Lake Powell, Houseboating, Glen Canyon, Striped Bass



Lake Powell

Lake Powell

For February 19th, 2018
Snowpack is 72% of avg
TotalPrecip is 70.00% of avg

Lake Powell is currently 485.64 feet deep at the dam
Water Summary
Today is day 142 of 365 for the Water Year 2018. We are 39% through the Water Year.
Last Reading: 3617.64 on Feb 15, 2018
Powell was last within 2" of this elevation on Feb 14, 2018
There are currently 4,403,787,566,021 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 82.36 feet below Full Pool (Elevation 3,700)

By content, Lake Powell is 55.57% of Full Pool (24,322,000 af)
Total inflows for water year 2018: 2,077,234 acre feet

This is 83.92% of the February 15th average of 2,475,206 acre feet
Total releases for water year 2018: 3,252,127 acre feet

This is 39.52% of the minimum required of 8,230,000 acre feet
During WY 2018, water storage has fallen by 1,160,827 AF and total outflows have exceeded total inflows by 1,174,893 AF
The 28 tracked reservoirs above Lake Powell are currently at 77.99% of capacity. Click for Details
Inflows for WY 2018 are 110.06% of WY 2017         Rivers feeding Lake Powell are running at 153.4% of the Feb 19th avg. Click for Details


Powell is up 23.21 feet from one year ago


View Acre Feet     Last 14 Measurements
Powell is down -1.30 feet over these measurements

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Thu, Feb 15, 2018
3617.64
-0.03
13514710
11762
13300
53.0
39.0
49.0
Wed, Feb 14, 2018
3617.67
-0.16
13517851
4270
13223
51.0
39.0
49.0
Tue, Feb 13, 2018
3617.83
-0.06
13534610
10023
13274
50.0
39.0
48.0
Mon, Feb 12, 2018
3617.89
-0.07
13540898
9461
13284
55.0
36.0
48.0
Sun, Feb 11, 2018
3617.96
-0.13
13548237
5595
12846
46.0
26.0
49.0
Sat, Feb 10, 2018
3618.09
-0.10
13561872
7554
13095
66.0
37.0
49.0
Fri, Feb 09, 2018
3618.19
-0.11
13572367
7119
13235
64.0
37.0
50.0
Thu, Feb 08, 2018
3618.30
-0.12
13583917
6499
13191
60.0
34.0
50.0
Wed, Feb 07, 2018
3618.42
-0.11
13596525
7113
13237
55.0
33.0
51.0
Tue, Feb 06, 2018
3618.53
-0.12
13608089
6478
13177
61.0
42.0
50.0
Mon, Feb 05, 2018
3618.65
-0.09
13620711
7717
12700
64.0
39.0
50.0
Sun, Feb 04, 2018
3618.74
-0.10
13630183
7287
12846
68.0
48.0
50.0
Sat, Feb 03, 2018
3618.84
-0.10
13640712
7150
12712
68.0
41.0
50.0
Fri, Feb 02, 2018
3618.94
-0.11
13651246
7188
13327
64.0
37.0
49.0
Averages of List
3618.26
-0.10
13580137.71
7515.43
13103.36
58.93
37.64
49.4

Averages for February 19th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3637.74
-0.08
16171599.43
8636.73
13474.95
55.79
34.13
48.0
All-Time
3621.03
-0.05
14750685.00
9060.61
11727.83
55.69
33.59
48.0

Last 10 February 19th's data records

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Sun, Feb 19, 2017
3594.56
0.04
11238361
13781
11616
53.0
41.0
50.0
Fri, Feb 19, 2016
3594.89
-0.12
11268993
7398
13330
62.1
41.0
49.0
Thu, Feb 19, 2015
3592.58
-0.09
11055682
6539
10894
61.0
37.0
53.0
Wed, Feb 19, 2014
3576.47
-0.11
9640148
6160
11064
69.1
43.0
46.0
Tue, Feb 19, 2013
3602.53
-0.14
11993091
3941
11162
48.9
28.9
45.0
Sun, Feb 19, 2012
3635.84
-0.09
15517206
4960
10432
46.9
33.1
49.0
Sat, Feb 19, 2011
3616.34
-0.28
13379065
7007
17933
53.6
34.0
45.0
Fri, Feb 19, 2010
3620.80
-0.09
13848172
6678
11819
55.9
37.0
50.0
Thu, Feb 19, 2009
3612.75
-0.10
13009103
7160
10895
50.0
28.0
48.0
Tue, Feb 19, 2008
3590.26
0.04
10844059
10106
10581
53.1
32.0
46.0
Averages of List
3603.70
-0.09
12179388.00
7373.00
11972.60
55.36
35.50
48.1


Accessibility of Primitive Launches and Other Sites
As of Thursday, February 15th, 2018 where elevation was 3617.64'

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
37.64 Above
Open and Usable
Antelope Point
3592.00
3590.00
27.64 Above
Open and Usable
Hite Marina
3650.00
3645.00
27.36 Below
Unusable, go to main marinas
Farley Canyon
3653.00
3649.00
31.36 Below
Unusable, go to main marinas
Copper Canyon
3663.00
3660.00
42.36 Below
Unusable, go to main marinas
Bullfrog to Halls Creek Cut-Off
3670.00
3668.00
50.36 Below
Unusable, use Main Channel
Piute Farms
3682.00
3680.00
62.36 Below
Unusable, go to main marinas
Gunsite Pass Cut-Off
3685.00
3680.00
62.36 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 - 2018



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Lake Powell, Houseboating, Glen Canyon, Striped Bass