PSMBP - Canyon Ferry Unit Water Data


Home \| About Us \| News \| Programs & Activities \| Library \| Water Operations \| Site Index

PSMBP - Canyon Ferry Unit
Water Data

PSMBP - Canyon Ferry Unit - Main Page

Project Water Supply

Current Conditions:

Reservoir Storage (Teacup Diagrams)

Missouri River Basin Reservoirs above Canyon Ferry Reservoir
Canyon Ferry Reservoir Current Water Level and Releases

Weather Conditions (NOAA)

Broadwater, Montana

Helena, Montana

Precipitation

Streamflow

Missouri River below Canyon Ferry Dam near Helena, Montana (USGS)
Missouri River below Holter Dam, near Wolf Creek, Montana (USGS)

Streamflow Forecast Map

Spring and Summer (NRCS)

Snowpack Information

Mountain Snowpack Maps for Missouri River

Drought Index

Palmer Drought Index Map
Explanation of Palmer Drought Severity Index (Text)

Historic Conditions:

Annual Precipitation

Normal	11.60 in
Maximum - 1975	20.94 in
Minimum - 1973	6.26 in
Helena, Montana 1961-1990

Temperature

Mean Annual	43.7 °F
Daily Maximum - 08/24/1969	105 °F
Daily Minimum - 01/31/1893	-42 °F
Helena, Montana 1893-1996

Missouri River

Drainage area above Canyon Ferry Dam	15,904 mi²
Annual discharge
Maximum - 1984	5,642,972 acre-ft
Minimum - 1983	4,697,209 acre-ft
Average - 1981-1985	4,799,997 acre-ft

Project Water Quality

Dams | Projects | Powerplants | Contact Us | Maps | Glossary | FAQ´s | Links