ASTOR EXPERIMENT STN, OREGON

Monthly Total Growing Degree Days

(350318)

Base Temperature = 40 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 408.74 d 565.00 613.69 d 78.00 z 593.08 d 518.00 295.50 169.43 b 3163.43
1938 116.00 107.00 173.50 315.00 391.50 523.00 627.00 552.00 611.50 436.14 b 177.41 a 87.00 h 4030.05
1939 140.53 a 60.00 188.50 324.31 a 328.50 f 21.00 z 0.00 z 676.50 0.00 z 461.56 d 288.50 273.00 2412.90
1940 111.50 175.50 255.00 313.50 473.50 583.50 705.50 689.50 610.00 513.50 142.00 145.50 4718.50
1941 148.50 199.50 328.50 310.50 453.50 536.50 692.00 656.50 493.50 437.74 b 248.50 132.00 4637.24
1942 77.50 67.50 126.50 276.50 417.50 492.50 743.00 729.00 570.50 440.00 170.50 136.50 4247.50
1943 39.50 145.00 126.50 320.00 307.00 456.00 595.00 596.00 613.00 397.00 229.00 84.00 3908.00
1944 98.50 91.66 a 126.50 240.00 381.50 484.50 607.00 640.50 604.50 511.00 159.50 45.50 3990.66
1945 128.00 126.52 a 111.00 208.50 445.00 453.50 576.50 554.50 554.50 425.22 a 158.50 122.50 3864.24
1946 118.50 88.50 156.50 213.00 431.50 464.50 652.50 620.50 570.50 283.50 126.50 133.00 3859.00
1947 47.00 175.50 272.00 342.00 477.50 512.50 624.00 614.00 596.50 456.00 206.50 127.50 4451.00
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 587.50 628.00 554.50 372.00 133.50 39.50 2315.00
1949 1.50 87.00 188.00 289.00 458.00 344.50 g 586.50 616.50 618.00 298.50 358.50 100.50 3602.00
1950 24.00 112.00 126.00 201.50 340.00 552.50 606.00 686.00 544.00 330.50 201.00 248.00 3971.50
1951 90.00 117.00 86.00 275.00 379.50 521.50 621.00 591.00 523.50 407.50 191.00 51.50 3854.50
1952 40.50 85.50 92.50 237.50 380.00 451.00 615.00 625.50 590.00 538.50 156.50 96.50 3909.00
1953 211.50 116.00 170.50 240.00 403.00 442.00 605.00 672.00 606.50 466.00 302.00 148.00 4382.50
1954 62.00 166.50 100.50 192.50 403.00 434.50 553.00 625.68 a 566.50 413.50 315.50 123.50 3956.68
1955 57.50 65.85 a 76.50 124.50 298.00 459.50 534.00 566.00 519.50 416.50 176.00 90.42 a 3384.27
1956 96.50 22.79 a 124.00 304.00 438.50 477.50 659.50 652.00 564.00 347.50 198.00 111.50 3995.79
1957 24.00 115.50 181.00 274.00 455.00 553.00 601.00 614.00 675.52 a 400.00 149.00 148.00 4190.02
1958 173.00 244.50 134.50 261.72 a 494.00 645.50 759.50 701.00 578.50 478.50 195.00 235.00 4900.72
1959 162.00 113.50 175.50 310.00 392.00 535.00 651.00 617.50 531.00 435.50 195.50 108.00 4226.50
1960 67.50 128.50 190.50 296.50 358.50 513.50 604.00 643.50 569.00 436.00 196.50 84.00 4088.00
1961 209.50 188.50 205.00 236.50 432.00 581.50 718.00 700.50 507.00 370.97 a 119.50 101.00 4369.97
1962 90.50 161.00 126.00 278.00 339.00 459.50 586.50 633.50 602.50 422.00 243.00 147.50 4089.00
1963 34.00 290.00 147.50 240.50 388.00 489.50 621.50 664.00 653.00 461.00 215.00 144.00 4348.00
1964 113.50 74.50 119.50 181.00 319.00 467.00 603.50 619.50 515.50 422.50 126.50 68.00 3630.00
1965 79.16 c 83.50 158.00 235.00 261.50 399.00 584.50 689.00 507.41 a 474.50 281.00 78.00 3830.57
1966 106.50 97.00 165.00 313.00 364.00 517.00 616.50 622.00 599.00 407.00 229.50 171.00 4207.50
1967 145.00 103.50 103.00 141.00 395.50 590.00 632.50 755.00 647.50 452.50 237.00 93.00 4295.50
1968 90.50 233.50 243.50 215.50 432.50 509.00 688.00 638.00 587.50 354.00 260.00 64.50 4316.50
1969 24.50 34.50 175.50 245.00 478.50 632.50 618.50 604.50 573.50 357.50 208.50 145.00 4098.00
1970 116.50 203.00 192.00 168.50 399.50 552.50 610.00 610.50 490.50 363.00 217.00 57.50 3980.50
1971 85.00 95.50 88.00 207.50 371.48 a 437.00 592.50 679.00 502.76 a 311.50 165.50 31.00 3566.74
1972 54.00 85.50 180.50 157.50 408.00 512.00 670.67 e 659.00 485.00 324.50 188.50 141.50 3866.67
1973 78.00 112.50 141.00 256.07 b 389.50 486.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1463.07
Period of Record Statistics
MEAN 93.21 124.97 158.70 249.85 399.01 508.51 627.48 641.21 569.41 415.03 207.26 119.87 4101.12
S.D. 51.36 59.79 55.65 56.37 54.28 57.73 50.61 45.96 48.55 63.39 58.15 55.62 329.57
SKEW 0.45 0.84 1.00 -0.38 -0.45 0.48 0.90 0.26 0.01 -0.18 0.64 0.84 0.28
MAX 211.50 290.00 328.50 342.00 494.00 645.50 759.50 755.00 675.52 538.50 358.50 273.00 4900.72
MIN 1.50 22.79 76.50 124.50 261.50 399.00 534.00 552.00 485.00 283.50 119.50 31.00 3384.27
NO YRS 35 35 35 35 35 34 35 35 35 36 36 35 31