condition mean min max 0 h after light 8.53737 8.36895 8.70579 4 h after light 10.39465 10.125 10.6643 8 h after light 11.530850000000001 10.4401 12.6216 4 h after dark 12.07085 11.6187 12.523 8 h after dark 10.7409 10.7393 10.7425 12 h after dark 8.466725 8.34282 8.59063