On June 28^th Steve Capoferri and I installed two temperature loggers Ridley Creek. I spot-checked the data on one of them a couple of times to make sure it was working, but today I read the data from both of them for the first time.  I expected their readings to be similar, but that was not the case. The differences between them are not huge, but it would definitely be better to have the high temperatures recorded by one logger than those that were recorded by the other one.

Despite a last minute call for volunteers, high heat and humidity, a late delivery and a rock pile that was not nearly as close to the creek as I had hoped — 5 tons of rock have been added to the deflector immediately upstream of the bridge pool. Fred Dewees, brand new club member Steve Buck, and I waited an hour for the delivery before we started carrying and tossing stones.  A little later, Ed Collier got the word and pitched in with fresh muscles just at the right time.  Everyone worked hard, but we were able to finish the job in less than 2 hours of working time.