condition mean min max 0 h after light 2.339665 1.10252 3.57681 4 h after light 3.5832550000000003 3.50433 3.66218 8 h after light 0.5522835 0.544417 0.56015 4 h after dark 1.2184 1.216 1.2208 8 h after dark 2.654595 2.30331 3.00588 12 h after dark 3.123945 3.02247 3.22542