ASTOR EXPERIMENT STN, OREGON

Monthly Total Heating Degree Days

(350318)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 197306
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
1937 0.00 z 0.00 z 0.00 z 0.00 z 366.26 d 190.50 163.04 d 22.00 z 166.73 d 258.00 454.50 614.12 b 2213.15
1938 665.00 599.00 602.50 435.00 383.50 227.00 159.00 223.00 138.50 338.86 b 582.41 a 512.50 h 4353.78
1939 639.63 a 672.00 591.00 425.69 a 296.50 f 4.00 z 0.00 z 115.50 0.00 z 314.59 d 461.50 513.50 3733.42
1940 683.00 549.50 520.00 436.50 301.50 174.00 71.50 108.00 146.50 267.00 612.50 655.50 4525.50
1941 639.00 500.50 446.50 439.50 333.00 218.50 102.50 118.50 256.50 337.26 b 510.50 675.50 4577.76
1942 776.50 639.50 653.00 473.50 358.00 275.50 80.00 74.00 180.00 335.00 584.50 648.00 5077.50
1943 864.00 564.00 652.50 430.00 468.00 294.00 180.00 179.00 154.00 378.00 521.00 715.50 5400.00
1944 710.00 647.32 a 657.50 510.00 394.50 265.50 169.00 148.50 151.00 265.00 592.50 779.00 5289.82
1945 667.50 577.63 a 668.50 541.50 330.00 296.50 198.50 220.50 198.50 349.78 a 599.50 698.50 5346.91
1946 677.00 633.50 618.50 537.50 343.50 285.50 144.00 154.50 180.00 492.50 634.50 692.00 5393.00
1947 825.00 527.50 506.50 409.00 298.00 237.50 151.00 161.00 165.00 319.00 545.50 653.00 4798.00
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 188.00 147.00 218.50 403.00 621.00 813.50 2391.00
1949 1025.50 679.00 587.00 461.00 317.00 230.50 g 194.50 160.00 140.00 476.50 391.50 702.00 5134.00
1950 1022.00 639.00 657.00 548.50 435.00 199.50 169.00 112.00 211.00 444.50 563.50 527.00 5528.00
1951 745.00 602.00 742.00 475.50 395.50 231.50 167.00 184.00 229.00 369.50 564.50 796.00 5501.50
1952 857.50 677.50 692.00 512.50 395.50 299.00 174.50 151.50 178.00 238.00 622.50 692.00 5490.50
1953 568.50 585.00 608.00 510.00 372.00 308.00 170.50 108.00 150.00 309.50 448.00 628.00 4765.50
1954 781.00 539.00 686.50 557.50 372.00 315.50 222.00 149.32 a 185.50 361.50 437.00 668.00 5274.82
1955 754.00 656.44 a 725.00 631.00 477.00 301.50 241.00 209.00 237.00 358.50 658.00 723.33 a 5971.78
1956 719.50 783.52 a 672.00 446.00 339.50 272.50 133.50 124.00 187.50 427.50 560.50 710.50 5376.52
1957 915.50 604.50 595.00 476.00 320.00 197.00 174.00 161.00 88.45 a 375.00 602.50 634.50 5143.45
1958 602.00 455.50 645.00 488.28 a 281.00 121.00 48.50 83.00 182.50 296.50 580.00 541.50 4324.78
1959 665.50 602.00 601.00 440.00 383.00 215.50 136.00 157.50 219.00 339.50 565.50 686.00 5010.50
1960 798.00 620.00 603.50 453.50 416.50 236.50 173.00 138.00 186.50 339.00 559.50 706.50 5230.50
1961 574.00 513.50 573.00 513.50 345.00 173.50 89.00 80.00 243.50 405.58 a 658.00 718.00 4886.58
1962 777.00 577.50 666.50 472.00 436.00 290.50 188.50 143.50 161.00 353.00 513.00 660.00 5238.50
1963 884.50 410.00 628.50 509.50 389.50 260.50 153.50 111.50 111.00 314.00 540.00 658.50 4971.00
1964 668.00 656.50 663.50 569.00 456.00 283.00 171.50 162.50 234.50 354.00 641.50 804.50 5664.50
1965 739.57 c 628.50 627.50 518.50 513.50 352.50 191.50 88.50 245.69 a 300.50 471.00 777.00 5454.26
1966 695.00 613.00 640.50 437.00 411.00 247.00 158.50 156.50 154.50 368.00 520.50 614.50 5016.00
1967 636.50 598.00 679.00 609.50 379.50 160.00 145.50 45.00 117.50 322.50 517.00 737.50 4947.50
1968 752.00 491.50 531.50 535.00 342.50 241.00 95.50 141.50 176.00 421.00 490.00 809.00 5026.50
1969 948.50 697.00 603.50 505.00 299.50 128.50 159.50 171.00 176.50 417.50 541.50 634.50 5282.50
1970 710.00 499.00 585.00 581.50 375.50 209.00 166.00 166.50 262.50 412.00 548.50 761.50 5277.00
1971 780.00 630.00 718.50 542.50 403.52 a 316.50 184.00 107.50 247.24 a 480.50 589.50 797.50 5797.26
1972 834.50 680.00 598.50 592.50 367.50 238.00 128.17 e 133.50 279.00 451.00 564.00 814.00 5680.67
1973 787.50 598.00 634.00 493.93 b 390.00 266.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3169.93
Period of Record Statistics
MEAN 753.93 598.47 625.14 500.50 376.84 244.96 155.46 139.84 187.39 360.92 551.87 693.14 5202.21
S.D. 114.63 75.22 62.26 56.76 53.78 55.59 41.68 40.27 45.97 63.91 64.73 79.49 374.01
SKEW 0.64 -0.29 -0.65 0.41 0.45 -0.39 -0.70 -0.07 0.07 0.24 -0.47 -0.33 -0.30
MAX 1025.50 783.52 742.00 631.00 513.50 352.50 241.00 223.00 279.00 492.50 658.00 814.00 5971.78
MIN 568.50 410.00 446.50 409.00 281.00 121.00 48.50 45.00 88.45 238.00 391.50 513.50 4324.78
NO YRS 35 35 35 35 35 34 35 35 35 36 36 35 31