[mee-tee-awr-uh-gram, -or-, mee-tee-er-uh-]
noun Meteorology.
  1. a record made by a meteorograph.
  2. a diagram or chart representing the pattern of recurrence of two or more meteorological phenomena over a period of time as observed at a given weather station or group of stations.

Origin of meteorogram

First recorded in 1900–05; meteoro(logy) + -gram1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018