condition mean min max 2 h after light 0.026597833333333334 0.0 0.159587 6 h after light 0.11584633333333334 0.0 0.546297 10 h after light 0.1057675 0.0 0.467269 14 h after light 0.158185 0.0 0.321343 18 h after light 0.021994833333333335 0.0 0.131969 2 h after dark 0.131772 0.0 0.517942