Lake Powell, Houseboating, Glen Canyon, Striped Bass



Lake Powell

Lake Powell

For October 19th, 2018
Snowpack is 703% of avg
TotalPrecip is 211.00% of avg

Lake Powell is currently 459.59 feet deep at the dam
Water Summary
Today is day 19 of 365 for the Water Year 2019. We are 5% through the Water Year.
Last Reading: 3591.59 on Oct 18, 2018
Powell was last within 2" of this elevation on Oct 15, 2018
There are currently 3,572,979,492,516 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 108.41 feet below Full Pool (Elevation 3,700)

By content, Lake Powell is 45.08% of Full Pool (24,322,000 af)
Total inflows for water year 2019: 313,435 acre feet

This is 91.51% of the October 18th average of 342,501 acre feet
Total releases for water year 2019: 363,915 acre feet

This is 4.42% of the minimum required of 8,230,000 acre feet
During WY 2019, water storage has fallen by 3,710,480 AF and total outflows have exceeded total inflows by 50,480 AF
The 28 tracked reservoirs above Lake Powell are currently at 68.05% of capacity. Click for Details
Inflows for WY 2019 are 98.73% of WY 2018         Rivers feeding Lake Powell are running at 73.13% of the Oct 19th avg. Click for Details


Powell is down -36.26 feet from one year ago


View Acre Feet     Last 14 Measurements
Powell is down -0.12 feet over these measurements

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Thu, Oct 18, 2018
3591.59
-0.02
10965057
9918
10417
0.0
0.0
66.0
Wed, Oct 17, 2018
3591.61
-0.03
10966883
9246
10243
0.0
0.0
66.0
Tue, Oct 16, 2018
3591.64
-0.10
10969623
5884
10363
0.0
0.0
66.0
Mon, Oct 15, 2018
3591.74
-0.13
10978758
4362
10336
0.0
0.0
67.0
Sun, Oct 14, 2018
3591.87
-0.09
10990640
8960
8962
0.0
0.0
68.0
Sat, Oct 13, 2018
3591.88
0.01
10991555
9724
10224
0.0
0.0
69.0
Fri, Oct 12, 2018
3591.90
0.03
10993384
7879
10370
0.0
0.0
69.0
Thu, Oct 11, 2018
3591.96
0.11
10998871
16355
10382
0.0
0.0
69.0
Wed, Oct 10, 2018
3591.85
0.05
10988812
13578
10593
0.0
0.0
69.0
Tue, Oct 09, 2018
3591.80
0.01
10984241
11160
10167
0.0
0.0
70.0
Mon, Oct 08, 2018
3591.79
0.01
10983327
14843
10367
0.0
0.0
70.0
Sun, Oct 07, 2018
3591.71
-0.08
10976017
13082
9105
0.0
0.0
70.0
Sat, Oct 06, 2018
3591.64
-0.15
10969623
10711
10216
0.0
0.0
71.0
Fri, Oct 05, 2018
3591.71
-0.08
10976017
7281
10268
0.0
0.0
72.0
Averages of List
3591.76
-0.03
10980914.86
10213.07
10143.79
0.00
0.00
68.7

Averages for October 19th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3648.34
-0.02
17435894.84
10053.32
10846.05
71.26
47.84
66.9
All-Time
3633.89
0.00
15775590.71
10175.80
10061.27
71.25
48.02
66.9

Last 10 October 19th's data records

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Thu, Oct 19, 2017
3627.79
-0.06
14606817
7197
10180
78.0
55.0
65.0
Wed, Oct 19, 2016
3610.10
-0.11
12740368
4580
10052
68.0
52.0
67.0
Mon, Oct 19, 2015
3606.02
0.15
12333856
18696
10103
69.1
52.0
71.0
Sun, Oct 19, 2014
3606.09
0.03
12340756
9054
8507
n/a
n/a
n/a
Sat, Oct 19, 2013
3591.09
-0.01
10919468
7491
7493
68.0
43.0
65.0
Fri, Oct 19, 2012
3620.33
-0.05
13798225
5703
7992
75.0
48.0
67.0
Wed, Oct 19, 2011
3651.32
-0.11
17380586
10502
15493
72.0
46.9
68.0
Tue, Oct 19, 2010
3634.16
-0.03
15323968
7659
8003
70.0
51.1
69.0
Mon, Oct 19, 2009
3634.13
-0.04
15320533
8366
10009
82.9
57.0
67.0
Sun, Oct 19, 2008
3625.01
-0.06
14301548
7795
12180
77.0
50.0
66.0
Averages of List
3620.60
-0.03
13906612.50
8704.30
10001.20
73.33
50.56
67.2


Accessibility of Primitive Launches and Other Sites
As of Thursday, October 18th, 2018 where elevation was 3591.59'

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
11.59 Above
Open and Usable
Antelope Point
3592.00
3590.00
1.59 Above
Maybe, if you're lucky. Go slow and be watchful
Hite Marina
3650.00
3645.00
53.41 Below
Unusable, go to main marinas
Farley Canyon
3653.00
3649.00
57.41 Below
Unusable, go to main marinas
Copper Canyon
3663.00
3660.00
68.41 Below
Unusable, go to main marinas
Bullfrog to Halls Creek Cut-Off
3670.00
3668.00
76.41 Below
Unusable, use Main Channel
Piute Farms
3682.00
3680.00
88.41 Below
Unusable, go to main marinas
Gunsite Pass Cut-Off
3685.00
3680.00
88.41 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