condition mean min max 4 h after light 421.31419400000004 367.471221 475.157167 8 h after light 448.05143250000003 380.793885 515.30898 12 h after light 354.347577 315.929027 392.766127 4 h after dark 465.7325255 401.078211 530.38684 8 h after dark 261.5238665 246.435056 276.612677 12 h after dark 337.384115 337.384115 337.384115