Lake Powell, Houseboating, Glen Canyon, Striped Bass



Lake Powell

Lake Powell

For November 21st, 2017
Snowpack is 87% of avg
TotalPrecip is 68.00% of avg

Lake Powell is currently 493.79 feet deep at the dam
Water Summary
Today is day 52 of 365 for the Water Year 2018. We are 14% through the Water Year.
Last Reading: 3625.79 on Nov 20, 2017
Powell was last within 2" of this elevation on Jun 11, 2017
There are currently 4,687,935,225,731 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 74.21 feet below Full Pool (Elevation 3,700)

By content, Lake Powell is 59.15% of Full Pool (24,322,000 af)
Total inflows for water year 2018: 787,735 acre feet

This is 79.48% of the November 20th average of 991,139 acre feet
Total releases for water year 2018: 1,055,781 acre feet

This is 12.83% of the minimum required of 8,230,000 acre feet
During WY 2018, water storage has risen by 1,563,598 AF yet total outflows have exceeded total inflows by 268,046 AF
The 28 tracked reservoirs above Lake Powell are currently at 82.5% of capacity. Click for Details
Inflows for WY 2018 are 107.38% of WY 2017         Rivers feeding Lake Powell are running at 111.77% of the Nov 21st avg. Click for Details


Powell is up 19.57 feet from one year ago


View Acre Feet     Last 14 Measurements
Powell is down -0.88 feet over these measurements

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Mon, Nov 20, 2017
3625.79
-0.05
14386726
8432
10790
50.0
32.0
n/a
Sun, Nov 19, 2017
3625.84
-0.14
14392199
4594
9338
51.0
28.0
n/a
Sat, Nov 18, 2017
3625.93
0.09
14402053
7569
9929
50.0
34.0
n/a
Fri, Nov 17, 2017
3625.98
-0.08
14407530
6512
10663
70.0
44.0
60.0
Thu, Nov 16, 2017
3626.06
-0.07
14416297
7689
11244
64.0
41.0
61.0
Wed, Nov 15, 2017
3626.13
-0.09
14423970
6382
11133
62.0
41.0
61.0
Tue, Nov 14, 2017
3626.22
-0.05
14433841
8581
10945
66.0
39.0
62.0
Mon, Nov 13, 2017
3626.27
-0.11
14439327
4622
10572
63.0
42.0
62.0
Sun, Nov 12, 2017
3626.38
-0.02
14451401
8346
8917
59.0
41.0
63.0
Sat, Nov 11, 2017
3626.40
-0.01
14453597
10325
10298
66.0
42.0
63.0
Fri, Nov 10, 2017
3626.41
-0.05
14454695
7476
9841
64.0
41.0
63.0
Thu, Nov 09, 2017
3626.46
-0.09
14460186
6355
11114
61.0
37.0
63.0
Wed, Nov 08, 2017
3626.55
-0.12
14470075
4487
11045
55.0
37.0
64.0
Tue, Nov 07, 2017
3626.67
-0.01
14483267
11148
11121
68.0
48.0
63.0
Averages of List
3626.22
-0.06
14433940.29
7322.71
10496.43
60.64
39.07
62.2

Averages for November 21st

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3648.22
-0.10
17417442.97
9565.19
14147.94
55.93
34.72
58.6
All-Time
3633.06
-0.09
15682697.36
9673.15
13108.60
55.08
34.66
58.6

Last 10 November 21st's data records

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Mon, Nov 21, 2016
3606.17
-0.05
12348646
6383
8521
52.0
43.0
60.0
Sat, Nov 21, 2015
3605.95
-0.03
12326958
8913
9976
52.0
34.0
60.0
Thu, Nov 21, 2013
3587.62
0.06
10606427
10572
7170
55.0
45.0
57.0
Wed, Nov 21, 2012
3616.37
-0.69
13382186
1194
39757
59.0
39.0
58.0
Mon, Nov 21, 2011
3647.42
-0.23
16896706
9410
20919
59.0
44.1
59.0
Sun, Nov 21, 2010
3631.60
-0.05
15032800
7640
12780
55.9
34.0
59.0
Sat, Nov 21, 2009
3631.79
-0.09
15054274
7888
11001
57.9
34.0
59.0
Fri, Nov 21, 2008
3622.46
-0.06
14025655
7402
10249
55.9
34.0
60.0
Wed, Nov 21, 2007
3599.37
-0.08
11690089
7629
10339
48.0
34.0
59.0
Tue, Nov 21, 2006
3607.21
-0.06
12451512
9186
10236
57.0
36.0
59.0
Averages of List
3616.53
-0.14
13484860.11
7447.89
14523.56
54.97
37.90
59.0


Accessibility of Primitive Launches and Other Sites
As of Monday, November 20th, 2017 where elevation was 3625.79'

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
45.79 Above
Open and Usable
Antelope Point
3592.00
3590.00
35.79 Above
Open and Usable
Hite Marina
3650.00
3645.00
19.21 Below
Unusable, go to main marinas
Farley Canyon
3653.00
3649.00
23.21 Below
Unusable, go to main marinas
Copper Canyon
3663.00
3660.00
34.21 Below
Unusable, go to main marinas
Bullfrog to Halls Creek Cut-Off
3670.00
3668.00
42.21 Below
Unusable, use Main Channel
Piute Farms
3682.00
3680.00
54.21 Below
Unusable, go to main marinas
Gunsite Pass Cut-Off
3685.00
3680.00
54.21 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 - 2017



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Lake Powell, Houseboating, Glen Canyon, Striped Bass