SILVER CREEK FALLS, OREGON

Monthly Total Growing Degree Days

(357809)

Base Temperature = 50 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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
1938 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 0.00 0.00
1939 0.00 z 0.00 23.50 73.50 126.50 159.00 386.43 b 411.50 238.00 65.50 6.50 2.00 1492.43
1940 3.00 0.00 14.50 30.50 197.00 305.00 382.00 421.00 282.00 123.50 1.50 2.50 1762.50
1941 0.00 2.50 20.00 38.00 121.50 207.00 449.00 359.00 132.50 20.00 25.00 7.23 a 1381.73
1942 0.00 0.00 5.50 28.00 85.50 152.00 419.00 399.50 232.50 69.50 1.50 0.00 1393.00
1943 0.00 a 0.00 5.00 50.50 50.00 143.50 300.50 254.50 267.50 86.50 2.50 0.00 1160.50
1944 0.00 0.00 6.00 14.50 97.50 190.50 357.50 340.50 307.00 115.00 2.00 0.00 1430.50
1945 1.50 0.00 0.00 17.50 104.00 179.50 363.00 370.00 173.00 62.00 0.00 4.50 1275.00
1946 0.00 0.00 1.00 18.50 129.50 141.00 349.00 334.50 154.50 2.50 0.00 0.00 1130.50
1947 0.00 1.00 20.50 59.50 163.00 147.50 306.50 248.50 225.50 63.50 3.00 0.00 1238.50
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 307.50 298.50 191.50 28.00 0.00 0.00 b 825.50
1949 0.00 0.00 0.00 b 13.45 a 67.68 a 105.50 0.00 z 305.00 178.93 b 1.03 a 15.00 0.00 686.59
1950 0.00 z 0.00 b 2.07 a 11.00 0.00 z 241.50 395.50 400.00 244.00 53.00 11.50 3.62 a 1362.18
1951 0.00 2.50 0.00 38.00 102.82 a 275.17 a 345.00 285.00 236.50 32.03 a 0.00 0.00 1317.02
1952 0.00 z 0.00 l 0.00 a 34.14 a 92.00 158.50 353.00 339.40 b 254.50 100.50 0.00 4.00 1336.03
1953 0.00 a 0.00 3.50 19.66 a 69.00 86.00 337.50 366.00 281.50 86.50 7.50 0.00 1257.16
1954 0.50 0.00 0.00 13.00 123.00 122.50 235.00 263.50 175.34 a 48.50 6.00 0.00 987.34
1955 0.00 0.00 0.00 0.50 49.60 a 207.50 250.50 314.50 240.00 65.00 9.50 0.00 1137.10
1956 0.50 0.00 0.00 a 43.50 166.50 148.45 a 418.00 353.50 237.50 54.50 0.00 0.00 1422.45
1957 0.00 2.50 3.50 44.50 147.00 212.00 298.50 271.50 368.00 48.00 0.00 0.00 1395.50
1958 2.00 18.50 1.00 19.50 220.00 322.00 488.50 469.00 252.00 102.50 18.50 11.00 1924.50
1959 0.00 0.00 2.00 19.50 75.50 202.50 375.00 284.50 125.50 52.50 3.50 0.00 1140.50
1960 2.50 0.00 14.00 46.00 70.00 238.00 427.00 324.50 237.00 107.50 0.00 1.50 1468.00
1961 2.00 5.50 3.50 32.00 94.00 319.50 413.00 489.50 164.50 88.00 0.00 0.00 1611.50
1962 2.00 0.00 0.00 46.50 27.00 210.00 368.00 350.00 269.00 58.50 10.80 e 2.50 k 1341.80
1963 0.00 j 1.50 j 2.98 e 10.00 159.00 192.00 272.50 385.00 375.52 a 115.50 2.50 0.00 1515.00
1964 0.00 0.00 6.50 2.50 82.50 185.00 370.00 327.00 187.00 107.50 0.00 a 3.50 1271.50
1965 3.00 0.00 1.50 45.00 55.50 198.00 448.50 394.00 189.11 b 137.00 6.50 0.00 c 1478.11
1966 0.00 0.00 19.12 a 50.17 a 140.50 230.69 a 347.72 a 371.50 302.00 104.00 4.00 0.50 1570.20
1967 0.00 0.00 3.50 0.00 134.00 366.00 454.67 a 577.00 391.00 55.50 9.31 a 0.00 a 1990.98
1968 8.27 a 21.00 19.50 34.00 126.50 264.00 425.00 373.00 278.00 48.57 a 8.50 0.00 1606.33
1969 1.50 0.00 b 19.78 b 17.59 a 237.67 a 361.50 367.00 349.50 263.00 26.00 14.50 0.50 1658.53
1970 5.17 a 0.00 b 0.00 b 2.07 a 159.02 d 343.89 c 433.50 406.00 135.00 61.00 6.43 b 0.00 a 1552.07
1971 4.81 b 0.00 c 0.00 23.57 b 157.50 156.50 426.50 442.50 114.00 f 110.00 0.00 0.00 1321.38
1972 0.00 0.00 b 29.50 16.00 176.70 a 246.00 471.00 440.09 c 156.72 a 58.90 a 0.00 5.88 b 1600.79
1973 0.53 b 0.00 g 0.00 d 15.00 g 149.63 e 242.88 d 373.72 d 267.93 c 236.50 40.30 a 6.00 0.00 1317.50
1974 0.50 0.00 a 17.50 10.38 d 86.91 c 274.00 316.31 d 368.38 a 332.88 d 61.50 3.10 a 0.00 1471.48
1975 3.21 b 3.36 c 0.00 0.00 c 114.70 a 191.79 b 368.50 260.83 b 271.55 a 57.02 c 11.90 a 0.00 b 1282.85
1976 0.00 0.00 a 6.20 a 18.75 b 110.64 b 93.50 h 332.22 a 299.48 c 196.00 g 39.00 g 21.00 k 0.00 f 767.29
1977 0.00 c 0.00 d 0.00 a 65.40 e 39.30 c 276.67 c 331.81 d 508.00 94.00 j 31.00 d 0.00 g 0.55 c 1252.74
1978 0.00 0.00 9.50 f 8.50 f 33.50 g 149.00 p 149.50 q 331.00 175.71 b 101.78 a 0.00 f 0.00 o 608.50
1979 0.00 h 0.00 b 6.00 32.50 h 0.00 z 164.00 j 285.00 f 243.50 f 65.50 w 104.48 d 1.00 j 28.13 d 138.61
1980 0.00 j 3.00 i 4.17 e 44.50 f 63.66 c 108.00 f 373.19 e 291.06 d 194.00 i 152.00 i 23.50 i 8.50 g 732.08
1981 8.86 c 3.23 b 0.00 i 47.78 c 45.50 l 166.80 e 243.00 g 429.41 d 199.50 i 42.00 g 13.00 l 0.00 q 656.07
1982 0.00 h 8.08 b 3.00 k 13.50 q 92.50 n 318.10 a 299.50 h 0.00 z 333.10 a 183.33 b 0.00 0.00 k 842.61
1983 1.50 0.50 1.00 25.00 200.00 181.50 300.50 368.50 166.50 40.50 7.50 0.00 a 1293.00
1984 1.50 0.00 1.00 17.07 a 78.53 a 141.00 353.00 367.00 228.50 67.00 1.50 n 0.00 1254.60
1985 0.00 0.00 0.00 53.50 121.50 243.00 505.00 369.00 132.50 44.50 5.00 0.00 1474.00
1986 2.00 m 12.00 20.50 19.50 153.50 312.50 290.00 295.00 k 96.00 j 53.00 0.00 0.00 861.00
1987 0.00 1.50 5.68 a 74.50 151.50 324.00 295.50 376.50 246.00 99.50 0.50 n 0.00 1574.68
1988 0.00 0.00 0.00 31.50 84.50 181.00 346.00 333.00 226.00 100.50 3.50 0.00 1306.00
1989 0.00 k 0.00 0.00 77.00 89.50 231.00 275.00 290.00 248.50 7.50 m 2.50 3.50 1217.00
1990 2.50 0.00 2.00 k 28.00 j 45.97 b 79.00 o 465.50 422.00 297.50 12.50 2.00 0.00 1247.97
1991 0.00 5.00 1.50 8.50 21.00 131.00 440.00 422.00 300.50 125.00 18.00 0.00 1472.50
1992 0.00 12.50 6.50 58.00 f 125.50 o 158.00 q 191.00 r 283.50 j 90.00 k 63.50 0.50 0.00 i 83.00
1993 0.00 0.00 0.00 j 4.00 133.00 j 177.00 247.50 370.00 263.50 70.50 0.00 0.00 1132.50
1994 0.00 0.00 1.50 j 31.00 157.00 164.50 438.00 231.00 j 273.00 28.00 0.00 0.00 1091.50
1995 0.00 w 0.00 b 0.50 7.50 153.00 228.00 449.50 307.00 287.00 5.50 16.03 a 0.00 m 1454.03
1996 0.00 1.50 6.00 14.00 k 56.50 208.00 497.50 436.50 162.50 93.50 0.52 a 0.00 b 1462.52
1997 1.00 0.00 8.50 11.00 221.50 209.00 393.00 443.50 267.00 34.50 7.50 0.00 1596.50
1998 0.00 0.50 2.50 14.50 78.50 193.00 468.50 394.00 292.00 10.00 0.00 0.00 1453.50
1999 0.00 e 0.00 0.00 c 42.00 68.41 b 188.08 d 358.80 d 410.46 d 238.89 c 38.46 d 12.78 c 0.00 j 1357.88
2000 0.00 e 0.00 e 0.00 c 30.50 l 103.52 c 261.00 349.04 d 361.31 b 223.33 c 26.57 c 0.60 e 0.00 h 1325.37
2001 0.00 c 0.00 3.50 27.00 170.00 164.50 355.98 a 364.50 254.50 39.50 4.50 0.00 1383.98
2002 1.00 2.50 0.00 18.00 71.50 237.50 421.00 404.00 268.50 51.50 1.00 0.00 1476.50
2003 13.00 0.00 14.50 3.50 149.00 331.50 519.00 492.50 341.00 154.00 3.00 0.00 z 2021.00
2004 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 0.00 z 0.00
2005 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 12.00 i 0.00 0.00 0.00
2006 0.00 0.00 z 0.00 10.00 0.00 z 0.00 z 420.50 349.00 137.00 f 12.50 19.50 0.00 811.50
2007 0.00 0.00 3.58 e 17.50 91.50 93.00 h 415.50 312.50 162.50 8.00 0.00 z 0.00 z 1011.08
2008 0.00 0.00 0.00 5.50 109.50 139.50 374.50 343.50 199.50 32.50 11.00 0.00 1215.50
2009 0.00 0.00 0.00 22.50 113.50 226.50 460.50 376.00 253.00 20.50 0.00 0.00 1472.50
2010 0.00 0.00 0.00 4.00 28.50 118.50 346.00 340.00 197.50 49.50 10.00 1.00 1095.00
2011 0.50 0.00 0.00 0.00 3.00 125.00 254.50 339.00 286.00 29.00 0.00 0.00 1037.00
2012 0.00 0.00 0.00 32.50 81.50 4.00 t 330.15 a 412.00 279.00 63.60 b 17.22 c 0.00 d 1215.98
2013 0.00 0.50 0.00 x 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 0.50
Period of Record Statistics
MEAN 1.14 1.56 5.19 26.00 110.71 212.98 375.86 365.36 241.11 63.40 5.31 1.29 1404.80
S.D. 2.39 4.07 7.38 19.78 51.79 67.77 67.57 65.07 61.46 38.67 6.16 4.02 220.59
SKEW 3.10 3.36 1.56 0.80 0.30 0.49 -0.01 0.56 0.13 0.65 1.18 5.24 0.48
MAX 13.00 21.00 29.50 77.00 237.67 366.00 519.00 577.00 391.00 183.33 25.00 28.13 1990.98
MIN 0.00 0.00 0.00 0.00 3.00 86.00 235.00 248.50 125.50 1.03 0.00 0.00 987.34
NO YRS 62 67 65 62 63 62 66 67 63 68 64 62 40