[ mee-tee-awr-uh-gram, -or-, mee-tee-er-uh- ]
/ ˌmi tiˈɔr əˌgræm, -ˈɒr-, ˈmi ti ər ə- /

noun Meteorology.

a record made by a meteorograph.
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. 2019