Lake Powell, Houseboating, Glen Canyon, Striped Bass

Lake Powell





Lake Powell

For January 22nd, 2021
Snowpack is 67% of avg
TotalPrecip is 59.00% of avg

Lake Powell is currently 446.19 feet deep at the dam
Water Summary
Today is day 115 of 365 for the Water Year 2021. We are 32% through the Water Year.
Last Reading: 3578.19 on Jan 21, 2021
Powell was last within 2" of this elevation on May 16, 2019
There are currently 3,188,544,538,502 gallons of water in Lake Powell!
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Gas Prices on Lake
Detailed Map of Powell
15 Day Weather Forecast
SW Satellite Weather
SW Water Vapor


Elevation & Content Water Inflow Data Glen Canyon Dam Release Data
Lake Powell is 121.81 feet below Full Pool (Elevation 3,700)

By content, Lake Powell is 40.23% of Full Pool (24,322,000 af)
Total inflows for water year 2021: 883,064 acre feet

This is 43.94% of the January 21st average of 2,009,528 acre feet
Total releases for water year 2021: 2,518,269 acre feet

This is 33.58% of the minimum required of 7,500,000 acre feet
During WY 2021, water storage has fallen by 1,571,266 AF and total outflows have exceeded total inflows by 1,635,205 AF
The 28 tracked reservoirs above Lake Powell are currently at 70.2% of capacity. Click for Details
Inflows for WY 2021 are 53.67% of WY 2020         Rivers feeding Lake Powell are running at 83.91% of the Jan 23rd avg. Click for Details

Lake Powell is down -28.25 feet from one year ago.    Lake Powell is at low for water year and down 17.64 feet from the high.

View CFS     Last 14 Measurements
Lake Powell is down -2.55 feet over these measurements

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (af) OUTFLOW (af) HIGH TEMP LOW TEMP WATER TEMP
Thu, Jan 21, 2021
3578.19
-0.20
9785271
7579
25692
51.0
30.0
n/a
Wed, Jan 20, 2021
3578.39
-0.20
9802239
2301
25942
49.0
35.0
47.0
Tue, Jan 19, 2021
3578.59
-0.25
9819226
3376
26127
45.0
36.0
47.0
Mon, Jan 18, 2021
3578.84
-0.17
9840487
10933
26353
54.0
32.0
48.0
Sun, Jan 17, 2021
3579.01
-0.13
9854962
9533
21283
53.0
28.0
48.0
Sat, Jan 16, 2021
3579.14
-0.17
9866040
7547
22995
56.0
30.0
48.0
Fri, Jan 15, 2021
3579.31
-0.24
9880540
4225
26143
50.0
28.0
48.0
Thu, Jan 14, 2021
3579.55
-0.20
9901034
6778
25030
50.0
26.0
48.0
Wed, Jan 13, 2021
3579.75
-0.21
9918133
7341
26541
43.0
23.0
47.0
Tue, Jan 12, 2021
3579.96
-0.21
9936109
7035
26256
42.0
20.0
48.0
Mon, Jan 11, 2021
3580.17
-0.26
9954105
2218
26099
44.0
22.0
48.0
Sun, Jan 10, 2021
3580.43
-0.13
9976417
9326
21172
43.0
26.0
48.0
Sat, Jan 09, 2021
3580.56
-0.18
9987585
6153
22652
49.0
24.0
47.0
Fri, Jan 08, 2021
3580.74
-0.20
10003062
7593
25968
44.0
26.0
48.0
Averages of List
3579.47
-0.20
9894658
6567
24875
48.1
27.6
47.7

Averages for January 23rd

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW (af) OUTFLOW (af) HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3637.42
-0.12
16138159
15004
29008
47.6
27.6
47.3
All-Time
3621.81
-0.09
14815183
16032
26682
47.3
27.6
47.3

Last 10 January 23rd's data records

DATE MEASURED ELEVATION CHG vs TODAY CONTENT INFLOW (af) OUTFLOW (af) HIGH TEMP LOW TEMP WATER TEMP
Thu, Jan 23, 2020
3606.24
28.05
12355552
8866
21398
47.0
31.0
47.0
Wed, Jan 23, 2019
3577.61
-0.58
9736174
10741
26053
45.0
25.0
46.0
Tue, Jan 23, 2018
3620.19
42.00
13783372
12667
28420
45.0
25.0
49.0
Mon, Jan 23, 2017
3597.08
18.89
11473617
10515
30578
48.0
37.0
48.0
Sat, Jan 23, 2016
3597.51
19.32
11514068
12540
26539
42.1
32.0
48.0
Fri, Jan 23, 2015
3594.48
16.29
11230943
14021
28804
n/a
n/a
47.5
Thu, Jan 23, 2014
3580.21
2.02
9957536
12877
26561
50.0
28.0
45.0
Wed, Jan 23, 2013
3605.49
27.30
12281693
4653
25633
42.1
27.0
45.0
Mon, Jan 23, 2012
3637.46
59.27
15705163
13908
26168
39.0
33.1
49.0
Sun, Jan 23, 2011
3622.09
43.90
13985951
13644
32787
46.9
32.0
47.0
Averages of List
3603.84
-0.16
12202407
11443
27294
45.0
30.0
47.2


Accessibility of Primitive Launches and Other Sites
As of Thursday, January 21st, 2021 where elevation was 3578.19'

SITE/LAUNCH NAME MINIMUM SAFE
ELEVATION
ABSOLUTE MINIMUM
USABLE ELEVATION
CURRENT LEVEL VS.
ABSOLUTE MINIMUM
CURRENT ACCESSIBILITY
Halls Crossing Launch
3550.00
3548.00
30.19 Above
Open and Usable
Wahweap
3558.00
3556.00
22.19 Above
Open and Usable
Bullfrog (Main Launch)
3578.00
3576.00
2.19 Above
Open and Usable
Castle Rock Cut-Off
3583.00
3580.00
1.81 Below
Unusable, use Main Channel
Antelope Point
3588.00
3587.00
8.81 Below
Unusable, go to main marinas
Dominguez Butte Cut-Off
3602.00
3600.00
21.81 Below
Unusable, go to main marinas
Gunsight to Padre Bay Cut-Off
3613.00
3609.00
30.81 Below
Unusable, go to main marinas
Hite Marina
3650.00
3645.00
66.81 Below
Unusable, go to main marinas
Farley Canyon
3653.00
3649.00
70.81 Below
Unusable, go to main marinas
Copper Canyon
3663.00
3660.00
81.81 Below
Unusable, go to main marinas
Bullfrog to Halls Creek Cut-Off
3670.00
3668.00
89.81 Below
Unusable, use Main Channel
Piute Farms
3682.00
3680.00
101.81 Below
Unusable, go to main marinas
Blue Notch is unknown and really just shoreline launching at whatever point feels good. No minimum given except amount of courage it takes to reach this launch.


Search DB For More Water Data Facts



Measurements are taken at 11:59 pm of the date listed
Temperature data is from Wahweap, AZ
Water temperature data is from wayneswords.com*
CHANGE represents water elevation change from previous day

Units used in each measurement:
Elevation - Feet above sea level
Change - Feet difference over previous measurement
Content - Acre Feet
Inflow - Acre Feet per day
Outflow - Acre Feet per day
All Temps - Degrees Farhenheit
The Water Year runs from October 1 to September 30 of the next year
Acre Feet = 1.9835 * Flow CFS
TP = Total Precipitation



Page took 1.293 seconds to create!
Copyright Summit Technologies, Inc.
Water data courtesy of US Bureau of Reclamation
The water year runs from Oct 1 - Sept 30
Since Filled is from 06/22/1980 forward
*Water temp data is provided by Wayne Gustaveson
  as measured in the a.m. at the Wahweap docks
*Air temp data is sourced from (Prev 24 Hr Extremes):
   Page, AZ Weather
All data is provisional and subject to review and modification
Call 1-800-752-8525 for up-to-date water level infomation
or go to Lake Powell Source Data
USBR Projected Outlook
Current Snowpack Conditions for Upper Colorado Basin


Copyright Summit Technologies, Inc.
1999 - 2021



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Lake Powell, Houseboating, Glen Canyon, Striped Bass