Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 33°F | 46°F | 39°F | 11.2" |
February | 33°F | 51°F | 41°F | 4.9" |
March | 39°F | 57°F | 46°F | 10.0" |
April | 40°F | 58°F | 47°F | 5.4" |
May | 45°F | 65°F | 54°F | 9.8" |
June | 49°F | 68°F | 57°F | 5.4" |
July | 53°F | 78°F | 64°F | 3.9" |
August | 51°F | 78°F | 63°F | 2.6" |
September | 46°F | 69°F | 56°F | 3.2" |
October | 43°F | 60°F | 50°F | 5.9" |
November | 36°F | 48°F | 41°F | 9.2" |
December | 33°F | 44°F | 38°F | 23.1" |
Index | Manchester | Washington | National |
Air quality index | 18 | 36 | 42 |
Pollution index | 1,081,430 | 4,541,850 | 2,726,193 |
Measurement | Total |
Days measured | 340 |
Days with good air quality | 338 |
Days with moderate air quality | 2 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.000% |
Benzene | 0.010% |
Carbon Tetrachloride | 0.000% |
Lead | 0.000% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Canterwood, WA | 3,070 | 18 | 64.0% |
Chico, WA | 3,184 | 18 | 64.0% |
Silverdale, WA | 21,858 | 18 | 64.0% |
Erlands Point-Kitsap Lake, WA | 3,095 | 18 | 64.0% |
Navy Yard City, WA | 2,973 | 18 | 64.0% |
Manchester, WA | 6,050 | 18 | 64.0% |
City | Population | Air Quality Index | National Avg. |
Silver Lakes, CA | 6,050 | 89 | 78.0% |
St. Helena, CA | 6,049 | 34 | 32.0% |
Amqui, QC | 6,049 | n/a | |
Willows, CA | 6,053 | 46 | 8.0% |
Metropolis, IL | 6,053 | 44 | 12.0% |
Manchester, WA | 6,050 | 18 | 64.0% |