condition mean min max 0 h after light 41.93495 41.5811 42.2888 4 h after light 12.150549999999999 11.7726 12.5285 8 h after light 9.64514 8.43798 10.8523 4 h after dark 21.198 18.2187 24.1773 8 h after dark 23.229300000000002 22.659 23.7996 12 h after dark 30.226100000000002 26.4536 33.9986