PALOMAR MOUNTAIN OBSERV, CALIFORNIA

Monthly Total Growing Degree Days

(046657)

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 677.00 701.63 a 596.00 294.50 62.00 9.00 2340.13
1949 0.00 3.50 8.78 a 202.00 195.00 523.50 693.50 646.00 654.50 296.00 281.50 33.50 3537.78
1950 31.00 42.50 67.00 205.00 256.00 433.00 668.50 739.50 459.00 457.50 227.40 e 138.50 3724.90
1951 37.00 59.50 48.50 97.00 259.50 412.50 727.50 666.00 674.00 312.50 86.00 17.50 3397.50
1952 18.50 7.00 10.50 105.60 e 382.33 d 326.50 682.00 758.00 611.00 530.50 56.50 20.00 3508.43
1953 104.00 37.00 36.00 98.00 80.50 384.00 748.00 669.50 638.00 316.50 160.50 58.50 3330.50
1954 48.00 109.00 36.00 226.00 360.00 436.50 722.50 586.00 588.00 380.50 169.00 10.50 3672.00
1955 1.50 24.50 45.50 51.50 190.50 395.00 581.50 724.00 598.00 439.50 152.50 29.50 3233.50
1956 45.50 1.50 102.50 89.00 252.50 498.00 627.00 628.50 680.50 218.50 163.50 55.50 3362.50
1957 1.00 85.50 51.00 86.50 136.50 521.00 712.00 640.00 530.00 143.00 35.00 43.50 2985.00
1958 6.00 33.50 2.00 123.75 b 336.72 b 411.00 623.50 600.50 f 589.29 b 424.18 a 105.50 f 111.00 q 2549.94
1959 64.00 g 2.07 a 80.50 h 192.00 f 160.00 570.52 a 793.71 b 640.15 a 471.50 481.07 d 165.00 41.50 h 3284.02
1960 1.66 c 9.86 d 142.82 c 204.50 293.95 c 445.00 h 502.00 i 510.00 h 604.00 260.92 a 67.00 40.00 1624.71
1961 34.62 a 27.00 33.00 j 164.00 133.19 d 354.00 m 786.62 c 513.50 g 343.00 j 276.00 f 49.00 18.50 1212.93
1962 45.00 23.50 30.50 270.50 174.00 447.00 623.50 739.00 577.00 319.00 186.00 76.00 3511.00
1963 5.00 112.50 17.00 47.00 255.50 304.00 680.00 659.50 577.00 300.50 65.00 c 50.00 3073.00
1964 17.57 a 8.50 11.76 b 70.18 b 211.50 435.56 c 0.00 z 687.50 526.07 b 463.00 74.42 d 25.83 a 2531.89
1965 23.50 f 53.00 12.40 a 162.78 c 194.30 c 286.73 d 0.00 z 698.02 a 371.50 510.95 c 100.00 45.35 d 2435.03
1966 16.02 a 0.00 d 93.00 b 216.43 b 0.00 z 503.04 b 667.03 b 755.07 c 560.00 313.62 a 128.89 c 22.22 a 3275.31
1967 41.50 63.54 b 55.00 1.50 256.00 342.93 a 717.81 b 771.38 a 482.14 b 448.00 186.50 16.53 a 3382.84
1968 21.18 a 66.92 c 53.73 a 106.55 a 264.50 511.61 b 667.53 a 559.15 d 601.50 344.62 a 100.50 27.50 3325.30
1969 58.90 a 0.00 62.50 87.00 355.50 363.62 a 690.61 d 846.00 621.50 190.50 72.50 49.00 3397.63
1970 21.50 16.00 53.00 50.89 b 347.50 548.50 853.02 a 789.50 532.00 235.00 125.00 20.67 a 3592.58
1971 105.50 53.50 88.50 90.50 151.00 0.00 z 787.00 774.00 607.00 263.50 75.00 0.00 2995.50
1972 7.00 48.00 272.69 d 168.50 287.00 494.00 818.06 d 430.00 l 220.50 k 78.61 c 16.00 10.50 2200.35
1973 0.00 0.00 0.00 87.50 339.00 581.50 741.50 669.60 a 498.46 d 281.50 71.00 22.00 3292.06
1974 7.00 1.00 38.00 68.00 260.00 636.50 636.50 671.50 634.50 278.50 56.00 1.00 3288.50
1975 73.50 10.00 15.50 2.00 258.50 452.00 701.50 664.00 577.50 214.00 95.00 25.50 3089.00
1976 28.50 17.00 27.50 54.50 300.50 474.50 642.98 b 532.50 340.50 202.50 123.00 3.32 c 2747.30
1977 0.00 66.00 3.00 128.00 70.00 307.00 l 772.50 720.50 479.50 342.03 a 147.93 a 116.50 2845.96
1978 2.50 0.58 d 52.50 35.00 294.50 671.50 0.00 z 760.50 395.69 a 414.00 57.50 0.00 2684.27
1979 0.00 b 8.50 17.00 81.00 278.50 558.50 695.00 583.32 a 622.50 256.50 5.89 b 45.00 3151.71
1980 0.00 21.00 0.52 a 124.50 96.50 436.03 a 55.50 z 281.00 t 69.50 z 0.00 z 163.00 79.05 a 920.60
1981 14.98 a 49.30 e 6.41 b 162.00 268.27 e 705.50 776.00 832.00 615.00 138.00 95.50 55.50 3718.47
1982 4.00 13.00 12.00 77.50 241.50 357.50 602.00 704.00 548.50 191.50 13.50 1.50 2766.50
1983 5.50 1.50 4.00 11.50 258.50 462.50 620.50 599.00 591.00 216.00 51.00 4.13 a 2825.13
1984 0.00 1.50 35.50 107.00 504.00 508.50 746.00 650.00 563.50 112.00 27.00 0.00 3255.00
1985 7.50 27.50 4.00 249.50 220.00 580.50 773.50 690.50 271.00 186.00 55.00 24.00 3089.00
1986 28.50 0.00 z 112.50 99.50 293.00 607.50 617.00 805.00 293.00 155.50 56.50 17.00 3085.00
1987 6.00 2.00 2.50 228.00 263.00 574.50 497.50 711.00 523.50 321.00 18.00 10.50 3157.50
1988 4.50 29.00 90.50 122.00 270.50 438.50 753.00 656.50 549.50 475.50 79.00 21.00 3489.50
1989 0.50 49.00 96.50 324.00 275.00 542.50 811.50 612.00 538.50 259.50 126.50 36.00 3671.50
1990 0.00 z 13.00 86.00 100.50 144.00 530.00 755.50 641.50 535.50 383.50 82.00 6.00 3277.50
1991 3.00 56.50 0.00 53.50 159.50 351.00 663.00 633.50 527.00 441.50 130.50 2.00 3021.00
1992 9.50 13.50 2.50 202.50 335.00 413.50 0.00 z 682.50 575.50 341.00 48.00 0.50 2624.00
1993 1.50 0.00 80.50 132.50 273.50 470.50 584.00 661.00 566.50 272.50 50.00 1.00 3093.50
1994 40.00 2.00 51.50 142.50 239.50 666.00 783.27 a 802.00 600.50 195.00 6.00 0.50 3528.77
1995 2.00 68.00 44.50 68.50 108.50 386.00 707.00 809.50 621.50 376.00 183.00 63.00 3437.50
1996 24.00 38.00 53.00 173.50 298.50 558.00 835.00 818.50 502.50 330.50 70.86 a 7.00 3709.36
1997 3.00 2.50 180.50 149.50 526.00 446.50 708.00 791.50 565.00 231.00 99.00 7.48 b 3709.98
1998 13.00 0.00 29.50 89.50 65.10 a 314.00 769.50 798.00 410.00 199.95 a 56.00 12.00 2756.55
1999 22.50 17.50 29.00 106.00 250.50 507.00 683.00 720.50 588.50 448.00 186.21 a 15.50 b 3574.21
2000 20.50 6.00 55.80 a 211.03 a 444.00 602.00 783.55 b 813.75 a 659.48 a 339.89 c 45.00 c 34.50 f 3981.01
2001 0.52 a 24.00 97.65 a 84.23 d 543.00 628.45 a 681.47 b 801.50 660.54 b 430.90 a 89.44 c 1.66 c 4043.35
2002 7.50 54.50 30.00 127.00 318.50 644.00 828.00 791.50 597.50 234.64 b 54.83 a 0.00 3687.97
2003 105.50 1.50 36.50 13.00 343.98 e 587.00 832.02 c 758.50 702.00 413.00 j 9.50 20.50 g 3389.50
2004 3.00 0.00 z 273.00 136.00 340.50 594.50 777.00 738.00 542.50 236.00 5.50 52.59 c 3698.59
2005 26.00 0.00 69.15 e 0.00 z 333.00 427.00 795.50 695.50 326.50 j 285.50 110.00 g 49.50 2681.15
2006 28.00 69.50 0.00 z 27.00 m 283.00 j 650.00 c 514.50 l 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 747.50
Period of Record Statistics
MEAN 21.10 27.70 53.41 121.38 263.35 490.96 713.86 707.50 552.71 305.68 92.18 27.76 3345.73
S.D. 26.54 28.85 57.77 70.05 103.75 104.62 76.95 75.92 92.28 108.73 61.09 29.07 309.98
SKEW 1.87 1.07 2.20 0.60 0.42 0.02 -0.34 -0.13 -1.22 0.16 0.79 1.69 -0.20
MAX 105.50 112.50 273.00 324.00 543.00 705.50 853.02 846.00 702.00 530.50 281.50 138.50 4043.35
MIN 0.00 0.00 0.00 1.50 65.10 286.73 497.50 532.50 271.00 78.61 5.50 0.00 2747.30
NO YRS 55 56 55 55 56 54 52 53 54 55 56 54 38