Hourly Weather Observation Data collected from http://www.imd.gov.in/section/nhac/aws/aws.htm.

Abbreviations Used :
MSLP : Mean Sea Level Pressure in hPa
Ptend : Pressure tendency in last 24 hours in hPa
TMax : Maximum Temperature in 0C (reported in 12 UTC only)
TMin : Minimum Temperature in 0C (reported in 03 UTC only)
DBT : Dry bulb Temperature in 0C
DPT : Dew point Temperature in 0C
RRR : Total rainfall in mm since 03 UTC
SSHM : Bright hours of Sunshine in hours and minutes
DDD : Direction in 36 points compass
FF : Speed in knots measured through anemometer