Lake Powell, Houseboating, Glen Canyon, Striped Bass



Lake Powell

Lake Powell

For December 15th, 2017
Snowpack is 55% of avg
TotalPrecip is 55.00% of avg

Lake Powell is currently 492.17 feet deep at the dam
Water Summary
Today is day 76 of 365 for the Water Year 2018. We are 21% through the Water Year.
Last Reading: 3624.17 on Dec 14, 2017
Powell was last within 2" of this elevation on Aug 26, 2012
There are currently 4,630,423,751,919 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 75.83 feet below Full Pool (Elevation 3,700)

By content, Lake Powell is 58.43% of Full Pool (24,322,000 af)
Total inflows for water year 2018: 1,168,533 acre feet

This is 82.22% of the December 14th average of 1,421,272 acre feet
Total releases for water year 2018: 1,601,599 acre feet

This is 19.46% of the minimum required of 8,230,000 acre feet
During WY 2018, water storage has risen by 1,387,102 AF yet total outflows have exceeded total inflows by 433,066 AF
The 28 tracked reservoirs above Lake Powell are currently at 81.37% of capacity. Click for Details
Inflows for WY 2018 are 114.67% of WY 2017         Rivers feeding Lake Powell are running at 136.51% of the Dec 15th avg. Click for Details


Powell is up 20.84 feet from one year ago


View Acre Feet     Last 14 Measurements
Powell is down -1.03 feet over these measurements

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
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
Sat, Dec 02, 2017
3625.12
-0.08
14313538
7413
11683
61.0
39.0
57.0
Fri, Dec 01, 2017
3625.20
-0.09
14322262
7204
12071
61.0
36.0
57.0
Averages of List
3624.69
-0.08
14266818.50
7830.36
12091.07
52.00
29.93
55.9

Averages for December 15th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3644.73
-0.11
16999162.43
8467.08
14370.89
47.42
29.02
52.9
All-Time
3630.64
-0.09
15401672.65
8749.46
13254.69
46.42
27.81
52.9

Last 10 December 15th's data records

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Thu, Dec 15, 2016
3603.17
-0.16
12055100
6228
14272
75.0
45.0
55.0
Tue, Dec 15, 2015
3603.23
-0.09
12060925
10774
15118
43.0
33.1
54.0
Mon, Dec 15, 2014
3599.88
-0.12
11738632
8606
14430
44.1
30.9
56.0
Sun, Dec 15, 2013
3586.06
-0.13
10467601
2870
8774
43.0
25.0
49.0
Sat, Dec 15, 2012
3612.65
-0.21
12998894
2139
13373
41.0
35.1
54.0
Thu, Dec 15, 2011
3642.67
-0.18
16320558
9088
20295
42.1
28.9
54.0
Wed, Dec 15, 2010
3628.37
-0.10
14671097
7234
13864
55.9
39.0
52.0
Tue, Dec 15, 2009
3628.68
-0.18
14705537
6962
15291
42.1
28.0
53.0
Mon, Dec 15, 2008
3620.09
-0.10
13772771
6608
13270
30.9
21.9
54.0
Sat, Dec 15, 2007
3597.05
-0.11
11470803
8129
12049
36.0
21.9
54.0
Averages of List
3612.19
-0.14
13026191.80
6863.80
14073.60
45.31
30.88
53.5


Accessibility of Primitive Launches and Other Sites
As of Thursday, December 14th, 2017 where elevation was 3624.17'

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
44.17 Above
Open and Usable
Antelope Point
3592.00
3590.00
34.17 Above
Open and Usable
Hite Marina
3650.00
3645.00
20.83 Below
Unusable, go to main marinas
Farley Canyon
3653.00
3649.00
24.83 Below
Unusable, go to main marinas
Copper Canyon
3663.00
3660.00
35.83 Below
Unusable, go to main marinas
Bullfrog to Halls Creek Cut-Off
3670.00
3668.00
43.83 Below
Unusable, use Main Channel
Piute Farms
3682.00
3680.00
55.83 Below
Unusable, go to main marinas
Gunsite Pass Cut-Off
3685.00
3680.00
55.83 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