condition mean min max 4 h after light 274.113228 250.844135 297.382321 8 h after light 253.06082500000002 247.30898 258.81267 12 h after light 294.47869000000003 258.88925 330.06813 4 h after dark 399.150731 332.176763 466.124699 8 h after dark 389.11461699999995 345.878789 432.350445 12 h after dark 439.96419 439.96419 439.96419