PORTOLA, CA

Monthly Sum of Growing Degree Days (Degrees Fahrenheit)

(047085)

Base Temperature = 50 F

File last updated on May 25, 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
19150.00a0.00 0.00 3.00 32.00 43.50 263.00 367.50 192.50 27.00 0.50 -----z929.00a
19160.00 0.00 0.50 65.50 28.50 27.50a320.19e127.50 16.50 4.00 0.00 0.00 590.19
19170.00 0.00 0.00 6.50 47.50 161.50 628.50 781.11d99.00 -----z0.00 0.00 1724.11a
19180.00 0.00 0.00 1.00 7.00 163.50 489.00 319.50 188.00 108.00 20.50 0.00 1296.50
19190.00 0.00 0.00 4.50 93.00 68.00 461.50 329.00 195.00 11.00 0.00 0.00 1162.00
19201.00 0.00 2.00 3.00 5.00 130.00 189.00 366.50 146.00 7.00 -----z0.00 849.50a
19210.00 -----z37.50a15.00 -----z348.50 251.50a211.50 -----z82.00 7.00 0.00c953.00c
19220.00 0.00 0.00 0.00a0.00g99.50 437.00 150.50 82.00a5.00 0.00 0.00 774.00a
19230.00b-----z0.00 0.00 111.50 154.00 384.00 316.50 305.50 61.50 2.00 0.00 1335.00a
19240.00 0.00 0.00 2.50 152.00 446.39b401.00 82.50c2.59b0.00d0.00b0.00 1086.98
19250.00 0.00a0.00 29.00 244.29c307.09b401.00 180.00 16.00 0.00 0.00 0.00a1177.38
19260.00 0.00 5.50a42.50 -----z383.50 484.14b-----z-----z-----z0.00e0.00g915.64e
19270.00c0.00 0.00 7.00 32.50 140.50 411.00 236.50 26.68e6.00 1.00a0.00a861.18
19280.00 0.00 0.00a0.00 243.00 158.50 362.00 270.50 111.00 0.00a0.00 0.00 1145.00
19290.00m0.00l0.00 4.50 95.50 213.00 391.00a-----z172.50 14.50 0.00d0.00 891.00c
19300.00 0.00 0.00 4.00 25.00 279.00 290.00 177.50 123.00 11.00 0.00 0.00 909.50
19310.00 0.00 8.00 25.00 182.59b213.50 537.00a382.00 85.00 3.50 0.00 0.00e1436.59
19320.00b0.00 9.00 1.50 44.50 385.50 -----z372.00a182.50 30.50 -----z0.00 1025.50b
19330.00 0.00 0.00 2.00 52.50 268.50 447.00 321.00 107.00 197.50 6.00 0.00 1401.50
19340.00 0.00 0.00 12.00 55.00 137.00 281.00 -----z-----z75.50a0.00a0.00a560.50b
1935-----z0.00 0.00 1.00a75.00 270.50 331.50 357.50 232.00 35.50g0.00i0.00 1267.50c
19360.00b0.00f3.50 40.00 83.00f235.50a377.50a297.50 -----z26.50 0.00 0.00 980.50c
19370.00n0.00a0.00b8.50 97.00 193.50 417.00 336.00 167.00 23.50 0.00 0.00b1242.50a
19380.00 0.00a0.00 7.00 89.50a272.00 384.00 319.00 193.50 16.00a0.00 0.00 1281.00
19390.00a0.00 2.50a15.00 78.00 199.50 418.50 419.00 183.50 5.50 0.00a0.00 1321.50
19400.00 0.00 0.50 10.50 136.50 372.00 327.00 384.50 115.00 38.00 0.00 0.00b1384.00
19410.00 0.00a0.00a1.00 66.00a136.50 397.00 281.00 82.00a15.50 3.50 0.00 982.50
19420.00c0.00 0.00 0.50a31.50 148.62b388.00 325.50a113.50a40.34b0.00 0.00e1047.97
19430.00a0.00 -----z-----z99.00 97.00a401.90b193.50a253.50 52.00f0.00f0.00e1044.90d
1944-----z0.00e0.00d2.15c23.00f126.74c333.33d293.08e200.21d26.54e0.00e0.00c982.05b
19450.00f0.00f0.00e16.11c55.86b184.00 -----z-----z-----z106.73e3.48e0.00d366.18e
19460.00a0.00a0.00 17.00 65.00a111.50 389.50 355.50a136.00a6.50a0.00 0.00a1081.00
19470.00 0.00 0.50 31.50 170.50a200.00 246.50 270.50 225.50 42.50 0.00 0.00 1187.50
19480.00 0.00a0.00 0.00 47.00 204.55b341.00 244.00 171.50a37.50 0.00 0.00 1045.55
19490.00 0.00 0.00 23.00 119.50a247.50a380.50 318.62b273.00 40.00g0.00a0.00 1362.12a
19500.00 0.00 0.00 16.00 126.50a213.00 379.00a322.00 153.50 31.00 6.50 0.00 1247.50
19510.00 0.00 1.00 16.00 114.50 233.00 397.50 343.00 286.65d12.86c0.00 0.00 1404.51
19520.00 0.00 0.00 8.00 89.50 161.50 496.00 330.50 251.50 92.50 0.00 0.00 1429.50
19530.00 0.00a0.00 14.00 13.00 107.50 417.00 290.00 336.50 40.50 0.00 0.00 1218.50
19540.00 0.00 0.00 36.50 154.00 201.96b437.00 272.50 138.50 29.00 0.00 0.00 1269.46
19550.00 0.00 0.00a0.00 72.93b228.00 336.50 398.00 204.00 59.50 2.00 0.00 1300.93
19560.00 0.00a0.00 12.00 104.50 215.00 438.00 288.50a212.50 58.93c0.50 0.00 1329.93
19570.00 0.00 2.00 4.00 65.00 300.50 378.50 252.50 254.50 4.50 0.00 0.00 1261.50
19580.00 0.00 0.00 0.00 140.00 216.00 401.50 527.50 -----z93.50a2.50 0.00 1381.00a
19590.00c0.00a0.00 21.50a43.00a290.50 505.00a351.50a177.50 75.50a0.00a0.00a1464.50
19600.00c0.00e0.00b6.00 51.50 272.15d473.50 311.00a216.00 31.00 0.00f0.00 1361.15a
19610.00 0.00 0.00 6.00 15.00 240.00f361.50 392.78d127.00 44.50f0.00b0.00 902.28b
19620.00 0.00 0.00 25.50 26.50 229.00 389.00 327.00 243.50 38.00 0.50 0.00 1279.00
19630.00 2.50 0.00 0.00 146.00 188.50 282.50 286.00 284.50 62.00 1.00 0.00 1253.00
19640.00 0.00 0.00 1.00 63.00 157.50 396.50 -----z123.00 93.50 0.00a0.00b834.50a
19650.00a0.00 0.00a26.00 50.50 212.50 383.00 330.50 103.50 71.00 0.00 0.00a1177.00
19660.00 0.00 6.50 21.00 158.00 235.50 328.50 472.50 237.50 49.14b1.00 0.00 1509.64
19670.00 0.00 0.00 0.00 125.00 224.50 462.00 507.50a310.50 30.00a1.50 0.00 1661.00
1968-----z0.00a0.00 6.50 62.00a289.00 503.50 306.00 213.00a40.50 0.00a0.00 1420.50a
19690.00 0.00 0.00a3.50 182.50 258.00 454.50 416.00 263.50 17.00 0.00 0.00 1595.00
19700.00 0.00a0.00 0.00a103.00a274.50 431.50 368.00 122.50f6.00i0.00 -----z1177.00c
19710.00v0.00 0.00r0.00f5.77e-----z432.50a376.15e160.00a40.00l0.00q0.00n974.42g
19720.00e0.00i2.50g4.83c89.46c225.50i432.78d307.00f116.00e16.50k0.00m-----z643.08g
19730.00n0.00k-----z0.00o77.00i132.00o218.00n-----z-----z-----z-----z-----z0.00l
1974-----z0.00h0.00 0.00c64.44d212.00 330.50 323.50 250.50 -----z-----z0.00w1180.94e
19750.00c0.00d0.00c0.00d58.00i209.13d367.24b258.10b294.83c46.00 0.00f0.00d1175.31b
19760.00d0.00e0.00d0.00g34.00h139.82b351.72b171.00f251.50 42.93b0.00b0.00d785.98c
19770.00b0.00c0.00j4.46d14.00f330.50h420.54c434.44d145.00e31.00k0.00e0.00w1004.44e
19780.00n0.00c10.00d8.50a60.00a210.52c465.00 407.14c167.56c91.00a0.00c0.00m1419.72b
19790.00b0.00d0.00c0.00 146.38b227.00a423.50a354.50 321.50a118.93c0.00b0.00b1591.81
19800.00a0.00b0.00a27.50 75.58e121.18b443.33d342.50a233.07c118.50 0.00j0.00d1361.66a
19810.00c0.00 0.00d35.21b-----z336.50a412.50a500.77e-----z-----z1.50h0.00d1284.98d
19820.00j0.00f0.00j0.00c90.52b216.50a399.31b398.79b183.86e1.00k0.00d0.00g1288.98e
19830.00h0.00c2.68c0.00e132.86c144.00f263.50a378.75c214.15d28.27e0.00a0.00c1020.21b
19840.00d-----z0.00s6.50 170.00 218.04c548.00a432.50 263.00 24.00a0.00b0.00a1662.04b
19850.00b0.00a0.00a22.50h54.00a340.50 480.54c363.50 117.00 37.00 0.00b0.00f1392.54b
19860.00 1.62c5.50 6.50 123.00 290.00 368.00 437.00a119.11b23.00 0.00 0.00 1373.73
19870.00 0.00a0.00a35.00 141.00 298.50 292.50a414.00a255.00 99.50 0.00a0.00 1535.50
19880.00a0.00 0.00b6.50 71.38b281.00 523.50 482.50 223.50 111.00a2.50a0.00 1701.88
19890.00 0.00 0.00 42.50 55.86b244.50 358.50a273.00 157.43b10.50 0.00 0.00 1142.29
19900.00 0.00 0.00b23.00 30.00 169.00 418.85e388.97b212.00 41.00a0.00a0.00 1282.81
19910.00a0.00a0.00b0.00a30.52b143.93c468.10b391.11d297.50a145.50a7.50a0.00b1484.16
19920.00 0.00a0.00b33.66b221.54e304.50a404.44d466.55b226.82b56.79c3.62b0.00e1717.93
19930.00d0.00b0.00 8.12e102.00 195.00 337.00a325.00a191.61b50.00a0.00a0.00 1208.73
19940.00 0.00b1.00 25.00 112.50a230.39c533.50 383.50 212.00 9.50 0.00 0.00b1507.39
19950.00b0.00 0.00 0.00a47.00a205.50a361.03b333.46e228.89b31.55b0.50a1.55b1209.49
19960.00c0.00 0.00a20.50 61.03b279.80c391.00h437.68c167.79b108.75c0.00a0.00d1075.55a
19970.00d0.00a1.00 10.00a161.50 222.00 409.50 391.00a214.00 3.62b1.50a0.00d1414.12
19980.00a0.00 0.00b23.50a10.00a156.00 454.04e421.67d256.34b11.50 0.00f0.00b1333.04a
19990.00c0.00 0.00c5.00 85.50 241.28e-----z340.50a254.50a66.00a6.00a0.00 998.78a
20000.00c0.00b0.00 9.32b121.00 337.50 329.00a425.00 210.54e60.52b0.00a0.00a1492.88
20010.00 0.00a3.62b12.50a229.00a284.00 420.50a453.00 119.00s89.50 0.00a0.00a1492.12a
20020.00 0.00 0.00 27.00 75.00a299.50 539.00 402.00 253.00 20.17b0.00 0.00a1615.67
20030.00a0.00 3.50 1.00 137.50 328.67c538.00 397.00 295.50 91.55b0.00b0.00b1792.72
20040.00a0.00b10.50a20.71b69.00a263.00a466.00 423.00 203.00b47.78d0.00b0.00b1502.99
20050.00e0.00a0.00c0.00a98.79b153.50a537.50a441.50 133.61b16.15e0.00c0.00i1381.05a
20060.00e0.00e0.00e12.76e137.07b339.63d544.29c352.00a229.50 8.00 1.12d0.00h1624.36a
20070.00d0.00b0.50a22.50a125.00a272.50 502.00a424.50 180.73b13.50a0.00a0.00f1541.23a
20080.00e0.00b0.00b7.00f111.96c256.50 470.50 484.66b271.00 33.62b0.00b0.00d1628.24a
20090.00d0.00b0.00d22.02c168.50a208.50a493.50 404.00a336.29d14.44d0.00f0.00g1647.25b
20100.00e0.00b0.00e0.00c10.71c227.00a499.00 328.45b231.48b66.50g1.00g0.00e1296.64b
20110.00c0.00e0.50 1.67d12.93b205.00a399.00a384.50a330.00a9.00v0.00e0.00d1333.60a
20120.00d0.00a0.00e46.72c81.00j115.00p432.00 498.00a331.50 88.50a4.50 0.00 1401.22b
20130.00 0.00 3.00a36.50 89.00 336.00 553.50a399.00 251.50 0.50 4.50 0.00 1673.50
20140.00 3.00 2.00a14.00 112.50 300.00 619.00a440.00 299.00 89.00 0.00 0.00 1878.50
20150.00 0.00 15.50 11.50a34.00g-----z-----z-----z-----z-----z-----z-----z27.00h
Period of Record Statistics
MEAN0.01 0.08 1.47 12.52 91.32 225.16 413.23 356.45 198.06 45.32 1.07 0.02 1331.86
S.D.0.11 0.44 4.61 13.48 55.88 78.42 82.06 95.90 76.15 39.28 2.78 0.17 248.29
SKEW9.27 5.66 5.70 1.30 0.64 0.07 0.03 0.43 -0.37 1.18 4.60 9.06 -0.27
MAX1.00 3.00 37.50 65.50 244.29 446.39 628.50 781.11 336.50 197.50 20.50 1.55 1878.50
MIN0.00 0.00 0.00 0.00 5.00 27.50 189.00 82.50 2.59 0.00 0.00 0.00 590.19
YRS89.00 91.00 94.00 95.00 89.00 93.00 95.00 92.00 90.00 84.00 85.00 85.00 51.00