Lake Powell, Houseboating, Glen Canyon, Striped Bass





Lake Powell

Lake Powell

For February 18th, 2020
Snowpack is 112% of avg
TotalPrecip is 93.00% of avg

Lake Powell is currently 471.97 feet deep at the dam
Water Summary
Today is day 141 of 366 for the Water Year 2020. We are 39% through the Water Year.
Last Reading: 3603.97 on Feb 17, 2020
Powell was last within 2" of this elevation on Feb 16, 2020
There are currently 3,953,527,690,686 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 96.03 feet below Full Pool (Elevation 3,700)

By content, Lake Powell is 49.88% of Full Pool (24,322,000 af)
Total inflows for water year 2020: 2,021,187 acre feet

This is 81.29% of the February 17th average of 2,486,475 acre feet
Total releases for water year 2020: 3,133,922 acre feet

This is 41.79% of the minimum required of 7,500,000 acre feet
During WY 2020, water storage has fallen by 1,131,035 AF and total outflows have exceeded total inflows by 1,112,735 AF
The 28 tracked reservoirs above Lake Powell are currently at 79.1% of capacity. Click for Details
Inflows for WY 2020 are 125.72% of WY 2019         Rivers feeding Lake Powell are running at 101.57% of the Feb 18th avg. Click for Details


Lake Powell is up 30.23 feet from one year ago.    Lake Powell is up 0.01 feet from the low for water year.


View Acre Feet     Last 14 Measurements
Lake Powell is down -1.17 feet over these measurements

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Mon, Feb 17, 2020
3603.97
0.01
12132915
12583
11902
0.0
0.0
46.0
Sun, Feb 16, 2020
3603.96
-0.06
12131940
7439
10474
0.0
0.0
46.0
Sat, Feb 15, 2020
3604.02
-0.06
12137790
8282
11317
0.0
0.0
46.0
Fri, Feb 14, 2020
3604.08
-0.14
12143641
5544
12832
0.0
0.0
46.0
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
Averages of List
3604.49
-0.09
12183995
7081
11724
26.0
14.9
45.9

Averages for February 18th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3635.65
-0.07
15937801
8832
13565
54.8
35.2
48.1
All-Time
3620.16
-0.04
14637648
9139
11729
55.1
34.4
48.1

Last 10 February 18th's data records

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Mon, Feb 18, 2019
3573.61
-0.13
9402010
7807
13532
34.0
24.0
45.0
Sun, Feb 18, 2018
3617.16
0.03
13464522
4261
13191
63.0
34.0
48.0
Sat, Feb 18, 2017
3594.52
0.06
11234652
15905
12730
50.0
44.0
50.0
Thu, Feb 18, 2016
3595.01
-0.10
11280145
8268
13190
72.0
48.0
49.0
Wed, Feb 18, 2015
3592.67
-0.05
11063944
8559
10916
61.0
42.0
53.0
Tue, Feb 18, 2014
3576.58
-0.11
9649386
6267
11174
64.9
42.1
46.0
Mon, Feb 18, 2013
3602.67
-0.05
12006637
8516
10997
50.0
33.1
45.0
Sat, Feb 18, 2012
3635.93
-0.03
15527606
9456
11154
53.1
33.1
49.0
Fri, Feb 18, 2011
3616.62
-0.20
13408206
6852
17990
57.9
39.0
n/a
Thu, Feb 18, 2010
3620.89
-0.07
13857752
6648
11897
55.9
32.0
50.0
Averages of List
3602.57
-0.07
12089486
8254
12677
56.2
37.1
48.3


Accessibility of Primitive Launches and Other Sites
As of Monday, February 17th, 2020 where elevation was 3603.97'

SITE/LAUNCH NAME MINIMUM SAFE
ELEVATION
ABSOLUTE MINIMUM
USABLE ELEVATION
CURRENT LEVEL VS.
ABSOLUTE MINIMUM
CURRENT ACCESSIBILITY
Halls Crossing Launch
3550.00
3548.00
55.97 Above
Open and Usable
Wahweap
3558.00
3556.00
47.97 Above
Open and Usable
Bullfrog (Main Launch)
3578.00
3576.00
27.97 Above
Open and Usable
Castle Rock Cut-Off
3583.00
3580.00
23.97 Above
Open and Usable
Antelope Point
3588.00
3587.00
16.97 Above
Open and Usable
Dominguez Butte Cut-Off
3602.00
3600.00
3.97 Above
Open and Usable
Gunsight to Padre Bay Cut-Off
3613.00
3609.00
5.03 Below
Unusable, go to main marinas
Hite Marina
3650.00
3645.00
41.03 Below
Unusable, go to main marinas
Farley Canyon
3653.00
3649.00
45.03 Below
Unusable, go to main marinas
Copper Canyon
3663.00
3660.00
56.03 Below
Unusable, go to main marinas
Bullfrog to Halls Creek Cut-Off
3670.00
3668.00
64.03 Below
Unusable, use Main Channel
Piute Farms
3682.00
3680.00
76.03 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 1.631 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