Lake Powell, Houseboating, Glen Canyon, Striped Bass

Lake Powell





Lake Powell

For July 15th, 2020
Snowpack is 35% of avg
TotalPrecip is 82.00% of avg

Lake Powell is currently 476.88 feet deep at the dam
Water Summary
Today is day 289 of 366 for the Water Year 2020. We are 79% through the Water Year.
Last Reading: 3608.88 on Jul 14, 2020
Powell was last within 2" of this elevation on Jan 1, 2020
There are currently 4,111,558,790,871 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 91.12 feet below Full Pool (Elevation 3,700)

By content, Lake Powell is 51.88% of Full Pool (24,322,000 af)
Total inflows for water year 2020: 5,872,283 acre feet

This is 65.02% of the July 14th average of 9,031,223 acre feet
Total releases for water year 2020: 6,345,532 acre feet

This is 84.61% of the minimum required of 7,500,000 acre feet
During WY 2020, water storage has fallen by 646,056 AF and total outflows have exceeded total inflows by 473,249 AF
The 28 tracked reservoirs above Lake Powell are currently at 83.07% of capacity. Click for Details
Inflows for WY 2020 are 58.79% of WY 2019         Rivers feeding Lake Powell are running at 26.86% of the Jul 15th avg. Click for Details

Lake Powell is down -10.78 feet from one year ago.    Lake Powell is up 9.62 feet from the low for water year.

View Acre Feet     Last 14 Measurements
Lake Powell is down -1.65 feet over these measurements

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Tue, Jul 14, 2020
3608.88
-0.18
12617894
4246
13190
n/a
n/a
n/a
Mon, Jul 13, 2020
3609.06
-0.20
12635914
3124
13169
n/a
n/a
n/a
Sun, Jul 12, 2020
3609.26
-0.07
12655957
6310
9263
n/a
n/a
n/a
Sat, Jul 11, 2020
3609.33
-0.09
12662977
5270
9317
n/a
n/a
n/a
Fri, Jul 10, 2020
3609.42
-0.16
12672007
5226
13101
n/a
n/a
n/a
Thu, Jul 09, 2020
3609.58
-0.15
12688070
5652
12987
86.0
72.0
76.0
Wed, Jul 08, 2020
3609.73
-0.18
12703142
3954
12937
101.0
78.0
76.0
Tue, Jul 07, 2020
3609.91
-0.15
12721243
5884
13231
100.0
74.0
76.0
Mon, Jul 06, 2020
3610.06
-0.12
12736340
7531
13238
101.0
74.0
76.0
Sun, Jul 05, 2020
3610.18
-0.03
12748427
8549
9320
102.0
72.0
76.0
Sat, Jul 04, 2020
3610.21
-0.10
12751450
4739
9351
97.0
69.0
76.0
Fri, Jul 03, 2020
3610.31
-0.11
12761529
7933
13098
94.0
72.0
75.0
Thu, Jul 02, 2020
3610.42
-0.11
12772623
8100
13267
95.0
70.0
75.0
Wed, Jul 01, 2020
3610.53
-0.09
12783723
9184
13254
92.0
63.0
75.0
Averages of List
3609.78
-0.12
12707950
6122
12052
96.4
71.6
75.7

Averages for July 15th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3654.52
-0.04
18234581
18885
17046
98.4
71.3
78.9
All-Time
3640.55
-0.00
16590804
18852
15479
99.1
71.0
78.9

Last 10 July 15th's data records

DATE MEASURED ELEVATION CHG vs TODAY CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Mon, Jul 15, 2019
3619.93
11.05
13755821
31151
14660
103.0
74.0
78.0
Sun, Jul 15, 2018
3607.05
-1.83
12435652
2978
11299
95.0
75.0
79.0
Sat, Jul 15, 2017
3635.68
26.80
15498729
12944
13158
102.0
73.0
80.0
Fri, Jul 15, 2016
3620.91
12.03
13859881
7792
16133
105.0
73.0
77.0
Wed, Jul 15, 2015
3614.30
5.42
13168002
17149
17370
96.1
69.1
77.0
Tue, Jul 15, 2014
3609.47
0.59
12677025
9365
13414
93.9
78.1
79.0
Mon, Jul 15, 2013
3597.23
-11.65
11487718
5886
14307
95.0
73.0
80.0
Sun, Jul 15, 2012
3631.13
22.25
14979775
4832
13642
88.0
68.0
78.0
Fri, Jul 15, 2011
3657.97
49.09
18228192
71906
23994
93.0
66.9
76.0
Thu, Jul 15, 2010
3638.18
29.30
15789211
10839
13343
104.0
75.0
81.0
Averages of List
3623.19
-0.01
14188001
17484
15132
97.5
72.5
78.5


Accessibility of Primitive Launches and Other Sites
As of Tuesday, July 14th, 2020 where elevation was 3608.88'

SITE/LAUNCH NAME MINIMUM SAFE
ELEVATION
ABSOLUTE MINIMUM
USABLE ELEVATION
CURRENT LEVEL VS.
ABSOLUTE MINIMUM
CURRENT ACCESSIBILITY
Halls Crossing Launch
3550.00
3548.00
60.88 Above
Open and Usable
Wahweap
3558.00
3556.00
52.88 Above
Open and Usable
Bullfrog (Main Launch)
3578.00
3576.00
32.88 Above
Open and Usable
Castle Rock Cut-Off
3583.00
3580.00
28.88 Above
Open and Usable
Antelope Point
3588.00
3587.00
21.88 Above
Open and Usable
Dominguez Butte Cut-Off
3602.00
3600.00
8.88 Above
Open and Usable
Gunsight to Padre Bay Cut-Off
3613.00
3609.00
0.12 Below
Unusable, go to main marinas
Hite Marina
3650.00
3645.00
36.12 Below
Unusable, go to main marinas
Farley Canyon
3653.00
3649.00
40.12 Below
Unusable, go to main marinas
Copper Canyon
3663.00
3660.00
51.12 Below
Unusable, go to main marinas
Bullfrog to Halls Creek Cut-Off
3670.00
3668.00
59.12 Below
Unusable, use Main Channel
Piute Farms
3682.00
3680.00
71.12 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.


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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 1.151 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


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1999 - 2020



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Lake Powell, Houseboating, Glen Canyon, Striped Bass