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Updated : 6/2/2017

Weather Data at 2018/12/22 09:14:00 PM and previous 1 Hour(s)

The measurement location is Lattitude :-26.154088° Longitude:28.33509° Altitude:1675m

Parameter Latest Minimum
(Day HH:mm)
Maximum
(Day HH:mm)
Average Trend
(per hour)
Temperature (C) 20.4 19.1 (22 20:41) 20.6 (22 20:16) 20 -0.003
Windchill (C) 20.4 19.1 (22 20:41) 20.6 (22 20:16) 20 -0.003
Heat Index (C) 20.4 19.1 (22 20:41) 20.6 (22 20:16) 20 -0.003
Dew-Point (C) 18.3 17.5 (22 20:21) 18.6 (22 21:01) 18 1.045
Humidity (%) 87.8 82.6 (22 20:16) 92.7 (22 20:41) 88.4 5.828
Pressure (kPa) 101.5 101.4 (22 20:38) 101.6 (22 20:19) 101.5 -0.085
Wind Speed (kph) 0 2.6 (22 20:46) 0.3 -0.414
Wind Direction () 151 165 - 159.1 -13.731
Rain Rate (mm/hr) 0 - 16.9 (22 20:16) 0.282 -
Period Rainfall (mm) 0.286
Radiation
Parameter Current Predicted Sunshine (%) Cloud Data Sky
Radiation (kW/m2) 0.004 0 0 Flag :False
Ratio: 0
SD: 0
Night
Sun Rise Solar Noon Sun Set
Zambretti Forecast
The Zambretti Wether Forecast Algorithm does not appear to work very well for the South African highveld summer rainfall region. The result presented below is from the javascript interpretation of the algorith by "beteljuice.com" with modifications to extend the original algorith to include locations in the southern hemisphere.
Using the demonstration of the algorith reveals its inapplicabilty to the SA highveld region in that quite simply, during the winter months (April-September) the weather will be predominantly cloudless bright sunny days and summer will be hot and sunny with frequent afternoon thunder showers.
Input data :- Pres. 1019, Month 12, Wind Dir 8, Pr Trend -1, N/S 0, Max Pres. 1030, Min Pres. 1000

Zambretti Forecast :-

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