condition mean min max 0 h after light 1.4855200000000002 1.27201 1.69903 4 h after light 2.60993 2.59216 2.6277 8 h after light 7.387575 7.19117 7.58398 4 h after dark 7.001614999999999 5.9127 8.09053 8 h after dark 4.192735000000001 4.03061 4.35486 12 h after dark 1.63911 1.08883 2.18939