condition mean min max 4 h after light 5.272634999999999 5.07112 5.47415 8 h after light 3.633035 3.37991 3.88616 12 h after light 6.62458 5.88422 7.36494 4 h after dark 11.691433333333332 11.0659 12.8284 8 h after dark 10.15878 9.59616 11.1041 12 h after dark 7.10915 5.36083 8.53628