condition mean min max 4 h after light 11.063395 8.84469 13.2821 8 h after light 13.7239 13.1953 14.2525 12 h after light 9.749780000000001 9.45266 10.0469 4 h after dark 11.046195 9.73709 12.3553 8 h after dark 6.091175 5.32555 6.8568 12 h after dark 6.74062 6.27735 7.20389