condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.204563 0.0 0.409126 12 h after light 0.2261045 0.0 0.452209 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.2148525 0.0 0.429705 12 h after dark 0.0 0.0 0.0