condition mean min max 4 h after light 11.978265 11.868775 12.087755 8 h after light 12.152231 11.543551 12.760911 12 h after light 13.3424155 12.540495 14.144336 4 h after dark 13.245555 12.760911 13.730199 8 h after dark 13.265434500000001 12.851316 13.679553 12 h after dark 12.760911 12.760911 12.760911