condition mean min max 0 h after light 0.6005555 0.240565 0.960546 4 h after light 0.8445045 0.710284 0.978725 8 h after light 0.841823 0.733333 0.950313 4 h after dark 1.65464 1.41507 1.89421 8 h after dark 0.592258 0.238498 0.946018 12 h after dark 0.3518855 0.0 0.703771