Rain, Snow Fell 19 Days In April Temperature Lower Than Normal, National Weather Observer Says By JIM KEVLIN • Special to www.AllOTSEGO.com ONEONTA – In just-ended April, it rain 19 of the 30 days, National Weather Service Observer David Mattice reported a few minutes ago. “We did have a lot of cloud cover,” he said. “But, welcome to Otsego County.” On the whole, temperatures were 5.4 degrees below normal, making it among the five coldest Aprils since 1854, when weather…