condition mean min max 0 h after light 29.74475 29.453 30.0365 4 h after light 20.40445 19.6704 21.1385 8 h after light 15.722850000000001 13.3336 18.1121 4 h after dark 29.15175 19.933 38.3705 8 h after dark 22.45265 20.8795 24.0258 12 h after dark 27.59 24.5567 30.6233