Climate readings
The twenty-four fortnights of the Chinese calendar were named for one climate. These pages set each fortnight against thirty years of local weather-station record, city by city, and say plainly where the two part company.
| City | Freeze-free days | Median first freeze | Rain vs. heat |
|---|---|---|---|
| Atlanta | 246 | November 21 | -0.08 (even) |
| Boston | 215 | November 8 | -0.75 (inverted) |
| Chicago | 177 | October 19 | -0.18 (even) |
| Dallas | 261 | November 25 | -0.4 (inverted) |
| Denver | 151 | October 6 | 0.65 (aligned) |
| Houston | 296 | December 8 | -0.16 (even) |
| Los Angeles | 365 | none | -0.94 (inverted) |
| Miami | 365 | none | 0.91 (aligned) |
| Minneapolis | 167 | October 10 | 0.56 (aligned) |
| New York | 230 | November 18 | -0.27 (even) |
| Phoenix | 365 | January 2 | -0.28 (even) |
| San Francisco | 365 | December 31 | -0.96 (inverted) |
| Seattle | 259 | November 21 | -0.99 (inverted) |
| Washington DC | 234 | November 17 | -0.03 (even) |