Although it seems confusing, there are some annual trends, as well as reasons why asthma symptoms are worse at particular times of the year. (health.com)
Are there particular times of the year when your clients have more cash than others (for example, if you represent seasonal businesses)? (slaw.ca)
Most rabbits will clean themselves (as they are rather clean animals), however they are known to shed more in particular times of the year. (petguide.com)