condition mean min max 4 h after light 10.851927 10.580182 11.123672 8 h after light 11.812974 11.255358 12.37059 12 h after light 9.95634 9.267998 10.644682 4 h after dark 10.868611000000001 10.794532 10.94269 8 h after dark 10.133383 9.298958 10.967808 12 h after dark 11.192157 11.192157 11.192157