condition mean min max 0 h after light 0.9947575 0.993871 0.995644 4 h after light 0.0 0.0 0.0 8 h after light 0.4963775 0.337233 0.655522 4 h after dark 0.8147089999999999 0.65331 0.976108 8 h after dark 0.32628 0.0 0.65256 12 h after dark 0.32724200000000003 0.323639 0.330845