LAKE ARROWHEAD, CALIFORNIA

Monthly Total Growing Degree Days

(044671)

Base Temperature = 50 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201111
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
1941 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 510.00 262.50 95.50 64.00 2.00 934.00
1942 0.00 0.00 7.50 15.50 131.00 391.50 690.50 618.50 407.00 202.00 47.00 5.50 2516.00
1943 2.50 0.50 12.00 122.00 295.00 285.00 575.50 587.00 522.50 234.00 11.50 0.00 2647.50
1944 0.00 0.00 0.00 0.00 150.00 196.50 485.00 592.00 464.50 183.50 4.00 0.00 2075.50
1945 0.00 3.00 3.00 99.50 149.50 365.00 681.00 634.00 470.00 163.00 19.00 0.00 2587.00
1946 1.00 0.00 0.50 130.50 157.00 341.00 555.00 590.00 418.50 36.50 0.00 1.50 2231.50
1947 0.00 1.00 9.00 78.50 258.00 332.00 633.00 530.50 481.50 130.00 2.00 0.00 2455.50
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 504.50 546.50 441.50 144.50 4.50 0.00 1641.50
1949 0.00 0.00 0.00 88.00 140.00 416.00 566.00 507.00 502.50 163.00 79.00 3.00 2464.50
1950 0.00 1.00 15.50 127.50 182.00 351.00 610.00 612.50 311.50 262.00 66.00 17.00 2556.00
1951 5.00 10.50 23.50 60.00 169.00 325.50 619.00 525.50 485.00 41.50 o 6.50 0.00 2229.50
1952 0.00 0.00 0.00 9.00 235.50 189.00 577.50 601.00 466.50 312.50 3.00 0.00 2394.00
1953 0.00 1.00 9.50 41.50 30.00 239.50 640.50 531.00 463.50 162.00 54.00 0.00 2172.50
1954 0.00 10.50 6.50 108.50 271.00 293.50 630.50 430.00 450.50 221.00 10.00 0.00 2432.00
1955 0.00 0.00 3.00 5.00 120.00 285.00 456.00 589.00 458.00 235.00 30.50 0.00 2181.50
1956 0.50 0.00 16.03 b 27.00 133.00 391.50 503.50 473.50 540.50 112.00 24.50 0.00 2222.03
1957 0.00 9.00 14.50 29.00 72.00 403.50 553.00 513.00 375.00 45.00 0.00 0.00 2014.00
1958 0.00 2.00 0.00 56.50 224.00 294.00 489.00 605.00 462.50 268.50 32.00 18.00 2451.50
1959 3.00 0.00 2.00 92.50 73.00 413.50 666.50 509.50 340.50 270.50 3.50 1.50 2376.00
1960 0.00 0.00 40.00 105.50 172.50 510.50 608.00 587.50 503.50 168.50 15.50 0.00 2711.50
1961 0.00 0.00 4.00 83.00 59.00 455.69 a 647.00 549.50 329.00 196.00 0.00 a 0.00 2323.19
1962 0.00 z 0.00 2.00 136.00 89.50 354.00 529.50 617.50 500.00 194.00 49.50 0.00 2472.00
1963 0.00 26.00 2.00 13.00 159.00 199.00 551.50 536.50 456.00 192.50 14.50 0.00 2150.00
1964 0.00 0.00 0.00 27.50 130.50 297.50 584.00 565.50 408.00 339.00 5.50 6.00 2363.50
1965 0.00 0.00 0.00 60.50 113.50 197.50 525.00 551.50 257.00 342.00 37.50 0.00 2084.50
1966 0.00 0.00 30.50 98.50 200.00 362.00 562.50 601.00 424.50 173.00 22.00 0.00 2474.00
1967 0.00 0.00 8.00 0.00 175.00 264.00 658.00 679.50 390.50 214.00 62.00 0.00 2451.00
1968 0.00 12.00 9.00 44.50 174.50 388.00 546.50 444.00 412.50 151.50 8.50 0.00 2191.00
1969 0.00 0.00 d 10.00 32.00 239.00 313.50 582.00 714.50 501.00 70.00 10.50 0.00 2472.50
1970 0.00 1.00 1.50 13.50 261.95 a 407.50 705.00 690.00 378.50 117.00 12.50 0.00 2588.45
1971 0.00 2.00 34.50 30.00 78.50 311.50 610.00 590.50 414.50 155.50 13.50 0.00 2240.50
1972 0.00 0.00 95.00 18.00 130.00 330.50 693.00 548.50 324.00 56.50 0.00 0.00 2195.50
1973 0.00 0.00 0.00 26.00 281.50 476.00 572.00 543.50 367.00 130.50 27.00 0.00 2423.50
1974 0.00 0.00 0.50 28.50 211.00 495.50 567.50 525.97 a 512.50 138.50 7.50 0.00 a 2487.47
1975 0.00 0.00 0.00 0.00 159.00 339.50 560.50 535.50 453.00 117.50 9.00 0.00 2174.00
1976 0.00 0.00 0.50 20.00 212.00 358.00 561.00 422.50 298.00 114.00 20.50 0.00 a 2006.50
1977 0.00 0.00 0.00 71.00 40.00 423.00 595.50 603.00 378.00 222.00 23.00 1.50 2357.00
1978 0.00 0.00 17.50 5.00 187.00 453.00 599.50 542.50 340.50 246.00 10.50 0.00 2401.50
1979 0.00 0.00 0.00 29.00 204.00 474.50 585.50 492.00 522.50 176.00 2.00 1.00 2486.50
1980 0.00 0.00 0.00 67.50 69.00 319.50 673.50 0.00 z 404.50 0.00 z 47.00 5.50 1586.50
1981 0.00 2.00 0.00 95.00 155.50 550.86 a 590.50 676.00 419.00 58.50 3.00 0.00 2550.36
1982 0.00 0.00 1.00 13.50 150.50 265.00 493.00 560.50 342.50 36.50 0.00 0.00 1862.50
1983 0.00 0.00 1.00 0.00 190.00 285.50 523.50 539.40 a 440.00 68.50 10.00 0.00 2057.90
1984 0.00 0.00 5.00 54.00 371.50 345.50 0.00 z 597.00 472.50 66.00 3.50 0.00 1915.00
1985 0.00 0.00 0.00 0.00 z 157.58 a 470.69 a 635.00 567.00 227.00 116.77 a 10.00 0.00 2184.04
1986 0.00 15.50 29.00 56.00 217.50 451.20 e 498.00 678.00 214.00 58.50 3.00 0.00 2220.70
1987 0.00 0.00 0.00 145.86 a 167.00 427.50 453.50 562.50 414.50 199.50 0.00 0.00 2370.36
1988 0.00 0.00 27.50 62.50 200.50 348.00 593.50 539.50 412.00 308.50 51.50 0.00 2543.50
1989 0.00 4.00 41.00 246.00 214.50 395.50 659.50 497.00 418.50 132.50 13.50 0.00 2622.00
1990 1.00 0.00 13.50 65.00 108.00 435.00 620.50 514.50 432.50 227.50 24.00 0.00 2441.50
1991 0.00 0.00 0.00 41.00 105.50 251.50 540.00 532.00 471.50 300.00 21.00 0.00 2262.50
1992 0.00 0.00 0.00 124.50 252.50 313.50 515.00 631.50 482.00 196.50 0.00 0.00 2515.50
1993 0.00 0.00 18.00 79.00 227.50 374.00 452.50 533.50 426.50 119.50 5.00 0.00 2235.50
1994 3.50 0.00 10.50 79.50 172.50 542.50 638.50 693.50 0.00 z 71.00 1.00 0.00 2212.50
1995 0.00 0.50 22.00 31.50 63.00 329.00 601.50 693.00 494.00 216.50 62.00 3.00 2516.00
1996 0.00 10.00 23.00 139.00 258.00 458.50 705.50 692.50 431.50 214.50 14.00 0.00 2946.50
1997 0.00 0.00 65.50 0.00 z 0.00 z 0.00 z 0.00 z 639.00 470.00 122.00 43.00 0.00 1339.50
1998 0.52 a 0.00 l 18.00 0.00 z 27.00 265.00 697.50 0.00 z 330.00 0.00 z 0.00 0.00 1338.02
1999 0.00 0.00 0.00 33.00 166.37 a 404.00 645.00 658.00 499.14 a 281.58 a 52.00 0.00 2739.09
2000 0.50 3.76 b 1.00 f 113.57 b 386.50 576.11 c 708.87 a 659.04 d 397.50 129.68 a 0.00 a 1.19 e 2976.72
2001 0.00 c 0.00 d 5.00 l 61.00 f 490.26 d 428.00 f 601.50 688.41 b 419.42 d 209.25 a 2.22 c 0.00 c 2411.07
2002 0.00 0.00 0.00 j 31.50 61.00 s 492.50 707.00 584.00 415.50 86.00 1.50 0.00 2318.00
2003 2.50 0.50 0.60 e 7.00 h 0.00 z 422.00 644.50 600.50 491.00 193.00 k 0.00 q 0.00 2161.60
2004 0.00 h 0.00 29.00 k 47.00 199.50 113.00 u 216.50 t 463.50 g 273.00 f 104.00 0.00 j 0.00 n 350.50
2005 0.00 0.00 z 0.00 7.50 g 194.00 313.50 699.00 573.50 316.61 b 100.00 1.50 0.00 2198.11
2006 0.00 0.00 0.00 d 13.50 280.50 497.50 683.50 529.00 373.00 55.00 31.00 0.00 2463.00
2007 0.00 e 0.50 20.15 a 74.50 0.00 z 443.50 0.00 z 682.00 333.50 72.00 f 23.00 g 0.00 1554.15
2008 0.00 0.00 n 0.00 e 24.00 j 63.50 o 132.00 v 66.00 z 321.00 p 264.00 m 45.00 u 14.50 p 0.00 t 0.00
2009 0.00 v 0.00 z 0.00 z 3.00 r 282.62 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 282.62
2010 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
2011 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
Period of Record Statistics
MEAN 0.31 1.85 10.86 60.08 180.24 369.37 594.51 577.61 416.04 165.04 18.93 1.01 2374.12
S.D. 0.94 4.58 17.02 48.33 86.19 91.55 70.09 68.55 74.53 79.13 20.75 3.22 211.85
SKEW 3.40 3.31 2.73 1.15 0.85 0.08 -0.15 0.08 -0.73 0.33 1.17 4.31 -0.03
MAX 5.00 26.00 95.00 246.00 490.26 576.11 708.87 714.50 540.50 342.00 79.00 18.00 2946.50
MIN 0.00 0.00 0.00 0.00 27.00 189.00 452.50 422.50 214.00 36.50 0.00 0.00 1862.50
NO YRS 64 63 62 59 62 62 62 64 65 62 64 66 50