condition mean min max 4 h after light 67.17914300000001 67.025029 67.333257 8 h after light 89.1088685 79.771281 98.446456 12 h after light 201.8967935 103.410443 300.383144 4 h after dark 95.09385449999999 87.80346 102.384249 8 h after dark 90.27049149999999 84.900767 95.640216 12 h after dark 220.597141 220.597141 220.597141