Lake Powell, Houseboating, Glen Canyon, Striped Bass



Lake Powell

Lake Powell

For December 11th, 2018
Snowpack is 102% of avg
TotalPrecip is 109.00% of avg

Lake Powell is currently 452.9 feet deep at the dam
Water Summary
Today is day 73 of 365 for the Water Year 2019. We are 20% through the Water Year.
Last Reading: 3584.90 on Dec 11, 2018
Powell was last within 2" of this elevation on Dec 27, 2013
There are currently 3,377,495,029,082 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 115.1 feet below Full Pool (Elevation 3,700)

By content, Lake Powell is 42.62% of Full Pool (24,322,000 af)
Total inflows for water year 2019: 899,664 acre feet

This is 66.01% of the December 11th average of 1,362,854 acre feet
Total releases for water year 2019: 1,548,487 acre feet

This is 18.82% of the minimum required of 8,230,000 acre feet
During WY 2019, water storage has fallen by 4,310,399 AF and total outflows have exceeded total inflows by 648,823 AF
The 28 tracked reservoirs above Lake Powell are currently at 67.04% of capacity. Click for Details
Inflows for WY 2019 are 80.16% of WY 2018         Rivers feeding Lake Powell are running at 113.79% of the Dec 12th avg. Click for Details


Powell is down -39.53 feet from one year ago


View Acre Feet     Last 14 Measurements
Powell is down -1.71 feet over these measurements

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Tue, Dec 11, 2018
3584.90
-0.14
10365138
6121
12467
n/a
n/a
n/a
Mon, Dec 10, 2018
3585.04
-0.15
10377469
5733
12565
n/a
n/a
n/a
Sun, Dec 09, 2018
3585.19
-0.43
10390692
5871
10786
n/a
n/a
n/a
Sat, Dec 08, 2018
3585.30
0.11
10400396
4301
11142
0.0
0.0
53.0
Fri, Dec 07, 2018
3585.45
0.26
10413638
4796
12606
0.0
0.0
53.0
Thu, Dec 06, 2018
3585.62
-0.17
10428659
4681
12497
0.0
0.0
53.0
Wed, Dec 05, 2018
3585.79
-0.15
10443693
5742
12602
0.0
0.0
54.0
Tue, Dec 04, 2018
3585.94
-0.18
10456971
4217
12530
0.0
0.0
54.0
Mon, Dec 03, 2018
3586.12
-0.12
10472918
7202
12625
0.0
0.0
54.0
Sun, Dec 02, 2018
3586.24
-0.17
10483559
2955
10798
0.0
0.0
54.0
Sat, Dec 01, 2018
3586.41
-0.09
10498645
7626
11606
0.0
0.0
55.0
Fri, Nov 30, 2018
3586.50
-0.08
10506637
4864
8254
0.0
0.0
55.0
Thu, Nov 29, 2018
3586.58
-0.03
10513745
7216
8188
0.0
0.0
56.0
Wed, Nov 28, 2018
3586.61
-0.07
10516411
5304
8212
0.0
0.0
56.0
Averages of List
3586.05
-0.06
10466842.91
5354.91
11005.45
0.00
0.00
54.2

Averages for December 12th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3644.51
-0.12
16965021.47
8177.13
14394.32
47.36
30.12
53.7
All-Time
3630.81
-0.10
15412905.56
8559.78
13350.62
47.06
28.90
53.7

Last 10 December 12th's data records

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Tue, Dec 12, 2017
3624.34
-0.09
14228676
7608
12452
50.0
26.0
55.0
Mon, Dec 12, 2016
3603.74
-0.19
12110509
4470
14130
61.0
42.0
n/a
Sat, Dec 12, 2015
3603.65
-0.16
12101749
6163
14228
48.9
35.1
55.0
Fri, Dec 12, 2014
3600.19
-0.21
11768208
3944
14462
48.9
44.1
56.0
Thu, Dec 12, 2013
3586.51
-0.21
10507526
340
10131
32.0
19.0
50.0
Wed, Dec 12, 2012
3613.14
-0.19
13048965
3341
13487
46.9
30.0
54.0
Mon, Dec 12, 2011
3643.28
-0.19
16393737
8454
20351
36.0
33.1
55.0
Sun, Dec 12, 2010
3628.71
-0.15
14708873
7375
13317
55.9
36.0
53.0
Sat, Dec 12, 2009
3629.22
-0.18
14765669
6131
13738
35.1
28.0
54.0
Fri, Dec 12, 2008
3620.44
-0.15
13809902
7218
13248
45.0
33.1
56.0
Averages of List
3615.32
-0.17
13344381.40
5504.40
13954.40
45.97
32.64
54.2


Accessibility of Primitive Launches and Other Sites
As of Tuesday, December 11th, 2018 where elevation was 3584.90'

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
4.9 Above
Open and Usable
Antelope Point
3592.00
3590.00
5.1 Below
Unusable, go to main marinas
Hite Marina
3650.00
3645.00
60.1 Below
Unusable, go to main marinas
Farley Canyon
3653.00
3649.00
64.1 Below
Unusable, go to main marinas
Copper Canyon
3663.00
3660.00
75.1 Below
Unusable, go to main marinas
Bullfrog to Halls Creek Cut-Off
3670.00
3668.00
83.1 Below
Unusable, use Main Channel
Piute Farms
3682.00
3680.00
95.1 Below
Unusable, go to main marinas
Gunsite Pass Cut-Off
3685.00
3680.00
95.1 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