DRIGGS, IDAHO

Monthly Total Growing Degree Days

(102676)

Base Temperature = 50 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 200603
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
1930 0.00 b 0.00 z 0.00 z 0.00 z 0.00 z 70.00 o 440.95 b 360.12 a 114.64 b 0.00 a 0.00 0.00 915.71
1931 0.00 0.00 0.00 0.00 69.00 342.50 507.00 389.00 156.50 3.50 0.00 0.00 1467.50
1932 0.00 a 0.00 0.00 0.00 68.00 180.50 363.00 317.50 97.76 a 8.27 a 0.00 0.00 b 1035.03
1933 0.00 0.00 a 0.00 1.00 17.50 304.50 483.50 311.00 144.00 19.50 0.00 0.00 1281.00
1934 0.00 0.00 0.00 36.00 164.50 150.00 486.50 423.00 97.50 35.50 0.00 0.00 1393.00
1935 0.00 0.00 0.00 1.50 15.00 163.50 405.00 366.50 195.00 32.50 0.00 0.00 1179.00
1936 0.00 0.00 0.00 0.00 129.00 260.50 453.50 347.00 110.00 5.00 0.00 0.00 1305.00
1937 0.00 0.00 0.00 2.00 53.50 134.50 433.50 365.50 188.00 14.00 0.00 0.00 1191.00
1938 0.00 0.00 0.00 2.50 7.50 69.50 124.00 u 290.22 b 217.50 20.00 0.00 0.00 607.22
1939 0.00 0.00 0.00 22.00 91.50 101.00 372.00 315.00 121.50 0.50 0.00 0.00 1023.50
1940 0.00 0.00 0.00 4.00 81.50 240.50 376.00 400.00 142.00 0.00 0.00 0.00 1244.00
1941 0.00 0.00 0.00 z 0.00 64.00 135.50 343.50 335.00 41.50 4.50 0.00 0.00 924.00
1942 0.00 0.00 0.00 4.00 25.50 61.00 376.00 295.53 a 103.50 14.00 0.00 z 0.00 z 879.53
1943 0.00 z 0.00 z 0.00 z 0.00 z 67.00 y 59.50 l 535.00 387.00 209.50 54.50 0.00 a 0.00 1186.00
1944 0.00 0.00 0.00 0.00 67.50 89.00 364.50 351.00 155.00 23.00 0.00 0.00 1050.00
1945 0.00 0.00 0.00 3.00 47.00 81.50 380.00 358.00 123.50 30.50 1.50 0.00 1025.00
1946 0.00 c 0.00 0.00 39.00 25.00 203.00 473.50 418.00 159.00 11.50 0.00 b 0.00 1329.00
1947 0.00 0.00 0.00 1.00 82.50 98.00 440.00 391.50 182.00 38.50 0.00 0.00 1233.50
1948 0.00 0.00 0.00 12.50 113.00 226.00 385.00 400.50 203.00 34.00 0.00 0.00 1374.00
1949 0.00 z 0.00 0.00 10.50 80.50 185.50 405.50 435.03 a 185.00 4.50 0.00 0.00 1306.53
1950 0.00 a 0.00 a 0.00 1.00 29.50 136.50 310.50 305.50 170.00 65.00 0.00 0.00 1018.00
1951 0.00 0.00 0.00 1.50 81.00 100.00 444.00 332.00 118.50 22.00 0.00 0.00 1099.00
1952 0.00 0.00 0.00 19.00 72.00 223.00 378.50 440.00 234.31 a 18.94 d 0.00 0.00 1385.75
1953 0.00 z 0.00 r 0.00 10.50 8.00 187.00 503.00 436.50 233.00 50.50 2.00 0.00 1430.50
1954 0.00 0.00 0.00 6.50 125.00 179.00 539.00 353.50 187.50 33.00 0.00 z 0.00 1423.50
1955 0.00 0.00 0.00 0.00 42.00 164.00 436.50 470.00 191.50 31.50 0.00 0.00 1335.50
1956 0.00 0.00 0.00 a 1.00 134.50 265.00 476.50 352.50 207.50 63.50 0.00 0.00 1500.50
1957 0.00 0.00 0.00 1.00 0.00 z 200.50 f 467.50 434.50 203.50 30.50 0.00 0.00 1137.00
1958 0.00 0.00 0.00 0.00 164.00 249.50 347.50 485.50 148.00 32.50 g 0.00 0.00 1394.50
1959 0.00 0.00 a 0.00 0.00 z 12.00 281.50 446.00 415.00 162.00 14.00 0.00 0.00 1330.50
1960 0.00 0.00 0.00 a 4.00 51.00 225.50 542.00 374.00 222.41 a 31.50 0.00 0.00 1450.41
1961 0.00 0.00 0.00 0.00 z 111.00 359.00 530.00 468.50 59.00 16.50 0.00 0.00 1544.00
1962 0.00 0.00 0.00 11.00 22.00 265.00 413.00 337.50 168.50 47.00 0.00 0.00 1264.00
1963 0.00 0.00 0.00 0.00 50.50 136.00 342.00 g 277.00 i 227.00 86.00 0.00 c 0.00 499.50
1964 0.00 0.00 0.00 0.00 67.00 129.00 500.50 301.50 55.00 24.00 0.00 a 0.00 1077.00
1965 0.00 0.00 0.00 2.00 20.00 124.80 e 409.50 324.00 58.00 31.52 a 0.00 0.00 969.82
1966 0.00 0.00 0.00 e 0.00 113.50 170.00 520.50 352.00 237.00 1.00 0.00 0.00 1394.00
1967 0.00 0.00 0.00 0.00 71.50 128.00 441.00 456.00 210.00 9.50 0.00 0.00 1316.00
1968 0.00 0.00 0.00 0.50 22.50 170.00 449.50 249.00 126.50 1.00 0.00 0.00 a 1019.00
1969 0.00 0.00 0.00 8.00 75.00 135.00 406.50 435.00 229.50 4.50 0.00 0.00 1293.50
1970 0.00 0.00 0.00 0.00 56.50 237.50 413.50 448.50 86.00 11.50 0.00 a 0.00 1253.50
1971 0.00 0.00 0.00 0.00 44.00 206.00 400.50 479.00 90.00 20.00 0.00 0.00 1239.50
1972 0.00 a 0.00 0.00 0.00 62.55 c 221.00 358.50 397.50 81.00 10.50 0.00 0.00 1131.05
1973 0.00 0.00 0.00 0.00 49.50 237.00 421.00 380.27 a 106.50 24.00 0.00 0.00 1218.27
1974 0.00 0.00 0.00 12.00 43.50 323.50 488.50 310.00 131.50 13.00 0.00 0.00 1322.00
1975 0.00 0.00 0.00 0.00 30.00 162.50 513.00 302.50 127.50 10.00 0.00 0.00 1145.50
1976 0.00 0.00 0.00 0.00 65.00 186.00 473.00 301.50 161.00 16.50 0.00 0.00 1203.00
1977 0.00 0.00 0.00 32.00 19.00 335.00 444.50 338.00 176.50 15.00 0.00 0.00 1360.00
1978 0.00 0.00 2.00 3.50 47.50 189.50 402.00 297.00 161.00 29.00 0.00 0.00 1131.50
1979 0.00 0.00 0.00 4.00 102.00 246.00 454.50 402.00 239.50 44.00 0.00 0.00 1492.00
1980 0.00 0.00 0.00 38.50 60.45 a 201.50 429.00 318.50 179.50 0.00 z 0.00 z 0.00 z 1227.45
1981 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 5.00 0.00 g 0.00 5.00
1982 0.00 0.00 0.00 0.00 24.00 182.00 367.00 458.50 154.50 1.50 0.00 0.00 1187.50
1983 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
1984 0.00 0.00 0.00 b 0.52 a 87.32 a 155.00 419.05 c 408.50 120.52 a 13.50 0.00 a 0.00 b 1204.40
1985 0.00 a 0.00 0.00 a 12.41 a 67.17 a 245.17 a 367.00 319.50 92.00 1.50 0.00 c 0.00 1104.75
1986 0.00 0.00 3.00 5.00 94.00 311.00 318.00 398.50 81.00 0.00 0.00 0.00 1210.50
1987 0.00 0.00 0.00 54.00 117.05 b 243.00 357.50 297.50 187.50 13.00 0.00 0.00 1269.55
1988 0.00 0.00 a 0.00 12.00 96.50 393.00 491.50 441.00 173.28 a 52.00 0.00 0.00 1659.28
1989 0.00 0.00 0.00 14.50 48.50 208.00 505.50 351.00 147.00 12.00 0.00 0.00 1286.50
1990 0.00 0.00 0.00 9.00 35.50 214.00 435.00 382.00 269.00 35.00 0.00 0.00 1379.50
1991 0.00 0.00 0.00 0.00 i 21.00 176.50 422.00 435.00 150.50 33.50 0.00 0.00 1238.50
1992 0.00 0.00 0.00 37.00 123.50 214.00 248.50 379.75 a 95.50 33.50 0.00 0.00 1131.75
1993 0.00 0.00 0.00 0.00 80.50 93.50 146.00 217.50 80.00 17.50 0.00 a 0.00 635.00
1994 0.00 0.00 0.00 28.00 101.00 239.00 410.00 429.50 200.50 1.00 0.00 a 0.00 1409.00
1995 0.00 0.00 0.00 3.00 18.50 150.00 337.00 384.00 158.50 6.50 0.00 0.00 1057.50
1996 0.00 0.00 0.00 6.00 27.00 256.50 432.00 386.50 113.00 61.00 0.00 0.00 1282.00
1997 0.00 0.00 0.00 2.00 61.00 217.00 316.00 368.00 163.50 13.50 0.00 0.00 1141.00
1998 0.00 0.00 0.00 3.00 24.50 65.00 493.50 412.00 244.50 0.00 z 0.00 0.00 1242.50
1999 0.00 e 0.00 b 0.00 e 1.11 c 39.35 e 120.50 j 272.50 j 382.91 d 68.40 e 23.50 h 1.15 d 0.00 t 492.92
2000 0.00 c 0.00 a 0.00 f 15.00 a 83.18 a 163.50 h 370.00 f 458.59 b 120.00 i 12.50 l 0.00 f 0.00 556.77
2001 0.00 0.00 d 0.00 d 12.86 b 115.14 c 217.20 e 456.22 a 352.50 f 182.00 g 3.00 g 0.00 c 0.00 801.42
2002 0.00 0.00 0.00 3.50 77.50 223.00 493.00 284.50 135.50 1.00 0.00 0.00 1218.00
2003 0.00 0.00 0.00 7.80 e 136.00 196.50 526.00 473.00 95.00 g 42.50 h 0.00 m 0.00 1339.30
2004 0.00 0.00 f 0.00 2.31 d 58.50 164.50 375.50 285.00 133.00 10.00 0.00 0.00 1028.81
2005 0.00 0.00 0.00 3.62 a 44.00 153.00 426.00 344.00 127.50 9.00 0.00 0.00 1107.12
2006 0.00 0.00 0.00 3.00 102.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 105.50
Period of Record Statistics
MEAN 0.00 0.00 0.07 7.58 65.79 195.89 424.65 372.92 152.54 21.30 0.07 0.00 1227.03
S.D. 0.00 0.00 0.43 11.57 38.17 72.41 71.16 60.15 53.34 18.64 0.33 0.00 168.62
SKEW 0.00 0.00 6.05 2.12 0.54 0.38 -0.91 -0.11 -0.01 1.16 4.84 0.00 -0.45
MAX 0.00 0.00 3.00 54.00 164.50 393.00 542.00 485.50 269.00 86.00 2.00 0.00 1659.28
MIN 0.00 0.00 0.00 0.00 7.50 61.00 146.00 217.50 41.50 0.00 0.00 0.00 635.00
NO YRS 72 71 71 70 72 69 70 72 71 68 69 72 53