condition mean min max 4 h after light 4.097126666666666 3.32978 4.88499 8 h after light 4.332856666666666 1.34663 6.6461 12 h after light 6.20196 4.25574 8.41958 4 h after dark 6.869843333333334 5.3672 8.62475 8 h after dark 4.70354 3.44763 5.72523 12 h after dark 2.41263 2.06422 2.94359