Lake Powell, Houseboating, Glen Canyon, Striped Bass


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Lake Powell

Lake Powell

For July 20th, 2017
Snowpack is 57% of avg
TotalPrecip is 112.00% of avg

Lake Powell is currently 503.41 feet deep at the dam
Water Summary
Today is day 294 of 365 for the Water Year 2017. We are 81% through the Water Year.
Last Reading: 3635.41 on Jul 19, 2017
Powell was last within 2" of this elevation on Jul 17, 2017
There are currently 5,040,134,023,726 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 64.59 feet below Full Pool (Elevation 3,700)

By content, Lake Powell is 63.6% of Full Pool (24,322,000 af)
Total inflows for water year 2017: 10,209,156 acre feet

This is 109.85% of the July 19th average of 9,293,807 acre feet
Total releases for water year 2017: 7,098,931 acre feet

This is 86.26% of the minimum required of 8,230,000 acre feet
During WY 2017, water storage has risen by 2,644,455 AF and total inflows have exceeded total outflows by 3,110,225 AF
The 28 tracked reservoirs above Lake Powell are currently at 89.94% of capacity. Click for Details
Inflows for WY 2017 are 114.8% of WY 2016         Rivers feeding Lake Powell are running at 89.13% of the Jul 20th avg. Click for Details



View Acre Feet     Last 14 Measurements

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
n/a
Tue, Jul 18, 2017
3635.51
-0.05
15479114
12395
14493
100.0
75.0
n/a
Mon, Jul 17, 2017
3635.56
-0.11
15484881
8564
14433
102.0
77.0
n/a
Sun, Jul 16, 2017
3635.67
-0.01
15497574
13432
13018
102.0
75.0
80.0
Sat, Jul 15, 2017
3635.68
-0.02
15498729
12944
13158
102.0
73.0
80.0
Fri, Jul 14, 2017
3635.70
-0.05
15501038
12340
14441
99.0
73.0
80.0
Thu, Jul 13, 2017
3635.75
0.01
15506811
15848
14176
99.0
69.0
80.0
Wed, Jul 12, 2017
3635.74
-0.06
15505656
11476
14205
97.0
73.0
80.0
Tue, Jul 11, 2017
3635.80
0.06
15512585
19121
14304
98.0
75.0
80.0
Mon, Jul 10, 2017
3635.74
0.00
15505656
16705
14404
99.0
78.0
81.0
Sun, Jul 09, 2017
3635.74
0.05
15505656
16720
12533
104.0
80.0
80.0
Sat, Jul 08, 2017
3635.69
0.06
15499883
17881
13067
105.0
78.0
80.0
Fri, Jul 07, 2017
3635.63
0.00
15492958
15333
14290
108.0
84.0
79.0
Thu, Jul 06, 2017
3635.63
0.10
15492958
21628
14303
106.0
78.0
78.0
Averages of List
3635.66
-0.01
15496505.86
14526.86
13932.29
101.00
75.79
79.8

Averages for July 21st

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3656.84
-0.08
18539721.70
15462.27
17415.92
97.94
70.76
79.5
All-Time
3641.41
-0.04
16709073.37
15625.26
15812.20
98.06
71.80
79.5

Last 10 July 21st's data records

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Thu, Jul 21, 2016
3619.95
-0.12
13757939
10062
16050
98.0
73.0
78.0
Tue, Jul 21, 2015
3614.04
-0.03
13141260
16605
17385
90.0
64.0
77.0
Mon, Jul 21, 2014
3609.17
-0.06
12646935
10977
13383
n/a
n/a
78.0
Sun, Jul 21, 2013
3596.17
-0.10
11388307
8372
12672
97.0
78.1
80.0
Sat, Jul 21, 2012
3630.08
-0.20
14861799
3101
14305
97.0
75.2
79.0
Thu, Jul 21, 2011
3659.92
0.21
18482124
51349
24192
n/a
n/a
n/a
Wed, Jul 21, 2010
3637.53
-0.13
15713321
8296
13394
95.0
75.9
83.0
Tue, Jul 21, 2009
3641.97
-0.08
16236878
13303
13652
88.0
71.1
n/a
Mon, Jul 21, 2008
3633.56
-0.02
15255369
15546
14703
89.1
66.9
80.0
Sat, Jul 21, 2007
3608.67
-0.13
12596883
5135
12751
99.0
77.0
81.0
Averages of List
3625.11
-0.07
14408081.50
14274.60
15248.70
94.14
72.65
79.5


Accessibility of Primitive Launches and Other Sites
As of Wednesday, July 19th, 2017 where elevation was 3635.41'

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
55.41 Above
Open and Usable
Antelope Point
3592.00
3590.00
45.41 Above
Open and Usable
Hite Marina
3650.00
3645.00
9.59 Below
Unusable, go to main marinas
Farley Canyon
3653.00
3649.00
13.59 Below
Unusable, go to main marinas
Copper Canyon
3663.00
3660.00
24.59 Below
Unusable, go to main marinas
Bullfrog to Halls Creek Cut-Off
3670.00
3668.00
32.59 Below
Unusable, use Main Channel
Piute Farms
3682.00
3680.00
44.59 Below
Unusable, go to main marinas
Gunsite Pass Cut-Off
3685.00
3680.00
44.59 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



Page took 0.469 seconds to create!
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