Delaware River Report / Conditions July 31, 2020

Jul 31, 2020 Comments Off by

We were hit by a couple of different rain bands yesterday.  None of the storms lasted long but we did see some heavy rain for a bit.  It’s been so dry the ground soaked it up again so there is no real change to the river flows this morning.  Luckily there was no pulse release from Cannonsville last night so flows are steady.  Today will be a couple of degrees warmer at 84 degrees with a bit more sunshine.  Wind will be 5 – 10 mph from the North.  Sulphurs and olives have still been the main hatches.  We are seeing some isonychias and stenacrons / cahills out there.  The numbers of caddis on the water seems to have increased over the last few days and we have found fish eating them.


Ron with a nice rainbow yesterday afternoon.  Ed DeSalvio photo

Ron with a nice rainbow yesterday afternoon. Ed DeSalvio photo

The lower Beaverkill, lower East Branch, and Mainstem temperatures are all peaking over 70 degrees.  Give those rivers a break until they cool down. 

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Slate Drake – #12-2xl – 12 – Isonychia bicolor
Light Cahill – #14 – Epeorus vitreus, stenocron sp., invaria
Sulphur – #18 – 20 – E. dorothea
Tiny Olive – #22 – 26 – Pseudocloeon sp.
Green Caddis – #16 – Ryacophillia sp.
Tan Caddis - #18 – 20 – Hydropsyche sp.
Dark Blue Wing Olives – #18 – 20 – E. deficiens, lata
Light Blue Wing Olive – 16 -20 – E. attenuata, cornutella

Click on the gauge below for the most recent update:

West Branch at Stilesville, NY 445 cfs
West Branch at Hale Eddy, NY 498 cfs
East Branch at Harvard, NY 167 cfs 62°
East Branch at Fish’s Eddy, NY 308 cfs 71°
Mainstem at Lordville, NY 907 cfs 70°
Beaverkill at Cooks Falls, NY 141 cfs 71°
Cannonsville Reservoir Release 450 cfs
West Branch at 191 Bridge N/A 59°
West Branch at Walton (Cannonsville inflow) 68 cfs
Cannonsville Reservoir Capacity 76%
Pepacton Reservoir Capacity 86.1%


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