CHULA VISTA, CALIFORNIA

Monthly Total Growing Degree Days

(041758)

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 418.50 461.50 450.50 356.00 164.50 39.50 1890.50
1949 9.50 33.50 93.00 252.00 319.00 425.00 496.50 515.50 501.00 340.50 320.00 74.50 3380.00
1950 28.50 66.50 168.50 236.50 252.00 348.00 512.50 476.50 278.00 l 393.00 258.00 157.50 2897.50
1951 64.00 67.00 104.50 j 239.50 289.50 394.00 513.00 505.00 457.76 a 407.50 258.00 87.50 3282.76
1952 74.50 133.00 124.00 208.50 339.00 332.00 467.00 538.00 510.00 372.50 178.50 97.00 3374.00
1953 157.00 74.00 109.00 178.00 282.00 330.00 557.50 523.50 443.50 420.00 281.50 96.50 3452.50
1954 42.00 208.50 122.00 249.50 335.00 384.00 580.00 559.50 489.50 318.00 279.00 140.50 3707.50
1955 30.50 107.50 168.00 168.50 291.00 281.50 f 341.00 i 442.50 h 466.00 f 225.00 i 139.00 h 110.00 g 765.50
1956 63.50 f 22.50 h 61.50 j 138.00 g 270.00 i 294.50 h 370.00 i 380.00 i 384.00 i 289.50 h 159.50 k 102.00 m 0.00
1957 115.06 e 141.50 g 193.15 e 177.00 g 258.50 f 342.00 h 386.00 i 451.50 h 332.00 j 292.50 h 137.50 j 173.50 h 308.21
1958 126.00 g 138.50 h 118.00 g 230.00 g 289.00 h 312.00 i 399.50 h 433.50 j 419.00 h 407.50 h 155.50 j 151.50 h 0.00
1959 129.50 h 106.40 c 210.00 h 266.50 h 253.50 i 329.00 h 456.00 i 456.00 i 370.00 j 318.50 h 198.50 k 158.00 g 106.40
1960 48.00 i 60.00 h 127.50 h 182.00 g 244.50 i 311.00 h 348.50 l 429.50 h 391.00 i 283.00 i 157.50 g 70.00 h 0.00
1961 152.00 h 109.00 i 154.00 g 167.00 i 204.00 j 270.00 h 375.00 j 413.00 i 284.00 l 269.00 i 167.50 j 91.00 f 0.00
1962 96.50 f 132.70 e 66.00 g 161.00 i 213.00 g 236.50 j 332.50 i 392.50 h 289.50 k 259.00 h 133.50 l 85.50 i 132.70
1963 80.50 h 191.50 f 124.50 f 171.35 d 276.50 g 298.50 f 354.50 h 403.50 j 522.50 g 337.50 i 213.50 f 123.00 i 171.35
1964 65.50 f 97.44 d 109.00 f 225.60 e 184.00 g 335.40 e 379.50 f 388.50 j 373.00 f 395.50 g 204.60 e 128.50 991.54
1965 100.50 f 84.00 d 162.15 e 232.78 c 216.00 i 236.00 h 309.00 i 421.50 h 441.60 e 396.50 g 243.50 g 124.00 g 920.53
1966 46.50 i 56.50 g 127.50 g 204.50 h 262.00 i 329.50 g 369.50 i 635.50 b 504.00 453.50 286.00 167.29 b 2046.29
1967 91.00 135.00 225.50 116.00 319.30 a 325.50 535.02 b 630.50 630.50 471.00 365.00 107.00 3951.32
1968 129.00 206.50 206.15 a 250.50 310.00 a 372.12 d 535.27 a 557.50 543.50 384.50 253.50 57.87 a 3806.40
1969 198.40 a 87.50 121.00 256.50 325.50 394.66 a 514.00 597.00 508.00 338.00 308.28 a 150.50 3799.33
1970 120.00 184.50 216.50 213.00 334.50 397.00 526.00 623.21 b 479.00 398.50 249.83 a 102.00 3844.03
1971 127.50 101.63 a 129.50 202.50 255.50 329.50 506.00 688.50 563.00 366.50 164.50 64.00 3498.63
1972 27.50 112.00 216.00 241.50 357.00 446.50 594.17 a 622.00 522.50 436.50 214.50 154.00 3944.17
1973 77.00 165.00 132.50 0.00 z 306.50 424.50 478.50 531.50 458.50 364.50 202.00 136.50 3277.00
1974 101.50 88.50 159.00 217.00 311.50 402.50 555.00 539.50 502.00 425.00 260.50 103.50 3665.50
1975 94.50 72.00 107.00 141.50 259.50 337.50 474.00 491.50 537.50 367.00 208.50 87.50 3178.00
1976 174.00 175.00 181.50 203.50 347.50 447.00 554.50 543.00 596.50 489.50 370.00 196.50 4278.50
1977 186.50 206.00 130.00 252.41 a 291.50 408.00 526.00 603.50 530.50 465.50 306.00 293.50 4199.41
1978 226.00 191.50 326.50 276.00 398.50 472.00 519.00 555.50 582.50 506.50 226.00 78.00 4358.00
1979 122.50 79.00 198.50 256.50 385.00 472.50 512.50 597.00 634.00 444.00 240.50 215.50 4157.50
1980 244.50 261.00 a 216.00 289.00 311.55 a 387.50 556.50 635.00 504.00 426.00 267.00 191.17 a 4289.22
1981 211.00 236.50 214.50 313.00 405.00 557.00 645.50 652.00 564.50 388.00 285.50 190.50 4663.00
1982 142.50 239.00 257.50 303.50 409.72 a 417.50 576.50 644.50 617.00 512.50 292.00 151.00 4563.22
1983 258.50 222.00 299.00 283.50 411.00 460.00 610.00 757.50 732.50 596.50 345.00 250.50 5226.00
1984 264.50 199.00 301.50 325.00 445.50 495.50 748.50 727.00 772.00 491.00 255.00 147.50 5172.00
1985 146.00 144.50 161.50 334.50 414.50 512.07 a 734.00 674.00 586.00 541.50 259.50 234.00 4742.07
1986 338.50 246.50 346.50 362.50 436.14 b 520.00 624.02 d 679.50 503.50 495.43 d 376.50 231.50 5160.58
1987 165.50 212.50 258.50 387.50 455.00 476.50 527.00 608.00 591.00 632.00 354.00 130.00 4797.50
1988 197.50 284.50 345.00 353.00 424.50 432.00 630.50 642.00 608.50 531.50 298.00 214.00 4961.00
1989 164.00 187.50 285.50 465.50 414.00 474.00 612.50 656.00 618.50 521.50 0.00 z 288.50 4687.50
1990 203.00 159.00 178.00 k 390.50 445.00 567.00 673.00 668.50 642.00 579.00 364.50 196.50 4888.00
1991 212.50 256.50 208.50 331.50 351.00 425.50 535.00 609.50 580.00 550.50 0.00 z 221.00 4281.50
1992 254.00 312.00 304.00 477.00 588.00 534.00 680.50 776.00 665.50 542.00 359.00 0.00 z 5492.00
1993 227.50 231.00 367.50 403.50 488.50 547.00 621.50 642.00 598.00 548.00 365.00 225.00 5264.50
1994 262.00 163.00 337.50 326.00 365.00 529.00 597.00 735.50 658.50 527.00 207.00 164.50 4872.00
1995 221.00 340.50 349.50 347.50 365.50 452.00 601.50 699.50 670.00 533.00 374.50 229.50 5184.00
1996 255.50 285.00 305.00 418.00 513.00 536.00 639.00 702.00 620.19 d 456.50 355.50 248.50 5334.19
1997 256.00 224.50 400.00 395.50 568.50 545.00 618.50 745.50 776.50 592.50 410.50 231.50 5764.50
1998 0.00 z 202.50 292.00 266.00 0.00 z 0.00 z 615.00 724.00 649.50 468.62 a 296.00 168.00 3681.62
1999 195.00 164.00 163.00 247.22 c 340.50 400.00 c 605.50 596.23 a 109.50 t 408.50 j 236.50 h 171.00 f 2711.46
2000 238.04 c 182.00 i 246.21 e 361.55 a 447.84 c 523.89 c 592.32 c 694.83 b 619.66 a 456.70 c 165.00 h 229.63 d 4410.66
2001 126.00 163.69 b 279.50 269.46 b 428.66 b 506.50 593.13 a 611.98 b 545.89 b 510.97 b 287.22 c 159.77 e 4482.78
2002 157.87 d 72.50 n 88.00 p 242.00 306.50 428.50 541.50 564.00 385.00 j 439.00 404.50 187.50 3271.37
2003 381.00 220.00 217.00 e 179.50 i 245.00 j 228.00 o 280.00 q 257.50 t 0.00 z 466.50 f 295.20 e 0.00 z 1113.20
2004 111.50 j 110.00 i 148.00 p 87.00 y 511.50 e 386.00 f 399.50 k 362.00 m 341.50 o 267.50 m 235.00 95.50 p 746.50
2005 167.50 i 241.50 192.50 k 206.00 j 303.50 i 369.50 g 466.00 g 442.00 j 323.50 m 0.00 z 223.50 m 109.50 q 241.50
2006 94.50 m 211.83 e 0.00 z 215.00 i 232.50 n 303.00 o 361.00 p 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 211.83
Period of Record Statistics
MEAN 166.33 173.39 224.29 281.82 375.71 440.57 571.01 619.10 571.65 461.81 285.71 163.38 4357.14
S.D. 84.64 72.56 82.61 82.98 81.91 71.66 69.18 79.37 84.42 78.70 65.29 64.35 699.67
SKEW 0.15 0.09 0.28 0.40 0.68 0.05 0.40 -0.02 0.50 0.11 0.05 0.02 0.11
MAX 381.00 340.50 400.00 477.00 588.00 567.00 748.50 776.00 776.50 632.00 410.50 293.50 5764.50
MIN 9.50 33.50 93.00 116.00 252.00 325.50 418.50 461.50 441.60 318.00 164.50 39.50 3178.00
NO YRS 44 48 43 45 43 42 43 44 42 43 43 43 31