condition mean min max 0 h after light 51.652100000000004 50.4856 52.8186 4 h after light 137.05450000000002 130.429 143.68 8 h after light 223.735 219.75 227.72 4 h after dark 144.23149999999998 136.171 152.292 8 h after dark 118.46549999999999 111.654 125.277 12 h after dark 66.3116 57.8288 74.7944