condition mean min max 0 h after light 257.2075 253.047 261.368 4 h after light 184.7535 165.875 203.632 8 h after light 199.41449999999998 195.801 203.028 4 h after dark 222.631 216.401 228.861 8 h after dark 215.82049999999998 210.938 220.703 12 h after dark 198.4475 183.409 213.486