condition mean min max 0 h after light 4.058175 3.81476 4.30159 4 h after light 4.08837 3.44892 4.72782 8 h after light 2.7223100000000002 2.58419 2.86043 4 h after dark 2.8808949999999998 2.35476 3.40703 8 h after dark 4.8496950000000005 4.23653 5.46286 12 h after dark 3.51189 3.0282 3.99558