condition mean min max 0 h after light 9.77121 9.23382 10.3086 2 h after light 8.83611 8.26525 9.40697 4 h after light 6.649649999999999 6.38514 6.91416 8 h after light 6.962395000000001 6.86103 7.06376 12 h after light 8.903945 8.24357 9.56432 2 h after dark 10.61275 10.5749 10.6506 4 h after dark 10.73131 9.77882 11.6838 8 h after dark 9.963830000000002 9.83026 10.0974 12 h after dark 10.891449999999999 10.7236 11.0593