Climatological Information (1991-2020)

Station : NEW DELHI (SAFDARJUNG)(42182)
State : DELHI

Parameter APRIL
03 UTC 12 UTC
Mean Station Level Pressure [ in hPa ] 983.7 980.2
Mean Dry Bulb Temperature [ in °C ] 26.2 34.9
Mean Wet Bulb Temperature [ in °C ] 18.9 20.9
Mean Relative Humidity [ in % ] 48 25
Mean Vapour Pressure [ in hPa ] 16.2 13.9
Mean Total Clouds [ in okta ] 1.7 2.3
Mean Low Clouds [ in okta ] 0.6 0.9

Parameter APRIL
Mean Daily Maximum Temperature [ in °C ] 36.5
Mean Daily Minimum Temperature [ in °C ] 21.3
Mean of Highest Maximum Temperature in the Month [ in °C ] 41.4
Mean of Lowest Minimum Temperature in the Month [ in °C ] 16.3
Mean Monthly Total Rainfall [ in mm ] 12.5
Mean Monthly Rainy Days 1.0
Mean Wind Speed [ in kmph ] 7.8

Parameter APRIL
Value Date / Year
Extreme Highest Temperature [ in °C ] 45.6 29-04-1941
Extreme Lowest Temperature [ in °C ] 10.7 02-04-1965
Total Rainfall in Wettest Month [ in mm ] 183.5 1983
Total Rainfall in Driest Month [ in mm ] 0.0 ---
Heaviest Rainfall in 24 Hours [ in mm ] 134.0 16-04-1983

Parameter APRIL
No. Of Days With Precipitation 0.3 mm Or More 2.6
No. Of Days With Hail 0.0
No. Of Days With Thunder 3.3
No. Of Days With Fog 0.0
No. Of Days With Dust Storm 0.3
No. Of Days With Squall 1.3

Parameter APRIL
03 UTC 12 UTC
No. Of Days With Wind Speed 62 kmph Or More 0 0
No. Of Days With Wind Speed 20 - 61 kmph 1 2
No. Of Days With Wind Speed 1 - 19 kmph 24 26
No. Of Days With Wind Speed 0 i.e. Calm 5 2
No. Of Days (in %) of Wind Direction From North 5 14
No. Of Days (in %) of Wind Direction From North-East 3 8
No. Of Days (in %) of Wind Direction From East 8 9
No. Of Days (in %) of Wind Direction From South-East 7 3
No. Of Days (in %) of Wind Direction From South 5 2
No. Of Days (in %) of Wind Direction From South-West 9 2
No. Of Days (in %) of Wind Direction From West 29 14
No. Of Days (in %) of Wind Direction From North-West 18 42
No. Of Days (in %) of Wind Calm 16 6
No. Of Days With Cloud Amount (All Clouds) 0 oktas 16 12
No. Of Days With Cloud Amount (All Clouds) Trace - 2 oktas 6 7
No. Of Days With Cloud Amount (All Clouds) 3 - 5 oktas 5 7
No. Of Days With Cloud Amount (All Clouds) 6 - 7 oktas 3 4
No. Of Days With Cloud Amount (All Clouds) 8 oktas 0 0
No. Of Days With Low Cloud Amount 0 oktas 24 18
No. Of Days With Low Cloud Amount Trace - 2 oktas 3 7
No. Of Days With Low Cloud Amount 3 - 5 oktas 3 5
No. Of Days With Low Cloud Amount 6 - 7 oktas 0 0
No. Of Days With Low Cloud Amount 8 oktas 0 0
No. Of Days With Low Cloud Amount 8 oktas (Fog) 0 0
No. Of Days With Visibility Upto 1 km 0.0 0.1
No. Of Days With Visibility 1 - 4 km 26.1 13.1
No. Of Days With Visibility 4 - 10 km 3.9 16.7
No. Of Days With Visibility 10 - 20 km 0.0 0.1
No. Of Days With Visibility > 20 km 0.0 0.0