Lake Powell, Houseboating, Glen Canyon, Striped Bass





Lake Powell

Lake Powell

For February 17th, 2020
Snowpack is 114% of avg
TotalPrecip is 95.00% of avg

Lake Powell is currently 472.22 feet deep at the dam
Water Summary
Today is day 140 of 366 for the Water Year 2020. We are 38% through the Water Year.
Last Reading: 3604.22 on Feb 13, 2020
Powell was last within 2" of this elevation on Feb 12, 2020
There are currently 3,961,474,229,485 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 95.78 feet below Full Pool (Elevation 3,700)

By content, Lake Powell is 49.98% of Full Pool (24,322,000 af)
Total inflows for water year 2020: 1,954,049 acre feet

This is 80.92% of the February 13th average of 2,414,846 acre feet
Total releases for water year 2020: 3,041,640 acre feet

This is 40.56% of the minimum required of 7,500,000 acre feet
During WY 2020, water storage has fallen by 1,106,648 AF and total outflows have exceeded total inflows by 1,087,591 AF
The 28 tracked reservoirs above Lake Powell are currently at 79.1% of capacity. Click for Details
Inflows for WY 2020 are 126.39% of WY 2019         Rivers feeding Lake Powell are running at 97.76% of the Feb 17th avg. Click for Details


Lake Powell is up 30.05 feet from one year ago.    Lake Powell is at low for water year and down 11.01 feet from the high.


View Acre Feet     Last 14 Measurements
Lake Powell is down -1.26 feet over these measurements

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Thu, Feb 13, 2020
3604.22
-0.13
12157302
5202
11963
0.0
0.0
46.0
Wed, Feb 12, 2020
3604.35
-0.07
12169995
8405
11978
0.0
0.0
46.0
Tue, Feb 11, 2020
3604.42
-0.17
12176834
3326
12225
0.0
0.0
46.0
Mon, Feb 10, 2020
3604.59
-0.08
12193454
7890
12000
52.0
30.0
46.0
Sun, Feb 09, 2020
3604.67
-0.05
12201280
7423
9936
53.0
36.0
45.0
Sat, Feb 08, 2020
3604.72
-0.09
12206173
6315
10962
66.0
35.0
45.0
Fri, Feb 07, 2020
3604.81
-0.11
12214984
6415
12131
64.0
35.0
46.0
Thu, Feb 06, 2020
3604.92
-0.11
12225759
6048
11767
52.0
28.0
46.0
Wed, Feb 05, 2020
3605.03
-0.11
12236540
6608
12329
39.0
20.0
46.0
Tue, Feb 04, 2020
3605.14
-0.09
12247327
7660
12316
38.0
25.0
46.0
Mon, Feb 03, 2020
3605.23
-0.12
12256158
6017
12280
54.0
27.0
46.0
Sun, Feb 02, 2020
3605.35
-0.06
12267939
7208
10265
58.0
30.0
47.0
Sat, Feb 01, 2020
3605.41
-0.07
12273832
7094
10686
54.0
31.0
47.0
Fri, Jan 31, 2020
3605.48
-0.06
12280710
9606
12686
50.0
30.0
47.0
Averages of List
3604.88
-0.09
12222021
6801
11680
41.4
23.4
46.1

Averages for February 17th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3635.73
-0.07
15946606
8694
13642
55.6
34.8
47.8
All-Time
3620.20
-0.04
14642711
9042
12080
55.2
34.0
47.8

Last 10 February 17th's data records

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Sun, Feb 17, 2019
3573.74
-0.07
9412749
8933
11961
43.0
28.0
45.0
Sat, Feb 17, 2018
3617.32
0.19
13481238
5613
13412
54.0
28.0
48.0
Fri, Feb 17, 2017
3594.46
0.01
11229089
14014
13364
55.0
46.0
50.0
Wed, Feb 17, 2016
3595.11
-0.09
11289443
8812
13230
61.0
39.0
49.0
Tue, Feb 17, 2015
3592.72
-0.06
11068536
8100
10958
51.0
32.0
52.0
Mon, Feb 17, 2014
3576.69
-0.13
9658630
5315
11142
64.0
39.0
46.0
Sun, Feb 17, 2013
3602.72
-0.12
12011477
3730
9904
61.0
34.0
45.0
Fri, Feb 17, 2012
3635.96
-0.08
15531074
6847
11694
52.0
30.9
49.0
Thu, Feb 17, 2011
3616.82
-0.18
13429046
6872
18196
55.0
37.9
45.0
Wed, Feb 17, 2010
3620.96
-0.10
13865206
6625
11876
52.0
33.1
50.0
Averages of List
3602.65
-0.06
12097649
7486
12574
54.8
34.8
47.9


Accessibility of Primitive Launches and Other Sites
As of Thursday, February 13th, 2020 where elevation was 3604.22'

SITE/LAUNCH NAME MINIMUM SAFE
ELEVATION
ABSOLUTE MINIMUM
USABLE ELEVATION
CURRENT LEVEL VS.
ABSOLUTE MINIMUM
CURRENT ACCESSIBILITY
Halls Crossing Launch
3550.00
3548.00
56.22 Above
Open and Usable
Wahweap
3558.00
3556.00
48.22 Above
Open and Usable
Bullfrog (Main Launch)
3578.00
3576.00
28.22 Above
Open and Usable
Castle Rock Cut-Off
3583.00
3580.00
24.22 Above
Open and Usable
Antelope Point
3588.00
3587.00
17.22 Above
Open and Usable
Dominguez Butte Cut-Off
3602.00
3600.00
4.22 Above
Open and Usable
Gunsight to Padre Bay Cut-Off
3613.00
3609.00
4.78 Below
Unusable, go to main marinas
Hite Marina
3650.00
3645.00
40.78 Below
Unusable, go to main marinas
Farley Canyon
3653.00
3649.00
44.78 Below
Unusable, go to main marinas
Copper Canyon
3663.00
3660.00
55.78 Below
Unusable, go to main marinas
Bullfrog to Halls Creek Cut-Off
3670.00
3668.00
63.78 Below
Unusable, use Main Channel
Piute Farms
3682.00
3680.00
75.78 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 2.826 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