condition mean min max 4 h after light 224.3345 204.461 244.208 8 h after light 177.73700000000002 168.419 187.055 12 h after light 135.93900000000002 130.699 141.179 4 h after dark 168.03933333333333 164.713 172.209 8 h after dark 155.35166666666666 142.801 170.717 12 h after dark 212.727 208.379 219.705