| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 45°F | 62°F | 52°F | 19.1" |
| February | 46°F | 65°F | 54°F | 5.8" |
| March | 47°F | 69°F | 56°F | 3.2" |
| April | 47°F | 73°F | 58°F | 3.0" |
| May | 53°F | 79°F | 64°F | 0.6" |
| June | 59°F | 87°F | 71°F | 0.0" |
| July | 65°F | 96°F | 79°F | 0.0" |
| August | 63°F | 94°F | 76°F | 0.0" |
| September | 61°F | 90°F | 74°F | 28.1" |
| October | 57°F | 81°F | 67°F | 5.9" |
| November | 53°F | 74°F | 61°F | 1.3" |
| December | 44°F | 63°F | 52°F | 4.0" |
| Index | Hasley Canyon | California | National |
| Air quality index | 72 | 55 | 42 |
| Pollution index | 139,490,000 | 10,473,190 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 66 |
| Days with moderate air quality | 208 |
| Days w/ poor A.Q. for sensitive groups | 62 |
| Days with unhealthy air quality | 28 |
| Pollutant | Total |
| Arsenic | 0.200% |
| Benzene | 0.950% |
| Carbon Tetrachloride | 0.080% |
| Lead | 1.320% |
| Mercury | 0.440% |
| City | Population | Air Quality Index | National Avg. |
| Fillmore, CA | 15,631 | 46 | 8.0% |
| Piru, CA | 2,126 | 46 | 8.0% |
| Moorpark, CA | 36,443 | 46 | 8.0% |
| Lake Hughes, CA | 660 | 72 | 44.0% |
| Stevenson Ranch, CA | 18,980 | 72 | 44.0% |
| Hasley Canyon, CA | 1,433 | 72 | 44.0% |
| City | Population | Air Quality Index | National Avg. |
| Pleasanton, KS | 1,433 | 47 | 6.0% |
| Manson, WA | 1,433 | 24 | 52.0% |
| Powers Lake, WI | 1,433 | 39 | 22.0% |
| West Crossett, AR | 1,434 | 35 | 30.0% |
| Sweet Springs, MO | 1,432 | 38 | 24.0% |
| Hasley Canyon, CA | 1,433 | 72 | 44.0% |
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