SILVER LAKE RANGER STN, OREGON

Monthly Total Growing Degree Days

(357817)

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
1968 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 3.00 3.00
1969 16.00 0.00 63.50 118.00 430.00 615.00 d 723.33 a 680.50 531.96 b 129.54 c 52.50 2.50 3362.83
1970 19.00 20.00 53.00 54.50 336.50 615.00 798.00 755.50 378.50 197.00 33.00 2.07 a 3262.07
1971 37.00 29.50 24.00 99.00 351.50 427.50 734.50 915.50 426.50 244.26 b 52.50 f 0.00 c 3289.26
1972 3.00 g 14.50 a 114.50 71.00 288.50 581.90 a 781.00 723.16 b 361.55 a 222.17 a 14.00 24.00 3196.27
1973 5.50 8.50 16.50 128.00 457.50 572.50 790.50 726.00 507.50 221.00 42.00 5.50 3481.00
1974 11.50 14.00 45.50 102.00 311.50 695.00 776.00 816.50 560.00 224.00 60.50 17.00 3633.50
1975 24.50 9.50 18.50 16.00 299.00 468.50 822.00 621.00 560.50 263.00 52.00 37.50 3192.00
1976 11.00 i 0.00 k 45.50 78.00 371.00 433.50 757.50 608.00 549.00 258.00 112.00 5.00 3217.50
1977 0.50 42.00 22.50 240.00 190.50 668.00 749.50 864.50 492.00 267.00 67.50 26.50 3630.50
1978 11.50 25.50 133.00 69.50 264.00 541.50 745.00 689.50 388.50 319.82 a 50.00 0.00 z 3237.82
1979 0.00 m 14.50 f 55.50 i 54.50 n 183.50 m 0.00 z 764.00 725.50 621.21 a 349.00 6.00 n 37.00 r 2459.71
1980 9.00 21.50 17.50 213.00 300.70 a 377.07 a 775.50 604.00 505.34 a 263.50 76.50 28.42 a 3192.03
1981 28.33 b 21.00 b 3.62 a 194.44 c 301.50 495.00 656.50 793.50 495.52 a 181.00 46.50 8.00 3224.91
1982 5.68 a 20.50 16.50 66.50 238.50 519.50 647.00 712.50 412.50 182.00 23.00 3.50 2847.68
1983 11.50 9.00 39.50 68.00 352.50 441.00 601.50 745.00 402.50 262.50 48.00 2.50 2983.50
1984 16.00 8.50 63.50 67.50 311.50 381.50 776.50 739.00 431.50 161.72 a 3.50 0.00 2960.72
1985 0.00 4.50 10.50 k 251.00 335.50 540.50 0.00 z 580.45 b 124.50 s 166.37 a 19.00 f 0.00 1878.31
1986 4.00 30.07 a 100.00 96.00 303.50 651.00 562.00 820.50 302.00 198.50 43.50 0.00 3111.07
1987 1.50 1.00 30.50 266.00 410.50 601.50 595.50 664.50 0.00 z 280.50 70.50 30.50 2952.50
1988 2.00 17.50 40.00 254.00 306.00 533.50 774.50 699.00 457.50 398.50 56.00 9.50 3548.00
1989 7.50 2.50 56.00 247.50 266.00 564.00 695.50 599.00 430.00 159.00 70.50 8.50 3106.00
1990 3.50 10.50 65.50 243.50 204.50 487.50 811.00 747.50 572.50 275.26 b 40.00 7.50 3468.76
1991 6.50 14.50 k 8.00 61.00 191.50 384.50 797.50 961.00 591.00 324.50 90.00 6.00 m 3415.50
1992 5.00 k 66.50 103.00 242.50 518.00 642.00 714.50 802.50 493.50 291.50 40.50 0.00 a 3914.50
1993 0.00 p 0.00 a 12.00 j 28.00 t 251.50 k 177.00 n 456.73 a 608.50 491.50 270.00 6.00 0.00 o 1832.73
1994 21.00 1.50 83.00 248.57 b 354.50 446.00 830.00 707.50 527.00 140.00 8.79 a 4.13 a 3372.00
1995 14.50 69.00 19.00 93.50 298.50 451.50 735.50 632.50 539.50 158.00 75.50 11.00 m 3087.00
1996 4.65 a 44.00 43.00 139.00 212.00 393.00 807.00 789.00 407.50 212.00 58.00 3.00 3112.15
1997 14.00 12.00 89.00 107.50 481.53 a 510.50 749.50 818.50 511.50 178.77 a 32.07 a 0.00 a 3504.87
1998 4.00 0.00 a 58.38 a 116.50 47.00 n 456.50 850.00 799.00 599.00 135.50 19.50 16.50 3054.88
1999 13.50 3.00 50.50 137.50 318.50 473.50 664.43 a 751.00 482.00 294.00 152.00 2.07 a 3342.00
2000 1.00 6.50 19.50 169.50 349.00 633.00 778.50 795.50 391.03 a 177.22 a 8.50 0.00 b 3329.25
2001 2.07 a 6.74 a 97.65 a 77.50 453.50 476.00 707.32 a 830.00 564.83 a 206.00 16.50 0.00 3438.10
2002 11.00 18.50 40.50 157.00 310.50 627.50 896.00 651.50 406.00 120.00 24.50 4.50 3267.50
2003 17.50 3.00 71.00 38.50 0.00 z 596.00 880.50 727.50 544.50 283.50 14.50 7.50 3184.00
2004 0.50 0.00 135.00 156.50 292.50 508.00 797.00 709.00 405.00 217.52 a 13.00 3.00 3237.02
2005 3.50 0.00 z 60.00 129.00 322.00 367.50 835.00 775.00 369.50 202.50 13.97 a 8.00 3085.97
2006 9.50 0.00 13.00 137.00 382.50 651.00 905.50 635.00 535.00 159.81 b 67.00 6.50 3501.81
2007 0.50 22.00 111.50 147.00 396.00 591.00 963.50 816.50 464.50 152.50 53.00 8.50 3726.50
2008 0.00 2.50 28.50 73.00 301.50 454.50 779.50 754.50 473.00 192.50 87.00 6.00 3152.50
2009 1.00 0.00 14.00 135.00 379.50 514.50 842.50 762.00 606.50 136.50 13.50 8.00 h 3405.00
2010 11.00 6.50 47.02 a 92.00 193.50 473.00 802.00 722.00 530.50 285.50 95.00 3.00 3261.02
2011 14.50 26.00 21.00 51.00 150.50 423.50 675.50 741.50 403.00 j 125.50 k 3.50 s 0.00 s 2103.50
2012 10.13 e 15.00 37.00 181.50 259.00 278.33 c 611.98 b 701.00 532.00 245.50 56.50 6.00 2933.95
2013 4.50 8.50 54.50 3.50 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 67.50
Period of Record Statistics
MEAN 9.48 15.15 51.74 134.14 319.88 513.38 753.88 734.57 484.18 223.42 47.67 7.90 3292.26
S.D. 8.44 16.49 34.87 70.31 82.68 97.04 96.88 84.42 77.30 64.92 32.23 9.53 224.28
SKEW 1.18 1.73 0.80 0.49 0.23 -0.10 -0.69 0.27 -0.26 0.47 0.91 1.67 -0.04
MAX 37.00 69.00 135.00 266.00 518.00 695.00 963.50 961.00 621.21 398.50 152.00 37.50 3726.50
MIN 0.00 0.00 3.62 16.00 150.50 278.33 456.73 580.45 302.00 120.00 3.50 0.00 2847.68
NO YRS 40 41 42 42 40 42 43 44 41 43 40 38 28