Lake Powell, Houseboating, Glen Canyon, Striped Bass



Lake Powell

Lake Powell

For May 26th, 2019
Snowpack is 316% of avg
TotalPrecip is 124.00% of avg

Lake Powell is currently 450.14 feet deep at the dam
Water Summary
Today is day 238 of 365 for the Water Year 2019. We are 65% through the Water Year.
Last Reading: 3582.14 on May 25, 2019
Powell was last within 2" of this elevation on Dec 29, 2018
There are currently 3,298,911,720,910 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 117.86 feet below Full Pool (Elevation 3,700)

By content, Lake Powell is 41.62% of Full Pool (24,322,000 af)
Total inflows for water year 2019: 4,794,601 acre feet

This is 86.65% of the May 25th average of 5,533,134 acre feet
Total releases for water year 2019: 5,648,470 acre feet

This is 75.31% of the minimum required of 7,500,000 acre feet
During WY 2019, water storage has fallen by 892,286 AF and total outflows have exceeded total inflows by 853,869 AF
The 28 tracked reservoirs above Lake Powell are currently at 78.84% of capacity. Click for Details
Inflows for WY 2019 are 126.24% of WY 2018         Rivers feeding Lake Powell are running at 61.95% of the May 26th avg. Click for Details


Powell is down -28.59 feet from one year ago


View Acre Feet     Last 14 Measurements
Powell is up 5.34 feet over these measurements

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Sat, May 25, 2019
3582.14
0.40
10123975
30029
10782
n/a
n/a
n/a
Fri, May 24, 2019
3581.74
0.47
10089331
34509
12017
n/a
n/a
n/a
Thu, May 23, 2019
3581.27
0.47
10048724
34655
12222
0.0
0.0
59.0
Wed, May 22, 2019
3580.80
0.56
10008224
38451
11873
0.0
0.0
60.0
Tue, May 21, 2019
3580.24
0.51
9960109
36304
12139
0.0
0.0
61.0
Mon, May 20, 2019
3579.73
0.45
9916423
33436
12128
0.0
0.0
62.0
Sun, May 19, 2019
3579.28
0.51
9877980
34846
10813
0.0
0.0
62.0
Sat, May 18, 2019
3578.77
0.40
9834531
29734
10853
0.0
0.0
63.0
Fri, May 17, 2019
3578.37
0.30
9800541
26286
12062
67.0
50.0
63.0
Thu, May 16, 2019
3578.07
0.29
9775100
25793
12053
82.0
55.0
63.0
Wed, May 15, 2019
3577.78
0.26
9750548
24556
12219
87.0
59.0
64.0
Tue, May 14, 2019
3577.52
0.38
9728570
29762
11935
86.0
60.0
64.0
Mon, May 13, 2019
3577.14
0.34
9696508
27944
11988
85.0
57.0
65.0
Sun, May 12, 2019
3576.80
0.39
9667880
29029
10819
80.0
52.0
64.0
Averages of List
3578.81
0.40
9838761.50
30899.67
11758.67
40.58
27.75
62.5

Averages for May 26th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3643.24
0.40
16808715.26
37844.42
15014.74
84.66
59.18
66.3
All-Time
3627.59
0.46
15489218.00
38428.23
14868.04
84.71
58.65
66.3

Last 10 May 26th's data records

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Sat, May 26, 2018
3610.85
0.12
12816050
16056
8977
89.0
64.0
68.0
Fri, May 26, 2017
3616.09
0.44
13353082
36524
11175
86.0
64.0
66.0
Thu, May 26, 2016
3601.15
0.74
11860119
50859
11817
73.0
60.1
65.0
Tue, May 26, 2015
3595.29
0.37
11306193
31055
11894
81.0
57.0
64.0
Mon, May 26, 2014
3585.64
0.56
10430427
34577
7267
89.1
57.9
64.0
Sun, May 26, 2013
3598.24
0.16
11582947
16805
8140
87.1
63.0
66.0
Sat, May 26, 2012
3636.02
0.02
15538012
10974
9147
69.1
57.0
63.0
Thu, May 26, 2011
3620.41
0.44
13806717
45496
22243
86.0
66.0
63.0
Wed, May 26, 2010
3623.90
0.39
14180969
29233
9813
84.0
54.0
63.0
Tue, May 26, 2009
3625.59
0.77
14364850
49866
7980
80.1
55.9
68.0
Averages of List
3611.32
0.40
12923936.60
32144.50
10845.30
82.44
59.89
65.0


Accessibility of Primitive Launches and Other Sites
As of Saturday, May 25th, 2019 where elevation was 3582.14'

SITE/LAUNCH NAME MINIMUM SAFE
ELEVATION
ABSOLUTE MINIMUM
USABLE ELEVATION
CURRENT LEVEL VS.
ABSOLUTE MINIMUM
CURRENT ACCESSIBILITY
Halls Crossing Launch
3550.00
3548.00
34.14 Above
Open and Usable
Wahweap
3558.00
3556.00
26.14 Above
Open and Usable
Bullfrog (Main Launch)
3578.00
3576.00
6.14 Above
Open and Usable
Castle Rock Cut-Off
3583.00
3580.00
2.14 Above
Maybe, if you're lucky. Go slow and be watchful
Antelope Point
3588.00
3587.00
4.86 Below
Unusable, go to main marinas
Hite Marina
3650.00
3645.00
62.86 Below
Unusable, go to main marinas
Farley Canyon
3653.00
3649.00
66.86 Below
Unusable, go to main marinas
Copper Canyon
3663.00
3660.00
77.86 Below
Unusable, go to main marinas
Bullfrog to Halls Creek Cut-Off
3670.00
3668.00
85.86 Below
Unusable, use Main Channel
Gunsite Pass Cut-Off
3685.00
3680.00
97.86 Below
Unusable, use Main Channel
Piute Farms
3682.00
3680.00
97.86 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



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Copyright Summit Technologies, Inc.
Water data courtesy of US Bureau of Reclamation
*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