2.36

06-08-2026

Measurement follows a few days of periodic heavy rainfall and a short hailstorm. Nights were very cool: 42-50F, with warm days 60- low 70s. Lake surface temperature 66F.

2.36

06-07-2026

62.4 degrees F

2.50

05-25-2026

62.2 degrees F

2.50

05-24-2026

Surface Temperature 73F. Air temperature varies from 47-70F, with very little precipitation since the last measurement.

2.58

05-17-2026

58.5 degrees F

2.56

05-13-2026

Measurement follows an extended period of drying and warming trends with one day of rain on 5/13. Surface water temperature is 71F.

2.58

05-08-2026

61 degrees F

2.68

04-26-2026

56.3 degrees F

2.70

04-21-2026

Measurement follows a period of zero precipitation and warmer days with periods of sunshine. Surface water temp = 63F.

2.76

04-16-2026

Measurement follows a period of steady rainfall, cold nights (30F) and daytime highs around 50F. Surface water temp is 52F.

2.74

04-12-2026

2.74

04-11-2026

No precipitation since previous measurement.

2.78

04-06-2026

61.5 degrees F. 3 days with no rain

2.88

03-28-2026

2.99

03-21-2026

Periodic precipitation since last measurement.

3.01

03-15-2026

Surface Water temp 46F. Intermittent light precipitation (rain). Air temperature 32F (night), 45Fday.

3.02

03-14-2026

Calm day. Reading taken following a period of steady rain for multiple days. Mount Rainier snow pack appears to be very deep from a distance.

2.66

03-08-2026

44.2 degrees F

2.65

03-01-2026

44.1 degrees F

2.68

02-22-2026

43.5 degrees F. Windy

2.67

02-15-2026

43 degrees F

2.68

02-08-2026

43.3 degrees F

2.66

02-01-2026

42.6 degrees F

2.61

01-26-2026

Measurement taken following a continued period of no measurable precipitation. Lake surface temperature is 39F. Weather is 40-50F during the day, very cold (20-28F) at night.

2.62

01-22-2026

Measurement follows an extended period of no precipitation. Night air temps have been below freezing (28F), days 40F. There is no ice on the lake. BG algae is no longer present at the LAW2 measurement site.

2.64

01-16-2026

Surface temp 42F. Calm day, No precipitation. Slight BG algae outbreak near the very shallow shoreline. Water continues to drain across the top of the dam.

2.60

01-12-2026

Surface water temperature 42F. Measurement follows several periods of precipitation,

2.50

01-05-2026

2.41

01-03-2026

Measurement follows an extended period of intermittent to steady precipitation. Surface water temp 41F.

2.36

12-31-2025

Spillway outflow is occurring.

2.11

12-19-2025

43.9 degrees F

1.68

12-12-2025

46.8 degrees F

1.68

12-12-2025

0.98

12-07-2025

44.2 degrees F

0.88

11-29-2025

0.72

11-21-2025

0.74

11-19-2025

0.75

11-16-2025

0.72

11-14-2025

0.68

11-11-2025

0.68

11-09-2025

0.70

11-06-2025

50 degrees F

0.54

11-04-2025

0.53

11-02-2025

0.52

11-01-2025

0.42

10-29-2025

0.39

10-26-2025

50 degrees F. Heavy rain & wind 10/24/25 & 10/25/25

0.22

10-19-2025

53.2 degrees F

0.22

10-10-2025

57.2 degrees F

0.30

10-02-2025

Surface Temp 60F. Measurement follows a 4-day period of intermittent heavy rain.

0.30

09-29-2025

Surface temp - 66F. Measurement follows a continued period of no measurable precipitation.

0.40

09-19-2025

Lake surface water temperature 69F following cool nights, shortened daylight hours and no measurable precipitation since the last measurement.

0.52

09-13-2025

No recent precipitation. Cooler nights (50F), temperate days (70F).

0.55

09-11-2025

Measurement taken following a period of cooler weather (53F nights, 73F days) and very little precipitation. Water Surface temperature 75F.

0.61

09-05-2025

Surface temperature 71F. Measurement follows a period of cooler nights (70F) and zero precipitation.

0.68

08-29-2025

Surface water temp 73F. Measurement taken after a brief period of light precipitation and cooler nights.

0.77

08-22-2025

Measurement taken after daytime highs in the 80-90F range with no precipitation. Lake surface temperature 83F.

0.84

08-16-2025

Surface temp = 72.6F. Measurment follows cooler days and a short period of precipitation amounting to approx 0.5 inch.

0.92

08-10-2025

75.9 degrees F

1.01

08-03-2025

water temperature is 70.2 degrees F

1.16

07-27-2025

Surface water temperature 73F. Measurement follows an extended period of zero precipitation.

1.26

07-20-2025

No precipitation since last measurement. Surface temperature 72F. Days have been low 70s with cooler nights.

1.52

07-07-2025

No precipitation since last measurement. Lake clarity has improved substantially. Lake surface temperature 71F.

1.68

07-01-2025

Surface temperature 71F. Measurement follows a period of no precipitation.

1.72

06-25-2025

Surface temp 65F. Measurement follows a few periods of minor precipitation, very cool days and nights (50-70F).

1.77

06-19-2025

Very minor (light) precipitation since last measurement.

1.81

06-15-2025

Zero precipitation since last measurement.

1.90

06-11-2025

Measurement follows an extended period of hot (>90F), dry weather.