Lake Powell, Houseboating, Glen Canyon, Striped Bass



Lake Powell

Lake Powell

For June 20th, 2018
Snowpack is 37% of avg
TotalPrecip is 69.00% of avg

Lake Powell is currently 479.49 feet deep at the dam
Water Summary
Today is day 263 of 365 for the Water Year 2018. We are 72% through the Water Year.
Last Reading: 3611.49 on Jun 19, 2018
Powell was last within 2" of this elevation on May 30, 2018
There are currently 4,197,248,592,858 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 88.51 feet below Full Pool (Elevation 3,700)

By content, Lake Powell is 52.96% of Full Pool (24,322,000 af)
Total inflows for water year 2018: 4,521,858 acre feet

This is 59.54% of the June 19th average of 7,595,251 acre feet
Total releases for water year 2018: 6,278,553 acre feet

This is 76.29% of the minimum required of 8,230,000 acre feet
During WY 2018, water storage has fallen by 1,794,671 AF and total outflows have exceeded total inflows by 1,756,695 AF
The 28 tracked reservoirs above Lake Powell are currently at 80.67% of capacity. Click for Details
Inflows for WY 2018 are 51.04% of WY 2017         Rivers feeding Lake Powell are running at 30.89% of the Jun 20th avg. Click for Details


Powell is down -19.41 feet from one year ago


View Acre Feet     Last 14 Measurements
Powell is down -0.62 feet over these measurements

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Tue, Jun 19, 2018
3611.49
-0.09
12880866
9946
14158
95.0
63.0
73.0
Mon, Jun 18, 2018
3611.58
-0.14
12889998
7013
13991
91.0
66.0
73.0
Sun, Jun 17, 2018
3611.72
-0.08
12904211
6073
9736
90.0
69.0
74.0
Sat, Jun 16, 2018
3611.80
-0.04
12912338
8314
9764
82.0
73.0
73.0
Fri, Jun 15, 2018
3611.84
-0.15
12916403
6440
13980
95.0
77.0
73.0
Thu, Jun 14, 2018
3611.99
-0.03
12931653
13190
14088
100.0
75.0
74.0
Wed, Jun 13, 2018
3612.02
-0.11
12934705
8638
13968
100.0
73.0
74.0
Tue, Jun 12, 2018
3612.13
-0.07
12945897
11105
14221
100.0
69.0
73.0
Mon, Jun 11, 2018
3612.20
-0.05
12953023
12022
14030
97.0
66.0
73.0
Sun, Jun 10, 2018
3612.25
0.07
12958115
14532
9886
95.0
72.0
73.0
Sat, Jun 09, 2018
3612.18
0.04
12950987
12903
9921
97.0
66.0
73.0
Fri, Jun 08, 2018
3612.14
0.03
12946915
16358
13931
97.0
66.0
73.0
Thu, Jun 07, 2018
3612.11
0.00
12943862
14871
14107
96.0
64.0
72.0
Wed, Jun 06, 2018
3612.11
0.04
12943862
16867
13886
95.0
69.0
72.0
Averages of List
3611.97
-0.04
12929488.21
11305.14
12833.36
95.00
69.14
73.0

Averages for June 20th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3653.41
0.24
18051649.95
36047.19
17304.35
96.08
66.81
73.1
All-Time
3638.27
0.31
16669492.80
37004.51
16157.11
95.79
66.16
73.1

Last 10 June 20th's data records

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Tue, Jun 20, 2017
3631.33
0.43
15002322
40998
13745
108.0
75.0
75.0
Mon, Jun 20, 2016
3616.14
0.51
13358276
43310
13711
106.0
73.0
76.0
Sat, Jun 20, 2015
3609.31
0.63
12660971
47886
12789
92.0
64.0
78.0
Fri, Jun 20, 2014
3605.90
0.48
12322032
37043
10601
96.1
64.9
69.0
Thu, Jun 20, 2013
3601.13
-0.04
11858199
0
13806
95.0
68.0
74.0
Wed, Jun 20, 2012
3635.37
-0.13
15462973
5277
12539
97.0
73.9
74.0
Mon, Jun 20, 2011
3641.57
0.93
16189201
87778
23557
84.9
59.0
67.0
Sun, Jun 20, 2010
3637.14
0.29
15667910
35775
9605
91.9
64.0
73.0
Sat, Jun 20, 2009
3637.53
0.31
15713321
30230
11299
84.9
71.1
70.0
Fri, Jun 20, 2008
3626.40
0.59
14453586
51939
13611
97.0
69.1
73.0
Averages of List
3624.18
0.40
14268879.10
38023.60
13526.30
95.28
68.20
72.9


Accessibility of Primitive Launches and Other Sites
As of Tuesday, June 19th, 2018 where elevation was 3611.49'

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
31.49 Above
Open and Usable
Antelope Point
3592.00
3590.00
21.49 Above
Open and Usable
Hite Marina
3650.00
3645.00
33.51 Below
Unusable, go to main marinas
Farley Canyon
3653.00
3649.00
37.51 Below
Unusable, go to main marinas
Copper Canyon
3663.00
3660.00
48.51 Below
Unusable, go to main marinas
Bullfrog to Halls Creek Cut-Off
3670.00
3668.00
56.51 Below
Unusable, use Main Channel
Piute Farms
3682.00
3680.00
68.51 Below
Unusable, go to main marinas
Gunsite Pass Cut-Off
3685.00
3680.00
68.51 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