Blairgowrie weather

 Latitude S 26° 07' 11"    Longitude E 28° 00' 08"    Elevation 1635 m

Dawn: 06:02 Sunrise: 06:26 Moonrise: 21:26 Moon
Dusk: 18:12 Sunset:  17:48 Moonset: 10:14
Daylight: 12:10 Day length: 11:22 Moon Phase: Waning Gibbous

Welcome to the only personal weather station in Blairgowrie, a suburb of Randburg, situated just to the north of Johannesburg in the Gauteng Province of South Africa where the time now is 11:52:01 and it currently is 22.4 °C outside and the temperature is Rising. This time yesterday it was 20.7 °C outside. But, because of the relative humidity being 36% and a current windspeed of 2.9 km/h (Light air), gutsing at 8.6 km/h from the NW it now feels like 21.0 °C outside. We experienced a low of 10.7 °C and a high of 22.6 °C so far for today compared to 8.8 °C and 22.0 °C measured for yesterday. The lowest and higest temperatures recorded for this year by this station was 8.8 °C on 18 April and 35.7 °C on 18 January respectively. At the moment the barometric pressure is Steady and the average wind direction the last 10 minutes was from the NW with the predominant wind direction for today being from the NNW with a windrun of 11.7 kilometers up to now compared to NW and 42.9 kilometers for yesterday. The higest average wind speed for today was 7.4 km/h (Light breeze) at 11:31 with a gust of 13.7 km/h at 11:24 compared to 9.4 km/h (Light breeze) at 11:29 with a gust of 15.8 km/h at 11:20 yesterday. Here, in a summer monsoon type of climate (the longest period this year without any rain was 11 days ending on 13 April), it last rained 2 days ago on 2014-04-16 19:14 and we received 351.5 mm of rainfall this year. This is a weather station that reports current weather conditions and provide a record of past weather related information. No real attempt is made to forecast weather, but a good indication of the weather conditions for the next day are provided by the "Zambretti Forecast Model".

Cumulus generated Zambretti weather forecast for the next 12 to 24 hours:

Getting Forecast...

Weather station manager observations and notices:

Get Twitter updates every hour by following this weather station under Germiston_Atmos.

Conditions at local time 11:52 on 19 April 2014
Temperature and Humidity
Temperature 22.4 °C Dew Point 6.6 °C
Windchill 22.4 °C Humidity 36%
Heat Index 22.4 °C Apparent Temperature 21.0 °C
Rainfall
Rainfall Today 0.0 mm Rainfall Yesterday 0.0 mm
Rainfall This Month 14.9 mm Rainfall This Year 351.5 mm
Rainfall Last Hour 0.0 mm Last rainfall 2014-04-16 19:14
Rainfall Last 24 Hours 0.0 mm Rainfall Rate 0.0 mm/hr
Wind
Wind Speed (gust) 8.6 km/h Wind Speed (avg) 2.9 km/h
Wind Bearing 320° NW Beaufort F1 Light air
Dominant direction NNW Wind run for today 11.7km
Pressure
Barometer  1029.0 mb Steady 0.0 mb/hr
Conditions exactly 24 hours ago
Temperature 20.7 °C Dew point 10.2 °C
Windchill 20.7 °C Humidity 51%
Some minimums and maximums since station started operation on 16 February 2013 (for more detail see links to records below)
Maximum Temperature for Today Minimum Temperature for Today
at 10:44 22.6 °C at 05:33 10.7 °C
Maximum Temperature for Yesterday Minimum Temperature for Yesterday
at 15:08 22.0 °C at 05:57 8.8 °C
Maximum Temperature for the current month Minimum Temperature for the current month
at 02:12 PM on 03 April 29.8 °C at 05:57 AM on 18 April 5.2 °C
Maximum Temperature recorded by station Minimum Temperature recorded by station
at 01:56 PM on 18 January 2014 35.7 °C at 05:59 AM on 01 September 2013 -1.6 °C
Lowest Windchill for today Higest Wind Speed (gust) for today
at 05:33 10.7 °C at 11:24 13.7 km/h
Minimum Windchill for the current month Highest Wind Speed (gust) for the current month
at 05:58 AM on 18 April 8.8 °C at 02:22 PM on 02 April 31.9 km/h
Minimum Windchill recorded by station Highest Wind Speed (gust) recorded by station
at 06:21 AM on 10 June 2013 -1.6 °C at 08:03 PM on 27 November 2013 53.6 km/h
Longest period without rain measured by station 82 days Longest period of rain every day measured by station 12 days
:now::today::yesterday::this month::this year::records::monthly records::forum:


The weather station in use is the WMR 200, and these pages are updated every 1 minute. The meteorological day used at this station ends at midnight. The temperature and humidity sensor is housed in a radiation shield to avoid temperature errors as a result of direct sunlight and the rain gauge is modified so that rainfall can be measured to an accuracy of 0.1mm. Wind chill Temperature is only defined for temperatures at or below 10 C and wind speeds above 4.8 kilometres per hour. The weather station is managed by Dr Herman van Niekerk (PhD Geology). Please direct any comments or questions to hermansvn (at) uj.ac.za. The script for the "Zambretti Forecast Model" was written and adapted for the southern hemisphere by "Buford T. Justice" from the Cumulus Forum.

Page updated 2014/04/19 11:52:01 AM
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