condition mean min max 4 h after light 5.06531 3.65233 6.47829 8 h after light 6.23712 6.08373 6.39051 12 h after light 6.54399 4.638 8.44998 4 h after dark 6.16016 5.60294 6.71738 8 h after dark 6.0979849999999995 5.87083 6.32514 12 h after dark 7.40942 5.39523 9.42361