Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 9°F | 25°F | 17°F | 1.9" |
February | 11°F | 29°F | 19°F | 1.9" |
March | 26°F | 43°F | 34°F | 3.2" |
April | 37°F | 59°F | 47°F | 3.3" |
May | 48°F | 71°F | 59°F | 5.1" |
June | 59°F | 79°F | 69°F | 7.0" |
July | 62°F | 83°F | 72°F | 7.4" |
August | 59°F | 80°F | 69°F | 5.1" |
September | 53°F | 74°F | 62°F | 8.7" |
October | 40°F | 60°F | 49°F | 3.9" |
November | 28°F | 46°F | 36°F | 4.9" |
December | 14°F | 29°F | 22°F | 2.9" |
Index | Randolph | Minnesota | National |
Air quality index | 37 | 35 | 42 |
Pollution index | 1,803,840 | 1,854,519 | 2,726,193 |
Measurement | Total |
Days measured | 216 |
Days with good air quality | 203 |
Days with moderate air quality | 13 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.002% |
Benzene | 0.030% |
Carbon Tetrachloride | 0.002% |
Lead | 0.010% |
Mercury | 0.003% |
City | Population | Air Quality Index | National Avg. |
Northfield, MN | 20,399 | 37 | 26.0% |
Dundas, MN | 1,761 | 37 | 26.0% |
New Trier, MN | 84 | 37 | 26.0% |
Cannon Falls, MN | 4,053 | 37 | 26.0% |
Nerstrand, MN | 306 | 37 | 26.0% |
Randolph, MN | 481 | 37 | 26.0% |
City | Population | Air Quality Index | National Avg. |
Pleasant Groves, AL | 481 | 44 | 12.0% |
Newell, CA | 481 | 29 | 42.0% |
Manilla, IN | 481 | 28 | 44.0% |
Kensington, KS | 481 | 19 | 62.0% |
Scandia, KS | 481 | 32 | 36.0% |
Randolph, MN | 481 | 37 | 26.0% |