Lampotila 10 paivaa Alpena Army Air Field (historical), F° Ilmanpaine 10 paivaa Alpena Army Air Field (historical), hPa Sademaara 10 paivaa Alpena Army Air Field (historical), tuumaa Tuuli 10 paivaa Alpena Army Air Field (historical), mph 24 tunnin meteorogrammi Alpena Army Air Field (historical)