Read the extract and identify the prepositions in it and state what they express in the given sentences:
Pune city recorded 41.8 mm rain in the three hours between 5:30 pm and 8:30 pm on Saturday. Most of the showers occurred in the 30-minute spell that started around 7 pm. Scattered rains occurred at a few places in Konkan and Goa. A trough extending to the Lakshadweep area persists across south-west Bay of Bengal. Similar rains also occurred in Tamil Nadu, Kerala and Karnataka.