   </div>

    <div class="ref-description section level2">
    <p>This function transforms a character vector of Dates or DateTimes into a character vector of seasons (summer, winter, autumn, spring), depending on the value of <code>type</code>:  <br></p>
<p>When <code>type=default</code>
-) winter = DJF: December, January, February   <br>              
-) spring = MAM: March, April, May             <br>             
-) summer = JJA: June, July, August            <br>            
-) autumn = SON: September