Lake Powell, Houseboating, Glen Canyon, Striped Bass



Lake Powell

Lake Powell

For August 13th, 2018
Snowpack is 67% of avg
TotalPrecip is 68.00% of avg

Lake Powell is currently 469.18 feet deep at the dam
Water Summary
Today is day 318 of 365 for the Water Year 2018. We are 87% through the Water Year.
Last Reading: 3601.18 on Aug 12, 2018
Powell was last within 2" of this elevation on Dec 28, 2016
There are currently 3,865,575,176,376 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 98.82 feet below Full Pool (Elevation 3,700)

By content, Lake Powell is 48.77% of Full Pool (24,322,000 af)
Total inflows for water year 2018: 4,976,709 acre feet

This is 50.74% of the August 12th average of 9,808,802 acre feet
Total releases for water year 2018: 7,754,467 acre feet

This is 94.22% of the minimum required of 8,230,000 acre feet
During WY 2018, water storage has fallen by 2,812,538 AF and total outflows have exceeded total inflows by 2,777,758 AF
The 28 tracked reservoirs above Lake Powell are currently at 74.59% of capacity. Click for Details
Inflows for WY 2018 are 46.19% of WY 2017         Rivers feeding Lake Powell are running at 52.18% of the Aug 13th avg. Click for Details


Powell is down -32.32 feet from one year ago


View Acre Feet     Last 14 Measurements
Powell is down -2.85 feet over these measurements

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Sun, Aug 12, 2018
3601.18
-0.15
11862999
2797
9820
n/a
n/a
n/a
Sat, Aug 11, 2018
3601.33
-0.21
11877406
1373
11544
n/a
n/a
n/a
Fri, Aug 10, 2018
3601.54
-0.23
11897596
4571
15803
n/a
n/a
n/a
Thu, Aug 09, 2018
3601.77
-0.29
11919736
1290
15686
0.0
0.0
79.0
Wed, Aug 08, 2018
3602.06
-0.21
11947691
5439
15650
0.0
0.0
79.0
Tue, Aug 07, 2018
3602.27
-0.25
11967962
3466
15794
0.0
0.0
79.0
Mon, Aug 06, 2018
3602.52
-1.07
11992124
4914
15677
0.0
0.0
79.0
Sun, Aug 05, 2018
3602.74
0.22
12013414
3336
11473
0.0
0.0
79.0
Sat, Aug 04, 2018
3602.91
0.39
12029883
3389
11533
0.0
0.0
79.0
Fri, Aug 03, 2018
3603.08
0.56
12046367
3444
14239
0.0
0.0
79.0
Thu, Aug 02, 2018
3603.30
0.78
12067722
1229
15744
0.0
0.0
79.0
Wed, Aug 01, 2018
3603.59
-0.21
12095911
5419
15712
0.0
0.0
79.0
Tue, Jul 31, 2018
3603.80
-0.23
12116351
3999
15366
0.0
0.0
79.0
Mon, Jul 30, 2018
3604.03
-0.18
12138765
6227
14950
0.0
0.0
79.0
Averages of List
3602.92
-0.04
12030538.73
3832.00
14711.27
0.00
0.00
79.0

Averages for August 14th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3653.57
-0.14
18121757.95
9740.97
16477.18
95.48
69.39
79.8
All-Time
3639.15
-0.12
16413210.82
9887.25
15062.05
95.46
69.75
79.8

Last 10 August 14th's data records

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Mon, Aug 14, 2017
3633.27
-0.13
15222291
7908
14955
93.0
69.0
80.0
Sun, Aug 14, 2016
3616.43
-0.13
13388427
6952
13408
100.0
70.0
81.0
Fri, Aug 14, 2015
3611.48
-0.13
12879851
7122
13423
97.0
72.0
79.0
Thu, Aug 14, 2014
3607.28
-0.07
12458460
10563
13488
88.0
66.0
78.0
Wed, Aug 14, 2013
3591.97
-0.17
10999786
5852
13552
97.0
71.1
77.0
Tue, Aug 14, 2012
3626.19
-0.10
14430550
7571
12569
96.1
75.0
80.0
Sun, Aug 14, 2011
3659.04
-0.19
18367228
14721
24675
93.0
73.9
79.0
Sat, Aug 14, 2010
3636.14
-0.09
15551893
9326
12730
97.0
64.9
81.0
Fri, Aug 14, 2009
3639.56
-0.11
15951180
8566
13290
93.0
66.9
n/a
Thu, Aug 14, 2008
3631.84
-0.12
15059928
11476
14738
102.0
70.0
80.0
Averages of List
3625.32
-0.12
14430959.40
9005.70
14682.80
95.61
69.88
79.4


Accessibility of Primitive Launches and Other Sites
As of Sunday, August 12th, 2018 where elevation was 3601.18'

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
21.18 Above
Open and Usable
Antelope Point
3592.00
3590.00
11.18 Above
Open and Usable
Hite Marina
3650.00
3645.00
43.82 Below
Unusable, go to main marinas
Farley Canyon
3653.00
3649.00
47.82 Below
Unusable, go to main marinas
Copper Canyon
3663.00
3660.00
58.82 Below
Unusable, go to main marinas
Bullfrog to Halls Creek Cut-Off
3670.00
3668.00
66.82 Below
Unusable, use Main Channel
Piute Farms
3682.00
3680.00
78.82 Below
Unusable, go to main marinas
Gunsite Pass Cut-Off
3685.00
3680.00
78.82 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