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Environment

Wet Bulb Temperature - Hourly

Data from Jan 1982 to May 2025

Last updated: 09 May 2026, 19:41 SGT

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 explorer

WetBulbTemperatureHourly.csv (388.6K 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 May 28, 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)