LA GRANDE, WASHINGTON

Monthly Total Heating Degree Days

(454360)

Base Temperature = 65 F

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 198304
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
1954 0.00 z 173.50 t 698.00 554.50 306.00 321.00 148.50 136.00 256.50 468.00 464.50 692.50 4045.50
1955 799.50 739.50 837.50 628.45 a 430.50 209.50 143.00 78.00 207.50 431.50 769.50 809.50 6083.95
1956 787.50 854.98 a 732.00 429.00 217.50 245.00 63.00 72.00 158.00 451.50 633.00 730.05 a 5373.53
1957 994.00 742.00 642.73 a 434.50 211.00 138.50 90.50 90.00 56.50 399.00 631.55 a 694.50 5124.79
1958 634.50 468.50 636.00 473.50 155.00 87.41 a 3.00 14.00 148.50 317.50 639.00 589.00 4165.91
1959 748.50 680.00 665.50 462.50 357.00 170.50 68.50 88.00 209.00 400.00 630.00 757.00 5236.50
1960 792.50 690.50 651.00 462.93 a 395.00 152.50 41.00 127.50 193.00 370.00 621.50 750.50 5247.93
1961 620.50 586.00 612.00 519.00 334.50 98.00 33.50 5.00 208.00 445.37 a 684.00 809.00 4954.87
1962 793.50 626.50 697.50 414.50 448.50 194.50 120.00 85.00 132.50 384.50 566.50 680.00 5143.50
1963 956.00 463.50 679.50 529.50 321.00 0.00 z 104.50 59.00 68.50 338.00 605.50 678.00 4803.00
1964 767.50 710.00 0.00 z 588.00 395.00 227.50 93.50 123.50 216.50 344.00 729.50 908.00 5103.00
1965 788.00 655.50 602.50 454.50 406.50 160.50 51.00 50.50 247.00 269.50 515.50 796.50 4997.50
1966 774.50 650.50 638.50 475.00 311.50 193.50 85.50 44.00 106.00 400.00 571.00 664.50 4914.50
1967 747.00 647.00 736.50 604.50 313.00 88.50 24.50 6.20 a 45.50 370.00 590.00 792.00 4964.70
1968 792.50 533.50 567.50 526.00 315.00 156.50 35.00 107.00 177.00 429.00 578.50 882.50 5100.00
1969 1008.00 702.50 607.00 487.00 237.50 98.00 65.00 77.50 157.50 408.00 574.50 676.00 5098.50
1970 759.00 552.00 608.50 590.00 311.50 118.00 46.00 39.50 224.50 457.50 614.00 851.50 5172.00
1971 822.00 664.50 760.00 498.00 302.50 346.50 93.50 12.00 195.50 510.00 679.00 875.50 5759.00
1972 919.50 692.38 a 576.00 603.50 242.50 167.50 49.50 39.50 254.50 457.00 606.00 881.50 5489.38
1973 807.00 611.50 634.00 475.00 267.63 a 199.50 57.50 120.90 a 143.28 a 430.50 728.50 690.00 5165.31
1974 876.00 677.50 636.00 509.50 415.50 148.00 98.00 53.00 57.00 334.00 589.66 a 141.50 x 4394.16
1975 819.90 b 671.50 713.50 583.50 308.50 206.50 56.50 114.00 106.50 449.00 641.50 749.00 5419.90
1976 739.50 731.00 743.50 513.00 296.00 237.50 73.00 113.00 123.00 388.00 606.50 722.50 5286.50
1977 856.00 523.50 708.00 394.50 409.00 120.50 98.50 59.00 236.50 433.00 713.00 772.50 5324.00
1978 712.00 580.00 551.50 508.50 381.00 115.50 81.00 93.00 253.50 375.50 760.50 942.50 5354.50
1979 1005.50 728.00 491.00 f 508.50 267.50 154.50 47.53 a 32.50 94.00 334.00 635.00 641.50 4448.53
1980 924.32 a 632.50 666.00 365.69 a 321.00 237.41 a 50.00 94.50 141.50 327.50 559.50 642.00 4961.92
1981 645.00 585.00 532.00 479.00 346.00 231.00 94.00 23.00 164.00 454.00 554.00 758.50 4865.50
1982 833.50 677.00 674.00 549.00 323.00 107.00 96.00 58.50 142.00 380.50 700.00 799.50 5340.00
1983 625.50 546.50 533.50 289.50 j 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1705.50
Period of Record Statistics
MEAN 805.13 642.18 655.01 504.17 322.28 176.10 72.79 69.50 162.87 398.50 627.28 758.43 5189.34
S.D. 107.27 87.71 72.26 65.83 70.63 66.05 33.98 38.94 63.61 55.13 71.47 89.92 350.79
SKEW 0.22 -0.12 0.31 0.01 -0.24 0.76 0.30 -0.04 -0.23 -0.26 0.15 0.25 -0.22
MAX 1008.00 854.98 837.50 628.45 448.50 346.50 148.50 136.00 256.50 510.00 769.50 942.50 6083.95
MIN 620.50 463.50 532.00 365.69 155.00 87.41 3.00 5.00 45.50 269.50 464.50 589.00 4165.91
NO YRS 29 29 28 29 29 28 29 29 29 29 29 28 24