CHULA VISTA, CALIFORNIA

Monthly Total Growing Degree Days

(041758)

Base Temperature = 50 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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
1918 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 591.35 d 490.50 217.00 98.00 1396.85
1919 122.00 72.50 94.50 214.50 318.00 419.50 527.00 533.50 450.50 280.50 190.50 115.00 3338.00
1920 89.50 145.00 119.00 163.00 290.00 370.00 468.00 560.50 429.00 264.50 178.50 71.50 3148.50
1921 72.50 100.00 188.00 156.00 226.00 366.50 542.00 532.00 458.00 416.50 257.50 234.50 3549.50
1922 57.50 92.00 108.50 139.50 281.50 376.50 513.50 576.00 534.50 356.50 125.50 172.50 3334.00
1923 101.00 84.00 147.50 214.00 352.50 338.50 475.50 512.00 472.00 348.50 323.50 166.00 3535.00
1924 66.00 159.00 145.50 212.50 347.00 408.50 487.00 487.50 425.00 236.50 204.00 84.50 3263.00
1925 45.50 96.00 146.50 205.00 332.00 401.50 590.00 529.00 410.00 367.00 251.50 215.50 3589.50
1926 115.50 197.50 322.00 383.50 400.00 468.00 515.50 562.00 409.50 357.50 335.50 103.00 4169.50
1927 73.50 136.00 146.50 198.50 299.50 353.00 517.50 529.00 433.50 332.65 e 292.50 119.00 3431.15
1928 134.00 119.62 a 199.00 175.50 369.00 393.10 a 460.50 487.00 415.50 321.00 208.00 113.50 3395.73
1929 52.50 40.50 103.00 168.50 326.00 408.50 567.50 616.50 507.50 430.00 224.00 192.50 3637.00
1930 119.00 143.50 234.00 298.00 280.50 406.03 a 558.00 590.00 457.00 379.50 301.00 100.00 3866.53
1931 124.50 193.00 242.50 345.00 467.00 498.00 688.50 697.50 533.50 424.50 180.50 46.00 4440.50
1932 39.00 116.50 168.50 228.50 322.00 375.00 453.00 469.50 431.00 338.00 310.00 63.50 3314.50
1933 30.50 15.00 126.00 179.50 191.50 327.00 467.50 495.00 351.00 335.00 231.00 60.00 2809.00
1934 78.00 173.00 290.88 a 310.00 400.50 399.50 561.50 566.00 527.50 389.50 258.50 216.50 4171.38
1935 124.00 142.50 88.50 235.00 316.00 369.50 501.50 605.50 486.00 337.50 114.00 117.50 3437.50
1936 90.50 130.50 163.50 194.50 354.00 414.00 587.50 619.50 483.00 390.50 267.00 149.00 3843.50
1937 5.00 52.50 144.50 207.50 345.00 397.00 533.50 542.50 521.50 366.50 207.00 203.50 3526.00
1938 149.50 137.50 163.00 237.00 318.50 372.00 493.50 552.50 542.00 329.00 147.50 194.00 3636.00
1939 67.50 16.00 97.50 274.50 326.00 390.50 519.50 571.00 651.00 449.00 299.00 216.00 3877.50
1940 183.50 163.50 228.50 308.50 401.00 411.50 491.50 524.50 472.00 434.00 251.00 266.00 4135.50
1941 135.00 198.50 272.00 254.50 432.50 392.00 499.50 542.00 431.00 397.50 266.00 133.00 3953.50
1942 134.50 54.50 119.50 227.50 303.50 370.50 519.00 537.50 434.00 392.00 189.83 a 97.50 3379.83
1943 99.50 158.50 215.50 240.00 360.50 361.50 506.00 579.00 486.50 402.50 227.00 181.00 3817.50
1944 87.00 69.00 139.50 192.00 334.00 365.00 451.50 506.00 447.50 370.00 227.50 160.00 3349.00
1945 65.00 109.00 102.00 166.50 304.50 398.00 518.00 596.50 550.00 450.00 197.00 147.00 3603.50
1946 81.50 32.50 129.50 282.00 353.50 344.50 534.00 587.00 534.50 333.50 166.00 121.00 3499.50
1947 32.00 131.00 226.50 302.50 360.00 443.50 508.00 572.50 545.50 399.50 171.50 124.00 3816.50
1948 84.00 52.50 87.50 227.00 283.00 369.00 418.50 461.50 450.50 356.00 164.50 39.50 2993.50
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 322.00 n 506.00 k 347.50 o 256.00 q 297.00 k 269.50 k 109.50 n 211.83
2007 112.00 i 131.00 g 204.00 j 221.00 f 259.50 l 270.00 l 387.50 k 421.50 m 279.00 q 254.50 p 186.50 p 89.50 p 0.00
2008 99.50 j 143.50 h 179.50 l 244.50 i 254.50 k 292.50 m 56.00 z 0.00 z 372.00 m 365.00 l 253.50 m 116.50 n 0.00
2009 250.50 f 208.00 259.50 265.00 g 440.00 500.50 659.00 689.50 662.00 445.50 305.00 166.00 4335.00
2010 217.00 205.50 293.00 267.00 339.50 401.50 499.00 553.50 521.00 449.50 310.50 232.00 4289.00
2011 257.50 149.50 243.50 349.50 388.53 a 425.00 599.00 589.50 549.50 471.00 279.11 b 115.50 4417.14
2012 215.50 205.50 256.00 323.50 454.50 450.00 574.50 690.00 696.50 548.00 345.00 220.00 4979.00
2013 181.00 139.00 280.00 12.50 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 600.00
Period of Record Statistics
MEAN 139.08 151.34 204.31 263.62 360.69 420.90 551.85 595.35 537.62 427.16 264.22 156.36 4009.66
S.D. 79.91 70.82 79.52 77.45 74.46 63.32 66.62 75.10 89.13 82.47 67.39 61.46 673.74
SKEW 0.56 0.22 0.42 0.59 0.68 0.57 0.70 0.41 0.53 0.25 0.06 0.12 0.64
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 5.00 15.00 87.50 116.00 191.50 325.50 418.50 461.50 351.00 236.50 114.00 39.50 2809.00
NO YRS 78 83 78 78 77 76 76 77 76 77 77 77 64