MCKINLEY PARK, ALASKA

Monthly Total Growing Degree Days

(505778)

Base Temperature = 40 F

File last updated on Jun 7, 2013
*** Note *** Provisional Data *** After Year/Month 201304
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
1949 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 63.50 n 4.00 h 3.50 0.00 3.50
1950 0.00 z 0.00 z 0.00 1.03 a 61.00 g 371.50 500.00 472.50 125.50 25.00 0.00 0.00 1495.53
1951 0.00 0.00 0.00 a 0.00 137.50 325.50 512.50 386.00 142.50 f 0.00 0.00 0.00 d 1361.50
1952 0.00 0.00 0.00 0.00 41.00 h 312.00 407.00 263.00 46.50 23.00 0.00 0.00 1051.50
1953 0.00 0.00 0.00 39.00 161.50 492.41 a 516.00 345.81 b 109.00 13.00 0.00 0.00 1676.72
1954 0.00 0.00 0.00 0.00 a 108.00 324.50 364.52 b 308.50 90.00 0.00 0.00 0.00 1195.52
1955 0.00 0.00 a 0.00 a 0.00 c 29.50 243.00 468.00 265.00 94.00 1.50 0.00 0.00 1101.00
1956 0.00 0.00 0.00 1.50 44.00 278.57 b 477.50 341.00 102.78 c 0.00 0.00 0.00 1245.35
1957 0.00 0.00 0.00 0.00 132.50 529.50 455.00 461.00 179.00 23.50 0.00 0.00 1780.50
1958 0.00 0.00 0.00 25.50 119.00 455.50 497.50 354.00 70.50 0.00 0.00 0.00 1522.00
1959 0.00 0.00 0.00 0.00 95.50 438.50 327.50 314.50 60.00 5.00 0.00 0.00 1241.00
1960 0.00 0.00 0.00 11.00 227.50 305.00 444.50 344.00 57.00 5.00 0.00 0.00 1394.00
1961 3.00 0.00 3.50 4.00 130.00 346.00 420.00 321.00 84.00 2.50 0.00 0.00 1314.00
1962 0.00 0.00 1.00 3.00 57.00 368.00 512.00 392.00 24.00 1.00 0.00 0.00 1358.00
1963 0.00 0.00 0.00 d 0.00 122.97 a 186.11 c 439.00 348.50 146.50 3.10 a 0.00 0.00 1246.18
1964 0.00 z 0.00 z 0.00 0.00 41.50 409.66 a 446.00 335.50 116.00 9.41 c 0.00 0.00 a 1358.07
1965 0.00 0.00 2.50 5.50 69.50 261.96 b 435.50 292.50 217.50 0.00 0.00 0.00 1284.96
1966 0.00 0.00 0.00 0.00 16.50 410.17 a 482.57 a 290.50 84.00 0.50 0.00 0.00 1284.24
1967 0.00 0.00 0.00 a 5.50 55.80 a 367.00 396.50 329.12 a 84.64 b 0.00 a 0.00 0.00 b 1238.56
1968 0.00 0.00 0.00 a 0.00 79.10 b 307.50 465.00 328.82 c 19.50 s 0.00 b 0.00 0.00 1180.42
1969 0.00 a 0.00 c 0.00 e 0.50 133.50 471.72 a 381.82 a 143.00 71.00 j 62.50 0.00 0.00 1193.04
1970 0.00 0.00 0.00 0.00 98.37 e 219.50 362.38 b 244.68 c 51.60 e 0.00 b 0.52 a 0.00 977.04
1971 0.00 a 0.00 0.00 0.00 37.00 368.50 398.50 300.00 26.50 0.00 a 0.00 0.00 1130.50
1972 0.00 0.00 0.00 0.00 88.50 316.00 492.50 397.50 90.00 8.00 0.00 0.00 1392.50
1973 0.00 0.00 0.00 3.50 64.00 305.00 431.93 a 272.00 104.00 0.00 0.00 0.00 a 1180.43
1974 0.00 0.00 0.00 2.00 129.50 308.00 411.50 353.50 193.00 0.00 0.00 0.00 1397.50
1975 0.00 0.00 0.00 a 0.00 d 78.02 a 281.38 a 430.38 a 246.00 42.00 m 0.00 b 0.00 b 0.00 a 1035.78
1976 0.00 g 0.00 b 0.00 b 2.07 a 41.85 a 376.80 e 498.87 d 361.50 f 91.67 c 0.00 2.50 0.00 a 1013.76
1977 0.00 0.00 0.00 g 1.11 c 79.50 336.11 c 476.37 a 492.38 a 84.31 a 2.58 a 0.00 0.00 b 1472.37
1978 0.00 a 0.00 0.00 a 0.00 122.50 259.66 a 455.18 a 417.00 138.21 b 2.00 0.00 0.00 a 1394.55
1979 0.00 0.00 0.00 12.00 133.50 308.50 441.00 454.50 112.50 35.50 1.00 0.00 1498.50
1980 0.00 0.00 0.00 0.00 105.00 305.00 454.00 312.00 48.00 2.50 0.00 0.00 1226.50
1981 0.00 0.00 1.00 1.00 235.00 295.00 348.00 284.00 85.50 1.00 0.00 0.00 1250.50
1982 0.00 0.00 a 0.00 c 0.00 42.50 296.00 425.50 297.50 126.50 0.00 0.00 0.00 1188.00
1983 0.00 0.00 0.00 14.00 123.48 a 368.00 474.00 260.00 35.00 0.00 1.50 0.00 1275.98
1984 0.00 0.00 4.00 0.00 86.69 d 411.50 434.50 295.00 78.00 14.50 0.00 0.00 b 1324.19
1985 0.00 0.00 0.00 0.00 83.50 276.00 505.50 290.88 a 0.00 z 0.00 a 0.00 1.00 1156.88
1986 0.00 0.00 0.00 0.00 59.00 390.00 483.00 210.00 131.50 0.00 z 1.07 b 2.00 1276.57
1987 0.00 z 0.00 0.00 0.00 z 0.00 z 350.50 0.00 z 377.50 45.00 4.00 0.00 0.00 777.00
1988 0.00 0.00 0.00 z 6.50 0.00 z 0.00 z 0.00 z 344.10 a 0.00 z 0.00 z 0.00 z 0.00 350.60
1989 0.00 b 0.00 0.00 6.50 0.00 z 0.00 z 0.00 z 0.00 z 156.50 11.50 0.00 a 0.00 174.50
1990 0.00 b 0.00 0.00 1.50 192.50 0.00 z 523.00 344.62 a 64.29 b 0.00 0.00 0.00 1125.90
1991 0.00 0.00 0.00 0.50 0.00 z 415.00 426.00 0.00 z 137.50 0.50 0.00 0.00 979.50
1992 0.00 0.00 0.00 0.00 89.50 393.50 501.00 322.00 9.00 0.00 z 0.00 0.00 1315.00
1993 0.00 0.00 0.00 3.00 0.00 z 443.00 579.18 a 359.00 134.00 28.00 0.00 0.00 1546.18
1994 0.00 0.00 0.00 16.00 180.50 367.00 550.00 466.50 86.50 6.50 0.00 0.00 1673.00
1995 0.00 1.50 0.00 15.00 226.50 366.50 506.50 292.00 257.00 6.00 0.00 0.00 a 1671.00
1996 0.00 0.00 0.00 a 0.50 0.00 z 391.00 482.00 243.50 72.00 0.00 0.00 0.00 1189.00
1997 0.00 0.00 0.00 12.00 108.50 456.00 562.50 373.50 151.00 0.00 1.00 0.00 1664.50
1998 0.00 0.00 0.00 1.00 152.00 343.00 469.00 225.50 73.50 0.00 0.00 0.00 1264.00
1999 0.00 0.00 0.00 11.50 84.00 413.00 478.00 408.00 103.00 2.50 0.00 0.00 1500.00
2000 0.00 0.00 0.00 0.00 29.00 395.00 392.00 209.50 34.00 0.00 0.00 b 0.50 1060.00
2001 0.00 0.00 0.00 0.00 57.50 0.00 z 414.00 0.00 z 126.50 24.00 0.00 2.00 624.00
2002 0.00 0.00 0.00 2.50 222.50 349.50 449.00 291.50 122.50 33.50 12.50 0.00 z 1483.50
2003 0.00 0.00 z 0.00 a 34.29 b 95.87 d 373.00 498.00 352.00 75.00 a 69.50 0.00 0.00 1497.66
2004 0.00 0.00 0.00 4.00 246.50 567.50 585.50 558.52 a 37.00 5.68 a 0.00 b 0.00 a 2004.70
2005 0.00 0.00 0.00 33.50 0.00 z 0.00 z 516.00 457.00 0.00 z 0.00 0.00 0.00 z 1006.50
2006 0.00 0.00 a 0.00 z 0.00 157.50 365.50 459.50 295.00 184.50 15.00 0.00 0.00 a 1477.00
2007 0.00 a 1.00 0.00 7.00 165.00 453.50 544.50 455.00 148.00 0.00 0.00 z 0.00 1774.00
2008 0.00 f 0.00 0.00 5.17 a 68.72 a 0.00 z 362.50 265.50 116.00 0.00 0.00 0.00 817.89
2009 0.00 0.00 0.00 15.50 153.50 348.50 592.50 274.00 154.50 35.00 0.00 0.00 1573.50
2010 0.00 a 1.00 0.00 16.50 201.50 342.00 422.50 409.20 a 177.00 7.50 0.00 0.00 1577.20
2011 0.00 a 0.00 0.00 0.52 a 171.50 391.00 418.00 294.00 129.50 0.00 0.00 0.00 1404.52
2012 0.00 0.00 0.00 8.00 102.00 385.00 430.00 318.50 88.50 12.00 0.00 0.00 1344.00
2013 0.00 0.00 0.00 a 0.00 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
Period of Record Statistics
MEAN 0.05 0.06 0.20 5.29 112.47 360.25 460.54 333.88 103.03 8.37 0.38 0.09 1374.45
S.D. 0.39 0.26 0.75 8.81 58.52 73.10 58.38 78.56 50.69 14.56 1.68 0.38 217.21
SKEW 7.48 4.47 4.07 2.26 0.56 0.32 0.09 0.47 0.60 2.47 6.38 4.48 0.77
MAX 3.00 1.50 4.00 39.00 246.50 567.50 592.50 558.52 257.00 69.50 12.50 2.00 2004.70
MIN 0.00 0.00 0.00 0.00 16.50 186.11 327.50 143.00 9.00 0.00 0.00 0.00 977.04
NO YRS 59 61 61 63 54 57 60 59 56 60 62 62 37