Lampotila 10 paivaa Gahanna Post Office (historical), F° Ilmanpaine 10 paivaa Gahanna Post Office (historical), hPa Sademaara 10 paivaa Gahanna Post Office (historical), tuumaa Tuuli 10 paivaa Gahanna Post Office (historical), mph 24 tunnin meteorogrammi Gahanna Post Office (historical)