condition mean min max 4 h after light 430.874854 394.893208 466.8565 8 h after light 483.3767375 466.616341 500.137134 12 h after light 618.5052565 461.72269 775.287823 4 h after dark 817.5523029999999 603.803917 1031.300689 8 h after dark 841.7320569999999 723.078211 960.385903 12 h after dark 832.186268 832.186268 832.186268