Unit 341 Reservoir Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 15°F Lo 0°F | Hi 17°F Lo 1°F | Hi 32°F Lo 16°F | Hi 47°F Lo 30°F | Hi 63°F Lo 44°F | Hi 73°F Lo 54°F | Hi 79°F Lo 59°F | Hi 79°F Lo 57°F | Hi 70°F Lo 50°F | Hi 52°F Lo 36°F | Hi 34°F Lo 21°F | Hi 19°F Lo 6°F |
| 9 mph | 9 mph | 9 mph | 10 mph | 10 mph | 9 mph | 8 mph | 8 mph | 10 mph | 10 mph | 10 mph | 9 mph |
| 0.6 in | 0.8 in | 1.1 in | 2.2 in | 3.8 in | 5.3 in | 2.9 in | 2.9 in | 2.7 in | 1.9 in | 0.8 in | 1.1 in |
| 92% | 92% | 85% | 69% | 63% | 71% | 66% | 58% | 58% | 67% | 80% | 90% |
| 69% | 70% | 66% | 54% | 42% | 39% | 29% | 27% | 29% | 42% | 53% | 65% |
| 30.2 in | 30.2 in | 30.1 in | 30.0 in | 29.9 in | 29.8 in | 29.9 in | 29.9 in | 29.9 in | 29.9 in | 30.0 in | 30.1 in |
| 22 | 20 | 22 | 21 | 24 | 22 | 25 | 26 | 25 | 25 | 21 | 22 |
| 6 | 5 | 5 | 6 | 7 | 8 | 7 | 5 | 5 | 4 | 6 | 5 |
| 4 | 3 | 4 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 4 |
| 1 | 2 | 3 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 1 |
| 1 | 1 | 2 | 2 | 4 | 5 | 5 | 5 | 4 | 1 | 1 | 1 |
| 73 | 63 | 82 | 126 | 180 | 185 | 233 | 265 | 243 | 181 | 137 | 95 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi -9°C Lo -18°C | Hi -8°C Lo -17°C | Hi 0°C Lo -9°C | Hi 8°C Lo -1°C | Hi 17°C Lo 7°C | Hi 23°C Lo 12°C | Hi 26°C Lo 15°C | Hi 26°C Lo 14°C | Hi 21°C Lo 10°C | Hi 11°C Lo 2°C | Hi 1°C Lo -6°C | Hi -7°C Lo -15°C |
| 15 km/h | 14 km/h | 15 km/h | 17 km/h | 16 km/h | 15 km/h | 13 km/h | 14 km/h | 16 km/h | 16 km/h | 15 km/h | 14 km/h |
| 16 mm | 20 mm | 27 mm | 55 mm | 96 mm | 133 mm | 73 mm | 74 mm | 69 mm | 49 mm | 21 mm | 27 mm |
| 92% | 92% | 85% | 69% | 63% | 71% | 66% | 58% | 58% | 67% | 80% | 90% |
| 69% | 70% | 66% | 54% | 42% | 39% | 29% | 27% | 29% | 42% | 53% | 65% |
| 1021 mb | 1022 mb | 1019 mb | 1016 mb | 1013 mb | 1010 mb | 1012 mb | 1013 mb | 1014 mb | 1014 mb | 1017 mb | 1020 mb |
| 22 | 20 | 22 | 21 | 24 | 22 | 25 | 26 | 25 | 25 | 21 | 22 |
| 6 | 5 | 5 | 6 | 7 | 8 | 7 | 5 | 5 | 4 | 6 | 5 |
| 4 | 3 | 4 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 4 |
| 1 | 2 | 3 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 1 |
| 1 | 1 | 2 | 2 | 4 | 5 | 5 | 5 | 4 | 1 | 1 | 1 |
| 73 | 63 | 82 | 126 | 180 | 185 | 233 | 265 | 243 | 181 | 137 | 95 |
| Month |
| Avg. Temperatures |
| Avg. Wind Speed |
| Avg. Precipitation |
| Average Humidity |
| Avg. Cloud Cover |
| Pressure Average |
| Average Dry Days |
| Avg. Precip. Days |
| Avg. Snow Days |
| Average Fog Days |
| Average UV Index |
| Avg. Hours of Sun |
Averages are based on historical weather data from the past 10 years.
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