condition mean min max 4 h after light 10.100515000000001 10.061436 10.139594 8 h after light 9.747938000000001 9.356282 10.139594 12 h after light 10.198260999999999 9.070305 11.326217 4 h after dark 10.740942 10.139594 11.34229 8 h after dark 10.753000499999999 10.312043 11.193958 12 h after dark 10.139594 10.139594 10.139594