condition mean min max 0 h after light 13.03595 12.5145 13.5574 4 h after light 15.768650000000001 15.5115 16.0258 8 h after light 13.43605 13.3849 13.4872 4 h after dark 13.003499999999999 12.6206 13.3864 8 h after dark 14.2574 14.1404 14.3744 12 h after dark 12.90495 12.6303 13.1796