Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 25°F | 35°F | 29°F | 7.3" |
February | 26°F | 44°F | 34°F | 3.1" |
March | 33°F | 55°F | 44°F | 0.7" |
April | 38°F | 65°F | 51°F | 0.9" |
May | 46°F | 76°F | 61°F | 1.6" |
June | 54°F | 81°F | 67°F | 2.1" |
July | 59°F | 91°F | 75°F | 1.4" |
August | 57°F | 89°F | 72°F | 1.3" |
September | 49°F | 77°F | 62°F | 1.3" |
October | 40°F | 62°F | 51°F | 1.0" |
November | 32°F | 46°F | 39°F | 1.3" |
December | 23°F | 34°F | 29°F | 5.5" |
Index | Curlew Lake | Washington | National |
Air quality index | 43 | 36 | 42 |
Pollution index | 2,800,290 | 4,541,850 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 252 |
Days with moderate air quality | 111 |
Days w/ poor A.Q. for sensitive groups | 2 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.020% |
Benzene | 0.040% |
Carbon Tetrachloride | 0.004% |
Lead | 0.020% |
Mercury | 0.001% |
City | Population | Air Quality Index | National Avg. |
Curlew, WA | 51 | 43 | 14.0% |
Torboy, WA | 154 | 43 | 14.0% |
Malo, WA | 45 | 43 | 14.0% |
Pine Grove, WA | 84 | 43 | 14.0% |
Republic, WA | 1,144 | 43 | 14.0% |
Curlew Lake, WA | 579 | 43 | 14.0% |
City | Population | Air Quality Index | National Avg. |
Jacumba, CA | 579 | 58 | 16.0% |
East Galesburg, IL | 579 | 41 | 18.0% |
Ullin, IL | 579 | 44 | 12.0% |
LeRoy, KS | 579 | 22 | 56.0% |
Laddonia, MO | 579 | 38 | 24.0% |
Curlew Lake, WA | 579 | 43 | 14.0% |