Climatological Information (1991-2020)

Station : NEW DELHI (PALAM)(42181)
State : DELHI

Parameter MAY
03 UTC 12 UTC
Mean Station Level Pressure [ in hPa ] 977.6 974
Mean Dry Bulb Temperature [ in °C ] 31.2 38.6
Mean Wet Bulb Temperature [ in °C ] 22.2 23.5
Mean Relative Humidity [ in % ] 44 25
Mean Vapour Pressure [ in hPa ] 19.5 16.9
Mean Total Clouds [ in okta ] 1.8 2.5
Mean Low Clouds [ in okta ] 0.7 1.4

Parameter MAY
Mean Daily Maximum Temperature [ in °C ] 40.7
Mean Daily Minimum Temperature [ in °C ] 26.4
Mean of Highest Maximum Temperature in the Month [ in °C ] 45.3
Mean of Lowest Minimum Temperature in the Month [ in °C ] 20.8
Mean Monthly Total Rainfall [ in mm ] 32.9
Mean Monthly Rainy Days 2.7
Mean Wind Speed [ in kmph ] 7.7

Parameter MAY
Value Date / Year
Extreme Highest Temperature [ in °C ] 48.4 26-05-1998
Extreme Lowest Temperature [ in °C ] 14.6 02-05-1966
Total Rainfall in Wettest Month [ in mm ] 150.1 2002
Total Rainfall in Driest Month [ in mm ] 0.0 ---
Heaviest Rainfall in 24 Hours [ in mm ] 77.2 29-05-2002

Parameter MAY
No. Of Days With Precipitation 0.3 mm Or More 4.4
No. Of Days With Hail 0.2
No. Of Days With Thunder 7.1
No. Of Days With Fog 0.1
No. Of Days With Dust Storm 2.2
No. Of Days With Squall 4.0

Parameter MAY
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 5 7
No. Of Days With Wind Speed 1 - 19 kmph 24 23
No. Of Days With Wind Speed 0 i.e. Calm 2 1
No. Of Days (in %) of Wind Direction From North 2 6
No. Of Days (in %) of Wind Direction From North-East 4 11
No. Of Days (in %) of Wind Direction From East 14 12
No. Of Days (in %) of Wind Direction From South-East 16 5
No. Of Days (in %) of Wind Direction From South 6 3
No. Of Days (in %) of Wind Direction From South-West 17 8
No. Of Days (in %) of Wind Direction From West 26 25
No. Of Days (in %) of Wind Direction From North-West 8 26
No. Of Days (in %) of Wind Calm 7 4
No. Of Days With Cloud Amount (All Clouds) 0 oktas 15 9
No. Of Days With Cloud Amount (All Clouds) Trace - 2 oktas 6 7
No. Of Days With Cloud Amount (All Clouds) 3 - 5 oktas 6 11
No. Of Days With Cloud Amount (All Clouds) 6 - 7 oktas 3 4
No. Of Days With Cloud Amount (All Clouds) 8 oktas 1 0
No. Of Days With Low Cloud Amount 0 oktas 23 14
No. Of Days With Low Cloud Amount Trace - 2 oktas 4 9
No. Of Days With Low Cloud Amount 3 - 5 oktas 4 8
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 0.2 0.3
No. Of Days With Visibility 1 - 4 km 26.7 14.9
No. Of Days With Visibility 4 - 10 km 4.0 15.6
No. Of Days With Visibility 10 - 20 km 0.0 0.2
No. Of Days With Visibility > 20 km 0.0 0.0