Unusual May 2025

*24hr Mumbai (BMC) rainfall in mm at 10.30am 26-5-25*

Nariman Point Fire Station 245

Colaba Pumping Station 202

Municipal Head Office 208

Colaba Fire Station 198

Kamathipura 192

Marine Lines 175

Darukhana 160

Byculla 151

Malabar hill 128

Ghodapdeo 120

The southwest monsoon made its earliest entry into India this year, hitting Kerala on 24th May and rapidly advancing (temporarily) to Mumbai by 26th May, its earliest arrival.

Fueled by a depression over the Arabian Sea, the monsoon brought record-breaking rainfall to Mumbai

Colaba recorded 472 mm, surpassing the previous May record from 1918 (280 mms), while Santacruz reported 347 mm.

While rainfall will now reduce, intermittent showers and overcast skies are expected.

A trough off the Konkan coast may keep rains active, but the worst seems to be over for now.

Cool Summer Days in Maharashtra ...27th May..Coldest May Day ever in Pune at 24.8°c 

**Mumbai (CLB) 27th Morning 24 hrs rain: 161.9 mms

May total: 456.5 mms. (Departure from Normal: +446.7 mms)...Previous May Month record 280 mms in 1918.

**Mumbai (SCZ) 27th Morning 24 hrs Rain:  144.2 mms

May Total: 342.0 mms (Departure from Normal +329.6 mms)... Previous May Month record 388 mms in 2000.

**Pune may total as yet on 27th:218 mms... Previous  may record 182 mms in 1933

Rainfall Total of May 2025 (with normal in Brackets)👇

Mumbai:

Mumbai Colaba: 503 mms ( 16mms). ...Record for May beating 218 mms in 1918.

Heaviest 27th 24 hrs fall of 162 mms on 27th May broke the previous May Record of 128 mms in 2000.

Mumbai Scruz: 378 mms ( 18 mms)....Scruz record of 388 mms in 2000 hold good ! 

Mumbai Avg. May month Average Max in 2025 is 33.5c...Day/Night Average 30.0c...Normal Average is 30.5c

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2. Pune:

One of the coolest May on record for Mumbai & Pune....With coldest May Day ever for Pune at 24.8c on 27th...

2025 May Month Max Avg  is 33.2c Normal is 37.3c

Overall day/Night Avg: 25.9c..

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May 2025 ....Excessive rains: Mar/Apr/May...Pre Monsoon season

As on 1st May showed :-16% 

 & As on 31st May :+42%

Heavy Record rainfall totals of May 2025

Mumbai Colaba: 503 mms   (ATR)

Mumbai Scruz,:387 mms

Pune : 240 mms (ATR)

Mahabaleshwar: 445 mms ( Normal=67 mms)

Matheran : 551 mms (ATR)

Guhagarh: 707 mms

Mormugao : 700 mms

Panjim: 637 mms ( Normal=65 mms)

Dabolim : 680 mms

Mapusa: 693 mms

----Cherrapunji : 1437 mms--

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Kakkayam Dam, Kerala 1420

Bhagamandala, Karnataka 1270.1 mm

Talakaveri - 1676.8 mm

Kottigehara - 1141.2mm

Hulikal - 1006mm

Courtesy Pradeep John 👆

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Konkan Rainfall 

Courtesy Abhijit Modak 👇👆

Courtesy Abhijit Modak 

 An unusual situation occurred in the Southern Hemisphere on 25th February Tuesday 

, 25th February, afternoon, when six tropical storms, called cyclones in that part of the world, spun in the southern Indian and Pacific oceans at the same time.

The last time this happened was 1989.

 Dahanu (Maharashtra) saw 36.0°c (+8°) on 2nd January. This was the highest daytime temperature ever recorded in January for Dahanu. 

As the W.D. winds blew, the daytime temperature in Dahanu on 4th January plummeted to 26.9°c (-1°c) !