Lake Powell, Houseboating, Glen Canyon, Striped Bass



Lake Powell

Lake Powell

For May 26th, 2018
Snowpack is 34% of avg
TotalPrecip is 72.00% of avg

Lake Powell is currently 478.73 feet deep at the dam
Water Summary
Today is day 238 of 365 for the Water Year 2018. We are 65% through the Water Year.
Last Reading: 3610.73 on May 25, 2018
Powell was last within 2" of this elevation on Apr 17, 2018
There are currently 4,172,175,954,653 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 89.27 feet below Full Pool (Elevation 3,700)

By content, Lake Powell is 52.64% of Full Pool (24,322,000 af)
Total inflows for water year 2018: 3,798,036 acre feet

This is 68.47% of the May 25th average of 5,546,810 acre feet
Total releases for water year 2018: 5,672,265 acre feet

This is 68.92% of the minimum required of 8,230,000 acre feet
During WY 2018, water storage has fallen by 1,871,616 AF and total outflows have exceeded total inflows by 1,874,229 AF
The 28 tracked reservoirs above Lake Powell are currently at 79.74% of capacity. Click for Details
Inflows for WY 2018 are 59.02% of WY 2017         Rivers feeding Lake Powell are running at 48.03% of the May 26th avg. Click for Details


Powell is down -4.92 feet from one year ago


View Acre Feet     Last 14 Measurements
Powell is up 1.42 feet over these measurements

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Fri, May 25, 2018
3610.73
0.04
12803921
15284
12609
91.0
62.0
68.0
Thu, May 24, 2018
3610.69
0.08
12799879
17427
12554
90.0
60.0
66.0
Wed, May 23, 2018
3610.61
0.11
12791799
20084
13565
84.0
55.0
66.0
Tue, May 22, 2018
3610.50
0.03
12780695
12829
10707
82.0
61.0
65.0
Mon, May 21, 2018
3610.47
0.12
12777667
19499
12436
84.0
59.0
66.0
Sun, May 20, 2018
3610.35
0.17
12765563
18949
9146
84.0
62.0
66.0
Sat, May 19, 2018
3610.18
0.20
12748427
20594
9156
86.0
60.0
65.0
Fri, May 18, 2018
3609.98
0.15
12728287
21007
12318
82.0
55.0
65.0
Thu, May 17, 2018
3609.83
0.12
12713196
19416
12376
88.0
59.0
65.0
Wed, May 16, 2018
3609.71
0.10
12701131
18600
12659
88.0
60.0
64.0
Tue, May 15, 2018
3609.61
0.12
12691083
19565
12534
84.0
57.0
63.0
Mon, May 14, 2018
3609.49
0.09
12679033
17826
12438
82.0
55.0
62.0
Sun, May 13, 2018
3609.40
0.09
12670000
14361
8976
72.0
53.0
62.0
Sat, May 12, 2018
3609.31
0.01
12660971
9988
8973
74.0
64.0
63.0
Averages of List
3610.06
0.10
12736546.57
17530.64
11460.50
83.64
58.71
64.7

Averages for May 26th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3644.11
0.40
16916625.14
38433.30
15177.92
84.54
59.05
66.2
All-Time
3627.90
0.46
15538721.11
38835.00
14975.15
84.63
58.55
66.2

Last 10 May 26th's data records

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
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
Mon, May 26, 2008
3606.88
1.00
12418801
64263
12329
70.0
52.0
64.0
Averages of List
3610.92
0.49
12884211.70
36965.20
11180.50
80.54
58.69
64.6


Accessibility of Primitive Launches and Other Sites
As of Friday, May 25th, 2018 where elevation was 3610.73'

SITE/LAUNCH NAME MINIMUM SAFE
ELEVATION
ABSOLUTE MINIMUM
USABLE ELEVATION
CURRENT LEVEL VS.
ABSOLUTE MINIMUM
CURRENT ACCESSIBILITY
Castle Rock Cut-Off
3583.00
3580.00
30.73 Above
Open and Usable
Antelope Point
3592.00
3590.00
20.73 Above
Open and Usable
Hite Marina
3650.00
3645.00
34.27 Below
Unusable, go to main marinas
Farley Canyon
3653.00
3649.00
38.27 Below
Unusable, go to main marinas
Copper Canyon
3663.00
3660.00
49.27 Below
Unusable, go to main marinas
Bullfrog to Halls Creek Cut-Off
3670.00
3668.00
57.27 Below
Unusable, use Main Channel
Piute Farms
3682.00
3680.00
69.27 Below
Unusable, go to main marinas
Gunsite Pass Cut-Off
3685.00
3680.00
69.27 Below
Unusable, use Main Channel
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 - 2018



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Lake Powell, Houseboating, Glen Canyon, Striped Bass