Lake Powell, Houseboating, Glen Canyon, Striped Bass



Lake Powell

Lake Powell

For July 19th, 2018
Snowpack is 38% of avg
TotalPrecip is 69.00% of avg

Lake Powell is currently 474.43 feet deep at the dam
Water Summary
Today is day 293 of 365 for the Water Year 2018. We are 80% through the Water Year.
Last Reading: 3606.43 on Jul 18, 2018
Powell was last within 2" of this elevation on Nov 18, 2016
There are currently 4,032,186,596,389 gallons of water in Lake Powell!
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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 93.57 feet below Full Pool (Elevation 3,700)

By content, Lake Powell is 50.88% of Full Pool (24,322,000 af)
Total inflows for water year 2018: 4,802,202 acre feet

This is 52.33% of the July 18th average of 9,177,534 acre feet
Total releases for water year 2018: 7,058,660 acre feet

This is 85.77% of the minimum required of 8,230,000 acre feet
During WY 2018, water storage has fallen by 2,301,227 AF and total outflows have exceeded total inflows by 2,256,458 AF
The 28 tracked reservoirs above Lake Powell are currently at 78.21% of capacity. Click for Details
Inflows for WY 2018 are 46.79% of WY 2017         Rivers feeding Lake Powell are running at 42.21% of the Jul 19th avg. Click for Details


Powell is down -29.08 feet from one year ago


View Acre Feet     Last 14 Measurements
Powell is down -2.58 feet over these measurements

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Wed, Jul 18, 2018
3606.43
-0.22
12374310
4312
15298
n/a
n/a
n/a
Tue, Jul 17, 2018
3606.65
-0.27
12396053
1542
15238
n/a
n/a
n/a
Mon, Jul 16, 2018
3606.92
-0.13
12422774
9227
15383
0.0
0.0
79.0
Sun, Jul 15, 2018
3607.05
-0.17
12435652
2978
11299
0.0
0.0
79.0
Sat, Jul 14, 2018
3607.22
-0.12
12452508
5689
11314
0.0
0.0
79.0
Fri, Jul 13, 2018
3607.34
-0.24
12464414
3282
15403
0.0
0.0
79.0
Thu, Jul 12, 2018
3607.58
-0.22
12488251
4176
15228
0.0
0.0
78.0
Wed, Jul 11, 2018
3607.80
-0.15
12510128
8060
15329
0.0
0.0
79.0
Tue, Jul 10, 2018
3607.95
-0.29
12525059
460
15333
0.0
0.0
78.0
Mon, Jul 09, 2018
3608.24
-0.15
12553958
8107
15392
0.0
0.0
78.0
Sun, Jul 08, 2018
3608.39
-0.25
12568924
-1544
11187
0.0
0.0
78.0
Sat, Jul 07, 2018
3608.64
-0.11
12593893
6122
11244
0.0
0.0
77.0
Fri, Jul 06, 2018
3608.75
-0.26
12604889
2161
15461
0.0
0.0
76.0
Thu, Jul 05, 2018
3609.01
-0.22
12630907
4187
15321
0.0
0.0
75.0
Averages of List
3607.91
-0.19
12520946.42
4408.75
13991.17
0.00
0.00
77.9

Averages for July 20th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3656.44
-0.07
18477502.34
16615.76
16756.16
97.97
71.94
79.6
All-Time
3641.40
-0.05
16698820.29
16437.62
15746.44
97.59
71.40
79.6

Last 10 July 20th's data records

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Wed, Jul 19, 2017
3635.41
-0.10
15467583
8989
14227
93.0
73.0
80.0
Tue, Jul 19, 2016
3620.37
-0.14
13802470
8850
16008
95.0
73.0
76.0
Sun, Jul 19, 2015
3614.18
-0.02
13155655
15501
15723
82.9
64.0
78.0
Sat, Jul 19, 2014
3609.27
-0.05
12656960
10552
12412
n/a
n/a
78.0
Fri, Jul 19, 2013
3596.50
-0.12
11419197
8587
13915
98.1
75.9
80.0
Thu, Jul 19, 2012
3630.48
-0.15
14906663
6292
14459
93.9
75.2
79.0
Tue, Jul 19, 2011
3659.46
0.29
18422004
59047
23943
96.8
73.9
n/a
Mon, Jul 19, 2010
3637.76
-0.14
15740145
9165
13536
104.0
75.0
83.0
Sun, Jul 19, 2009
3642.11
-0.05
16253589
14375
12329
102.0
80.1
79.0
Sat, Jul 19, 2008
3633.61
-0.03
15261077
16670
14136
102.9
73.9
79.0
Averages of List
3627.92
-0.05
14708534.30
15802.80
15068.80
96.51
73.78
79.1


Accessibility of Primitive Launches and Other Sites
As of Wednesday, July 18th, 2018 where elevation was 3606.43'

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
26.43 Above
Open and Usable
Antelope Point
3592.00
3590.00
16.43 Above
Open and Usable
Hite Marina
3650.00
3645.00
38.57 Below
Unusable, go to main marinas
Farley Canyon
3653.00
3649.00
42.57 Below
Unusable, go to main marinas
Copper Canyon
3663.00
3660.00
53.57 Below
Unusable, go to main marinas
Bullfrog to Halls Creek Cut-Off
3670.00
3668.00
61.57 Below
Unusable, use Main Channel
Piute Farms
3682.00
3680.00
73.57 Below
Unusable, go to main marinas
Gunsite Pass Cut-Off
3685.00
3680.00
73.57 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