Data Tables for 1995-1996 Water Quality Report

Physical
Temperature, Salinity, Dissolved Oxygen, Turbidity		 Chemical
Nitrate+Nitrite, Ammonium, Nitrogen, Orthophosphate, Phosphorus		 Biological
Biochemical Oxygen Demand, Chlorophyll a
Mean values of selected parameters for February 1996 - May 1996

**Any tables or figures not included on this site are available in hard copy from the Center for Marine Science at the University of North Carolina at Wilmington**

Table 2.1 - Suface Water Temperature (degrees Celcius) for June 1995 - May 1996.

DEM # 59 61 71 72 73 75 86 87 88 89 90 91 84 85 70
month NC11 AC BBT IC NAV HB BRR M61 M54 M42 M35 M23 M18 NCF117 NCF6 B210
Jun 25.6 26.2 25.7 26.7 25.7 25.8 25.8 26.5 26.6 26.0 25.8 26.4 25.8 25.6 26.8 N/A
Jul 25.0 25.1 25.0 25.1 22.1 25.2 25.5 25.3 26.1 26.3 26.8 26.8 27.5 25.0 26.7 N/A
Aug 29.8 30.0 29.1 29.9 29.0 29.0 28.4 29.3 28.8 28.2 27.8 27.8 27.4 29.5 30.1 N/A
Sep 26.5 26.6 26.2 26.2 27.0 27.0 27.0 27.0 27.0 N/A 27.0 26.5 27.0 25.5 26.2 N/A
Oct 21.3 21.2 21.2 21.1 22.0 22.4 22.1 22.8 23.0 23.4 23.9 24.0 23.8 22.4 22.7 N/A
Nov 15.2 15.7 15.7 15.2 15.6 15.7 15.6 16.1 16.0 15.3 16.3 16.8 16.5 15.3 16.3 N/A
Dec 10.3 10.0 10.2 10.2 9.9 10.2 10.5 10.8 11.9 12.0 12.5 13.4 14.0 10.6 11.0 N/A
Jan 4.2 4.2 4.3 4.2 4.2 4.6 4.8 5.5 6.0 6.2 6.8 6.8 7.0 4.5 5.9 N/A
Feb 7.0 7.0 6.8 6.7 6.5 6.8 6.8 6.7 7.3 7.3 7.7 8.4 8.2 8.5 7.3 8.0
Mar 11.7 12.1 11.8 11.8 11.6 11.7 11.8 12.0 11.8 11.3 11.2 11.0 10.8 14.0 11.9 11.0
Apr 13.8 13.8 13.4 13.8 14.3 14.1 14.2 14.2 14.5 14.5 14.2 13.2 12.8 14.5 14.5 13.0
May 19.6 19.7 20.5 20.7 21.1 21.3 21.5 21.1 22.0 22.0 22.2 22.3 21.1 22.5 21.8 19.2
mean 17.5 17.6 17.5 17.6 17.4 17.8 17.8 18.1 18.4 17.5 18.5 18.6 18.5 18.2 18.4 12.8
std dev 8.0 8.1 7.9 8.1 7.9 8.0 7.9 7.9 7.8 7.6 7.6 7.5 7.5 7.6 8.0 4.1
max 29.8 30.0 29.1 29.9 29.0 29.0 28.4 29.3 28.8 28.2 27.8 27.8 27.5 29.5 30.1 19.2
min 4.2 4.2 4.3 4.2 4.2 4.6 4.8 5.5 6.0 6.2 6.8 6.8 7.0 4.5 5.9 8.0 
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Table 2.2 - Surface Salinity (ppt) for June 1995 - May 1996.

DEM # 72 73 75 86 87 88 89 90 91 85
month NAV HB BRR M61 M54 M42 M35 M23 M18 NCF6
Jun 0.3 1.9 4.3 9.6 15.0 19.5 23.3 25.8 30.0 4.7
Jul 0.0 0.0 0.0 0.0 0.0 0.0 0.7 4.6 13.5 0.0
Aug 0.2 3.5 3.4 7.7 10.5 15.8 21.0 24.6 29.1 0.1
Sep 0.0 0.0 0.0 0.0 2.0 5.0 14.0 21.0 25.0 0.0
Oct 0.0 0.0 0.0 0.2 0.8 5.7 12.5 17.5 30.0 0.1
Nov 0.0 0.0 0.0 0.0 0.9 1.3 7.3 14.1 19.5 0.0
Dec 0.0 0.0 0.3 1.7 4.7 5.8 10.1 19.1 23.8 0.0
Jan 1.5 1.5 3.0 3.5 7.5 8.5 14.5 20.5 25.0 4.0
Feb 0.0 0.0 0.0 0.0 1.9 3.1 8.3 16.6 22.0 0.0
Mar 0.0 0.0 0.2 3.8 6.3 6.6 9.3 19.3 22.0 0.0
Apr 0.0 0.0 0.0 0.4 1.4 3.0 7.7 21.2 27.0 0.0
May 0.0 0.0 0.2 3.1 4.7 6.1 9.2 17.4 20.8 0.0
mean 0.2 0.6 1.0 2.5 4.6 6.7 11.5 18.5 24.0 0.7
std dev 0.4 1.1 1.5 3.1 4.4 5.4 5.9 5.2 4.6 1.6
max 1.5 3.5 4.3 9.6 15.0 19.5 23.3 25.8 30.0 4.7
min 0.0 0.0 0.0 0.0 0.0 0.0 0.7 4.6 13.5 0.0 
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Table 2.3 - Surface Dissolved Oxygen (mg/L) for June 1995 - May 1996.

DEM # 59 61 71 72 73 75 86 87 88 89 90 91 84 85 70
month NC11 AC BBT IC NAV HB BRR M61 M54 M42 M35 M23 M18 NCF117 NCF6 B210
Jun 5.1 5.2 4.8 4.6 8.1 8.7 8.7 9.0 8.1 7.8 8.2 8.4 8.6 5.1 5.7 N/A
Jul 4.2 4.2 3.4 3.7 3.7 3.8 3.8 3.5 3.4 3.7 3.8 3.8 4.5 1.9 2.8 N/A
Aug 5.3 5.7 3.0 3.6 2.8 3.8 4.0 4.1 4.9 5.8 6.0 5.7 5.4 3.1 3.4 3.2
Sep 6.3 6.0 4.9 4.9 4.2 3.9 3.6 3.6 3.6 3.8 4.4 4.5 4.6 3.1 3.6 N/A
Oct 4.7 4.6 3.2 3.8 3.9 4.3 4.4 4.7 5.1 5.5 6.0 6.4 6.7 2.8 3.9 N/A
Nov 6.9 6.8 6.7 6.1 6.0 6.3 5.9 5.6 6.0 6.4 6.6 6.6 6.7 4.3 4.7 N/A
Dec 9.6 9.3 8.4 8.6 8.3 8.0 6.7 8.0 8.2 8.3 8.3 8.0 8.0 7.0 7.6 N/A
Jan 12.7 12.4 11.6 11.9 10.5 11.1 10.0 10.6 10.1 9.8 9.4 10.4 11.0 11.2 10.5 N/A
Feb 11.2 10.9 10.7 10.7 10.1 10.4 10.3 10.0 10.1 10.1 10.2 10.7 11.0 10.0 10.3 11.0
Mar 10.0 7.8 7.3 7.4 8.8 8.9 8.7 8.8 9.0 9.6 9.9 10.5 10.6 N/A 7.2 N/A
Apr 11.5 11.0 9.6 10.3 10.3 9.8 9.9 9.7 10.2 10.3 10.8 10.7 10.8 7.3 8.7 8.6
May 8.4 8.3 6.8 7.0 6.7 6.7 6.7 7.2 8.1 8.4 8.6 9.2 8.9 5.9 6.6 6.4
mean 8.0 7.7 6.7 6.9 7.0 7.1 6.9 7.1 7.2 7.5 7.7 7.9 8.1 5.6 6.3 7.3
std dev 2.8 2.6 2.8 2.8 2.7 2.6 2.5 2.5 2.4 2.3 2.2 2.4 2.4 2.9 2.6 2.9
max 12.7 12.4 11.6 11.9 10.5 11.1 10.3 10.6 10.2 10.3 10.8 10.7 11.0 11.2 10.5 11.0
min 4.2 4.2 3.0 3.6 2.8 3.8 3.6 3.5 3.4 3.7 3.8 3.8 4.5 1.9 2.8 3.2 
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Table 2.4 - Surface Turbidity (NTU) for June 1995 - May 1996

DEM # 59 61 71 72 73 75 86 87 88 89 90 91 84 85 70
month NC11 AC BBT IC NAV HB BRR M61 M54 M42 M35 M23 M18 NCF117 NCF6 B210
Jun 19.2 14.2 15.8 17.0 81.0 17.5 18.4 24.4 15.2 14.5 14.3 11.2 16.9 11.0 15.8 N/A
Jul 37.0 37.0 16.0 21.0 30.0 30.0 26.0 27.0 32.0 35.0 28.0 21.0 29.0 6.0 7.0 N/A
Aug 16.0 19.0 14.5 14.0 40.8 16.7 17.3 10.7 15.2 13.0 19.4 11.0 24.4 11.0 44.1 5.0
Sep 22.0 22.5 19.5 22.0 24.0 17.0 15.1 11.6 11.4 10.2 9.1 10.4 11.2 2.5 9.5 N/A
Oct 52.0 52.0 22.0 30.0 83.0 69.0 46.0 38.0 53.0 18.0 8.5 16.0 33.0 1.5 12.5 N/A
Nov 50.0 50.0 24.0 30.0 47.0 43.0 39.0 28.5 39.0 36.5 13.0 21.0 11.5 3.0 6.0 N/A
Dec 10.0 13.0 8.0 15.0 15.5 15.5 9.0 9.5 23.5 16.0 38.0 11.0 13.5 3.0 13.0 N/A
Jan 9.5 11.0 5.5 8.5 9.5 9.5 9.0 9.0 8.0 6.5 6.0 4.0 5.0 4.0 4.0 N/A
Feb 25.0 26.0 18.0 22.0 24.0 27.0 30.0 73.0 100.0 67.0 25.0 27.5 21.0 4.0 17.0 2.2
Mar 17.5 19.0 11.5 15.5 17.0 22.0 18.0 21.0 49.0 38.0 25.0 33.0 20.0 3.0 13.5 2.5
Apr 25.5 26.0 8.5 20.0 20.0 19.5 25.0 48.0 44.0 36.0 23.0 32.0 25.5 3.2 10.0 2.7
May 73.0 77.0 27.0 31.0 31.0 24.0 24.0 20.0 28.0 21.0 15.5 32.5 21.0 3.0 29.0 5.5
mean 29.7 30.6 15.9 20.5 35.2 25.9 23.1 26.7 34.9 26.0 18.7 19.2 19.3 4.6 15.1 3.6
std dev 18.7 19.1 6.4 6.8 23.2 15.4 10.7 18.0 24.3 16.4 9.0 9.7 7.8 3.0 10.7 1.4
max 73.0 77.0 27.0 31.0 83.0 69.0 46.0 73.0 100.0 67.0 38.0 33.0 33.0 11.0 44.1 5.5
min 9.5 11.0 5.5 8.5 9.5 9.5 9.0 9.0 8.0 6.5 6.0 4.0 5.0 1.5 4.0 2.2 
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Table 2.5 - Surface Nitrate + Nitrite (ug/L) for June 1995 - May 1996.

DEM # 59 61 71 72 73 75 86 87 88 89 90 91 84 85 70
month NC11 AC BBT IC NAV HB BRR M61 M54 M42 M35 M23 M18 NCF117 NCF6 B210
Jun 1369 1303 1063 1093 1051 N/A 908 718 508 311 195 70 1 346 474 N/A
Jul 308 145 222 246 253 225 253 260 266 261 262 230 176 309 114 N/A
Aug 597 554 246 517 486 373 376 345 305 209 126 65 20 332 302 246
Sep 587 571 484 511 706 770 679 451 483 485 385 376 171 48 100 N/A
Oct 473 473 264 398 467 482 502 472 633 604 551 403 98 114 195 N/A
Nov 352 420 394 323 429 458 429 386 416 396 338 240 175 297 107 136
Dec 616 619 537 619 548 551 524 449 401 371 320 184 120 310 262 231
Jan 890 854 564 745 754 739 715 591 597 565 522 300 297 511 360 476
Feb 620 630 lost 640 540 530 600 670 620 670 610 380 200 720 720 460
Mar 670 660 lost 510 520 500 510 490 520 450 430 260 210 280 430 250
Apr 610 520 311 520 290 200 310 230 200 200 170 110 60 250 390 200
May 670 720 564 590 500 410 340 390 340 420 310 200 150 330 290 240
mean 647 622 465 559 545 476 512 454 441 412 352 235 140 321 312 280
std dev 262 264 236 208 204 170 182 143 137 146 148 112 81 164 173 114
max 1369 1303 1063 1093 1051 770 908 718 633 670 610 403 297 720 720 476
min 308 145 222 246 253 200 253 230 200 200 126 65 1 48 100 136 
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Table 2.6 - Surface Ammonium (ug/L) for June 1995 - May 1996.

DEM # 59 61 71 72 73 75 86 87 88 89 90 91 84 85 70
month NC11 AC BBT IC NAV HB BRR M61 M54 M42 M35 M23 M18 NCF117 NCF6 B210
Jun 45 38 52 60 57 43 52 69 50 20 21 11 8 11 34 N/A
Jul