Lake Powell, Houseboating, Glen Canyon, Striped Bass


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Lake Powell

Lake Powell

For October 18th, 2017
Snowpack is 234% of avg
TotalPrecip is 68.00% of avg

Lake Powell is currently 495.85 feet deep at the dam
Water Summary
Today is day 19 of 365 for the Water Year 2018. We are 5% through the Water Year.
Last Reading: 3627.85 on Oct 18, 2017
Powell was last within 2" of this elevation on Oct 13, 2017
There are currently 4,761,815,846,080 gallons of water in Lake Powell!
Click for ...

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 72.15 feet below Full Pool (Elevation 3,700)

By content, Lake Powell is 60.08% of Full Pool (24,322,000 af)
Total inflows for water year 2018: 317,481 acre feet

This is 92.55% of the October 18th average of 343,040 acre feet
Total releases for water year 2018: 368,592 acre feet

This is 4.48% of the minimum required of 8,230,000 acre feet
During WY 2018, water storage has risen by 1,790,329 AF yet total outflows have exceeded total inflows by 51,111 AF
The 28 tracked reservoirs above Lake Powell are currently at 83.33% of capacity. Click for Details
Inflows for WY 2018 are 102.73% of WY 2017         Rivers feeding Lake Powell are running at 89.87% of the Oct 19th avg. Click for Details


Powell is up 17.64 feet from one year ago


View Acre Feet     Last 14 Measurements
Powell is down -0.36 feet over these measurements

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Wed, Oct 18, 2017
3627.85
-0.06
14613457
8070
11053
73.0
51.0
n/a
Tue, Oct 17, 2017
3627.91
-0.05
14620099
8668
11050
73.0
43.0
n/a
Mon, Oct 16, 2017
3627.96
-0.06
14625636
6593
9579
70.0
39.0
n/a
Sun, Oct 15, 2017
3628.02
-0.03
14632283
8204
9380
69.0
39.0
n/a
Sat, Oct 14, 2017
3628.05
0.04
14635607
12174
9127
73.0
48.0
n/a
Fri, Oct 13, 2017
3628.01
-0.06
14631175
8127
11113
78.0
48.0
n/a
Thu, Oct 12, 2017
3628.07
0.00
14637823
11014
10379
79.0
50.0
n/a
Wed, Oct 11, 2017
3628.07
-0.05
14637823
9031
11414
72.0
44.0
n/a
Tue, Oct 10, 2017
3628.12
-0.07
14643365
7821
11413
64.0
43.0
n/a
Mon, Oct 09, 2017
3628.19
-0.02
14651126
5227
10631
64.0
46.0
n/a
Sun, Oct 08, 2017
3628.29
0.10
14662218
16300
9022
84.0
50.0
n/a
Sat, Oct 07, 2017
3628.18
-0.01
14650017
8549
9726
77.0
46.0
68.0
Fri, Oct 06, 2017
3628.21
0.00
14653344
11219
10584
75.0
51.0
68.0
Thu, Oct 05, 2017
3628.21
-0.03
14653344
9512
10688
82.0
54.0
68.0
Averages of List
3628.08
-0.02
14639094.07
9322.07
10368.50
73.79
46.57
68.0

Averages for October 19th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3648.89
-0.02
17512356.41
10130.51
10864.05
71.07
47.64
67.1
All-Time
3634.01
0.01
15797234.67
10230.96
10059.07
71.12
47.89
67.1

Last 10 October 19th's data records

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Wed, Oct 19, 2016
3610.10
-0.11
12740368
4580
10052
68.0
52.0
67.0
Mon, Oct 19, 2015
3606.02
0.15
12333856
18696
10103
69.1
52.0
71.0
Sun, Oct 19, 2014
3606.09
0.03
12340756
9054
8507
n/a
n/a
n/a
Sat, Oct 19, 2013
3591.09
-0.01
10919468
7491
7493
68.0
43.0
65.0
Fri, Oct 19, 2012
3620.33
-0.05
13798225
5703
7992
75.0
48.0
67.0
Wed, Oct 19, 2011
3651.32
-0.11
17380586
10502
15493
72.0
46.9
68.0
Tue, Oct 19, 2010
3634.16
-0.03
15323968
7659
8003
70.0
51.1
69.0
Mon, Oct 19, 2009
3634.13
-0.04
15320533
8366
10009
82.9
57.0
67.0
Sun, Oct 19, 2008
3625.01
-0.06
14301548
7795
12180
77.0
50.0
66.0
Fri, Oct 19, 2007
3601.12
-0.05
11857250
8276
9938
71.1
43.0
65.0
Averages of List
3617.94
-0.03
13631655.80
8812.20
9977.00
72.57
49.22
67.2


Accessibility of Primitive Launches and Other Sites
As of Wednesday, October 18th, 2017 where elevation was 3627.85'

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
47.85 Above
Open and Usable
Antelope Point
3592.00
3590.00
37.85 Above
Open and Usable
Hite Marina
3650.00
3645.00
17.15 Below
Unusable, go to main marinas
Farley Canyon
3653.00
3649.00
21.15 Below
Unusable, go to main marinas
Copper Canyon
3663.00
3660.00
32.15 Below
Unusable, go to main marinas
Bullfrog to Halls Creek Cut-Off
3670.00
3668.00
40.15 Below
Unusable, use Main Channel
Piute Farms
3682.00
3680.00
52.15 Below
Unusable, go to main marinas
Gunsite Pass Cut-Off
3685.00
3680.00
52.15 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