| Weather data for Hitchens 24-hour air sampling | ||||
| Hourly average | ||||
| Date | Hour | wind | wind | |
| Ending | direction | speed | ||
| from | mph | |||
| 7/3/05 | 1:00 | 6 | 0.2 | |
| 2:00 | 28 | 0.4 | ||
| 3:00 | 32 | 0.5 | ||
| 4:00 | 23 | 0.3 | ||
| 5:00 | 348 | 0.7 | ||
| 6:00 | 354 | 1.0 | ||
| 7:00 | 345 | 1.7 | ||
| 8:00 | 47 | 0.7 | ||
| 9:00 | 4 | 0.6 | ||
| 10:00 | 184 | 1.9 | ||
| 11:00 | 180 | 2.5 | ||
| 12:00 | 171 | 3.5 | ||
| 13:00 | 192 | 3.6 | ||
| 14:00 | 143 | 3.2 | ||
| 15:00 | 151 | 4.0 | ||
| 16:00 | 218 | 3.9 | ||
| 17:00 | 234 | 4.8 | ||
| 18:00 | 213 | 3.5 | ||
| 19:00 | 228 | 3.2 | ||
| 20:00 | 97 | 3.4 | ||
| 21:00 | 104 | 2.1 | ||
| 22:00 | 105 | 1.7 | ||
| 23:00 | 82 | 1.1 | ||
| 0:00 | 34 | 0.8 | ||
| Avg | 147 | 2 | ||
| Min | 4 | 0.2 | ||
| Max | 354 | 4.8 | ||
| Std Dev | 113 | 1 | ||