2.45

04-19-2024

Surface water temperature 49F.

2.50

04-09-2024

2.56

04-05-2024

Surface water continues to spill over the dam which is at approximate elevation of 2.4ft.

2.46

03-11-2024

Measurement follows an extended period of rain. The lake is draining over the dam which is at a level of 2.40 ft.

2.38

03-03-2024

Lake surface level is just beginning to spill over the weir. Water temperature on 24 Feb was 50.5F

2.17

02-24-2024

Temperature data is unavailable.

1.98

02-05-2024

Measurement follows a few days without rain. Freezing temp at night, 40F during the day. The lake surface temperature is 50F. The snow level at Mt Rainier is now 7,000 ft. At Paradise (5400ft) th snow was obviously melting, filling Alder Lake to capacity.

1.93

01-29-2024

Record-breaking high winter temperatures (61F) have caused local flooding as mountain snow melts into the rivers. The freeze level is 7500ft at Mt Ra

1.89

01-28-2024

Measurement follows several days of periodic rain showers. Lake surface temp = 45F. Weather is unseasonably warm achieving 60F.

1.73

01-22-2024

Measurement follows several days of significant precipitation. Mountains have received increases in snow pack. Surface temperature since the last report is 43F. The ice on the lake has thawed.

1.56

01-15-2024

Measurement taken following 4 days of subfreezing cold, 12-30F. Both lakes surfaces are frozen. Very little precipitation since last measurement.

1.54

01-11-2024

Measurement follows periods of heavy precipitation. Air temperature 37 -40F.

1.31

01-02-2024

Measurement follows several days of no precipitation. Air temperature has been between 30 - 50F.

1.30

12-26-2023

Measurement follows period of moderate rain. Surface Temperature 40F. Night air temperatures below freezing. Daytime highs reach 50F.

1.27

12-21-2023

Measurement follows period of very light rain, heavy fog. Surface temperature 42F. Slight amount green algae scum on surface of water on small lake, along littorals. Air temp 40-51F.

1.26

12-19-2023

Measurement follows periods of light rain. Surface water temp = 42F. Air temp 45F.

1.21

12-11-2023

Measurement follows several days of persistent rain and warmer temperatures causing mountain snow melt. Flood conditions are prevalent in the Th County Area. 125 ducks counted at the LLCC HOA Park in the western basin. Surface Temperature is 44F.

1.03

12-06-2023

Continued periods of heavy rain. Record warm temperatures (60F) have caused snow melt in addition to rain. Locally there are many flood alerts including Chehalis and Skookumchuck rivers.

0.70

12-04-2023

Measurement follows a period of intense rain and warmer air temperatures (54F). The local area is under flood watch owing to these conditions. 95 geese observed at HOA park on the small lake. No algae observed.

0.60

11-27-2023

Measurement follows a period of very little precipitation. Air temperatures vary from 27-50F.

0.65

11-23-2023

Measurement follows an extended period of light to no precipitation, air temperatures 27-50F.

0.67

11-13-2023

Measurement follows several days of heavy rain, with visiblly new snow at elevation on Mt Rainier.

0.57

11-09-2023

Periods of rain continue. Surface scum is prevalent along all of the littorals around both basins. Air temperature varies from 32F - 55F.

0.54

11-05-2023

Measurement follows a period of intense rain. Grren surface algae persists.

0.39

10-30-2023

Several very cold (28F), clear nights but not much precipitation since last measurement. On this date WA DNR, WA F&W reps accompanied LMD rep to inspect areas where floating islands are likely originating. 53 geese were repeatedly counted daily at the HOA park on the small lake. Green algae visible on the surface along the littorals.

0.42

10-23-2023

Reading taken after a period of overcast skies and cooler weather. The first freeze has not yet occurred. Surface water temp 60F. Green algae scum is not able on the surface. Lab results are still pending from County Ecology.

0.42

10-23-2023

Reading taken after a period of overcast skies and cooler weather. The first freeze has not yet occurred. Surface water temp 60F. Green algae scum is not able on the surface. Lab results are still pending from County Ecology.

0.43

10-19-2023

Measurement follows a period of heavy to light precipitation. Lake surface temperature 60F. Days are unseasonably warm for October. First freeze has not yet occurred in this area. An algae sample was taken due to a one-day algae bloom. Results pending.

0.38

10-10-2023

Water level seems to be holding steady as precipitation has increased. Measurement follows a few days of rain. Surface water temp is 64F. Air Temperatures 41-70F.

0.37

10-08-2023

Measurement follows intermittent periods of light rain and sunshine. Temps vary from 41-80F. Green surface scum is present on the lake along the shorelines.

0.37

10-02-2023

Recent rain and cooler air temps have contributed to a more stabilized lake level. More rain expected today. Surface Water Temperature is 62F.

0.32

09-24-2023

Measurement follows extended period of little to no precipitation. Surface water temperature 65F. A cold front is moving into the area with several days of precipitation predicted. Air temps 40F (night)-60F (day).

0.36

09-21-2023

Measurement follows periods of slight precipitation. Outside weather has been more overcast, cooler nights in low 50s. Daytime highs in 70s.

0.55

09-07-2023

Measurement follows short periods of drizzle with little total accumulation. Air temp 50-75F. Surface water temp = 72F.

0.60

09-03-2023

We are now within one half foot from the lake bottom and therefore the "zero" on the gauge. No action required, however; I will need to interpolate once the gauge measures zero. Cool nights (50s) and warm days (80+) persist. Surface temp = 77F.

0.63

08-30-2023

Air temperatures have cooled significantly to daily highs in 70s and lows in 50s. Only very slight precipitation since last measurement. Surface water temp = 72F, Lake level continues to decrease. No visible algae.

0.71

08-23-2023

Surface water temp = 75F, Air temp = 75 daytime, 50-60F nighttime. Measurement follows a brief period of rain, less than 0.25 inch.

0.80

08-19-2023

No precipitation since last measurement. Surface Temp 80F. Air Temp 75F.

0.90

08-13-2023

No precipitation since last measurement. Surface water temp 80F. Air temp near 90F. Small globules of BG algae on the surface.

1.13

07-31-2023

Surface Temp = 76F. Clear skies, no precipitation, no surface algae visible.

1.19

07-26-2023

Measurement follows one day of very slight precipitation. Surface water temp = 80F.

1.36

07-19-2023

Continued period of no precipitation, 80F+ sunny days. The temperature of the surface of the small lake is 82F. The point of measurement may now be too shallow to get an accurate reading of the deeper parts of the lake.

1.42

07-15-2023

Another clear, sunny, hot day (85+) with no precipitation. Water temperature in small basin is 77F. No visible algae bloom.

1.48

07-12-2023

Period of no precipitation continues. Air temperature has been 75F during the daylight hours. Surface water temperature at the small lake is 76F. The swimming restriction associated with algae has been lifted, following 2 consecutive test results below the allowable toxic level.

1.59

07-06-2023

Surface water temperature 80F on small lake. Air temperature 81F, sunny. Swimming restrictions due to previous algae detection remain in effect. No precipitation.

1.62

07-04-2023

Measurement follows a continued, unseasonable period of sunshine and no precipitation. 59 geese counted at the LLCC HOA Park on the small lake. Air temperature high 80s. Surface water temp 76F. Water is fairly clear, no surface algae accumulation.

1.68

07-01-2023

Water Temperature 77F. Surface algae layer present on the littoral shores of the small lake on 30 June. The water column appears murky. Algae retest indicated the algae density was now less than the allowable upper limit.

1.73

06-28-2023

Measurement follows a continued period of no precipitation. Daytime air temperature is 76-81F. 6//21/23 BG Toxic algae alert in effect, restricting water use for 2 weeks. Water is remarkably clear, 76F. No surface scum is visible.

1.85

06-20-2023

Measurement follows a period of cooler than average temperatures and slight precipitation.

1.90

06-16-2023

Measurement follows a period of no precipitation. Surface Temperature at small lake is 69F. Water volume remains occluded, but no surface scum is observable. Several geese are observed visiting the nearby park daily. Quantity varies but approximately 15 during one visitation period.

1.95

06-13-2023

Period of no rain. Water surface temperature = 66F. No surface algae. Outside temperature 70-80F. Water remains cloudy green.

1.96

06-10-2023

Surface water temperature 66F. Water remains murky. Measurement follows several days of dry weather, 70-80F air temperatures.

1.98

06-05-2023

Surface temperature 72F. No precipitation since last measurement. Approx 25 geese at the park on the small lake including several goslings. The lake is now a few inches below the dam level. YFI are in full bloom.

2.04

06-03-2023

Measurement follows a continued period with no precipitation.

2.09

05-30-2023

Water surface temp is 74F. Measurement follows a period of cooler temperatures (60-70F) but no precipitation. Water is murky throughout the column, but no surface algae accumulation is present. Approximately 20 geese including goslings are present at the adjacent park.

2.18

05-23-2023

Surface temperature dropped to 66F. Measurement follows a period of very sparse precipitation and cooler temperatures (70s).

2.26

05-19-2023

Measurement follows mostly sunny weather with few periods of precipitation. Surface Temperature of the lake now 73F.

2.33

05-04-2023

Measurement follows repeated periods of precipitation.