means that rain is coming
rain falls while dew drizzles.
Rain is a very dangerous while dew is not bad at all
dew is condensation of excess water vapour rain is drops of water that falls from clouds
Can see rain falling.
Rain is coming.
Rain dew pollution water
rain falls and dew doesnt
There is no "do the Dew" in Jews' religion. There is a PRAYER for dew/rain in Judaism, however. It can be found in any common siddur.
light rain
Fog
yes
No, flies biting does not necessarily indicate that rain is coming. Fly behavior is not a reliable indicator of weather patterns. Changes in barometric pressure and other environmental factors are more closely linked to predicting rain.