Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 11°F | 32°F | 22°F | 2.1" |
February | 12°F | 35°F | 23°F | 2.5" |
March | 21°F | 44°F | 32°F | 2.7" |
April | 33°F | 60°F | 46°F | 3.2" |
May | 44°F | 71°F | 57°F | 4.0" |
June | 53°F | 79°F | 65°F | 5.0" |
July | 58°F | 84°F | 70°F | 5.4" |
August | 56°F | 82°F | 68°F | 4.1" |
September | 50°F | 75°F | 61°F | 3.4" |
October | 39°F | 62°F | 49°F | 5.5" |
November | 28°F | 49°F | 38°F | 2.8" |
December | 19°F | 37°F | 28°F | 3.3" |
Index | South Royalton | Vermont | National |
Air quality index | 34 | 36 | 42 |
Pollution index | 1,843,420 | 1,478,772 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 328 |
Days with moderate air quality | 37 |
Days w/ poor A.Q. for sensitive groups | |
Days with unhealthy air quality |
Pollutant | Total |
Arsenic | 0.000% |
Benzene | 0.030% |
Carbon Tetrachloride | 0.002% |
Lead | 0.000% |
Mercury | 0.001% |
City | Population | Air Quality Index | National Avg. |
Hanover, NH | 8,744 | 34 | 32.0% |
White River Junction, VT | 2,528 | 34 | 32.0% |
Lebanon, NH | 13,718 | 34 | 32.0% |
North Hartland, VT | 274 | 34 | 32.0% |
Wilder, VT | 3,146 | 34 | 32.0% |
South Royalton, VT | 609 | 34 | 32.0% |
City | Population | Air Quality Index | National Avg. |
Brooksville, KY | 609 | 54 | 8.0% |
Dansville, MI | 609 | 36 | 28.0% |
Heart Butte, MT | 609 | 37 | 26.0% |
Buffalo Gap, TX | 609 | 33 | 34.0% |
Tazlina, AK | 608 | 31 | 38.0% |
South Royalton, VT | 609 | 34 | 32.0% |