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Environment

Wet Bulb Temperature - Hourly

NEA (National Environment Agency)

Hourly wet bulb temperature readings (in degree Celsius) at the Changi Climate Station. Unit of measure for readings is °C.

Data from Jan 1982 to May 2025

Last updated 13 days ago (7 Aug 2026)

Data explorer

WetBulbTemperatureHourly.csv (390.8K rows, 7.2 MB)

Wbt Date Text	Wbt Time Text	Wet Bulb Temperature Text
(Null)0.0% 1986-04-14<0.1% 1982-01-01<0.1% 1982-01-02<0.1% 1982-01-03<0.1%	(Null)0.0% 14.2% 24.2% 34.2% 44.2%	(Null)0.0% 255.2% 264.7% 25.54.8% 25.44.1%
1982-01-01	1	24.7
1982-01-01	2	24.5
1982-01-01	3	24.3
1982-01-01	4	24.2
1982-01-01	5	24.2
1982-01-01	6	23
1982-01-01	7	23.4
1982-01-01	8	23
1982-01-01	9	23.9
1982-01-01	10	24.1

Column legend

Title	Column name	Data type	Unit of measure	Description
Wbt Date	wbt_date	Text	-	-
Wbt Time	wbt_time	Text	-	-
Wet Bulb Temperature	wet_bulb_temperature	Text	-	-

Analyse this dataset with Colab Notebook

1. Copy this dataset ID: d_f222c70a7c00c5a5a9d4ec432d67f6e8
2. Click on the button below

Sample OpenAPI query

This code can be used to test a sample API query. It retrieves the data catalogue of this dataset. For a complete guide on query parameters and syntax, please refer to the API documentation. Try it out on your browser to see the response schema.

import requests
          
dataset_id = "d_f222c70a7c00c5a5a9d4ec432d67f6e8"
url = "https://data.gov.sg/api/action/datastore_search?resource_id="  + dataset_id 
        
response = requests.get(url)
print(response.json())

Citation

This dataset can be reused and cited in research publications.

National Environment Agency. (2016). Wet Bulb Temperature - Hourly (2026) [Dataset]. data.gov.sg. Retrieved August 20, 2026 from https://data.gov.sg/datasets/d_f222c70a7c00c5a5a9d4ec432d67f6e8/view

About this dataset

Contact

ONG_Chin_Hong@nea.gov.sg

Created on

26 May 2016

Licence

Free forever for personal or commercial use, under the Open Data Licence.

Agency

NEA (National Environment Agency)