condition mean min max 4 h after light 321.32209850000004 220.360902 422.283295 8 h after light 365.02111 307.604377 422.437843 12 h after light 382.695324 240.158591 525.232057 4 h after dark 248.9720565 148.972993 348.97112 8 h after dark 148.29513550000001 79.232847 217.357424 12 h after dark 138.792787 138.792787 138.792787