condition mean min max 4 h after light 12.0189505 11.486389 12.551512 8 h after light 9.4860005 9.427404 9.544597 12 h after light 10.191423 8.997321 11.385525 4 h after dark 10.430762000000001 9.706483 11.155041 8 h after dark 11.070944 10.683628 11.45826 12 h after dark 9.812775 9.812775 9.812775