and then 
to Add to home screen AUGUST 24TH, 1906-A cloudburst deluged Guinea VA with more than nine inches of rain in just forty minutes.
Rise 6:25AM
Set 5:49PM
Reporting Station : Wonderboom / Pretoria, Gauteng, South Africa
There are
0 Weather Alerts
for your area.
0 Weather Alerts
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8°C
Sunny. Cool.
- 87%
- 7 km/hESE
-
87%
Humidity -
6°C
Dew Point -
7°C
Comfort Level -
16 km
Visibility -
1028.11 mb
Barometric Pressure - Air Quality
Waning gibbous
Rise9:59PM
Set8:50AM
SATURDAY MORNING
AJS / No delays
Previously
| AUGUST 24TH, 1906 |
A cloudburst deluged Guinea VA with more than nine inches of rain in just forty minutes. |
| AUGUST 24TH, 1992 |
Packing 145 to 175 mph winds, Hurricane Andrew comes ashore in Miami and other areas in Dade County, demolishing entire neighborhoods and killing 15 in Florida. In Louisiana, three also perish. Losses total over $25 billion, including 25,000 homes destroyed and 100,000 others damaged, leaving a quarter of a million people temporarily homeless. |
| AUGUST 23RD, 1906 |
Thunderstorms deluged Kansas City MO with six inches of rain during the early morning, including nearly three inches in thirty minutes. |
| AUGUST 23RD, 1933 |
The Chesapeake-Potomac hurricane moved over Norfolk VA and Washington D.C. A tide seven feet above normal flooded businesses in Norfolk, and damage in Maryland was estimated at seventeen million dollars. |
| AUGUST 22ND, 1816 |
The growing season for corn was cut short as damaging frosts were reported from North Carolina to interior New England. |
| AUGUST 22ND, 1923 |
The temperature at Anchorage AK reached 82 degrees, a record for August for the location which was later tied on the 2nd in 1978. |
| AUGUST 21ST, 1883 |
In Minnesota, 31 die when a tornado touches down at Rochester. Thirty-five years later, in 1918, a twister kills 36 at Tyler MN. |
| AUGUST 21ST, 1888 |
A tornado swarm occurred in Maryland and Delaware. Many waterspouts were seen over Chesapeake Bay. |
| AUGUST 20TH, 1886 |
The town of Indianola TX was completely destroyed by a hurricane, and never rebuilt. |
| AUGUST 20TH, 1910 |
The "big blow up" of forest fires finally came to an end in Idaho. A record dry August fueled 1736 fires which burned three million acres destroying six billion board feet of timber. The fires claimed the lives of 85 persons, 78 of which were fire fighters, and consumed the entire town of Wallace. The smoke spread a third of the way around the world producing some dark days in the U.S. and Canada. The forest fires prompted federal fire protection laws. |
| AUGUST 19TH, 1788 |
A small but powerful hurricane inflicted great havoc upon forests along a narrow track from New Jersey to Maine. A similar storm track today would cause extreme disaster in the now populated area. |
Wind Advisory
| Issued By | NWS Field Office | Broadcast Time | Mon, 29 Dec 2014 03:43:00 PST |
| Issuing Time | Mon, 29 Dec 2014 03:43:00 PST | Valid Until | Mon, 29 Dec 2014 03:43:00 PST |
Strong northerly winds are forecast to develop across the San Francisco Bay Area by midday Tuesday and continue through midday Wednesday. A strong..cold and dry storm system will sweep into northern and central California late Monday night and Tuesday morning. This system will generate strong and gusty north to northest winds across the region from midday Tuesday through midday Wednesday.
Rise 6:25AM
Set 5:49PM
Waning gibbous
Rise9:59PM
Set8:50AM
SATURDAY MORNING
AJS / No delays
| History | |||
| Weather Station: Pretoria Airport , 06 , SF | |||
| August Data | Choose another month |
| Averages | |
|
Average High Temperature
27.80 °C
|
Average Low Temperature
19.40 °C
|
|
Average Mean Temp
23.30 °C
|
Average Dew Point
14.40 °C
|
|
Average Windspeed
9.30 km/h
|
Average Wind Direction
45.0
|
|
Average Morning Relative Humidity
77.0
|
Average Afternoon Relative Humidity
47.0
|
|
Typical Sky Cover
BRK
|
Average Precipitation (US Only)
*
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
11
|
Days With Thunderstorms
8
|
|
Days With Fog
*
|
Days With Snow
0
|
Days With Lows Below Freezing
0
|
Days above 90° F (32.2° C)
3
|
| Records | |
|
Record High
36.10 °C
|
Record Low
12.20 °C
|
|
Record Wind Speed
92.60 km/h
|
Record Monthly Snowfall
* cm
|
Record 24-hour Snowfall
* cm
|
Record Monthly Rainfall
0 mm
|
Record 24-hour Rainfall
0 mm
|
Record Minimum Monthly Precipitation
* mm
|
| Averages | |
|
Average High Temperature
27.20 °C
|
Average Low Temperature
18.90 °C
|
|
Average Mean Temp
23.30 °C
|
Average Dew Point
14.40 °C
|
|
Average Windspeed
9.30 km/h
|
Average Wind Direction
90.0
|
|
Average Morning Relative Humidity
79.0
|
Average Afternoon Relative Humidity
47.0
|
|
Typical Sky Cover
BRK
|
Average Precipitation (US Only)
*
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
9
|
Days With Thunderstorms
4
|
|
Days With Fog
1
|
Days With Snow
0
|
Days With Lows Below Freezing
0
|
Days above 90° F (32.2° C)
1
|
| Records | |
|
Record High
36.10 °C
|
Record Low
12.80 °C
|
|
Record Wind Speed
103.70 km/h
|
Record Monthly Snowfall
* cm
|
Record 24-hour Snowfall
* cm
|
Record Monthly Rainfall
0 mm
|
Record 24-hour Rainfall
0 mm
|
Record Minimum Monthly Precipitation
* mm
|
| Averages | |
|
Average High Temperature
26.10 °C
|
Average Low Temperature
17.80 °C
|
|
Average Mean Temp
21.70 °C
|
Average Dew Point
13.30 °C
|
|
Average Windspeed
9.30 km/h
|
Average Wind Direction
90.0
|
|
Average Morning Relative Humidity
80.0
|
Average Afternoon Relative Humidity
48.0
|
|
Typical Sky Cover
SCT
|
Average Precipitation (US Only)
*
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
9
|
Days With Thunderstorms
4
|
|
Days With Fog
2
|
Days With Snow
0
|
Days With Lows Below Freezing
0
|
Days above 90° F (32.2° C)
*
|
| Records | |
|
Record High
33.90 °C
|
Record Low
7.80 °C
|
|
Record Wind Speed
92.60 km/h
|
Record Monthly Snowfall
* cm
|
Record 24-hour Snowfall
* cm
|
Record Monthly Rainfall
0 mm
|
Record 24-hour Rainfall
0 mm
|
Record Minimum Monthly Precipitation
* mm
|
| Averages | |
|
Average High Temperature
23.90 °C
|
Average Low Temperature
14.40 °C
|
|
Average Mean Temp
18.90 °C
|
Average Dew Point
10.00 °C
|
|
Average Windspeed
9.30 km/h
|
Average Wind Direction
270.0
|
|
Average Morning Relative Humidity
77.0
|
Average Afternoon Relative Humidity
42.0
|
|
Typical Sky Cover
SCT
|
Average Precipitation (US Only)
*
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
6
|
Days With Thunderstorms
3
|
|
Days With Fog
1
|
Days With Snow
0
|
Days With Lows Below Freezing
*
|
Days above 90° F (32.2° C)
0
|
| Records | |
|
Record High
31.70 °C
|
Record Low
2.20 °C
|
|
Record Wind Speed
74.10 km/h
|
Record Monthly Snowfall
* cm
|
Record 24-hour Snowfall
* cm
|
Record Monthly Rainfall
0 mm
|
Record 24-hour Rainfall
0 mm
|
Record Minimum Monthly Precipitation
* mm
|
| Averages | |
|
Average High Temperature
21.70 °C
|
Average Low Temperature
10.00 °C
|
|
Average Mean Temp
16.10 °C
|
Average Dew Point
5.60 °C
|
|
Average Windspeed
9.30 km/h
|
Average Wind Direction
270.0
|
|
Average Morning Relative Humidity
75.0
|
Average Afternoon Relative Humidity
35.0
|
|
Typical Sky Cover
CLR
|
Average Precipitation (US Only)
*
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
2
|
Days With Thunderstorms
1
|
|
Days With Fog
1
|
Days With Snow
0
|
Days With Lows Below Freezing
5
|
Days above 90° F (32.2° C)
0
|
| Records | |
|
Record High
28.30 °C
|
Record Low
2.80 °C
|
|
Record Wind Speed
37.00 km/h
|
Record Monthly Snowfall
* cm
|
Record 24-hour Snowfall
* cm
|
Record Monthly Rainfall
0 mm
|
Record 24-hour Rainfall
0 mm
|
Record Minimum Monthly Precipitation
* mm
|
| Averages | |
|
Average High Temperature
18.30 °C
|
Average Low Temperature
6.70 °C
|
|
Average Mean Temp
12.80 °C
|
Average Dew Point
2.20 °C
|
|
Average Windspeed
9.30 km/h
|
Average Wind Direction
270.0
|
|
Average Morning Relative Humidity
72.0
|
Average Afternoon Relative Humidity
35.0
|
|
Typical Sky Cover
CLR
|
Average Precipitation (US Only)
*
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
2
|
Days With Thunderstorms
*
|
|
Days With Fog
1
|
Days With Snow
0
|
Days With Lows Below Freezing
20
|
Days above 90° F (32.2° C)
0
|
| Records | |
|
Record High
28.90 °C
|
Record Low
0.00 °C
|
|
Record Wind Speed
48.10 km/h
|
Record Monthly Snowfall
* cm
|
Record 24-hour Snowfall
* cm
|
Record Monthly Rainfall
0 mm
|
Record 24-hour Rainfall
0 mm
|
Record Minimum Monthly Precipitation
* mm
|
| Averages | |
|
Average High Temperature
18.90 °C
|
Average Low Temperature
6.70 °C
|
|
Average Mean Temp
12.80 °C
|
Average Dew Point
1.70 °C
|
|
Average Windspeed
11.10 km/h
|
Average Wind Direction
270.0
|
|
Average Morning Relative Humidity
70.0
|
Average Afternoon Relative Humidity
33.0
|
|
Typical Sky Cover
CLR
|
Average Precipitation (US Only)
*
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
1
|
Days With Thunderstorms
*
|
|
Days With Fog
1
|
Days With Snow
0
|
Days With Lows Below Freezing
22
|
Days above 90° F (32.2° C)
0
|
| Records | |
|
Record High
25.00 °C
|
Record Low
0.60 °C
|
|
Record Wind Speed
46.30 km/h
|
Record Monthly Snowfall
* cm
|
Record 24-hour Snowfall
* cm
|
Record Monthly Rainfall
0 mm
|
Record 24-hour Rainfall
0 mm
|
Record Minimum Monthly Precipitation
* mm
|
| Averages | |
|
Average High Temperature
21.10 °C
|
Average Low Temperature
9.40 °C
|
|
Average Mean Temp
15.60 °C
|
Average Dew Point
2.80 °C
|
|
Average Windspeed
13.00 km/h
|
Average Wind Direction
270.0
|
|
Average Morning Relative Humidity
66.0
|
Average Afternoon Relative Humidity
30.0
|
|
Typical Sky Cover
CLR
|
Average Precipitation (US Only)
*
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
2
|
Days With Thunderstorms
1
|
|
Days With Fog
*
|
Days With Snow
0
|
Days With Lows Below Freezing
8
|
Days above 90° F (32.2° C)
0
|
| Records | |
|
Record High
28.90 °C
|
Record Low
1.10 °C
|
|
Record Wind Speed
125.90 km/h
|
Record Monthly Snowfall
* cm
|
Record 24-hour Snowfall
* cm
|
Record Monthly Rainfall
0 mm
|
Record 24-hour Rainfall
0 mm
|
Record Minimum Monthly Precipitation
* mm
|
| Averages | |
|
Average High Temperature
24.40 °C
|
Average Low Temperature
13.90 °C
|
|
Average Mean Temp
19.40 °C
|
Average Dew Point
5.60 °C
|
|
Average Windspeed
13.00 km/h
|
Average Wind Direction
45.0
|
|
Average Morning Relative Humidity
65.0
|
Average Afternoon Relative Humidity
30.0
|
|
Typical Sky Cover
CLR
|
Average Precipitation (US Only)
*
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
4
|
Days With Thunderstorms
2
|
|
Days With Fog
*
|
Days With Snow
0
|
Days With Lows Below Freezing
1
|
Days above 90° F (32.2° C)
*
|
| Records | |
|
Record High
32.80 °C
|
Record Low
3.90 °C
|
|
Record Wind Speed
111.10 km/h
|
Record Monthly Snowfall
* cm
|
Record 24-hour Snowfall
* cm
|
Record Monthly Rainfall
0 mm
|
Record 24-hour Rainfall
0 mm
|
Record Minimum Monthly Precipitation
* mm
|
| Averages | |
|
Average High Temperature
25.60 °C
|
Average Low Temperature
15.60 °C
|
|
Average Mean Temp
21.10 °C
|
Average Dew Point
9.40 °C
|
|
Average Windspeed
11.10 km/h
|
Average Wind Direction
45.0
|
|
Average Morning Relative Humidity
71.0
|
Average Afternoon Relative Humidity
38.0
|
|
Typical Sky Cover
SCT
|
Average Precipitation (US Only)
*
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
7
|
Days With Thunderstorms
6
|
|
Days With Fog
1
|
Days With Snow
0
|
Days With Lows Below Freezing
*
|
Days above 90° F (32.2° C)
1
|
| Records | |
|
Record High
33.90 °C
|
Record Low
6.10 °C
|
|
Record Wind Speed
92.60 km/h
|
Record Monthly Snowfall
* cm
|
Record 24-hour Snowfall
* cm
|
Record Monthly Rainfall
0 mm
|
Record 24-hour Rainfall
0 mm
|
Record Minimum Monthly Precipitation
* mm
|
| Averages | |
|
Average High Temperature
26.10 °C
|
Average Low Temperature
16.70 °C
|
|
Average Mean Temp
21.70 °C
|
Average Dew Point
11.70 °C
|
|
Average Windspeed
9.30 km/h
|
Average Wind Direction
45.0
|
|
Average Morning Relative Humidity
76.0
|
Average Afternoon Relative Humidity
44.0
|
|
Typical Sky Cover
SCT
|
Average Precipitation (US Only)
*
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
10
|
Days With Thunderstorms
6
|
|
Days With Fog
1
|
Days With Snow
0
|
Days With Lows Below Freezing
0
|
Days above 90° F (32.2° C)
1
|
| Records | |
|
Record High
35.00 °C
|
Record Low
8.90 °C
|
|
Record Wind Speed
55.60 km/h
|
Record Monthly Snowfall
* cm
|
Record 24-hour Snowfall
* cm
|
Record Monthly Rainfall
0 mm
|
Record 24-hour Rainfall
0 mm
|
Record Minimum Monthly Precipitation
* mm
|
| Averages | |
|
Average High Temperature
27.20 °C
|
Average Low Temperature
18.30 °C
|
|
Average Mean Temp
22.80 °C
|
Average Dew Point
13.90 °C
|
|
Average Windspeed
9.30 km/h
|
Average Wind Direction
45.0
|
|
Average Morning Relative Humidity
78.0
|
Average Afternoon Relative Humidity
46.0
|
|
Typical Sky Cover
BRK
|
Average Precipitation (US Only)
*
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
11
|
Days With Thunderstorms
8
|
|
Days With Fog
1
|
Days With Snow
0
|
Days With Lows Below Freezing
0
|
Days above 90° F (32.2° C)
1
|
| Records | |
|
Record High
36.10 °C
|
Record Low
11.70 °C
|
|
Record Wind Speed
44.40 km/h
|
Record Monthly Snowfall
* cm
|
Record 24-hour Snowfall
* cm
|
Record Monthly Rainfall
0 mm
|
Record 24-hour Rainfall
0 mm
|
Record Minimum Monthly Precipitation
* mm
|
Rise 6:25AM
Set 5:49PM
Waning gibbous
Rise9:59PM
Set8:50AM
SATURDAY MORNING
AJS / No delays
| Day | Reason | Upper Soil Moisture | Lower Soil Moisture | |
| Saturday |  |
Fire danger high | 5% | 8% |
| Sunday |  |
Fire danger extreme | 5% | 8% |
| Monday | |
Fire danger extreme | 5% | 8% |
| Tuesday | |
Fire danger extreme | 5% | 8% |
| Wednesday | |
Fire danger extreme | 5% | 8% |
| Thursday | |
Fire danger extreme | 4% | 8% |
Rise 6:25AM
Set 5:49PM
Waning gibbous
Rise9:59PM
Set8:50AM
SATURDAY MORNING
AJS / No delays
Rise 6:25AM
Set 5:49PM
Waning gibbous
Rise9:59PM
Set8:50AM
SATURDAY MORNING
AJS / No delays
Snow conditions provided by SnoCountry Mountain Reports™