Lake Powell, Houseboating, Glen Canyon, Striped Bass

Lake Powell





Lake Powell

For August 4th, 2020
Snowpack is 32% of avg
TotalPrecip is 83.00% of avg

Lake Powell is currently 474 feet deep at the dam
Water Summary
Today is day 309 of 366 for the Water Year 2020. We are 84% through the Water Year.
Last Reading: 3606.00 on Aug 2, 2020
Powell was last within 2" of this elevation on Jun 3, 2020
There are currently 4,018,362,349,514 gallons of water in Lake Powell!
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Printable Version
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 94 feet below Full Pool (Elevation 3,700)

By content, Lake Powell is 50.7% of Full Pool (24,322,000 af)
Total inflows for water year 2020: 6,048,160 acre feet

This is 63.17% of the August 2nd average of 9,574,817 acre feet
Total releases for water year 2020: 6,803,326 acre feet

This is 90.71% of the minimum required of 7,500,000 acre feet
During WY 2020, water storage has fallen by 932,065 AF and total outflows have exceeded total inflows by 755,166 AF
The 28 tracked reservoirs above Lake Powell are currently at 80.86% of capacity. Click for Details
Inflows for WY 2020 are 56.23% of WY 2019         Rivers feeding Lake Powell are running at 42.89% of the Aug 4th avg. Click for Details

Lake Powell is down -15.54 feet from one year ago.    Lake Powell is up 6.74 feet from the low for water year.

View Acre Feet     Last 14 Measurements
Lake Powell is down -1.89 feet over these measurements

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Sun, Aug 02, 2020
3606.00
-0.13
12331885
4468
10596
n/a
n/a
n/a
Sat, Aug 01, 2020
3606.13
-0.12
12344701
5028
10623
91.0
76.0
80.0
Fri, Jul 31, 2020
3606.25
-0.15
12356539
5938
13149
106.0
92.0
80.0
Thu, Jul 30, 2020
3606.40
-0.13
12371347
7090
13230
0.0
0.0
80.0
Wed, Jul 29, 2020
3606.53
-0.15
12384190
5971
13192
103.0
74.0
80.0
Tue, Jul 28, 2020
3606.68
-0.25
12399020
590
13209
98.0
72.0
79.0
Mon, Jul 27, 2020
3606.93
-0.07
12423764
10382
13302
93.0
74.0
79.0
Sun, Jul 26, 2020
3607.00
-0.10
12430698
4775
9314
95.0
72.0
79.0
Sat, Jul 25, 2020
3607.10
-0.13
12440608
3181
9344
94.0
70.0
79.0
Fri, Jul 24, 2020
3607.23
-0.11
12453500
5638
13426
76.0
69.0
78.0
Thu, Jul 23, 2020
3607.34
-0.21
12464414
2786
13284
85.0
72.0
78.0
Wed, Jul 22, 2020
3607.55
-0.16
12485270
5477
13278
93.0
78.0
78.0
Tue, Jul 21, 2020
3607.71
-0.18
12501175
4582
13473
96.0
83.0
78.0
Mon, Jul 20, 2020
3607.89
-0.21
12519085
2790
13317
103.0
80.0
78.0
Averages of List
3606.91
-0.15
12421871
4907
12338
87.2
70.2
78.9

Averages for August 4th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3652.68
-0.10
18014109
11070
16214
95.8
70.7
79.8
All-Time
3639.21
-0.07
16421453
11366
14961
96.7
71.1
79.8

Last 10 August 4th's data records

DATE MEASURED ELEVATION CHG vs TODAY CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Sun, Aug 04, 2019
3621.66
15.66
13939912
11357
11577
97.0
76.0
80.0
Sat, Aug 04, 2018
3602.91
-3.09
12029883
3389
11533
101.0
75.0
79.0
Fri, Aug 04, 2017
3634.33
28.33
15343444
7177
14886
90.0
73.0
81.0
Thu, Aug 04, 2016
3617.44
11.44
13493784
5081
14987
91.0
73.0
80.0
Tue, Aug 04, 2015
3612.35
6.35
12968302
10258
13532
98.1
72.0
79.0
Mon, Aug 04, 2014
3607.97
1.97
12527050
11776
13626
90.0
66.2
77.0
Sun, Aug 04, 2013
3593.67
-12.33
11156012
7960
11704
95.0
73.0
79.0
Sat, Aug 04, 2012
3627.81
21.81
14609030
6403
12650
96.1
75.0
79.0
Thu, Aug 04, 2011
3660.64
54.64
18576520
23331
24153
95.0
73.0
80.0
Wed, Aug 04, 2010
3636.77
30.77
15624913
14006
13460
95.0
73.0
81.0
Averages of List
3621.56
-0.03
14026885
10074
14211
94.8
72.9
79.5


Accessibility of Primitive Launches and Other Sites
As of Sunday, August 2nd, 2020 where elevation was 3606.00'

SITE/LAUNCH NAME MINIMUM SAFE
ELEVATION
ABSOLUTE MINIMUM
USABLE ELEVATION
CURRENT LEVEL VS.
ABSOLUTE MINIMUM
CURRENT ACCESSIBILITY
Halls Crossing Launch
3550.00
3548.00
58 Above
Open and Usable
Wahweap
3558.00
3556.00
50 Above
Open and Usable
Bullfrog (Main Launch)
3578.00
3576.00
30 Above
Open and Usable
Castle Rock Cut-Off
3583.00
3580.00
26 Above
Open and Usable
Antelope Point
3588.00
3587.00
19 Above
Open and Usable
Dominguez Butte Cut-Off
3602.00
3600.00
6 Above
Open and Usable
Gunsight to Padre Bay Cut-Off
3613.00
3609.00
3 Below
Unusable, go to main marinas
Hite Marina
3650.00
3645.00
39 Below
Unusable, go to main marinas
Farley Canyon
3653.00
3649.00
43 Below
Unusable, go to main marinas
Copper Canyon
3663.00
3660.00
54 Below
Unusable, go to main marinas
Bullfrog to Halls Creek Cut-Off
3670.00
3668.00
62 Below
Unusable, use Main Channel
Piute Farms
3682.00
3680.00
74 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 - Average Cubic Feet / Second over entire 24 hour period
Outflow - Average Cubic Feet / Second over entire 24 hour period
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 1.356 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 - 2020



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Lake Powell, Houseboating, Glen Canyon, Striped Bass