00 602.50 634.50 508.00 246.50 140.00 82.50 3393.00
1992 83.50 88.50 173.50 255.50 403.00 563.50 631.50 599.50 381.50 298.50 110.00 17.00 3605.50
1993 14.50 19.00 119.50 213.00 503.50 495.00 557.50 623.00 410.00 301.50 43.00 42.00 3341.50
1994 69.50 24.00 133.00 251.50 413.50 440.00 631.50 646.00 515.00 198.00 49.00 44.50 3415.50
1995 56.00 87.50 105.00 199.50 438.50 531.50 661.50 537.00 511.00 266.50 158.00 59.00 3611.00
1996 42.00 45.00 98.50 234.50 272.00 454.00 646.50 0.00 z 410.00 208.50 74.50 9.00 2494.50
1997 53.00 42.00 92.00 161.00 438.50 503.50 657.50 685.00 532.50 316.00 143.50 30.00 3654.50
1998 59.50 107.50 160.00 183.50 444.00 532.00 682.00 662.00 523.00 241.50 138.00 44.50 3777.50
1999 26.50 48.00 81.50 142.00 286.75 a 413.00 502.64 c 631.00 421.11 c 224.75 a 141.50 47.05 c 2965.81
2000 13.95 a 31.50 f 61.00 f 131.00 h 338.93 a 515.19 d 631.00 580.50 417.12 d 256.02 b 53.79 a 19.00 2825.50
2001 57.00 9.50 85.50 165.56 c 329.00 445.86 a 490.32 a 498.67 b 372.50 226.50 107.50 7.50 2795.41
2002 56.32 a 0.50 n 55.00 180.50 324.50 538.00 642.50 626.50 451.50 245.00 124.50 55.50 3299.82
2003 93.00 48.00 159.50 206.00 343.50 580.00 673.50 655.00 532.00 326.00 54.00 30.50 3701.00
2004 82.00 67.50 166.50 295.50 426.50 568.00 701.00 691.50 442.50 298.50 102.00 75.50 3917.00
2005 104.50 28.50 165.00 227.50 463.50 509.00 649.50 622.50 446.50 299.50 38.50 71.50 3626.00
2006 54.50 20.00 115.50 198.50 396.00 557.50 685.00 581.00 472.50 247.00 93.50 28.50 3449.50
2007 26.50 60.50 120.00 175.00 325.00 462.50 680.00 639.50 442.00 225.00 79.00 22.50 3257.50
2008 18.00 45.00 31.50 88.00 361.00 436.00 563.00 626.50 475.00 234.00 186.00 20.50 3084.50
2009 27.50 16.00 62.00 198.50 365.00 552.00 691.00 637.00 491.00 291.00 104.00 17.00 3452.00
2010 114.50 97.50 116.00 212.50 315.00 479.50 610.50 579.50 480.50 284.00 100.00 70.50 3460.00
2011 61.50 32.50 103.00 94.50 319.50 482.00 585.50 635.00 532.00 246.00 46.00 13.50 3151.00
2012 23.50 47.50 66.00 209.50 349.50 437.50 583.00 672.00 468.50 269.50 115.00 22.00 3263.50
2013 29.00 57.00 86.50 8.00 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 172.50
Period of Record Statistics
MEAN 51.13 55.82 107.64 192.36 367.43 492.64 616.11 620.76 460.80 260.13 104.58 39.62 3381.72
S.D. 28.00 30.71 40.59 45.92 54.22 45.89 54.92 43.58 46.57 34.39 40.88 26.77 253.55
SKEW 0.45 0.31 0.06 -0.37 0.55 0.15 -0.43 -0.64 -0.05 0.10 0.02 0.82 -0.14
MAX 114.50 115.50 173.50 295.50 503.50 580.00 701.00 691.50 532.50 326.00 186.00 118.00 3917.00
MIN 13.95 9.50 31.50 88.00 272.00 413.00 490.32 498.67 372.50 198.00 38.50 6.00 2795.41
NO YRS 33 31 32 31 32 32 32 31 32 33 33 33 29