Lake Powell, Houseboating, Glen Canyon, Striped Bass



Lake Powell

Lake Powell

For December 17th, 2017
Snowpack is 54% of avg
TotalPrecip is 54.00% of avg

Lake Powell is currently 491.99 feet deep at the dam
Water Summary
Today is day 79 of 365 for the Water Year 2018. We are 22% through the Water Year.
Last Reading: 3623.99 on Dec 16, 2017
Powell was last within 2" of this elevation on Aug 28, 2012
There are currently 4,624,065,412,985 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 76.01 feet below Full Pool (Elevation 3,700)

By content, Lake Powell is 58.35% of Full Pool (24,322,000 af)
Total inflows for water year 2018: 1,197,667 acre feet

This is 82.32% of the December 16th average of 1,454,837 acre feet
Total releases for water year 2018: 1,649,919 acre feet

This is 20.05% of the minimum required of 8,230,000 acre feet
During WY 2018, water storage has risen by 1,367,589 AF yet total outflows have exceeded total inflows by 452,252 AF
The 28 tracked reservoirs above Lake Powell are currently at 81.25% of capacity. Click for Details
Inflows for WY 2018 are 115.15% of WY 2017         Rivers feeding Lake Powell are running at 134.62% of the Dec 18th avg. Click for Details


Powell is up 21.01 feet from one year ago


View Acre Feet     Last 14 Measurements
Powell is down -1.08 feet over these measurements

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Sat, Dec 16, 2017
3623.99
-0.07
14190717
8310
11965
43.0
30.0
n/a
Fri, Dec 15, 2017
3624.06
-0.11
14198303
6378
12396
48.0
28.0
n/a
Thu, Dec 14, 2017
3624.17
-0.04
14210230
10471
12357
55.0
33.0
n/a
Wed, Dec 13, 2017
3624.21
-0.13
14214569
5197
12401
51.0
28.0
55.0
Tue, Dec 12, 2017
3624.34
-0.09
14228676
7608
12452
50.0
26.0
55.0
Mon, Dec 11, 2017
3624.43
-0.08
14238449
8232
12487
48.0
25.0
55.0
Sun, Dec 10, 2017
3624.51
-0.08
14247140
7076
11332
48.0
26.0
55.0
Sat, Dec 09, 2017
3624.59
-0.06
14255835
8808
11882
50.0
28.0
55.0
Fri, Dec 08, 2017
3624.65
-0.08
14262359
8073
12333
50.0
27.0
55.0
Thu, Dec 07, 2017
3624.73
-0.09
14271061
7495
12350
46.0
28.0
56.0
Wed, Dec 06, 2017
3624.82
-0.06
14280855
9078
12156
48.0
26.0
56.0
Tue, Dec 05, 2017
3624.88
-0.07
14287387
8574
12246
45.0
25.0
57.0
Mon, Dec 04, 2017
3624.95
-0.12
14295011
5876
12516
46.0
33.0
57.0
Sun, Dec 03, 2017
3625.07
-0.05
14308087
8520
11009
69.0
39.0
57.0
Averages of List
3624.53
-0.08
14249191.36
7835.43
12134.43
49.79
28.71
55.7

Averages for December 18th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3644.39
-0.11
16958688.86
8496.38
14276.97
46.18
27.84
51.9
All-Time
3630.34
-0.10
15367823.33
8681.57
13337.00
45.64
26.96
51.9

Last 10 December 18th's data records

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Sun, Dec 18, 2016
3602.76
-0.10
12015351
8530
13390
37.0
21.0
53.0
Fri, Dec 18, 2015
3602.82
-0.10
12021162
10011
14873
44.1
26.1
52.0
Thu, Dec 18, 2014
3599.46
-0.13
11698637
8166
14497
46.9
37.0
55.0
Wed, Dec 18, 2013
3585.72
-0.04
10437501
8544
10101
39.9
28.4
49.0
Tue, Dec 18, 2012
3612.18
-0.17
12950987
4498
13485
48.0
35.6
52.0
Sun, Dec 18, 2011
3642.09
-0.22
16251201
6549
20323
37.9
33.8
53.0
Sat, Dec 18, 2010
3627.98
-0.10
14627852
6897
13682
45.0
37.9
53.0
Fri, Dec 18, 2009
3628.18
-0.16
14650017
7750
15435
44.1
28.0
53.0
Thu, Dec 18, 2008
3619.71
-0.19
13732538
6835
13104
42.1
28.9
54.0
Tue, Dec 18, 2007
3596.65
-0.15
11433246
7231
13633
43.0
27.0
53.0
Averages of List
3611.76
-0.14
12981849.20
7501.10
14252.30
42.80
30.37
52.7


Accessibility of Primitive Launches and Other Sites
As of Saturday, December 16th, 2017 where elevation was 3623.99'

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
43.99 Above
Open and Usable
Antelope Point
3592.00
3590.00
33.99 Above
Open and Usable
Hite Marina
3650.00
3645.00
21.01 Below
Unusable, go to main marinas
Farley Canyon
3653.00
3649.00
25.01 Below
Unusable, go to main marinas
Copper Canyon
3663.00
3660.00
36.01 Below
Unusable, go to main marinas
Bullfrog to Halls Creek Cut-Off
3670.00
3668.00
44.01 Below
Unusable, use Main Channel
Piute Farms
3682.00
3680.00
56.01 Below
Unusable, go to main marinas
Gunsite Pass Cut-Off
3685.00
3680.00
56.01 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