Lake Powell, Houseboating, Glen Canyon, Striped Bass



Lake Powell

Lake Powell

For February 22nd, 2019
Snowpack is 117% of avg
TotalPrecip is 113.00% of avg

Lake Powell is currently 441.19 feet deep at the dam
Water Summary
Today is day 146 of 365 for the Water Year 2019. We are 40% through the Water Year.
Last Reading: 3573.19 on Feb 21, 2019
Powell was last within 2" of this elevation on May 21, 2005
There are currently 3,052,371,878,026 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 126.81 feet below Full Pool (Elevation 3,700)

By content, Lake Powell is 38.51% of Full Pool (24,322,000 af)
Total inflows for water year 2019: 1,667,084 acre feet

This is 64.9% of the February 21st average of 2,568,589 acre feet
Total releases for water year 2019: 3,367,311 acre feet

This is 40.92% of the minimum required of 8,230,000 acre feet
During WY 2019, water storage has fallen by 1,648,888 AF and total outflows have exceeded total inflows by 1,700,227 AF
The 28 tracked reservoirs above Lake Powell are currently at 65.15% of capacity. Click for Details
Inflows for WY 2019 are 77.53% of WY 2018         Rivers feeding Lake Powell are running at 97.14% of the Feb 23rd avg. Click for Details


Powell is down -43.67 feet from one year ago


View Acre Feet     Last 14 Measurements
Powell is down -1.75 feet over these measurements

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Thu, Feb 21, 2019
3573.19
-0.14
9367373
7572
13731
n/a
n/a
n/a
Wed, Feb 20, 2019
3573.33
-0.10
9378909
8917
13285
0.0
0.0
45.0
Tue, Feb 19, 2019
3573.43
-0.18
9387155
5636
13602
0.0
0.0
45.0
Mon, Feb 18, 2019
3573.61
-0.13
9402010
7807
13532
0.0
0.0
45.0
Sun, Feb 17, 2019
3573.74
-0.07
9412749
8933
11961
0.0
0.0
45.0
Sat, Feb 16, 2019
3573.81
-0.15
9418535
5908
12540
0.0
0.0
45.0
Fri, Feb 15, 2019
3573.96
-0.10
9430940
8323
12932
0.0
0.0
45.0
Thu, Feb 14, 2019
3574.06
-0.11
9439631
7927
12539
0.0
0.0
45.0
Wed, Feb 13, 2019
3574.17
-0.18
9448327
4794
12794
0.0
0.0
45.0
Tue, Feb 12, 2019
3574.35
-0.14
9463246
6896
13097
0.0
0.0
45.0
Mon, Feb 11, 2019
3574.49
-0.16
9474862
5380
12489
0.0
0.0
45.0
Sun, Feb 10, 2019
3574.65
-0.16
9488147
5010
12127
0.0
0.0
45.0
Sat, Feb 09, 2019
3574.81
-0.13
9501446
6536
12300
0.0
0.0
45.0
Fri, Feb 08, 2019
3574.94
-0.12
9512260
5811
11125
0.0
0.0
45.0
Averages of List
3574.10
-0.13
9442939.77
6759.85
12640.23
0.00
0.00
45.0

Averages for February 23rd

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3636.91
-0.06
16067140.95
9139.47
13929.29
54.08
33.11
48.0
All-Time
3620.79
-0.03
14706692.75
9598.75
12245.15
54.11
33.02
48.0

Last 10 February 23rd's data records

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Fri, Feb 23, 2018
3616.60
0.18
13406123
5298
13068
37.0
28.0
47.0
Thu, Feb 23, 2017
3594.34
-0.04
11217969
11902
13774
46.0
37.0
49.0
Tue, Feb 23, 2016
3594.68
-0.07
11249494
9733
13130
53.1
37.0
50.0
Mon, Feb 23, 2015
3592.47
-0.10
11045589
6124
10976
37.0
30.0
49.0
Sun, Feb 23, 2014
3576.07
-0.09
9606604
5837
9817
64.0
39.0
47.0
Sat, Feb 23, 2013
3602.09
-0.08
11950585
6053
10103
48.9
30.0
45.0
Thu, Feb 23, 2012
3635.65
-0.02
15495266
10305
11371
60.1
39.9
49.0
Wed, Feb 23, 2011
3615.72
-0.15
13314687
7949
15647
48.9
30.0
45.0
Tue, Feb 23, 2010
3620.58
-0.07
13824776
7183
11747
43.0
26.1
50.0
Mon, Feb 23, 2009
3612.44
-0.09
12977475
6073
10915
64.0
45.0
49.0
Averages of List
3606.06
-0.05
12408856.80
7645.70
12054.80
50.20
34.20
48.0


Accessibility of Primitive Launches and Other Sites
As of Thursday, February 21st, 2019 where elevation was 3573.19'

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
6.81 Below
Unusable, use Main Channel
Antelope Point
3592.00
3590.00
16.81 Below
Unusable, go to main marinas
Hite Marina
3650.00
3645.00
71.81 Below
Unusable, go to main marinas
Farley Canyon
3653.00
3649.00
75.81 Below
Unusable, go to main marinas
Copper Canyon
3663.00
3660.00
86.81 Below
Unusable, go to main marinas
Bullfrog to Halls Creek Cut-Off
3670.00
3668.00
94.81 Below
Unusable, use Main Channel
Piute Farms
3682.00
3680.00
106.81 Below
Unusable, go to main marinas
Gunsite Pass Cut-Off
3685.00
3680.00
106.81 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 - 2019



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Lake Powell, Houseboating, Glen Canyon, Striped Bass