The review will report back in time to make any recommended changes for this year's northern summer trade. (thewest.com.au)
The doldrums, therefore, do not exist in the western Pacific during northern summer because of the immense flow of maritime air into the Asian low - pressure zone. (britannica.com)
«We knew the mission had to end, and we carefully budgeted our fuel to last until Saturn's northern summer solstice in May 2017.» (science.howstuffworks.com)