PORTOLA, CA

Monthly Sum of Growing Degree Days (Degrees Fahrenheit)

(047085)

Base Temperature = 40 F

File last updated on Aug 29, 2015
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.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
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)JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDECANN
19158.50a9.00 59.00 128.50 196.50 281.00 573.00 677.50 482.00 261.00 108.00 -----z2784.00a
19167.00 1.00 83.00 279.50 213.50 276.50a612.69e431.50 284.50 169.50 59.50 12.50 2430.69
19171.00 0.00 31.50 210.50 311.50 457.00 938.50 1081.11d346.50 -----z63.00 16.50 3457.11a
191815.00 32.00 40.00 142.50 168.00 449.50 799.00 629.50 488.00 412.50 143.00 3.50 3322.50
19193.50 49.00 28.00 176.50 389.00 347.50 771.50 639.00 495.00 142.00 25.00 11.00 3077.00
192049.50 76.50 117.50 111.00 162.00 402.50 499.00 676.50 436.50 132.50 -----z7.50 2671.00a
19215.50 -----z230.00a144.50 -----z648.50 549.00a515.00 -----z327.50 137.00 55.71c2612.71c
19220.00 0.00 0.00 0.00a59.50g365.50 747.00 455.50 351.00a184.00 12.50 22.50 2138.00a
19238.79b-----z36.50 180.50 408.00 451.50 694.00 626.50 605.50 316.50 92.00 4.50 3424.29a
19243.50 19.50 4.50 170.50 459.00 736.39b711.00 356.79c166.75b10.56d2.07b1.00 2641.56
19253.50 23.50a85.00 283.00 543.75c594.50b711.00 489.00 263.00 107.00 9.00 1.00a3113.25
19260.00 10.00 130.00a244.50 -----z683.50 778.39c-----z-----z-----z58.00e10.00g1904.39e
19270.00c0.00 6.00 65.00 234.50 411.00 721.00 531.50 223.30e127.00 88.50a0.50a2408.30
19280.00 2.00 52.50a50.50 542.00 444.50 672.00 580.50 341.00 8.00a20.00 0.00 2713.00
19290.00m1.00l26.50 88.00 330.50 480.00 691.00a-----z402.00 235.50 65.81d30.00 2349.31c
19300.00 14.00 65.00 92.00 212.00 577.00 600.00 486.00 401.00 136.00 26.00 0.00 2609.00
19310.00 0.00 141.50 265.50 478.45b513.50 837.00a692.00 315.50 134.00 36.00 0.00e3413.45
19320.00b14.50 109.00 86.50 246.50 681.00 -----z669.00a475.50 162.50 -----z0.00 2444.50b
19330.00 0.00 2.00 126.00 170.50 567.00 757.00 631.00 364.50 485.50 66.00 0.00 3169.50
19347.50 12.50 126.00 184.00 301.00 377.50 591.00 -----z-----z279.00a61.00a7.50a1947.00b
1935-----z6.50 17.50 94.00a325.50 569.00 641.50 667.50 532.00 179.50g3.00i2.00 2855.50c
19362.59b2.50f72.50 227.00 275.00f504.00a677.50a604.50 -----z226.00 29.50 0.00 2343.59c
19370.00n0.00a24.31b89.50 368.00 473.00 727.00 646.00 463.50 250.50 38.50 1.55b3081.86a
19384.50 0.00a1.00 130.00 310.50a569.50 694.00 629.00 488.50 184.00a6.50 1.50 3019.00
19393.00a0.00 95.50a222.50 327.00 460.50 728.50 729.00 459.50 194.00 35.00a24.00 3278.50
194011.00 5.00 69.00 156.50 422.00 672.00 637.00 694.50 397.50 258.50 0.50 1.55b3325.05
19410.00 3.50a27.50a74.00 305.50a417.50 707.00 589.00 332.50a139.00 90.50 3.00 2689.00
19420.00c0.00 10.00 93.50a194.00 436.55b698.00 623.50a388.50a260.17b43.50 1.73e2749.46
19433.00a15.50 -----z-----z325.50 328.50a701.90b491.00a553.00 198.50f25.00f0.00e2418.40d
1944-----z4.08e12.78d66.06c244.50f399.56c633.33d593.08e486.31d283.85e22.62e12.86c2514.51b
19453.00f8.50f19.04e146.07c265.86b480.00 -----z-----z-----z341.54e41.18e12.78d1306.47e
194611.00a7.00a25.00 180.50 314.00a400.00 699.50 655.50a411.50a153.50a17.50 6.50a2881.50
19472.50 21.50 87.00 195.00 446.50a491.50 556.50 580.50 518.50 251.50 24.50 1.00 3176.50
194816.00 8.50a4.00 77.50 223.50 494.04b650.50 554.00 435.00a254.50 45.00 0.50 2763.04
19490.00 0.00 16.00 233.50 373.00a533.50a690.50 618.62b573.00 189.50g107.50a0.00 3145.62a
19503.00 26.00 40.00 178.00 346.00a490.50 679.00a631.50 425.00 254.50 159.50 44.50 3277.50
19511.00 26.00 54.50 206.50 334.00 520.50 707.50 653.00 576.65d153.21c63.00 3.00 3298.87
19520.00 0.50 6.50 156.50 352.50 435.50 806.00 640.50 532.50 373.00 14.50 1.50 3319.50
195320.00 16.00a31.00 145.00 169.00 376.00 727.00 600.00 636.50 218.00 96.00 16.50 3051.00
19540.50 15.00 17.00 223.00 450.00 461.41b747.00 581.00 421.50 243.00 75.50 0.50 3235.41
19550.00 4.00 30.00a29.00 306.21b520.50 645.00 708.00 492.00 287.00 81.50 23.00 3126.21
19560.50 0.00a56.00 144.00 334.00 501.00 748.00 588.50a512.00 250.18c55.00 8.00 3197.18
19570.00 22.00 52.00 123.50 300.50 597.50 688.50 561.50 553.00 169.50 20.50 0.50 3089.00
19580.00 38.50 4.50 105.50 433.00 506.00 711.50 837.50 -----z342.00a94.00 36.00 3108.50a
195925.71c1.00a53.50 209.50a264.50a590.50 805.00a648.50a435.00 323.00a19.50a1.00a3376.71
19600.00c6.42e94.66b134.00 251.50 561.60d783.50 609.00a514.50 205.50 15.50f0.00 3160.67a
19614.50 12.50 20.00 105.50 167.50 474.50f671.50 692.78d424.50 177.50f11.91b1.50 2112.19b
19621.50 0.00 7.50 229.50 250.00 522.50 699.00 637.00 543.50 272.50 84.00 25.00 3272.00
19635.00 103.00 16.50 59.50 392.50 481.50 592.50 596.00 584.50 314.50 57.00 11.50 3214.00
19640.00 0.00 34.00 98.00 286.00 441.50 706.50 -----z413.50 357.00 36.00a38.28b2410.78a
19650.00a4.00 23.00a155.00 263.50 507.50 693.00 640.50 365.00 341.00 70.00 3.50a3066.00
19664.50 4.50 92.50 215.50 461.00 513.00 638.50 782.50 529.00 283.97b93.00 1.50 3619.47
19671.00 10.00 16.00 1.00 340.50 503.00 772.00 807.50a610.50 288.50a136.50 4.00 3490.50
1968-----z32.50a67.50 141.00 290.50a587.50 813.50 611.00 482.00a277.50 43.00a4.00 3350.00a
19690.00 0.00 33.50a122.50 466.50 556.50 764.50 726.00 563.00 145.00 63.50 24.50 3465.50
197028.00 18.50a58.00 70.50a350.00a571.50 741.50 678.00 355.50f77.00i44.50 -----z2560.50c
19710.00v9.50 0.00r40.00f159.23e-----z732.50a676.15e400.00a125.50l8.00q0.00n1977.38g
19720.00e1.00i124.00g76.26c319.82c435.50i732.78d557.00f398.46e158.00k0.00m-----z1527.32g
19730.00n0.50k-----z76.00o265.00i282.00o388.00n-----z-----z-----z-----z-----z0.00l
1974-----z0.00h43.00 72.50c287.78d508.50 638.00 633.50 550.50 -----z-----z0.00w2733.78e
19750.54c5.06d15.54c15.62d220.50i482.96d667.24b558.10b584.83c191.00 29.50f1.67d2522.56b
19760.00d2.92e30.00d43.50g232.50h384.77b648.62b404.50f547.00 255.52b97.36b0.00d1966.18c
19770.00b28.08c17.50j194.63d102.00f550.50h720.54c734.44d419.34e191.50k43.50e12.50w2140.53e
19780.50n3.78c151.67d91.50a317.00a499.44c775.00 707.14c435.54c354.00a50.48c2.50m3385.55b
19791.55b2.25d67.50c115.50 404.48b511.00a723.50a664.50 611.50a333.21c21.75b7.76b3464.51
19804.50a25.41b1.50a195.50 294.81e380.62b743.33d642.50a516.09c310.50 59.00j18.89d3133.65a
198125.71c25.50 33.33d182.80b-----z621.00a712.50a800.77e-----z-----z66.00h41.67d2443.29d
19823.00j26.50f20.50j76.80c344.48b486.00a699.31b698.79b436.16e99.00k0.00d1.00g2741.54e
19835.00h8.10c35.36c30.74e342.32c384.00f560.50a678.75c501.37d290.19e47.00a10.71c2505.04b
19843.89d-----z42.50s113.50 445.00 495.69c848.00a742.50 561.00 163.50a20.20b0.00a3393.27b
19850.00b0.00a5.50a145.50h285.00a618.50 780.54c673.50 377.00 205.50 40.39b2.00f2985.93b
198632.50 64.26c142.00 136.00 347.50 590.00 678.00 737.00a297.25b240.00 54.50 7.00 3326.01
19872.50 11.00a28.50a252.50 398.50 597.00 590.50a714.00a555.00 382.00 60.50a26.00 3618.00
19881.00a17.00 47.59b170.00 269.48b541.50 833.50 792.50 516.50 398.00a62.00a4.00 3653.07
19890.00 8.00 58.00 239.50 282.93b544.50 658.50a583.00 439.66b199.00 46.00 1.00 3060.09
199013.00 0.00 57.93b239.00 261.00 455.00 718.85e688.97b509.50 267.00a26.00a0.50 3236.74
19910.00a35.00a6.21b84.00a202.76b422.11c768.10b691.11d587.50a358.00a85.50a0.52b3240.81
19920.00 27.00a64.14b222.68b512.88e578.50a702.22d766.55b516.82b303.21c55.41b0.00e3749.42
19930.00d0.00b47.00 96.86e365.50 459.00 637.00a625.00a470.73b277.00a21.00a2.50 3001.59
199412.50 0.00b73.50 151.50 337.50a506.96c843.50 693.50 499.50 165.00 8.00 0.00b3291.46
19954.14b58.00 21.50 83.00a242.50a453.00a661.03b633.46e509.57b276.21b100.50a48.62b3091.53
19964.29c41.50 43.50a155.50 295.34b564.43c621.00h737.68c445.88b274.82c69.00a7.78d2639.71a
19976.67d7.50a126.50 138.00a439.00 521.00 718.00 691.00a505.50 146.90b60.00a0.00d3360.06
19981.50a0.00 62.59b112.50a130.50a454.50 754.04e721.67d534.95b152.50 12.00f2.07b2926.81a
19993.75c0.50 31.61c108.50 311.00 490.68e-----z637.50a542.50a307.50a115.50a1.00 2550.04a
20000.00c5.70b42.50 168.30b361.50 627.00 629.00a735.00 484.88e220.86b9.50a1.00a3285.25
20010.00 3.50a116.38b105.50a518.00a582.00 720.50a763.00 229.00s362.00 69.50a0.00a3240.38a
20023.50 16.50 49.50 190.50 284.00a596.00 849.00 712.00 538.50 198.62b25.50 5.00a3468.62
200318.50a9.50 63.00 49.00 338.00 618.67c848.00 707.00 593.00 352.24b15.54b9.31b3621.75
20040.00a0.52b170.00a159.50b318.50a550.00a776.00 733.00 466.07b182.22d23.82b4.66b3384.29
20050.00e0.00a60.00c95.50a332.07b413.50a837.50a751.50 402.38b260.77e61.22c4.00i3214.44a
20062.88e2.93e5.19e121.22e413.28b628.52d844.29c652.00a513.00 187.50 66.92d7.00h3437.74a
20070.00d8.83b102.00a165.50a382.00a562.50 802.00a734.50 439.66b200.50a70.00a7.00f3467.49a
20080.00e0.00b9.83b78.50f351.43c556.50 780.50 784.66b570.50 276.21b80.27b3.33d3413.22a
20090.00d7.27b34.44d124.59c447.00a494.50a803.50 704.00a626.29d212.22d52.00f0.00g3453.82b
20100.00e9.35b43.27e73.04c151.07c515.50a809.00 627.93b520.96b244.50g49.00g10.38e2760.50b
20118.57c8.22e21.50 70.83d182.07b471.00a699.00a684.50a620.00a73.50v7.54e0.00d2773.22a
20123.89d11.00a29.42e187.43c252.00j246.00p742.00 798.00a631.50 324.50a86.00 12.00 2825.74b
20130.00 0.00 99.00a212.50 356.50 636.00 853.50a709.00 519.00 168.50 57.50 0.00 3611.50
201411.50 47.00 67.00a181.50 376.00 599.50 919.00a750.00 580.00 328.50 88.50 17.50 3966.00
201520.50 83.50 174.00 146.00 337.00 711.50 761.38b765.00b-----z-----z-----z-----z2998.88d
Period of Record Statistics
MEAN5.05 13.95 52.59 139.71 323.57 510.10 719.33 662.46 476.34 245.85 54.58 8.66 3202.15
S.D.8.52 19.53 44.93 64.00 93.80 90.44 81.85 96.71 95.02 86.77 35.46 12.43 328.39
SKEW2.70 2.34 1.38 0.11 0.13 -0.06 -0.00 0.27 -0.72 -0.11 0.65 1.93 -0.42
MAX49.50 103.00 230.00 283.00 543.75 736.39 938.50 1081.11 636.50 485.50 159.50 55.71 3966.00
MIN0.00 0.00 0.00 0.00 130.50 276.50 499.00 356.79 166.75 8.00 0.00 0.00 2408.30
YRS89.00 91.00 94.00 95.00 90.00 94.00 96.00 93.00 90.00 84.00 85.00 85.00 51.00