IDYLLWILD FIRE DEPT, CALIFORNIA

Monthly Total Growing Degree Days

(044211)

Base Temperature = 50 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 200602
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
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 509.43 a 535.50 430.18 b 210.05 b 15.50 f 0.50 1685.66
1949 0.00 c 0.00 i 0.00 a 58.50 h 80.48 e 363.60 e 545.00 489.00 496.03 a 171.50 129.00 e 7.50 k 2274.62
1950 0.50 h 0.00 n 3.50 k 81.72 a 44.50 l 266.38 a 551.00 551.80 a 303.89 c 290.00 68.00 n 0.00 z 2044.79
1951 10.50 k 0.00 w 0.00 z 0.00 z 128.28 b 253.80 e 561.50 541.98 a 513.21 b 200.95 c 21.00 k 0.00 z 2199.72
1952 0.00 k 0.00 z 0.00 z 0.00 z 51.50 u 172.00 g 552.83 a 483.50 f 364.00 g 327.57 a 18.50 j 1.50 881.90
1953 0.00 v 4.00 j 6.00 h 6.00 p 17.00 t 285.56 c 636.00 541.43 b 470.00 179.00 67.76 a 16.50 2196.25
1954 1.50 10.96 e 0.00 o 25.50 t 171.00 i 302.00 470.00 f 398.50 377.59 a 188.58 a 45.50 0.00 1324.63
1955 0.00 a 0.00 1.50 4.50 149.63 e 288.62 a 476.88 a 601.50 307.00 f 290.00 63.89 c 0.00 z 1876.53
1956 0.00 m 0.00 h 39.50 45.00 j 115.50 k 401.50 513.05 a 460.19 b 510.56 c 119.87 a 72.50 g 8.61 d 2053.27
1957 0.00 23.50 12.40 a 43.85 d 65.58 e 495.00 b 613.80 a 515.50 394.50 70.27 a 13.00 9.00 q 2247.39
1958 1.72 d 1.00 i 0.00 j 34.50 g 294.50 c 271.50 f 475.33 a 598.50 443.00 278.00 47.59 a 63.55 a 2202.19
1959 8.00 f 0.00 6.00 o 85.80 e 97.02 d 374.50 g 719.50 540.50 349.00 260.29 b 86.50 20.50 2159.11
1960 0.00 4.50 36.50 94.29 b 186.00 a 526.00 660.50 624.50 395.00 f 143.50 13.50 l 11.00 i 2275.79
1961 4.00 1.56 a 10.00 107.00 99.50 510.00 672.18 a 586.50 336.50 223.00 10.34 a 0.00 2560.58
1962 4.50 l 0.00 p 4.17 e 166.00 113.67 a 333.21 b 341.50 m 593.65 a 449.50 150.23 e 33.00 0.53 b 1843.97
1963 0.00 17.50 d 0.00 d 0.00 m 129.68 a 112.00 p 474.00 f 421.00 g 473.08 d 189.32 c 21.43 b 3.00 f 831.01
1964 0.00 c 0.00 f 2.77 c 33.50 143.63 a 294.50 601.63 d 0.00 z 270.00 f 323.00 16.00 4.50 1419.53
1965 19.00 0.00 1.00 57.50 98.37 e 182.00 493.50 479.00 196.55 a 269.50 18.00 2.00 1816.42
1966 2.00 0.00 a 13.00 61.00 183.50 330.00 481.50 554.50 288.62 a 93.50 36.96 b 0.50 i 2044.58
1967 4.00 j 6.00 h 22.65 e 0.00 g 117.00 h 273.60 e 598.62 b 543.57 b 238.85 d 101.61 d 73.33 c 0.00 u 1852.23
1968 2.50 j 10.00 j 18.48 e 61.15 d 92.50 g 388.50 540.36 b 383.37 a 363.62 a 103.33 d 10.00 g 1.50 g 1858.82
1969 5.50 f 0.00 e 9.54 e 15.58 d 174.12 a 260.00 536.50 626.00 378.33 c 81.00 32.07 a 9.00 2122.13
1970 9.00 12.00 4.50 18.00 237.50 401.50 610.50 618.50 390.00 164.50 46.50 0.00 2512.50
1971 9.50 8.00 11.88 a 2.00 u 79.50 327.50 617.00 638.00 447.00 160.50 25.50 0.00 2324.38
1972 1.00 13.00 123.50 46.03 a 164.00 378.50 669.50 523.90 a 325.50 65.50 4.00 0.00 2314.43
1973 2.50 0.00 0.00 43.50 250.50 444.31 a 644.50 527.50 378.00 175.00 35.69 a 0.50 2502.00
1974 0.00 0.00 a 14.98 a 24.00 200.47 a 476.38 a 548.18 a 527.00 502.00 214.50 50.50 0.00 2558.01
1975 38.00 1.50 3.10 a 0.00 177.50 334.00 588.50 513.00 470.00 179.50 69.00 3.50 2377.60
1976 23.50 2.50 5.17 a 34.50 206.50 362.50 574.00 438.50 331.00 168.50 90.00 0.00 2236.67
1977 6.50 34.50 1.50 68.50 45.00 452.00 584.50 617.42 a 390.00 264.50 103.50 42.37 a 2610.28
1978 1.50 4.15 a 41.50 6.50 184.45 a 430.00 616.50 532.00 368.00 304.50 43.50 0.00 a 2532.60
1979 0.00 0.00 2.00 32.50 201.00 463.50 572.50 479.50 546.50 195.30 a 1.07 b 30.00 2523.87
1980 1.50 14.00 0.00 b 84.83 a 76.00 324.31 a 641.38 b 501.00 438.62 a 277.50 99.83 a 52.50 2511.47
1981 5.50 20.74 a 2.00 131.38 a 188.00 581.25 b 635.00 671.50 474.00 124.52 a 60.50 15.00 2909.39
1982 4.00 2.50 7.50 46.00 163.50 270.50 535.00 589.50 367.00 127.50 11.50 0.00 2124.50
1983 13.50 1.50 7.00 0.00 210.00 288.50 529.50 512.00 464.50 137.00 28.50 0.50 2192.50
1984 3.00 0.50 7.00 65.00 374.50 339.50 602.50 573.50 479.50 80.00 20.00 1.50 2546.50
1985 0.00 8.00 0.00 129.50 164.50 443.00 609.50 537.50 201.50 134.50 25.50 3.00 2256.50
1986 23.50 37.00 52.00 37.00 206.50 414.50 449.50 634.50 195.00 94.50 12.00 0.00 2156.00
1987 2.00 4.50 3.50 150.50 171.50 404.00 417.50 517.50 366.00 213.00 1.00 3.00 2254.00
1988 9.50 2.00 40.00 66.00 183.00 350.50 578.00 524.00 401.00 334.50 55.50 0.00 2544.00
1989 2.00 9.00 41.50 210.50 188.00 350.00 622.00 442.50 398.00 153.00 45.00 12.00 2473.50
1990 11.50 0.00 27.50 57.50 89.50 421.00 573.00 488.50 383.00 246.50 41.50 0.00 2339.50
1991 0.00 11.50 0.00 9.00 92.50 246.50 515.00 494.00 428.50 317.00 67.50 0.50 2182.00
1992 0.00 1.50 0.00 96.00 227.50 288.00 478.50 549.00 431.50 198.50 11.00 0.00 z 2281.50
1993 4.00 0.00 19.00 58.00 175.00 339.50 374.50 468.50 372.00 166.50 8.28 a 0.00 1985.28
1994 6.00 0.00 14.00 67.50 126.50 465.00 577.50 649.50 432.00 109.00 3.00 0.00 2450.00
1995 0.00 55.50 14.50 26.50 72.00 288.50 537.00 620.50 452.00 239.50 99.00 10.00 2415.00
1996 11.00 27.00 22.00 111.50 199.00 393.50 653.50 639.50 384.00 231.00 61.00 3.50 2736.50
1997 5.00 0.50 51.50 78.50 353.00 293.50 504.00 629.00 462.50 157.00 49.50 4.00 2588.00
1998 0.00 0.00 0.00 z 40.50 0.00 z 214.00 595.50 658.50 349.00 0.00 z 7.50 17.50 1882.50
1999 0.00 z 5.00 3.10 a 45.52 a 126.00 342.50 526.00 528.03 a 449.48 a 302.00 104.00 1.55 a 2433.18
2000 10.50 0.00 9.00 111.21 a 303.00 447.50 542.50 576.08 a 413.00 169.50 8.50 9.50 2600.29
2001 3.50 9.33 a 28.23 c 69.00 415.63 d 499.50 558.50 708.35 a 545.50 345.28 b 66.00 0.00 a 3248.82
2002 14.50 39.50 19.00 107.00 223.00 501.00 732.50 651.50 512.00 153.00 60.50 0.00 3013.50
2003 56.50 6.00 32.50 9.00 292.50 444.00 602.00 f 669.50 568.00 397.50 6.50 4.50 2486.50
2004 0.00 3.00 160.00 74.50 196.50 430.50 505.50 g 627.50 420.50 163.50 0.00 14.50 2090.50
2005 9.50 0.00 e 17.00 25.00 234.00 232.50 f 672.00 633.50 396.00 178.00 70.00 25.50 2260.50
2006 13.00 39.00 0.00 z 31.07 b 293.90 e 545.19 d 386.50 o 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 922.17
Period of Record Statistics
MEAN 7.00 9.18 19.54 62.99 180.71 372.65 570.28 557.74 406.39 196.60 42.88 8.13 2453.94
S.D. 10.74 13.18 29.59 45.44 81.40 91.42 72.18 72.38 84.22 79.24 32.52 14.04 287.94
SKEW 2.78 1.79 3.16 1.00 0.76 0.19 -0.19 -0.18 -0.63 0.44 0.60 2.42 0.45
MAX 56.50 55.50 160.00 210.50 415.63 581.25 732.50 708.35 568.00 397.50 129.00 63.55 3248.82
MIN 0.00 0.00 0.00 0.00 45.00 182.00 374.50 383.37 195.00 65.50 0.00 0.00 1816.42
NO YRS 47 47 49 48 50 53 53 55 54 57 51 47 31