condition mean min max 0 h after light 13.3316 12.6842 13.979 4 h after light 5.087525 4.47442 5.70063 8 h after light 5.988655 5.50307 6.47424 4 h after dark 7.52671 7.33181 7.72161 8 h after dark 10.6794 10.0193 11.3395 12 h after dark 10.602630000000001 9.43776 11.7675