Lake Powell, Houseboating, Glen Canyon, Striped Bass



Lake Powell

Lake Powell

For December 12th, 2017
Snowpack is 57% of avg
TotalPrecip is 56.00% of avg

Lake Powell is currently 492.43 feet deep at the dam
Water Summary
Today is day 73 of 365 for the Water Year 2018. We are 20% through the Water Year.
Last Reading: 3624.43 on Dec 11, 2017
Powell was last within 2" of this elevation on Jun 9, 2017
There are currently 4,639,618,953,394 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 75.57 feet below Full Pool (Elevation 3,700)

By content, Lake Powell is 58.54% of Full Pool (24,322,000 af)
Total inflows for water year 2018: 1,122,365 acre feet

This is 81.84% of the December 11th average of 1,371,432 acre feet
Total releases for water year 2018: 1,527,793 acre feet

This is 18.56% of the minimum required of 8,230,000 acre feet
During WY 2018, water storage has risen by 1,415,321 AF yet total outflows have exceeded total inflows by 405,428 AF
The 28 tracked reservoirs above Lake Powell are currently at 81.55% of capacity. Click for Details
Inflows for WY 2018 are 112.89% of WY 2017         Rivers feeding Lake Powell are running at 128.12% of the Dec 12th avg. Click for Details


Powell is up 20.50 feet from one year ago


View Acre Feet     Last 14 Measurements
Powell is down -0.98 feet over these measurements

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
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
Thu, Nov 30, 2017
3625.29
-0.08
14332082
6915
11050
55.0
37.0
58.0
Wed, Nov 29, 2017
3625.37
-0.04
14340815
9162
10921
54.0
41.0
58.0
Tue, Nov 28, 2017
3625.41
-0.01
14345183
11022
10996
59.0
43.0
58.0
Averages of List
3624.93
-0.07
14292861.71
8103.43
11788.00
52.86
32.36
56.5

Averages for December 12th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3645.06
-0.13
17038976.76
8192.51
14446.81
47.29
30.23
53.6
All-Time
3630.93
-0.11
15434835.74
8577.41
13367.26
47.01
28.95
53.6

Last 10 December 12th's data records

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
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
Wed, Dec 12, 2007
3597.39
-0.13
11502760
8571
13608
41.0
27.0
55.0
Averages of List
3612.63
-0.18
13071789.80
5600.70
14070.00
45.07
32.74
54.2


Accessibility of Primitive Launches and Other Sites
As of Monday, December 11th, 2017 where elevation was 3624.43'

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
44.43 Above
Open and Usable
Antelope Point
3592.00
3590.00
34.43 Above
Open and Usable
Hite Marina
3650.00
3645.00
20.57 Below
Unusable, go to main marinas
Farley Canyon
3653.00
3649.00
24.57 Below
Unusable, go to main marinas
Copper Canyon
3663.00
3660.00
35.57 Below
Unusable, go to main marinas
Bullfrog to Halls Creek Cut-Off
3670.00
3668.00
43.57 Below
Unusable, use Main Channel
Piute Farms
3682.00
3680.00
55.57 Below
Unusable, go to main marinas
Gunsite Pass Cut-Off
3685.00
3680.00
55.57 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