Lake Powell, Houseboating, Glen Canyon, Striped Bass



Lake Powell

Lake Powell

For April 19th, 2018
Snowpack is 73% of avg
TotalPrecip is 72.00% of avg

Lake Powell is currently 478.56 feet deep at the dam
Water Summary
Today is day 201 of 365 for the Water Year 2018. We are 55% through the Water Year.
Last Reading: 3610.56 on Apr 18, 2018
Powell was last within 2" of this elevation on Oct 13, 2016
There are currently 4,166,581,085,617 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 89.44 feet below Full Pool (Elevation 3,700)

By content, Lake Powell is 52.57% of Full Pool (24,322,000 af)
Total inflows for water year 2018: 2,885,721 acre feet

This is 76.02% of the April 18th average of 3,795,808 acre feet
Total releases for water year 2018: 4,811,628 acre feet

This is 58.46% of the minimum required of 8,230,000 acre feet
During WY 2018, water storage has fallen by 1,888,786 AF and total outflows have exceeded total inflows by 1,925,907 AF
The 28 tracked reservoirs above Lake Powell are currently at 76.96% of capacity. Click for Details
Inflows for WY 2018 are 73.09% of WY 2017         Rivers feeding Lake Powell are running at 43.6% of the Apr 19th avg. Click for Details


Powell is up 10.35 feet from one year ago


View Acre Feet     Last 14 Measurements
Powell is down -1.20 feet over these measurements

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Wed, Apr 18, 2018
3610.56
-0.12
12786751
6504
12688
64.0
39.0
n/a
Tue, Apr 17, 2018
3610.68
-0.09
12798869
7052
11589
64.0
44.0
53.0
Mon, Apr 16, 2018
3610.77
-0.07
12807963
8792
12230
80.0
55.0
55.0
Sun, Apr 15, 2018
3610.84
-0.05
12815039
7328
9666
75.0
44.0
55.0
Sat, Apr 14, 2018
3610.89
-0.06
12820094
8705
11595
66.0
39.0
54.0
Fri, Apr 13, 2018
3610.95
-0.10
12826163
7131
12225
59.0
39.0
54.0
Thu, Apr 12, 2018
3611.05
-0.13
12836281
5338
12089
73.0
44.0
54.0
Wed, Apr 11, 2018
3611.18
-0.11
12849443
6591
12243
87.0
53.0
55.0
Tue, Apr 10, 2018
3611.29
-0.12
12860587
6193
12400
75.0
48.0
54.0
Mon, Apr 09, 2018
3611.41
-0.12
12872752
6064
12275
70.0
50.0
54.0
Sun, Apr 08, 2018
3611.53
-0.07
12884924
6440
9891
73.0
57.0
54.0
Sat, Apr 07, 2018
3611.60
-0.05
12892027
9788
12135
87.0
57.0
54.0
Fri, Apr 06, 2018
3611.65
-0.11
12897103
6312
11977
82.0
60.0
53.0
Thu, Apr 05, 2018
3611.76
-0.11
12908274
6704
12372
77.0
50.0
52.0
Averages of List
3611.15
-0.09
12846876.43
7067.29
11812.50
73.71
48.50
53.9

Averages for April 19th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3636.41
0.06
16020801.24
15112.73
12467.84
72.33
45.76
56.2
All-Time
3620.03
0.04
14668815.22
14615.96
12468.55
71.28
44.15
56.2

Last 10 April 19th's data records

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Wed, Apr 19, 2017
3600.50
0.29
11797834
26426
10950
78.0
57.0
59.0
Tue, Apr 19, 2016
3591.35
0.09
10943159
16425
11597
73.9
45.0
58.0
Sun, Apr 19, 2015
3590.59
-0.06
10874001
6535
9144
75.0
51.0
56.0
Sat, Apr 19, 2014
3574.78
0.10
9498951
12697
7854
73.9
55.9
57.0
Fri, Apr 19, 2013
3597.32
-0.09
11496183
5240
9476
66.0
37.0
54.0
Thu, Apr 19, 2012
3635.92
-0.02
15526451
9948
10711
82.0
57.9
56.0
Tue, Apr 19, 2011
3610.00
0.02
12730300
15454
13937
75.2
51.1
54.0
Mon, Apr 19, 2010
3618.78
0.03
13634394
13435
10366
78.1
53.1
58.0
Sun, Apr 19, 2009
3609.74
0.03
12704147
10865
9810
73.9
46.9
55.0
Sat, Apr 19, 2008
3591.56
0.15
10962324
16806
11803
79.0
46.0
53.0
Averages of List
3602.05
0.05
12016774.40
13383.10
10564.80
75.50
50.09
56.0


Accessibility of Primitive Launches and Other Sites
As of Wednesday, April 18th, 2018 where elevation was 3610.56'

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
30.56 Above
Open and Usable
Antelope Point
3592.00
3590.00
20.56 Above
Open and Usable
Hite Marina
3650.00
3645.00
34.44 Below
Unusable, go to main marinas
Farley Canyon
3653.00
3649.00
38.44 Below
Unusable, go to main marinas
Copper Canyon
3663.00
3660.00
49.44 Below
Unusable, go to main marinas
Bullfrog to Halls Creek Cut-Off
3670.00
3668.00
57.44 Below
Unusable, use Main Channel
Piute Farms
3682.00
3680.00
69.44 Below
Unusable, go to main marinas
Gunsite Pass Cut-Off
3685.00
3680.00
69.44 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