condition mean min max 0 h after light 1.74159 1.65458 1.8286 4 h after light 0.885987 0.841447 0.930527 8 h after light 1.3857650000000001 1.02077 1.75076 4 h after dark 3.21411 3.12837 3.29985 8 h after dark 0.673273 0.649408 0.697138 12 h after dark 0.9950180000000001 0.576246 1.41379