Climatological Data - Copper River Basin
The Copper River Basin is a nearly closed basin, floor elevations around 1500' - 2000', at the junction of the Copper and Chitina Rivers. The basin is bounded by the Talkeetna Mountains on the west, the Alaska Range on the north, the Wrangell-St Elias Range on the east, and the Chugach Range on the south. The Copper River drains to the Pacific through a narrow canyon in the Chugach Range. During glacial times, this canyon was filled with ice and an ice- dammed lake filled the basin. Since then, the rivers have cut into the lake sediments and generally flow below the level of the basin floor.
Climate Data

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About the products: Means are based on daily observations over the period 1971 - 2000, the most recent climatological normal period. The period of record for extremes varies by station.