condition mean min max 0 h after light 8.436345 5.28789 11.5848 2 h after light 7.49179 5.96913 9.01445 4 h after light 3.45852 2.96135 3.95569 8 h after light 4.7398 3.45979 6.01981 12 h after light 6.172215 5.17888 7.16555 2 h after dark 5.655585 5.53943 5.77174 4 h after dark 6.7341750000000005 5.41773 8.05062 8 h after dark 13.971900000000002 13.6179 14.3259 12 h after dark 9.6204 9.27222 9.96858