Reporting Station : Pretoria Irene, Gauteng, South Africa
0 Weather Alerts
for your area.
Thunderstorms. Scattered clouds. Mild
Rise 5:08AM
Set 6:52PM
Waxing gibbous
Rise6:15PM
Set3:48AM
SATURDAY EVENING
AJS / Delays under 15 minutes
DECEMBER 14TH, 1924-The temperature at Helena MT plunged 79 degrees in 24 hours, and 88 degrees in 34 hours. The mercury plummeted from 63 above to 25 below zero. At Fairfield MT the temperature plunged 84 degrees in just 12 hours, from 63 at Noon to 21 below zero at midnight.
| DECEMBER 14TH, 1924 |
The temperature at Helena MT plunged 79 degrees in 24 hours, and 88 degrees in 34 hours. The mercury plummeted from 63 above to 25 below zero. At Fairfield MT the temperature plunged 84 degrees in just 12 hours, from 63 at Noon to 21 below zero at midnight. |
| DECEMBER 14TH, 1987 |
A powerful storm spread heavy snow from the Southern High Plains to the Middle Mississippi Valley, and produced severe thunderstorms in the Lower Mississippi Valley. During the evening a tornado hit West Memphis TN killing six persons and injuring two hundred others. The tornado left 1500 persons homeless, and left all of the residents of Crittendon County without electricity. Kansas City MO was blanketed with 10.8 inches of snow, a 24 hour record for December, and snowfall totals in the Oklahoma panhandle ranged up to 14 inches. |
| DECEMBER 13TH, 1915 |
A heavy snowstorm kicked off the snowiest winter in modern records for western New England. |
| DECEMBER 13TH, 1962 |
A severe Florida freeze occurred. Morning lows reached 35 degrees at Miami, 18 degrees at Tampa, and 12 degrees at Jacksonville. It was the coldest December weather of the 20th century and caused millions of dollars damage to crops and foliage. In Georgia, the morning low of 9 degrees below zero at Blairsville established a state record for the month of December. |
| DECEMBER 12TH, 1969 |
The worst tornado of record for western Washington State tracked south of Seattle, traveling five miles, from Des Moines to Kent. The tornado, 50 to 200 yards in width, began as a waterspout over Puget Sound. One person was injured and the tornado caused half a million dollars damage. Portland OR was drenched with 7.66 inches of rain, a record 24 hour total for that location. (12th-13th) |
| DECEMBER 12TH, 1960 |
The first of three Middle Atlantic snowstorms produced a foot of snow at Baltimore MD. A pre-winter blizzard struck the northeastern U.S. producing wind gusts as high as 51 mph, along with 16 inches of snow at Nantucket MA, and 20 inches at Newark NJ. |
| DECEMBER 11TH, 1932 |
Very cold weather prevailed along the West Coast. San Francisco received 0.8 inch of snow, and at the airport the temperature dipped to 20 degrees. At Sacramento CA, the mercury dipped to 17 degrees to establish an all-time record low for that location. Morning lows were below freezing from the 9th to the 15th at Sacramento, and the high on the 11th was just 34 degrees. The cold wave dealt severe damage to truck crops and orange groves in the Sacramento Valley. |
| DECEMBER 11TH, 1989 |
Strong Santa Ana winds developed across southern California and parts of central California. Winds in Kern County of central California gusted to 100 mph near Grapevine. The high winds reduced visibilities to near zero in the desert areas, closing major interstate highways east of Ontario CA. |
| DECEMBER 10TH, 1699 |
A severe ice storm hit Boston MA causing much damage to orchards. |
| DECEMBER 10TH, 1949 |
The barometric pressure at Las Vegas NV reached a record low reading of 29.17 inches (987.8 millibars). |
| DECEMBER 9TH, 1786 |
A second great snowstorm in just five days brought another 15 inches of snow to Morristown NJ, on top of the eight inches which fell on the 7th and 8th, and the 18 inches which fell on the 4th and 5th. The total snowfall for the week was thus 41 inches. New Haven CT received 17 inches of new snow in the storm. Up to four four feet of snow covered the ground in eastern Massachusetts following the storms. |
| 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 5:08AM
Set 6:52PM
Waxing gibbous
Rise6:15PM
Set3:48AM
SATURDAY EVENING
AJS / Delays under 15 minutes
| History | |||
| Weather Station: Pretoria Airport , 06 , SF | |||
| December Data | Choose another month |
| Averages | |
|
Average High Temperature
82.04 °F
|
Average Low Temperature
66.92 °F
|
|
Average Mean Temp
73.94 °F
|
Average Dew Point
57.92 °F
|
|
Average Windspeed
5.77 mph
|
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
96.98 °F
|
Record Low
53.96 °F
|
|
Record Wind Speed
57.41 mph
|
Record Monthly Snowfall
* "
|
Record 24-hour Snowfall
* "
|
Record Monthly Rainfall
* "
|
Record 24-hour Rainfall
* "
|
Record Minimum Monthly Precipitation
* "
|
| Averages | |
|
Average High Temperature
80.96 °F
|
Average Low Temperature
66.02 °F
|
|
Average Mean Temp
73.94 °F
|
Average Dew Point
57.92 °F
|
|
Average Windspeed
5.77 mph
|
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
96.98 °F
|
Record Low
55.04 °F
|
|
Record Wind Speed
64.29 mph
|
Record Monthly Snowfall
* "
|
Record 24-hour Snowfall
* "
|
Record Monthly Rainfall
* "
|
Record 24-hour Rainfall
* "
|
Record Minimum Monthly Precipitation
* "
|
| Averages | |
|
Average High Temperature
78.98 °F
|
Average Low Temperature
64.04 °F
|
|
Average Mean Temp
71.06 °F
|
Average Dew Point
55.94 °F
|
|
Average Windspeed
5.77 mph
|
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
93.02 °F
|
Record Low
46.04 °F
|
|
Record Wind Speed
57.41 mph
|
Record Monthly Snowfall
* "
|
Record 24-hour Snowfall
* "
|
Record Monthly Rainfall
* "
|
Record 24-hour Rainfall
* "
|
Record Minimum Monthly Precipitation
* "
|
| Averages | |
|
Average High Temperature
75.02 °F
|
Average Low Temperature
57.92 °F
|
|
Average Mean Temp
66.02 °F
|
Average Dew Point
50.00 °F
|
|
Average Windspeed
5.77 mph
|
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
89.06 °F
|
Record Low
35.96 °F
|
|
Record Wind Speed
45.94 mph
|
Record Monthly Snowfall
* "
|
Record 24-hour Snowfall
* "
|
Record Monthly Rainfall
* "
|
Record 24-hour Rainfall
* "
|
Record Minimum Monthly Precipitation
* "
|
| Averages | |
|
Average High Temperature
71.06 °F
|
Average Low Temperature
50.00 °F
|
|
Average Mean Temp
60.98 °F
|
Average Dew Point
42.08 °F
|
|
Average Windspeed
5.77 mph
|
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
82.94 °F
|
Record Low
37.04 °F
|
|
Record Wind Speed
22.94 mph
|
Record Monthly Snowfall
* "
|
Record 24-hour Snowfall
* "
|
Record Monthly Rainfall
* "
|
Record 24-hour Rainfall
* "
|
Record Minimum Monthly Precipitation
* "
|
| Averages | |
|
Average High Temperature
64.94 °F
|
Average Low Temperature
44.06 °F
|
|
Average Mean Temp
55.04 °F
|
Average Dew Point
35.96 °F
|
|
Average Windspeed
5.77 mph
|
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
84.02 °F
|
Record Low
32.00 °F
|
|
Record Wind Speed
29.82 mph
|
Record Monthly Snowfall
* "
|
Record 24-hour Snowfall
* "
|
Record Monthly Rainfall
* "
|
Record 24-hour Rainfall
* "
|
Record Minimum Monthly Precipitation
* "
|
| Averages | |
|
Average High Temperature
66.02 °F
|
Average Low Temperature
44.06 °F
|
|
Average Mean Temp
55.04 °F
|
Average Dew Point
35.06 °F
|
|
Average Windspeed
6.88 mph
|
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
77.00 °F
|
Record Low
33.08 °F
|
|
Record Wind Speed
28.71 mph
|
Record Monthly Snowfall
* "
|
Record 24-hour Snowfall
* "
|
Record Monthly Rainfall
* "
|
Record 24-hour Rainfall
* "
|
Record Minimum Monthly Precipitation
* "
|
| Averages | |
|
Average High Temperature
69.98 °F
|
Average Low Temperature
48.92 °F
|
|
Average Mean Temp
60.08 °F
|
Average Dew Point
37.04 °F
|
|
Average Windspeed
8.06 mph
|
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
84.02 °F
|
Record Low
33.98 °F
|
|
Record Wind Speed
78.06 mph
|
Record Monthly Snowfall
* "
|
Record 24-hour Snowfall
* "
|
Record Monthly Rainfall
* "
|
Record 24-hour Rainfall
* "
|
Record Minimum Monthly Precipitation
* "
|
| Averages | |
|
Average High Temperature
75.92 °F
|
Average Low Temperature
57.02 °F
|
|
Average Mean Temp
66.92 °F
|
Average Dew Point
42.08 °F
|
|
Average Windspeed
8.06 mph
|
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
91.04 °F
|
Record Low
39.02 °F
|
|
Record Wind Speed
68.88 mph
|
Record Monthly Snowfall
* "
|
Record 24-hour Snowfall
* "
|
Record Monthly Rainfall
* "
|
Record 24-hour Rainfall
* "
|
Record Minimum Monthly Precipitation
* "
|
| Averages | |
|
Average High Temperature
78.08 °F
|
Average Low Temperature
60.08 °F
|
|
Average Mean Temp
69.98 °F
|
Average Dew Point
48.92 °F
|
|
Average Windspeed
6.88 mph
|
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
93.02 °F
|
Record Low
42.98 °F
|
|
Record Wind Speed
57.41 mph
|
Record Monthly Snowfall
* "
|
Record 24-hour Snowfall
* "
|
Record Monthly Rainfall
* "
|
Record 24-hour Rainfall
* "
|
Record Minimum Monthly Precipitation
* "
|
| Averages | |
|
Average High Temperature
78.98 °F
|
Average Low Temperature
62.06 °F
|
|
Average Mean Temp
71.06 °F
|
Average Dew Point
53.06 °F
|
|
Average Windspeed
5.77 mph
|
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
95.00 °F
|
Record Low
48.02 °F
|
|
Record Wind Speed
34.47 mph
|
Record Monthly Snowfall
* "
|
Record 24-hour Snowfall
* "
|
Record Monthly Rainfall
* "
|
Record 24-hour Rainfall
* "
|
Record Minimum Monthly Precipitation
* "
|
| Averages | |
|
Average High Temperature
80.96 °F
|
Average Low Temperature
64.94 °F
|
|
Average Mean Temp
73.04 °F
|
Average Dew Point
57.02 °F
|
|
Average Windspeed
5.77 mph
|
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
96.98 °F
|
Record Low
53.06 °F
|
|
Record Wind Speed
27.53 mph
|
Record Monthly Snowfall
* "
|
Record 24-hour Snowfall
* "
|
Record Monthly Rainfall
* "
|
Record 24-hour Rainfall
* "
|
Record Minimum Monthly Precipitation
* "
|
Rise 5:08AM
Set 6:52PM
Waxing gibbous
Rise6:15PM
Set3:48AM
SATURDAY EVENING
AJS / Delays under 15 minutes
| Day | Reason | Upper Soil Moisture | Lower Soil Moisture | |
| Sunday |  |
Fire danger low | 16% | 11% |
| Monday |  |
Fire danger very low | 18% | 11% |
| Tuesday | |
Fire danger very low | 19% | 11% |
| Wednesday | |
Fire danger very low | 18% | 12% |
| Thursday | |
Fire danger very low | 30% | 28% |
| Friday | |
Fire danger very low | 30% | 26% |
Rise 5:08AM
Set 6:52PM
Waxing gibbous
Rise6:15PM
Set3:48AM
SATURDAY EVENING
AJS / Delays under 15 minutes
Rise 5:08AM
Set 6:52PM
Waxing gibbous
Rise6:15PM
Set3:48AM
SATURDAY EVENING
AJS / Delays under 15 minutes
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