Lake Powell, Houseboating, Glen Canyon, Striped Bass



Lake Powell

Lake Powell

For February 18th, 2019
Snowpack is 115% of avg
TotalPrecip is 113.00% of avg

Lake Powell is currently 441.74 feet deep at the dam
Water Summary
Today is day 141 of 365 for the Water Year 2019. We are 39% through the Water Year.
Last Reading: 3573.74 on Feb 17, 2019
Powell was last within 2" of this elevation on Aug 24, 2004
There are currently 3,067,157,712,468 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 126.26 feet below Full Pool (Elevation 3,700)

By content, Lake Powell is 38.7% of Full Pool (24,322,000 af)
Total inflows for water year 2019: 1,607,714 acre feet

This is 64.44% of the February 17th average of 2,494,935 acre feet
Total releases for water year 2019: 3,259,904 acre feet

This is 39.61% of the minimum required of 8,230,000 acre feet
During WY 2019, water storage has fallen by 1,603,512 AF and total outflows have exceeded total inflows by 1,652,190 AF
The 28 tracked reservoirs above Lake Powell are currently at 65.29% of capacity. Click for Details
Inflows for WY 2019 are 76.74% of WY 2018         Rivers feeding Lake Powell are running at 111.41% of the Feb 18th avg. Click for Details


Powell is down -43.58 feet from one year ago


View Acre Feet     Last 14 Measurements
Powell is down -1.87 feet over these measurements

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Sun, Feb 17, 2019
3573.74
9412749
8933
11961
0.0
0.0
45.0
Sat, Feb 16, 2019
3573.81
9418535
5908
12540
0.0
0.0
45.0
Fri, Feb 15, 2019
3573.96
9430940
3588
12932
0.0
0.0
45.0
Thu, Feb 14, 2019
3574.17
9448327
12662
12539
0.0
0.0
45.0
Wed, Feb 13, 2019
3574.17
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
Thu, Feb 07, 2019
3575.06
-0.12
9522249
8282
13601
0.0
0.0
45.0
Wed, Feb 06, 2019
3575.18
-0.21
9532246
3846
13255
0.0
0.0
46.0
Tue, Feb 05, 2019
3575.39
-0.22
9549756
3710
13587
0.0
0.0
46.0
Mon, Feb 04, 2019
3575.61
-0.13
9568124
7822
13612
0.0
0.0
46.0
Averages of List
3574.60
-0.15
9483658.14
6369.86
12711.36
0.00
0.00
45.2

Averages for February 18th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3637.28
-0.07
16109795.34
8858.50
13565.92
55.42
35.51
48.2
All-Time
3621.01
-0.04
14732841.22
9162.91
11695.91
55.45
34.59
48.2

Last 10 February 18th's data records

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Sun, Feb 18, 2018
3617.16
0.03
13464522
4261
13191
63.0
34.0
48.0
Sat, Feb 18, 2017
3594.52
0.06
11234652
15905
12730
50.0
44.0
50.0
Thu, Feb 18, 2016
3595.01
-0.10
11280145
8268
13190
72.0
48.0
49.0
Wed, Feb 18, 2015
3592.67
-0.05
11063944
8559
10916
61.0
42.0
53.0
Tue, Feb 18, 2014
3576.58
-0.11
9649386
6267
11174
64.9
42.1
46.0
Mon, Feb 18, 2013
3602.67
-0.05
12006637
8516
10997
50.0
33.1
45.0
Sat, Feb 18, 2012
3635.93
-0.03
15527606
9456
11154
53.1
33.1
49.0
Fri, Feb 18, 2011
3616.62
-0.20
13408206
6852
17990
57.9
39.0
n/a
Thu, Feb 18, 2010
3620.89
-0.07
13857752
6648
11897
55.9
32.0
50.0
Wed, Feb 18, 2009
3612.85
-0.04
13019316
6927
11017
50.0
30.0
48.0
Averages of List
3606.49
-0.06
12451216.60
8165.90
12425.60
57.78
37.73
48.6


Accessibility of Primitive Launches and Other Sites
As of Sunday, February 17th, 2019 where elevation was 3573.74'

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
6.26 Below
Unusable, use Main Channel
Antelope Point
3592.00
3590.00
16.26 Below
Unusable, go to main marinas
Hite Marina
3650.00
3645.00
71.26 Below
Unusable, go to main marinas
Farley Canyon
3653.00
3649.00
75.26 Below
Unusable, go to main marinas
Copper Canyon
3663.00
3660.00
86.26 Below
Unusable, go to main marinas
Bullfrog to Halls Creek Cut-Off
3670.00
3668.00
94.26 Below
Unusable, use Main Channel
Piute Farms
3682.00
3680.00
106.26 Below
Unusable, go to main marinas
Gunsite Pass Cut-Off
3685.00
3680.00
106.26 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