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Harmful Algal Bloom Data History

Map View About HAB News What Are HABs? HAB Species

Cal Poly Pier
Location: 35° 10.20’ N,120° 44.46’ W
Provider / PI: Cal Poly / Mark Moline
Click here to download complete data history
note: cell counts, chlorophyll, and nutrient concentrations are plotted on a logarithmic scale.
PDT - Pacific Daylight Time (UTC-7) Summer (Apr-Oct)
PST - Pacific Standard Time (UTC-8) Winter (Nov-Mar)
more information
Data Legend
NaN: not analyzed
nd/bd: below detection limit
Date Akashiwo sanguinea (cells/L) Alexandrium spp. (cells/L) Chloro (mg/m3) Dinophysis spp. (cells/L) Domoic Acid (ng/mL) Lingulodinium polyedrum (cells/L) Prorocentrum spp. (cells/L) Pseudo-nitzschia delicatissima group (cells/L) Pseudo-nitzschia seriata group (cells/L) Water Temp (°C)
2013-05-17 0 0 12.52 0 NaN 0 0 438,223 1,224,910 13.0
2013-05-11 0 0 2.83 58,078 NaN 0 0 237,591 190,073 14.5
2013-05-01 0 0 1.41 5,280 NaN 0 0 68,637 100,316 14.0
2013-04-23 0 0 3.81 0 NaN 0 0 47,518 390,705 14.0
2013-04-17 0 0 6.00 0 NaN 5280 5,280 401,264 390,705 12.0
2013-04-12 0 0 3.98 0 NaN 0 5,280 21,119 0 9.0
2013-04-05 0 0 0.53 0 NaN 0 0 26,399 36,959 14.0
2013-04-01 0 0 2.24 0 nd 0 15,839 21,119 327,347 14.0
2013-03-20 0 21,119 11.30 0 nd 0 10,560 142,554 137,275 12.0
2013-03-16 0 0 21.45 0 nd 0 10,560 0 211,192 15.0
2013-03-08 0 5,280 9.11 0 nd 0 0 52,798 26,399 11.0
2013-03-03 0 0 4.03 0 nd 0 0 79,197 5,280 12.0
2013-02-22 0 0 nd 0 nd 0 0 0 15,839 12.0
2013-02-14 0 5,280 2.09 0 nd 0 0 26,399 31,679 12.0
2013-02-08 0 10,560 nd 0 nd 0 0 0 0 11.0
2013-02-01 0 10,560 nd 0 nd 5280 0 0 10,560 11.5
2013-01-25 0 0 nd 0 nd 10560 0 0 0 12.0
2013-01-19 0 0 nd 0 nd 0 0 0 0 12.0
2013-01-11 0 0 nd 0 nd 0 0 0 0 12.0
2012-12-31 0 0 nd 0 nd 0 0 0 5,280 12.0
2012-12-14 0 0 nd 0 bd 0 0 0 0 12.0
2012-12-06 0 0 nd 0 bd 5280 0 26,399 0 15.0
2012-11-29 0 0 nd 0 bd 0 0 0 5,280 13.0
2012-11-16 0 0 nd 0 bd 10560 0 0 21,119 13.0
2012-11-02 0 0 nd 0 bd 0 0 0 5,280 15.0
2012-10-19 0 0 nd 0 4.42 0 0 31,679 390,705 17.0
2012-10-05 0 0 nd 5,280 bd 0 5,280 0 0 15.8
2012-09-20 0 0 nd 5,280 0.79 0 5,280 0 105,596 15.9
2012-09-07 0 0 nd 0 bd 0 0 0 79,197 nd
2012-08-24 0 0 nd 0 0.07 0 0 227,031 58,078 11.0
2012-08-13 0 0 nd 5,280 bd 0 0 89,757 0 15.9
2012-07-28 0 0 nd 5,280 bd 0 0 0 5,280 13.9
2012-07-11 0 5,280 nd 0 0.39 0 0 0 147,834 15.9
2012-06-29 0 0 nd 5,280 0.29 0 5,280 0 73,917 16.1
2012-06-14 0 0 nd 0 0.48 0 0 0 100,316 15.3
2012-06-04 nd nd nd nd bd nd nd nd nd 15.0
2012-05-17 0 0 nd 0 bd 0 0 0 26,399 15.2
2012-05-02 0 0 nd 0 bd 0 0 0 10,560 13.8
2012-04-18 0 0 nd 0 bd 0 0 0 0 13.8
2012-04-04 0 0 nd 0 bd 0 0 0 15,839 12.9
2012-03-21 0 0 nd 0 bd 0 0 0 47,518 12.2
2012-03-03 0 0 nd 0 bd 0 0 0 0 11.9
2012-02-15 0 0 nd 0 bd 0 0 0 0 12.3
2012-01-31 0 0 nd 0 bd 0 0 0 5,280 12.7
2012-01-18 0 0 nd 0 bd 0 0 0 10,560 13.7
2011-12-17 0 0 nd 5,280 bd 0 0 0 0 13.5
2011-12-03 0 0 1.54 0 bd 0 0 0 31,679 13.0
2011-11-17 0 13,040 6.32 0 0.37 0 0 0 448,563 14.0
2011-10-31 0 13,040 4.94 0 bd 0 5,216 10,432 717,180 15.0
2011-10-13 0 0 2.85 0 0.04 0 0 5,216 0 16.0
2011-09-27 0 0 3.31 0 bd 0 0 0 0 17.0
2011-09-14 nd nd 1.85 nd bd nd nd nd nd 18.0
2011-08-29 0 0 2.13 2,608 0.42 0 7,824 70,414 18,255 17.0
2011-08-12 0 0 14.26 0 0.21 0 0 117,357 86,062 17.0
2011-07-29 0 0 7.39 0 0.79 0 18,255 44,335 99,101 17.0
2011-07-15 0 0 3.19 0 0.05 0 0 46,943 7,824 17.0
2011-07-01 0 7,824 9.90 0 0.04 0 0 0 18,255 16.0
2011-06-24 0 0 0.96 0 bd 0 0 0 0 16.0
2011-06-10 0 0 8.43 0 bd 0 0 0 0 14.0
2011-06-03 0 0 21.25 0 bd 0 0 0 0 14.0
2011-05-20 0 0 0.72 0 bd 0 0 0 0 14.0
2011-05-05 0 0 3.36 0 bd 0 0 0 0 14.0
2011-04-28 0 0 12.65 0 bd 0 0 0 0 13.0
2011-04-21 0 0 16.62 0 0.07 0 0 15,839 36,959 14.0
2011-04-13 0 0 4.20 0 0.51 0 0 0 232,311 13.0
2011-04-05 0 0 1.63 0 bd 0 0 0 0 16.0
2011-03-29 nd nd 0.86 nd 0.23 nd nd nd nd 14.0
2011-03-23 0 0 6.33 0 4.38 0 0 0 0 10.5
2011-03-15 0 0 1.36 0 bd 0 0 0 0 12.0
2011-03-10 0 0 0.96 0 bd 0 0 0 0 13.0
2011-03-01 0 0 2.82 0 6.14 0 0 0 0 11.5
2011-02-22 0 0 0.51 0 NaN 0 0 0 10,432 12.2
2011-02-20 16,667 0 12.38 8,333 nd 0 494,444 0 0 16.0
2011-02-19 0 2,778 7.39 0 nd 0 11,111 50,000 11,111 17.9
2011-02-18 10,273 0 7.74 0 nd 0 102,728 118,138 200,321 15.5
2011-02-17 15,409 46,228 4.19 0 NaN 0 148,956 0 15,409 14.9
2011-02-15 0 0 3.91 0 2.39 0 0 5,216 114,749 13.0
2011-02-08 0 0 3.32 0 2.97 0 0 0 2,608 12.0
2011-02-01 0 0 NaN 0 4.94 0 0 5,216 15,648 NaN
2011-01-28 0 0 NaN 0 bd 0 0 20,863 41,727 16.7
2010-12-14 0 0 NaN 0 0.07 0 0 0 221,674 NaN
2010-12-08 0 0 NaN 0 bd 0 0 0 2,608 NaN
2010-12-01 0 0 1.33 0 0.05 0 0 0 23,471 NaN
2010-11-24 0 0 2.60 0 bd 0 0 5,216 0 NaN
2010-11-09 2,608 0 1.54 0 bd 0 0 13,040 0 NaN
2010-11-02 2,608 0 6.10 0 bd 0 2,608 10,432 18,255 NaN
2010-10-27 0 0 1.65 0 0.04 0 0 10,432 0 NaN
2010-10-19 13,040 0 5.02 0 bd 0 2,608 0 0 NaN
2010-10-13 0 0 4.18 0 0.44 0 0 0 46,943 NaN
2010-10-04 0 0 1.01 0 bd 0 0 0 18,255 NaN
2010-09-27 0 0 11.50 0 0.06 0 0 0 0 NaN
2010-09-20 0 0 1.45 2,608 0.04 0 0 0 0 NaN
2010-09-13 0 0 7.95 0 0.05 0 0 0 36,511 NaN
2010-09-06 0 0 18.28 0 bd 0 2,608 41,727 133,004 NaN
2010-08-31 0 0 2.72 0 bd 0 0 0 0 NaN
2010-08-23 0 0 6.82 0 bd 0 0 7,824 28,687 NaN
2010-08-09 0 0 8.69 26,079 0.09 2608 28,687 597,215 10,432 NaN
2010-08-03 0 0 9.97 0 0.10 0 5,216 169,515 15,648 NaN
2010-07-26 0 0 18.10 5,216 0.07 2608 7,824 122,573 101,709 NaN
2010-07-19 0 0 3.59 0 0.07 0 7,824 0 18,255 NaN
2010-07-13 0 0 8.56 2,608 bd 0 2,608 5,216 26,079 NaN
2010-07-05 0 0 3.17 0 bd 0 0 127,788 15,648 NaN
2010-06-28 0 0 9.27 0 0.06 0 0 62,590 13,040 NaN
2010-06-21 0 0 7.31 0 bd 0 0 23,471 39,119 NaN
2010-06-14 0 0 2.27 0 0.12 0 0 0 41,727 NaN
2010-06-07 0 0 2.92 0 0.12 0 0 0 46,943 NaN
2010-05-31 0 0 5.49 0 0.06 0 0 0 0 NaN
2010-05-24 0 0 1.41 0 bd 0 0 0 0 NaN
2010-05-17 0 0 5.25 0 0.05 0 0 0 0 NaN
2010-05-10 0 0 2.55 0 bd 0 0 9,128 0 NaN
2010-05-03 0 0 1.45 0 0.05 0 0 0 0 NaN
2010-04-26 0 1,304 2.60 0 bd 0 0 0 0 NaN
2010-04-19 0 0 1.44 0 bd 0 0 0 1,304 NaN
2010-04-12 0 0 1.19 0 bd 0 0 0 0  
2010-04-05 0 0 2.78 0 0.06 0 0 0 0 NaN
2010-03-29 0 1,304 1.08 0 0.06 0 0 0 0 NaN
2010-03-22 0 0 3.06 0 0.04 0 0 44,335 0 NaN
2010-03-15 0 1,304 0.41 0 0.08 0 0 0 0 NaN
2010-03-08 0 0 0.44 0 0.05 0 0 0 0 NaN
2010-03-01 0 1,304 1.31 0 bd 0 0 0 0 NaN
2010-02-22 0 0 0.99 0 bd 0 0 0 0 NaN
2010-02-15 0 0 0.43 0 0.11 0 0 0 0 NaN
2010-02-08 0 0 0.89 0 0.06 0 0 0 0 NaN
2010-02-01 0 0 0.43 0 bd 0 0 0 0 NaN
2010-01-25 0 0 0.35 0 bd 0 0 0 0 NaN
2010-01-19 0 1,304 2.45 0 bd 0 9,128 0 0 NaN
2010-01-11 0 0 6.26 2,608 bd 2608 18,255 0 0 NaN
2010-01-04 0 0 11.46 0 bd 2608 20,863 0 0 NaN
2009-12-28 0 0 3.45 0 bd 0 3,912 0 0 NaN
2009-12-21 0 0 2.67 0 bd 2608 2,608 0 10,432 NaN
2009-12-14 0 0 3.85 0 bd 0 10,432 0 0 NaN
2009-12-07 0 0 24.70 2,608 0.17 0 44,335 0 0 NaN
2009-11-30 0 2,608 4.84 0 bd 7824 23,471 0 0 NaN
2009-11-23 0 2,608 2.84 0 bd 5216 20,863 0 0 NaN
2009-11-16 0 0 33.68 0 0.07 13040 1,304 0 0 NaN
2009-11-09 0 0 20.40 0 bd 91277 18,255 0 0 NaN
2009-11-02 0 0 14.97 0 0.05 13040 26,079 0 31,295  
2009-10-26 0 0 2.62 0 nd 1304 5,216 2,608 0 NaN
2009-10-19 0 0 2.52 0 nd 11736 3,912 0 0 NaN
2009-10-12 0 33,903 7.67 0 nd 0 7,824 0 18,255 14.2
2009-10-05 0 1,304 0.90 0 0.07 0 1,304 0 9,128 NaN
2009-10-01 0 0 NaN 0 NaN 0 1,304 0 0 NaN
2009-09-28 0 5,216 18.45 0 nd 0 2,608 0 0 NaN
2009-09-24 0 1,304 NaN 0 NaN 0 2,608 0 0 NaN
2009-09-21 0 1,304 2.96 1,304 nd 0 0 2,608 0 NaN
2009-09-17 0 0 NaN 0 NaN 0 3,912 0 11,736 NaN
2009-09-14 0 2,608 1.56 0 nd 0 0 0 0 NaN
2009-09-10 0 0 NaN 5,216 NaN 2608 0 0 13,040 14.7
2009-09-07 0 0 4.38 0 0.46 0 0 23,471 26,079 15.0
2009-09-03 0 0 NaN 2,608 NaN 0 5,216 443,347 0 16.1
2009-08-31 0 0 2.79 0 2.55 0 0 464,211 0 15.5
2009-08-27 0 0 NaN 0 NaN 0 0 521,585 10,432 14.3
2009-08-24 0 0 1.45 0 1.60 0 0 224,282 39,119 13.7
2009-08-20 0 0 NaN 0 NaN 0 0 93,885 2,608 14.4
2009-08-17 0 0 4.00 0 0.16 0 0 375,541 18,255 14.3
2009-08-13 0 0 NaN 0 NaN 0 0 13,040 0 14.1
2009-08-10 0 0 3.17 0 nd 0 0 0 0 14.5
2009-08-06 0 2,608 NaN 0 NaN 0 18,255 0 10,432 14.6
2009-08-03 0 5,216 10.64 0 nd 0 2,608 0 26,079 14.7
2009-07-30 0 0 NaN 0 NaN 0 0 0 0 13.1
2009-07-27 0 0 3.94 0 nd 0 28,687 0 3,912 14.0
2009-07-23 0 0 NaN 0 NaN 0 0 0 0 14.6
2009-07-20 0 2,608 2.82 0 bd 0 0 10,432 0 15.3
2009-07-16 0 28,687 NaN 0 NaN 0 5,216 0 0 15.1
2009-07-13 0 5,216 12.76 0 bd 0 10,432 0 0 15.6
2009-07-09 0 15,648 NaN 0 NaN 0 2,608 0 0 14.2
2009-07-06 0 10,432 2.83 5,216 nd 0 13,040 0 0 13.9
2009-07-02 0 7,824 NaN 0 NaN 0 0 0 0 15.4
2009-06-29 0 2,608 1.88 0 nd 0 0 0 0 15.3
2009-06-25 0 0 NaN 0 NaN 0 0 23,471 0 13.3
2009-06-22 0 0 5.65 0 nd 0 0 18,255 0 12.6
2009-06-18 0 0 NaN 0 NaN 0 0 86,062 0 13.7
2009-06-15 0 0 18.84 2,608 nd 0 5,216 10,432 0 14.0
2009-06-11 0 0 NaN 0 NaN 0 0 18,255 0 13.5
2009-06-08 0 2,608 7.05 0 0.16 0 7,824 0 0 16.2
2009-06-04 0 0 NaN 2,608 NaN 0 0 0 0 15.5
2009-06-01 0 0 1.59 0 nd 0 0 0 0 12.9
2009-05-28 0 0 NaN 0 NaN 0 0 0 0 13.5
2009-05-25 0 0 2.73 0 0.26 0 0 0 0 NaN
2009-05-21 0 0 NaN 0 NaN 0 0 0 31,295 14.0
2009-05-18 0 0 6.53 0 0.30 0 0 10,432 0 11.3
2009-05-14 0 0 NaN 0 NaN 0 0 0 2,608 11.0
2009-05-11 0 0 5.33 0 nd 0 0 0 0 12.4
2009-05-07 0 0 NaN 0 NaN 0 0 18,255 0 11.3
2009-05-04 0 0 4.75 0 0.12 0 0 0 10,432 10.9
2009-04-30 0 0 NaN 0 NaN 0 0 0 6,520 10.5
2009-04-27 0 0 5.58 0 0.09 0 0 0 0 10.7
2009-04-23 0 0 NaN 0 NaN 0 0 0 0 13.2
2009-04-20 0 0 3.51 0 nd 0 0 0 0 12.7
2009-04-16 0 0 NaN 0 NaN 0 0 0 0 10.5
2009-04-13 0 0 1.20 0 0.21 0 0 0 0 12.7
2009-04-09 0 0 NaN 0 NaN 0 0 0 0 12.8
2009-04-06 0 0 14.15 0 0.08 0 0 0 0 11.0
2009-04-02 0 0 NaN 0 NaN 0 0 0 0 11.4
2009-03-30 0 2,608 12.27 0 nd 0 0 0 0 11.7
2009-03-26 0 0 NaN 0 NaN 0 0 0 0 10.7
2009-03-23 0 0 3.82 0 nd 0 0 0 0 11.0
2009-03-19 0 0 NaN 0 NaN 0 0 0 0 11.3
2009-03-16 0 0 15.48 0 0.04 0 0 0 0 11.1
2009-03-12 0 0 NaN 0 NaN 0 0 0 0 11.6
2009-03-09 0 0 0.41 0 nd 0 0 0 0 12.6
2009-03-05 0 0 NaN 0 NaN 0 0 0 0 13.0
2009-03-02 0 0 5.93 0 0.04 0 0 0 0 12.8
2009-02-26 0 0 NaN 0 NaN 0 0 0 0 12.5
2009-02-23 0 0 2.02 0 nd 0 11,736 0 0 12.5
2009-02-19 0 0 NaN 0 NaN 0 0 0 0 13.0
2009-02-16 0 0 1.03 0 nd 0 0 0 0 12.2
2009-02-12 0 3,912 NaN 0 NaN 0 0 0 0 12.5
2009-02-09 0 0 0.88 0 nd 0 0 0 0 12.8
2009-02-05 0 0 NaN 0 NaN 0 8,333 0 0 12.5
2009-02-02 0 0 3.38 0 nd 0 213,889 0 0 12.4
2009-01-29 0 0 NaN 0 NaN 0 0 0 0 12.4
2009-01-26 0 0 0.53 0 nd 0 1,389 0 0 12.8
2009-01-22 0 0 NaN 0 NaN 0 1,389 0 0 12.8
2009-01-19 0 2,778 1.83 0 0.01 0 1,389 0 0 12.1
2009-01-15 0 0 NaN 0 NaN 0 0 0 0 11.7
2009-01-12 0 0 0.99 0 nd 0 0 0 0 11.6
2009-01-08 0 0 NaN 0 NaN 0 0 0 0 11.5
2009-01-05 0 0 1.94 0 nd 0 0 0 0 11.6
2008-12-22 0 0 2.01 0 nd 0 9,722 0 0 12.3
2008-12-18 0 0 NaN 0 NaN 0 0 0 0 12.6
2008-12-15 0 0 2.05 0 nd 0 5,556 0 0 13.2
2008-12-11 0 0 NaN 0 NaN 0 5,556 0 0 13.6
2008-12-08 5,556 0 3.54 0 nd 0 8,333 0 2,778 13.9
2008-12-04 0 0 NaN 0 NaN 0 2,778 0 0 14.1
2008-12-01 0 11,111 10.86 2,778 nd 0 2,778 2,778 0 13.9
2008-11-24 0 2,778 2.81 5,556 nd 0 13,889 0 0 13.4
2008-11-20 0 0 NaN 2,778 NaN 0 5,556 0 0 13.5
2008-11-17 0 0 2.69 0 nd 0 0 0 0 12.9
2008-11-13 0 0 NaN 0 NaN 0 0 0 0 12.5
2008-11-10 0 2,778 2.04 0 nd 0 0 0 2,778 13.7
2008-11-06 2,778 2,778 NaN 0 NaN 0 22,222 0 0 14.9
2008-11-03 5,556 0 16.73 8,333 0.05 0 25,000 0 0 14.3
2008-10-30 5,556 0 NaN 2,778 NaN 0 19,444 0 0 14.3
2008-10-27 0 8,333 16.59 5,556 nd 0 11,111 0 0 13.9
2008-10-23 0 11,111 NaN 2,778 NaN 0 5,556 0 2,778 13.6
2008-10-20 16,667 0 67.21 2,778 nd 0 63,889 0 0 13.6
2008-10-16 0 694 NaN 2,778 NaN 0 6,944 0 0 13.6
2008-10-13 0 0 1.40 0 nd 0 5,556 0 0 12.3
2008-10-09 2,778 0 NaN 0 NaN 0 2,778 0 0 14.2
2008-10-06 2,778 0 10.01 5,556 nd 0 63,889 0 0 14.3
2008-10-02 0 0 NaN 2,778 NaN 0 13,889 0 0 16.0
2008-09-29 0 0 25.00 0 nd 0 27,778 0 0 15.3
2008-09-22 5,556 0 28.83 2,778 nd 0 11,111 27,778 8,333 14.1
2008-09-16 22,222 16,667 NaN 19,444 nd 0 36,111 0 0 15.5
2008-09-08 5,556 13,889 24.21 19,444 bd 0 380,556 22,222 5,556 16.3
2008-09-02 16,667 0 12.38 8,333 bd 0 494,444 0 0 16.0
2008-08-26 0 2,778 7.39 0 bd 0 11,111 50,000 11,111 17.8
2008-08-19 10,273 0 7.74 0 bd 0 102,728 118,138 200,321 15.5
2008-08-15 15,409 46,228 4.19 0 bd 0 148,956 0 15,409 14.9
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