HUMPTULIPS SALMON HTCH, WASHINGTON

Monthly Total Heating Degree Days

(453826)

Base Temperature = 65 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
1987 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 161.72 a 133.00 185.50 386.97 b 529.50 828.50 2225.18
1988 795.50 608.50 653.00 489.00 415.00 304.50 173.00 177.73 a 281.38 a 367.50 626.50 750.00 5641.61
1989 808.00 851.93 a 723.00 457.00 377.50 219.00 192.50 169.50 192.00 428.50 606.50 719.00 5744.43
1990 706.00 767.00 600.00 459.00 409.00 275.50 108.00 109.00 157.00 521.50 615.00 966.50 5693.50
1991 850.50 523.50 734.00 562.00 448.00 322.50 181.50 159.50 175.00 477.50 600.50 726.50 5761.00
1992 678.50 571.00 535.00 495.00 318.00 204.00 142.50 154.00 303.50 412.50 646.50 858.50 5319.00
1993 938.00 723.00 632.00 521.50 288.00 257.50 223.50 141.50 251.00 416.50 757.00 806.00 5955.50
1994 681.00 739.00 613.50 485.50 387.50 297.50 172.00 138.00 171.00 524.50 780.00 808.50 5798.00
1995 657.50 585.00 653.00 550.00 327.50 254.50 132.50 202.50 120.00 469.50 549.00 711.00 5212.00
1996 778.00 673.50 612.50 485.00 492.50 293.50 142.00 140.00 291.00 495.50 658.50 814.50 5876.50
1997 748.00 636.50 688.00 546.00 327.50 267.00 137.50 86.50 179.00 446.00 539.50 749.00 5350.50
1998 0.00 z 582.50 621.50 558.50 378.50 0.00 z 119.00 127.00 185.00 462.00 578.00 859.00 4471.00
1999 750.72 a 691.50 717.50 611.38 a 497.00 312.50 206.50 125.50 264.50 512.53 a 559.14 a 685.50 5934.27
2000 821.00 661.63 b 708.50 483.89 c 431.50 223.00 168.50 191.50 244.50 500.50 733.50 792.00 5960.02
2001 723.33 a 722.00 657.00 595.50 439.00 335.17 a 205.50 151.90 a 242.50 479.00 618.00 769.50 5938.41
2002 722.00 669.00 719.50 572.00 535.50 245.00 167.50 166.50 282.50 489.00 580.50 710.00 5859.00
2003 607.50 689.50 624.50 545.00 422.00 196.50 125.00 129.50 217.00 404.00 741.92 d 778.00 5480.42
2004 775.50 642.50 626.00 475.00 364.00 214.50 118.50 84.00 300.50 429.00 677.50 736.00 5443.00
2005 759.00 668.00 364.00 i 398.50 254.50 214.00 114.50 94.00 254.50 366.50 609.00 743.50 4476.00
2006 660.50 673.50 643.50 496.50 353.50 207.00 132.00 162.50 224.50 474.50 668.50 783.50 5480.00
2007 861.00 633.00 652.03 a 539.00 308.50 18.00 z 63.50 s 145.00 298.00 531.50 698.50 818.00 5484.53
2008 883.00 685.00 728.50 644.00 419.00 346.50 189.50 168.00 275.40 e 520.50 287.50 l 234.50 r 4859.40
2009 298.00 u 724.50 765.00 567.50 0.00 z 0.00 z 0.00 z 162.00 211.00 501.50 615.00 903.50 4450.00
2010 604.00 581.50 652.79 e 569.00 487.00 351.50 211.50 98.00 p 0.00 z 201.50 s 365.50 q 735.50 4192.79
2011 459.00 m 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 53.00 t 90.50 m 0.00 z 60.50 z 728.04 b 824.82 c 1552.86
2012 800.26 d 661.82 a 727.98 a 510.00 b 536.50 357.86 b 189.50 123.00 254.00 518.50 601.00 758.50 6038.92
2013 853.00 705.00 650.50 29.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 26.00 z 2208.50
Period of Record Statistics
MEAN 759.21 666.80 664.12 525.66 400.74 271.38 161.49 143.40 231.68 463.98 638.21 785.41 5693.67
S.D. 87.94 70.40 54.48 56.05 77.57 53.52 34.80 30.72 51.85 51.51 71.54 65.57 254.61
SKEW 0.02 0.30 -0.11 -0.03 0.06 0.15 0.09 -0.24 -0.33 -0.49 0.42 0.88 -0.44
MAX 938.00 851.93 765.00 644.00 536.50 357.86 223.50 202.50 303.50 531.50 780.00 966.50 6038.92
MIN 604.00 523.50 535.00 398.50 254.50 196.50 108.00 84.00 120.00 366.50 529.50 685.50 5212.00
NO YRS 23 25 24 24 23 21 23 24 24 24 24 25 18