Lake Powell, Houseboating, Glen Canyon, Striped Bass



Lake Powell

Lake Powell

For April 23rd, 2018
Snowpack is 116% of avg
TotalPrecip is 93.00% of avg

Lake Powell is currently 478.22 feet deep at the dam
Water Summary
Today is day 205 of 365 for the Water Year 2018. We are 56% through the Water Year.
Last Reading: 3610.22 on Apr 22, 2018
Powell was last within 2" of this elevation on May 16, 2017
There are currently 4,155,406,662,562 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 89.78 feet below Full Pool (Elevation 3,700)

By content, Lake Powell is 52.43% of Full Pool (24,322,000 af)
Total inflows for water year 2018: 2,945,878 acre feet

This is 75.19% of the April 22nd average of 3,917,957 acre feet
Total releases for water year 2018: 4,905,543 acre feet

This is 59.61% of the minimum required of 8,230,000 acre feet
During WY 2018, water storage has fallen by 1,923,079 AF and total outflows have exceeded total inflows by 1,959,665 AF
The 28 tracked reservoirs above Lake Powell are currently at 76.9% of capacity. Click for Details
Inflows for WY 2018 are 70.54% of WY 2017         Rivers feeding Lake Powell are running at 39% of the Apr 23rd avg. Click for Details


Powell is up 8.68 feet from one year ago


View Acre Feet     Last 14 Measurements
Powell is down -1.19 feet over these measurements

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Sun, Apr 22, 2018
3610.22
-0.04
12752458
8756
10538
80.0
51.0
n/a
Sat, Apr 21, 2018
3610.26
-0.10
12756489
6561
11637
73.0
41.0
54.0
Fri, Apr 20, 2018
3610.36
-0.10
12766571
7777
12856
55.0
41.0
54.0
Thu, Apr 19, 2018
3610.46
-0.10
12776658
7235
12317
75.0
45.0
54.0
Wed, Apr 18, 2018
3610.56
-0.12
12786751
6504
12688
64.0
37.0
54.0
Tue, Apr 17, 2018
3610.68
-0.09
12798869
7052
11589
64.0
44.0
53.0
Mon, Apr 16, 2018
3610.77
-0.07
12807963
8792
12230
80.0
55.0
55.0
Sun, Apr 15, 2018
3610.84
-0.05
12815039
7328
9666
75.0
44.0
55.0
Sat, Apr 14, 2018
3610.89
-0.06
12820094
8705
11595
66.0
39.0
54.0
Fri, Apr 13, 2018
3610.95
-0.10
12826163
7131
12225
59.0
39.0
54.0
Thu, Apr 12, 2018
3611.05
-0.13
12836281
5338
12089
73.0
44.0
54.0
Wed, Apr 11, 2018
3611.18
-0.11
12849443
6591
12243
87.0
53.0
55.0
Tue, Apr 10, 2018
3611.29
-0.12
12860587
6193
12400
75.0
48.0
54.0
Mon, Apr 09, 2018
3611.41
-0.12
12872752
6064
12275
70.0
50.0
54.0
Averages of List
3610.78
-0.09
12809008.43
7144.79
11882.00
71.14
45.07
54.1

Averages for April 23rd

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3636.75
0.09
16059223.59
16409.24
12553.49
73.92
47.86
56.5
All-Time
3620.30
0.06
14701589.39
16017.47
12901.25
74.40
47.26
56.5

Last 10 April 23rd's data records

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Sun, Apr 23, 2017
3601.90
0.36
11932262
28492
9228
82.0
48.0
57.0
Sat, Apr 23, 2016
3591.67
0.06
10972363
14038
10692
70.0
57.9
59.0
Thu, Apr 23, 2015
3590.42
-0.05
10858569
8267
10379
73.0
52.0
59.0
Wed, Apr 23, 2014
3575.42
0.26
9552260
20631
8507
68.0
53.1
57.0
Tue, Apr 23, 2013
3597.10
-0.15
11475496
2143
9445
63.0
48.0
55.0
Mon, Apr 23, 2012
3635.85
-0.07
15518361
6746
10656
93.0
61.0
62.0
Sat, Apr 23, 2011
3610.47
0.16
12777667
20139
15444
66.0
51.1
54.0
Fri, Apr 23, 2010
3619.37
0.17
13696604
16632
10587
57.9
37.0
57.0
Thu, Apr 23, 2009
3609.92
0.06
12722249
13861
10223
84.0
55.9
58.0
Wed, Apr 23, 2008
3592.12
0.23
11013525
20530
13135
77.0
50.0
54.0
Averages of List
3602.42
0.10
12051935.60
15147.90
10829.60
73.39
51.40
57.2


Accessibility of Primitive Launches and Other Sites
As of Sunday, April 22nd, 2018 where elevation was 3610.22'

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
30.22 Above
Open and Usable
Antelope Point
3592.00
3590.00
20.22 Above
Open and Usable
Hite Marina
3650.00
3645.00
34.78 Below
Unusable, go to main marinas
Farley Canyon
3653.00
3649.00
38.78 Below
Unusable, go to main marinas
Copper Canyon
3663.00
3660.00
49.78 Below
Unusable, go to main marinas
Bullfrog to Halls Creek Cut-Off
3670.00
3668.00
57.78 Below
Unusable, use Main Channel
Piute Farms
3682.00
3680.00
69.78 Below
Unusable, go to main marinas
Gunsite Pass Cut-Off
3685.00
3680.00
69.78 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