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Upper Klamath Lake near K.falls(weight/mean Elev) water level

Lake, Upper Klamath Lake, Oregon, United States

Directions

Right now

Normal for mid-October

Surface elevation

4,140.62ft Steady over the last 24 hours

4,140.5 4,141.0

History

History
4,140.54,141.0ftOct 16Oct 17Oct 18Oct 19Oct 204,140.54,141.0ftOct 16Oct 18Oct 20
4,140.54,141.04,141.5ftSep 21Sep 28Oct 5Oct 13Oct 204,140.54,141.04,141.5ftSep 21Oct 5Oct 20
4,1404,1424,144ftOct 2025Jan 2026Apr 2026Jul 2026Oct 20264,1404,1424,144ftOct 2025Apr 2026Oct 2026
4,1404,1424,144ftOct 2020Apr 2022Oct 2023Apr 2025Oct 20264,1404,1424,144ftOct 2020Oct 2023Oct 2026
4,1404,1424,144ftJanMarMayJulSepNov20264,1404,1424,144ftJanAprJulOct2026

202120222023202420252026

Surface elevation Normal range (10–90 %)

What this means

Upper Klamath Lake near K.falls(weight/mean Elev) is at 4,140.62 ft, in the normal range for mid-October.

The median for mid-October is 4,140.84 ft, based on 7 years of readings, so the lake level is 0.22 ft below typical. On the same day last year the reading was 4,141.31 ft, a difference of −0.69 ft.

It has barely moved over the past 24 hours. In the last month it has stayed between 4,140.60 ft and 4,141.09 ft.

Lakes and reservoirs often sit lower in fall after a summer of evaporation and use, and recover with winter rain and spring snowmelt.

Compared with 7 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
4,140.84 ft0.22 ft below the median for this date
Normal for this date
4,140.20 ft – 4,141.31 ft8 years in 10 fall in this range (7 years of records)
Same day last year
4,141.31 ft−0.69 ft
Lowest and highest in 30 days
4,140.60 ft – 4,141.09 ft
Lowest and highest in 12 months
4,140.63 ft – 4,144.62 ft

On the water at Upper Klamath Lake near K.falls(weight/mean Elev)

Normal levels mean few surprises on the water: ramps in use and the shoreline where you expect it.

Wear a life jacket on the water. Most boating deaths involve people who were not wearing one.

Weather at the gauge

No rain in the last 3 days.

20 Tue 68° 43° – Wind 14 mph
21 Wed 67° 46° – Wind 11 mph
22 Thu 55° 37° – Wind 9 mph
23 Fri 54° 31° – Wind 7 mph
24 Sat 63° 30° – Wind 5 mph
25 Sun 64° 35° – Wind 6 mph
26 Mon 60° 37° – Wind 8 mph

Forecast: Open-Meteo

Sunrise 07:26 AM Sunset 06:19 PM Daylight 10 hr, 52 min First quarter 69%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Link River at Klamath FallsRiver gauge, Link River 1,190 cfs Normal +20.0 cfs 2.1 mi
North Canal at Highway 97, near MidlandCanal gauge, North Canal 7.1 cfs Low +5.8 cfs 9 mi
Lost River ReservoirReservoir 0.00 ft Very low 10 mi
Klamath River at KenoRiver gauge, Klamath River 775 cfs Low ±0 11 mi
Ady Canal at Highway 97, near WordenCanal gauge, Ady Canal 148 cfs Normal −136.0 cfs 12 mi
Klamath Straits Drain near WordenCanal gauge, Klamath Straits Drain 6.0 cfs Normal +1.3 cfs 12 mi
Ady Canal above Lower Klamath Nwr, near WordenCanal gauge, Ady Canal 54.3 cfs Normal −117.7 cfs 17 mi
Klamath River below John C.boyle Pwrplnt, near KenoRiver gauge, Klamath River 966 cfs Low ±0 17 mi

Questions and answers

Is Upper Klamath Lake near K.falls(weight/mean Elev) higher than last year?

No, it is 0.69 ft lower than on the same day last year, when the reading was 4,141.31 ft.

What is a normal level for Upper Klamath Lake near K.falls(weight/mean Elev) in mid-October?

The median for mid-October is 4,140.84 ft. In 8 years out of 10 the reading falls between 4,140.20 ft and 4,141.31 ft, based on 7 years of records.

Is Upper Klamath Lake near K.falls(weight/mean Elev) really 4,140.62 ft deep?

No. 4,140.62 ft is the height of the water surface above sea level (or the agency's vertical datum), not the depth of the water.

What is the water level of Upper Klamath Lake near K.falls(weight/mean Elev) today?

On Oct 20, 2026, 06:30 AM PDT, the surface elevation was 4,140.62 ft. Steady over the last 24 hours.

Is Upper Klamath Lake near K.falls(weight/mean Elev) rising or falling?

Steady over the last 24 hours. Down 0.06 ft over the last 7 days.

Is the level of Upper Klamath Lake near K.falls(weight/mean Elev) normal?

Normal for mid-October. Compared with 7 years of daily readings for this time of year.

How often is this data updated?

The U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Geological Survey
Station code
usgs:11507001 (Agency page)
Coordinates
42.24983, -121.81638 (WGS84)
Vertical datum
NAVD88
Update interval
every 15 minutes
Licence
Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

ParameterLast valueTime (UTC)Quality
Surface elevation 4,140.62 ft 2026-10-20 13:30 Provisional

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How to cite

U.S. Geological Survey: Upper Klamath Lake near K.falls(weight/mean Elev) (usgs:11507001). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/oregon/upper-klamath-lake-near-k-falls-weight-mean-elev

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.