Armstrong Lake
| Type | Lake Monitoring |
|---|---|
| Purpose | Regional |
345 sampling events recorded.
| Parameter | Period | Records | Charts | Min | Median | Mean | Max | Std.Dev. | Pct-10th | Pct-25th | Pct-75th | Pct-90th |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Air Temperature (F (range)) | 2012-04-22 to 2023-10-10 |
68 | ||||||||||
| Aquatic Plants | 2012-04-22 to 2023-10-10 |
67 | ||||||||||
| Chloride (mg/l) | 2002-05-01 to 2023-10-10 |
150 | 17.0 | 99.45 | 104.2 | 246.0 | 45.9 | 43.0 | 72.0 | 133.8 | 166.9 | |
| Chlorophyll-a, Pheo-Corrected (%) | 2012-04-22 to 2012-06-17 |
3 | 58.0 | 61.0 | 61.33 | 65.0 | 2.867 | 58.6 | 59.5 | 63.0 | 64.2 | |
| Chlorophyll-a, Pheo-Corrected (µg/L) | 2001-08-07 to 2023-10-10 |
178 | 1.0 | 6.2 | 10.13 | 100.0 | 12.72 | 2.3 | 3.825 | 11.0 | 18.3 | |
| Chlorophyll-a/Pheophytin-a Abs. Ratio | 2012-04-22 to 2012-06-17 |
3 | 1.16 | 1.25 | 1.223 | 1.26 | 0.045 | 1.178 | 1.205 | 1.255 | 1.258 | |
| Chlorophyll a, uncorrected for pheophytin (µg/L) | 1998-04-19 to 2023-10-10 |
225 | 1.3 | 10.0 | 19.63 | 827.0 | 57.84 | 3.54 | 5.6 | 18.0 | 31.6 | |
| Chlorophyll-b (µg/L) | 2012-04-22 to 2012-06-17 |
3 | 1.0 | 1.1 | 1.5 | 2.4 | 0.6377 | 1.02 | 1.05 | 1.75 | 2.14 | |
| Chlorophyll-c (µg/L) | 2012-04-22 to 2012-06-17 |
3 | 1.4 | 1.7 | 2.233 | 3.6 | 0.9741 | 1.46 | 1.55 | 2.65 | 3.22 | |
| Cloud Cover (%) | 2004-04-19 to 2023-10-10 |
144 | ||||||||||
| Dissolved Oxygen (mg/L) | 2000-04-18 to 2023-10-10 |
125 | 0.19 | 7.13 | 6.635 | 16.89 | 3.433 | 1.4 | 4.5 | 8.74 | 10.28 | |
| DNR Number | 1998-04-19 to 2023-10-10 |
229 | ||||||||||
| Kjeldahl nitrogen (mg/l) | 1998-04-19 to 2023-05-23 |
222 | 0.43 | 0.94 | 1.075 | 6.5 | 0.5967 | 0.622 | 0.77 | 1.2 | 1.6 | |
| Lake Acronym | 2013-05-05 to 2017-09-27 |
30 | ||||||||||
| Lake Gauge (m) | 2012-04-22 to 2023-10-10 |
67 | 1.0 | 2.64 | 2.542 | 3.71 | 0.623 | 1.728 | 2.09 | 3.06 | 3.216 | |
| Lake Level | 2012-04-22 to 2023-10-10 |
69 | ||||||||||
| Lake Site | 2013-05-05 to 2017-09-27 |
30 | ||||||||||
| Notes | 2013-05-05 to 2023-10-10 |
54 | ||||||||||
| pH | 2014-06-20 to 2023-10-10 |
50 | 6.47 | 7.49 | 7.616 | 9.8 | 0.6117 | 7.0 | 7.2 | 7.878 | 8.31 | |
| Pheophytin-a (µg/L) | 2012-04-22 to 2012-06-17 |
3 | 1.0 | 1.0 | 1.733 | 3.2 | 1.037 | 1.0 | 1.0 | 2.1 | 2.76 | |
| Phosphorus as P (mg/l) | 1998-04-19 to 2023-10-10 |
224 | 0.017 | 0.06 | 0.0711 | 0.87 | 0.0672 | 0.03 | 0.0408 | 0.0862 | 0.1114 | |
| Physical Condition | 1998-04-19 to 2023-10-10 |
214 | ||||||||||
| Physical Condition Description | 2012-04-22 to 2014-10-09 |
14 | ||||||||||
| Project Number | 2013-05-05 to 2023-10-10 |
62 | ||||||||||
| Recreation Suitability | 1998-04-19 to 2023-10-10 |
152 | ||||||||||
| Recreation Suitability Description | 2014-05-21 to 2017-09-27 |
16 | ||||||||||
| Secchi Depth (m) | 1998-04-19 to 2023-10-10 |
228 | 0.08 | 0.91 | 0.8781 | 1.5 | 0.287 | 0.4572 | 0.7 | 1.07 | 1.219 | |
| Water Color | 2012-04-22 to 2023-10-10 |
68 | ||||||||||
| Water Odor | 2012-04-22 to 2023-10-10 |
68 | ||||||||||
| Water Surface | 2012-04-22 to 2023-10-10 |
67 | ||||||||||
| Water Temperature (C) | 1998-04-19 to 2023-10-10 |
223 | 2.8 | 21.0 | 19.5 | 30.8 | 5.61 | 11.48 | 15.15 | 23.65 | 26.2 | |
| Wind | 2012-05-20 to 2023-10-10 |
60 |