Table 3. Summary
statistics by month for water temperature, specific conductance, pH, and dissolved
oxygen at Comal River at New Braunfels, Texas (08169000)
[°C, degrees Celsius; µS/cm, microsiemens per centimeter at 25 degrees
Celsius; mg/L, milligrams per liter; --, monitor not in operation or probe malfunction
during month]
Date
|
Temperature
(°C) |
Specific
conductance (µS/cm) |
pH
(standard units) |
Dissolved
oxygen (mg/L) |
|||||||||||
Mini- mum |
Maxi- mum |
Mean |
Mini- mum |
Maxi- mum |
Mean |
Mini- mum |
Maxi- mum |
Mean |
Mini- mum |
Maxi- mum |
Mean |
||||
| Mar. 1996 | 20.3 |
24.8 |
22.5 |
501 |
537 |
521 |
-- |
-- |
-- |
8.1 |
10.4 |
8.9 |
|||
| Apr. 1996 | 20.6 |
25.6 |
23.3 |
431 |
548 |
514 |
-- |
-- |
-- |
8.2 |
10.2 |
9.1 |
|||
| May 1996 | 22.2 |
26.2 |
24.3 |
468 |
541 |
518 |
-- |
-- |
-- |
7.8 |
9.9 |
8.8 |
|||
| June 1996 | 23.0 |
26.8 |
25.2 |
486 |
544 |
517 |
7.4 |
7.8 |
7.6 |
6.8 |
9.8 |
8.3 |
|||
| July 1996 | 24.3 |
26.5 |
25.7 |
426 |
596 |
520 |
6.7 |
7.7 |
7.5 |
5.7 |
10.1 |
7.3 |
|||
| Aug. 1996 | 23.6 |
26.6 |
25.2 |
332 |
599 |
516 |
7.4 |
7.8 |
7.6 |
6.4 |
11.8 |
8.5 |
|||
| Sept. 1996 | 21.6 |
25.8 |
24.3 |
249 |
569 |
517 |
7.4 |
7.9 |
7.7 |
6.5 |
11.0 |
8.6 |
|||
| Oct. 1996 | 21.0 |
24.9 |
23.3 |
486 |
594 |
543 |
7.4 |
7.8 |
7.6 |
8.0 |
10.6 |
9.0 |
|||
| Nov. 1996 | 19.5 |
24.2 |
22.3 |
426 |
610 |
537 |
7.5 |
7.9 |
7.7 |
-- |
-- |
-- |
|||
| Dec. 1996 | 19.0 |
23.6 |
21.9 |
432 |
650 |
542 |
7.5 |
8.0 |
7.8 |
-- |
-- |
-- |
|||
| Jan. 1997 | 19.2 |
24.0 |
21.5 |
493 |
611 |
539 |
7.6 |
8.1 |
7.8 |
-- |
-- |
-- |
|||
| Feb. 1997 | 19.7 |
24.0 |
21.8 |
458 |
587 |
534 |
7.4 |
7.8 |
7.6 |
-- |
-- |
-- |
|||
| Mar. 1997 | 21.1 |
25.1 |
22.9 |
507 |
571 |
537 |
7.3 |
7.7 |
7.4 |
8.0 |
10.1 |
8.8 |
|||
| Apr. 1997 | 20.2 |
25.2 |
22.9 |
370 |
587 |
528 |
7.2 |
7.5 |
7.3 |
7.9 |
9.9 |
8.8 |
|||
| May 1997 | 22.5 |
25.4 |
23.8 |
459 |
570 |
536 |
7.3 |
7.6 |
7.4 |
8.3 |
10.0 |
9.0 |
|||
| June 1997 | 22.1 |
25.8 |
24.2 |
224 |
585 |
514 |
7.3 |
7.6 |
7.4 |
7.4 |
10.1 |
9.1 |
|||
| July 1997 | 23.5 |
25.6 |
24.4 |
492 |
552 |
542 |
7.3 |
7.6 |
7.4 |
8.2 |
10.9 |
9.5 |
|||
| Aug. 1997 | 23.4 |
25.7 |
24.3 |
497 |
553 |
533 |
7.3 |
7.6 |
7.5 |
7.3 |
10.6 |
8.9 |
|||
| Sept. 1997 | 22.9 |
25.5 |
24.1 |
468 |
554 |
537 |
7.3 |
7.6 |
7.4 |
7.3 |
9.9 |
8.7 |
|||
| Oct. 1997 | 21.9 |
25.0 |
23.4 |
462 |
577 |
536 |
7.0 |
7.5 |
7.3 |
7.7 |
9.6 |
8.6 |
|||
| Nov. 1997 | 21.0 |
23.8 |
22.6 |
412 |
552 |
523 |
7.2 |
7.7 |
7.4 |
7.8 |
9.9 |
8.8 |
|||
| Dec. 1997 | 20.9 |
23.5 |
22.1 |
411 |
553 |
530 |
7.2 |
7.5 |
7.3 |
8.5 |
10.9 |
9.8 |
|||
| Jan. 1998 | 19.4 |
23.7 |
22.5 |
466 |
551 |
529 |
7.1 |
7.5 |
7.3 |
-- |
-- |
-- |
|||
| Feb. 1998 | 20.4 |
24.1 |
22.6 |
464 |
559 |
531 |
7.1 |
7.4 |
7.2 |
-- |
-- |
-- |
|||
| Mar. 1998 | 18.7 |
24.7 |
22.8 |
389 |
564 |
527 |
7.1 |
7.6 |
7.3 |
-- |
-- |
-- |
|||
| Apr. 1998 | 22.3 |
25.0 |
23.4 |
526 |
551 |
537 |
7.0 |
7.8 |
7.3 |
-- |
-- |
-- |
|||
| May 1998 | 22.8 |
25.9 |
24.0 |
530 |
546 |
538 |
7.5 |
7.8 |
7.6 |
8.1 |
10.4 |
9.1 |
|||
| June 1998 | 22.8 |
26.4 |
24.6 |
445 |
553 |
541 |
7.4 |
7.9 |
7.6 |
7.4 |
9.7 |
8.5 |
|||
| July 1998 | 23.6 |
26.4 |
24.9 |
233 |
551 |
538 |
7.2 |
7.7 |
7.5 |
7.2 |
9.7 |
8.3 |
|||
| Aug. 1998 | 23.4 |
26.4 |
24.6 |
327 |
566 |
533 |
7.1 |
7.6 |
7.3 |
-- |
-- |
-- |
|||
| Sept. 1998 | 23.3 |
25.4 |
24.1 |
394 |
551 |
532 |
7.1 |
7.6 |
7.3 |
-- |
-- |
-- |
|||