condition mean min max 0 h after light 22.3886 21.8339 22.9433 4 h after light 23.9406 21.0625 26.8187 8 h after light 23.4707 22.6869 24.2545 4 h after dark 24.7247 21.8845 27.5649 8 h after dark 24.96215 24.78 25.1443 12 h after dark 22.9895 20.8422 25.1368