Lake Powell, Houseboating, Glen Canyon, Striped Bass

Lake Powell

Lake Powell
For December 15th, 2019
Snowpack is 135% of avg
TotalPrecip is 94.00% of avg

Lake Powell is currently 478.1 feet deep at the dam
Water Summary
Today is day 76 of 366 for the Water Year 2020. We are 21% through the Water Year.
Last Reading: 3610.10 on Dec 14, 2019
Powell was last within 2" of this elevation on Jun 30, 2018
There are currently 4,151,467,118,786 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 89.9 feet below Full Pool (Elevation 3,700)

By content, Lake Powell is 52.38% of Full Pool (24,322,000 af)
Total inflows for water year 2020: 1,087,103 acre feet

This is 77.29% of the December 14th average of 1,406,448 acre feet
Total releases for water year 2020: 1,581,302 acre feet

This is 21.08% of the minimum required of 7,500,000 acre feet
During WY 2020, water storage has risen by 1,724,107 AF yet total outflows have exceeded total inflows by 494,199 AF
The 28 tracked reservoirs above Lake Powell are currently at 81.91% of capacity. Click for Details
Inflows for WY 2020 are 117.49% of WY 2019         Rivers feeding Lake Powell are running at 135.39% of the Dec 15th avg. Click for Details


Lake Powell is up 25.74 feet from one year ago.    Lake Powell is at low for water year and down 5.13 feet from the high.


View Acre Feet     Last 14 Measurements
Lake Powell is down -1.10 feet over these measurements

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Sat, Dec 14, 2019
3610.10
-0.02
12740368
11217
11879
n/a
n/a
n/a
Fri, Dec 13, 2019
3610.12
-0.08
12742383
8627
12580
n/a
n/a
n/a
Thu, Dec 12, 2019
3610.20
-0.11
12750442
7014
12615
0.0
0.0
54.0
Wed, Dec 11, 2019
3610.31
-0.11
12761529
4821
10427
n/a
n/a
n/a
Tue, Dec 10, 2019
3610.42
-0.07
12772623
9203
12613
0.0
0.0
54.0
Mon, Dec 09, 2019
3610.49
-0.08
12779686
8679
12640
0.0
0.0
54.0
Sun, Dec 08, 2019
3610.57
-0.07
12787761
7426
10838
0.0
0.0
54.0
Sat, Dec 07, 2019
3610.64
-0.11
12794829
6659
12273
0.0
0.0
54.0
Fri, Dec 06, 2019
3610.75
-0.08
12805942
8675
12641
0.0
0.0
54.0
Thu, Dec 05, 2019
3610.83
-0.07
12814028
9338
12755
52.0
39.0
54.0
Wed, Dec 04, 2019
3610.90
-0.12
12821106
6109
12281
46.0
36.0
55.0
Tue, Dec 03, 2019
3611.02
-0.06
12833245
9782
12651
47.0
32.0
55.0
Mon, Dec 02, 2019
3611.08
-0.12
12839318
6391
12569
44.0
31.0
55.0
Sun, Dec 01, 2019
3611.20
-0.03
12851469
9463
10679
40.0
26.0
55.0
Averages of List
3610.62
-0.08
12792481
8100
12103
20.8
14.9
54.4

Averages for December 15th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3642.64
-0.11
16755777
8367
14248
47.5
29.1
52.9
All-Time
3629.67
-0.09
15289226
8670
13209
46.5
27.9
52.9

Last 10 December 15th's data records

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Sat, Dec 15, 2018
3584.25
-0.11
10308009
6653
11543
49.0
34.0
52.0
Fri, Dec 15, 2017
3624.06
-0.11
14198303
6378
12396
48.0
28.0
54.0
Thu, Dec 15, 2016
3603.17
-0.16
12055100
6228
14272
75.0
45.0
55.0
Tue, Dec 15, 2015
3603.23
-0.09
12060925
10774
15118
43.0
33.1
54.0
Mon, Dec 15, 2014
3599.88
-0.12
11738632
8606
14430
44.1
30.9
56.0
Sun, Dec 15, 2013
3586.06
-0.13
10467601
2870
8774
43.0
25.0
49.0
Sat, Dec 15, 2012
3612.65
-0.21
12998894
2139
13373
41.0
35.1
54.0
Thu, Dec 15, 2011
3642.67
-0.18
16320558
9088
20295
42.1
28.9
54.0
Wed, Dec 15, 2010
3628.37
-0.10
14671097
7234
13864
55.9
39.0
52.0
Tue, Dec 15, 2009
3628.68
-0.18
14705537
6962
15291
42.1
28.0
53.0
Averages of List
3611.30
-0.14
12952466
6693
13936
48.3
32.7
53.3


Accessibility of Primitive Launches and Other Sites
As of Saturday, December 14th, 2019 where elevation was 3610.10'

SITE/LAUNCH NAME MINIMUM SAFE
ELEVATION
ABSOLUTE MINIMUM
USABLE ELEVATION
CURRENT LEVEL VS.
ABSOLUTE MINIMUM
CURRENT ACCESSIBILITY
Halls Crossing Launch
3550.00
3548.00
62.1 Above
Open and Usable
Wahweap
3558.00
3556.00
54.1 Above
Open and Usable
Bullfrog (Main Launch)
3578.00
3576.00
34.1 Above
Open and Usable
Castle Rock Cut-Off
3583.00
3580.00
30.1 Above
Open and Usable
Antelope Point
3588.00
3587.00
23.1 Above
Open and Usable
Dominguez Butte Cut-Off
3602.00
3600.00
10.1 Above
Open and Usable
Gunsight to Padre Bay Cut-Off
3613.00
3609.00
1.1 Above
Looking bad, not likely. Go very slow!
Hite Marina
3650.00
3645.00
34.9 Below
Unusable, go to main marinas
Farley Canyon
3653.00
3649.00
38.9 Below
Unusable, go to main marinas
Copper Canyon
3663.00
3660.00
49.9 Below
Unusable, go to main marinas
Bullfrog to Halls Creek Cut-Off
3670.00
3668.00
57.9 Below
Unusable, use Main Channel
Piute Farms
3682.00
3680.00
69.9 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 0.143 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 - 2019



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Lake Powell, Houseboating, Glen Canyon, Striped Bass