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