JULY 8TH, 1816-The onset of a two-day frost in low-lying areas in New England.
Rise 5:52AM
Set 8:37PM
Reporting Station : Leesburg / Godfrey, VA
Clear. Warm.
Rise 5:52AM
Set 8:37PM
Waxing crescent
Rise8:18AM
Set10:47PM
MONDAY EVENING
IAD / No delays
JULY 8TH, 1816-The onset of a two-day frost in low-lying areas in New England.
JULY 8TH, 1816 |
The onset of a two-day frost in low-lying areas in New England. |
JULY 8TH, 1950 |
The town of York NE was deluged with 13.15 inches of rain in 24 hours to establish a state record. |
JULY 7TH, 1981 |
Montana was in the midst of a snowstorm that dumped ten inches at Glacier National Park, and produced winds to 90 mph. Meanwhile, Denver CO set a record high with a reading of 101 degrees. |
JULY 7TH, 1911 |
A break in one of New England's severest heat waves as temperatures peak at 90 F (32 C) or higher between July 2 and 12, reaching 106 F (41 C) in New Hampshire and Massachusetts, and 105 F, in Vermont. |
JULY 6TH, 1893 |
A violent tornado killed 71 persons on its forty-mile track across northwestern Iowa. Forty-nine persons were killed around Pomeroy, where eighty percent of the buildings were destroyed, with most leveled to the ground. Photos showed most of the town without a wall or tree left standing. |
JULY 6TH, 1928 |
A hailstorm at Potter NE produced a stone which was 5.5 inches in diameter, and seventeen inches in circumference, weighing a pound and a half. |
JULY 5TH, 1970 |
The morning low at Death Valley CA was 103 degrees, and the high that afternoon was 120 degrees. |
JULY 5TH, 1937 |
The temperature at Medicine Lake MT soared to 117 degrees to establish a state record. |
JULY 4TH, 1956 |
A world record for the most rain in one minute was set at Unionville MD with a downpour of 1.23 inches. |
JULY 4TH, 1776 |
Thomas Jefferson paid for his first thermometer, and signed the Declaration of Independence. According to his weather memorandum book, at 2 PM it was cloudy and 76 degrees. |
JULY 3RD, 1863 |
After Pickett's charge at about 2 p.m., Meade's Union forces defeat Lee's Confederate soldiers following the three-day Battle of Gettysburg. The skies were partly cloudy, light SSW winds prevailed and it was hot, with the mercury registering 87 F (31C), according to Professor Jacobs at Gettysburg College. |
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 5:52AM
Set 8:37PM
Waxing crescent
Rise8:18AM
Set10:47PM
MONDAY EVENING
IAD / No delays
History | |||
Weather Station: Washington-Dulles International Airport , VA , US | |||
July Data | Choose another month |
Averages | |
Average High Temperature
39.92 °F
|
Average Low Temperature
21.02 °F
|
Average Mean Temp
30.92 °F
|
Average Dew Point
21.02 °F
|
Average Windspeed
12.65 mph
|
Average Wind Direction
315.0
|
Average Morning Relative Humidity
76.0
|
Average Afternoon Relative Humidity
56.0
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
2.80
|
Average Snowfall (US Only)
8.00
|
|
Daily Counts | |
Days With Precipitation
10
|
Days With Thunderstorms
*
|
Days With Fog
12
|
Days With Snow
4
|
Days With Lows Below Freezing
26
|
Days above 90° F (32.2° C)
0
|
Records | |
Record High
75.02 °F
|
Record Low
-18.04 °F
|
Record Wind Speed
62.00 mph
|
Record Monthly Snowfall
73.6 "
|
Record 24-hour Snowfall
10.99 "
|
Record Monthly Rainfall
6.62 "
|
Record 24-hour Rainfall
1.62 "
|
Record Minimum Monthly Precipitation
0.40 "
|
Averages | |
Average High Temperature
44.06 °F
|
Average Low Temperature
23.00 °F
|
Average Mean Temp
33.98 °F
|
Average Dew Point
21.92 °F
|
Average Windspeed
12.65 mph
|
Average Wind Direction
315.0
|
Average Morning Relative Humidity
77.0
|
Average Afternoon Relative Humidity
52.0
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
2.80
|
Average Snowfall (US Only)
7.01
|
|
Daily Counts | |
Days With Precipitation
9
|
Days With Thunderstorms
*
|
Days With Fog
10
|
Days With Snow
3
|
Days With Lows Below Freezing
23
|
Days above 90° F (32.2° C)
0
|
Records | |
Record High
78.98 °F
|
Record Low
-14.08 °F
|
Record Wind Speed
52.82 mph
|
Record Monthly Snowfall
71.1 "
|
Record 24-hour Snowfall
23.01 "
|
Record Monthly Rainfall
5.79 "
|
Record 24-hour Rainfall
2.09 "
|
Record Minimum Monthly Precipitation
0.20 "
|
Averages | |
Average High Temperature
55.04 °F
|
Average Low Temperature
32.00 °F
|
Average Mean Temp
44.06 °F
|
Average Dew Point
30.02 °F
|
Average Windspeed
12.65 mph
|
Average Wind Direction
315.0
|
Average Morning Relative Humidity
77.0
|
Average Afternoon Relative Humidity
48.0
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
3.10
|
Average Snowfall (US Only)
2.99
|
|
Daily Counts | |
Days With Precipitation
10
|
Days With Thunderstorms
1
|
Days With Fog
11
|
Days With Snow
2
|
Days With Lows Below Freezing
17
|
Days above 90° F (32.2° C)
0
|
Records | |
Record High
89.06 °F
|
Record Low
6.08 °F
|
Record Wind Speed
60.88 mph
|
Record Monthly Snowfall
27.9 "
|
Record 24-hour Snowfall
5.99 "
|
Record Monthly Rainfall
5.79 "
|
Record 24-hour Rainfall
1.81 "
|
Record Minimum Monthly Precipitation
1.00 "
|
Averages | |
Average High Temperature
64.94 °F
|
Average Low Temperature
39.92 °F
|
Average Mean Temp
53.06 °F
|
Average Dew Point
39.02 °F
|
Average Windspeed
12.65 mph
|
Average Wind Direction
315.0
|
Average Morning Relative Humidity
77.0
|
Average Afternoon Relative Humidity
46.0
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
3.10
|
Average Snowfall (US Only)
*
|
|
Daily Counts | |
Days With Precipitation
10
|
Days With Thunderstorms
2
|
Days With Fog
11
|
Days With Snow
*
|
Days With Lows Below Freezing
6
|
Days above 90° F (32.2° C)
*
|
Records | |
Record High
91.94 °F
|
Record Low
17.06 °F
|
Record Wind Speed
67.77 mph
|
Record Monthly Snowfall
10.2 "
|
Record 24-hour Snowfall
2.99 "
|
Record Monthly Rainfall
7.29 "
|
Record 24-hour Rainfall
2.09 "
|
Record Minimum Monthly Precipitation
0.30 "
|
Averages | |
Average High Temperature
73.94 °F
|
Average Low Temperature
50.00 °F
|
Average Mean Temp
62.96 °F
|
Average Dew Point
51.08 °F
|
Average Windspeed
8.06 mph
|
Average Wind Direction
180.0
|
Average Morning Relative Humidity
82.0
|
Average Afternoon Relative Humidity
53.0
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
4.00
|
Average Snowfall (US Only)
*
|
|
Daily Counts | |
Days With Precipitation
12
|
Days With Thunderstorms
4
|
Days With Fog
15
|
Days With Snow
0
|
Days With Lows Below Freezing
*
|
Days above 90° F (32.2° C)
1
|
Records | |
Record High
96.98 °F
|
Record Low
28.04 °F
|
Record Wind Speed
52.82 mph
|
Record Monthly Snowfall
* "
|
Record 24-hour Snowfall
* "
|
Record Monthly Rainfall
10.28 "
|
Record 24-hour Rainfall
3.11 "
|
Record Minimum Monthly Precipitation
0.80 "
|
Averages | |
Average High Temperature
82.94 °F
|
Average Low Temperature
59.00 °F
|
Average Mean Temp
71.06 °F
|
Average Dew Point
60.98 °F
|
Average Windspeed
6.88 mph
|
Average Wind Direction
180.0
|
Average Morning Relative Humidity
84.0
|
Average Afternoon Relative Humidity
54.0
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
3.90
|
Average Snowfall (US Only)
0.00
|
|
Daily Counts | |
Days With Precipitation
10
|
Days With Thunderstorms
6
|
Days With Fog
16
|
Days With Snow
0
|
Days With Lows Below Freezing
0
|
Days above 90° F (32.2° C)
5
|
Records | |
Record High
100.04 °F
|
Record Low
35.96 °F
|
Record Wind Speed
73.47 mph
|
Record Monthly Snowfall
0.0 "
|
Record 24-hour Snowfall
0.00 "
|
Record Monthly Rainfall
18.20 "
|
Record 24-hour Rainfall
10.99 "
|
Record Minimum Monthly Precipitation
0.50 "
|
Averages | |
Average High Temperature
87.08 °F
|
Average Low Temperature
64.04 °F
|
Average Mean Temp
75.92 °F
|
Average Dew Point
64.94 °F
|
Average Windspeed
6.88 mph
|
Average Wind Direction
180.0
|
Average Morning Relative Humidity
85.0
|
Average Afternoon Relative Humidity
54.0
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
3.50
|
Average Snowfall (US Only)
0.00
|
|
Daily Counts | |
Days With Precipitation
10
|
Days With Thunderstorms
6
|
Days With Fog
19
|
Days With Snow
0
|
Days With Lows Below Freezing
0
|
Days above 90° F (32.2° C)
11
|
Records | |
Record High
104.00 °F
|
Record Low
41.00 °F
|
Record Wind Speed
78.06 mph
|
Record Monthly Snowfall
0.0 "
|
Record 24-hour Snowfall
0.00 "
|
Record Monthly Rainfall
7.09 "
|
Record 24-hour Rainfall
2.60 "
|
Record Minimum Monthly Precipitation
0.90 "
|
Averages | |
Average High Temperature
86.00 °F
|
Average Low Temperature
62.96 °F
|
Average Mean Temp
73.94 °F
|
Average Dew Point
64.04 °F
|
Average Windspeed
6.88 mph
|
Average Wind Direction
180.0
|
Average Morning Relative Humidity
88.0
|
Average Afternoon Relative Humidity
55.0
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
4.00
|
Average Snowfall (US Only)
0.00
|
|
Daily Counts | |
Days With Precipitation
10
|
Days With Thunderstorms
5
|
Days With Fog
21
|
Days With Snow
0
|
Days With Lows Below Freezing
0
|
Days above 90° F (32.2° C)
8
|
Records | |
Record High
104.00 °F
|
Record Low
37.94 °F
|
Record Wind Speed
67.77 mph
|
Record Monthly Snowfall
0.0 "
|
Record 24-hour Snowfall
0.00 "
|
Record Monthly Rainfall
10.72 "
|
Record 24-hour Rainfall
4.69 "
|
Record Minimum Monthly Precipitation
0.80 "
|
Averages | |
Average High Temperature
78.98 °F
|
Average Low Temperature
55.04 °F
|
Average Mean Temp
66.92 °F
|
Average Dew Point
57.92 °F
|
Average Windspeed
6.88 mph
|
Average Wind Direction
180.0
|
Average Morning Relative Humidity
89.0
|
Average Afternoon Relative Humidity
55.0
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
3.40
|
Average Snowfall (US Only)
0.00
|
|
Daily Counts | |
Days With Precipitation
8
|
Days With Thunderstorms
2
|
Days With Fog
19
|
Days With Snow
0
|
Days With Lows Below Freezing
*
|
Days above 90° F (32.2° C)
3
|
Records | |
Record High
98.96 °F
|
Record Low
30.02 °F
|
Record Wind Speed
53.94 mph
|
Record Monthly Snowfall
0.0 "
|
Record 24-hour Snowfall
0.00 "
|
Record Monthly Rainfall
11.31 "
|
Record 24-hour Rainfall
5.52 "
|
Record Minimum Monthly Precipitation
0.60 "
|
Averages | |
Average High Temperature
68.00 °F
|
Average Low Temperature
42.08 °F
|
Average Mean Temp
55.04 °F
|
Average Dew Point
44.96 °F
|
Average Windspeed
6.88 mph
|
Average Wind Direction
180.0
|
Average Morning Relative Humidity
88.0
|
Average Afternoon Relative Humidity
52.0
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
3.30
|
Average Snowfall (US Only)
*
|
|
Daily Counts | |
Days With Precipitation
8
|
Days With Thunderstorms
1
|
Days With Fog
15
|
Days With Snow
*
|
Days With Lows Below Freezing
5
|
Days above 90° F (32.2° C)
*
|
Records | |
Record High
89.96 °F
|
Record Low
15.08 °F
|
Record Wind Speed
51.65 mph
|
Record Monthly Snowfall
2.5 "
|
Record 24-hour Snowfall
0.98 "
|
Record Monthly Rainfall
9.22 "
|
Record 24-hour Rainfall
4.10 "
|
Record Minimum Monthly Precipitation
* "
|
Averages | |
Average High Temperature
57.02 °F
|
Average Low Temperature
33.98 °F
|
Average Mean Temp
46.04 °F
|
Average Dew Point
35.06 °F
|
Average Windspeed
11.47 mph
|
Average Wind Direction
315.0
|
Average Morning Relative Humidity
83.0
|
Average Afternoon Relative Humidity
54.0
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
3.20
|
Average Snowfall (US Only)
0.98
|
|
Daily Counts | |
Days With Precipitation
9
|
Days With Thunderstorms
1
|
Days With Fog
12
|
Days With Snow
1
|
Days With Lows Below Freezing
15
|
Days above 90° F (32.2° C)
0
|
Records | |
Record High
84.02 °F
|
Record Low
8.96 °F
|
Record Wind Speed
52.82 mph
|
Record Monthly Snowfall
27.9 "
|
Record 24-hour Snowfall
10.99 "
|
Record Monthly Rainfall
7.80 "
|
Record 24-hour Rainfall
2.40 "
|
Record Minimum Monthly Precipitation
0.20 "
|
Averages | |
Average High Temperature
44.96 °F
|
Average Low Temperature
26.06 °F
|
Average Mean Temp
35.96 °F
|
Average Dew Point
26.06 °F
|
Average Windspeed
12.65 mph
|
Average Wind Direction
315.0
|
Average Morning Relative Humidity
78.0
|
Average Afternoon Relative Humidity
57.0
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
3.20
|
Average Snowfall (US Only)
4.02
|
|
Daily Counts | |
Days With Precipitation
10
|
Days With Thunderstorms
*
|
Days With Fog
12
|
Days With Snow
2
|
Days With Lows Below Freezing
24
|
Days above 90° F (32.2° C)
0
|
Records | |
Record High
78.08 °F
|
Record Low
-4.00 °F
|
Record Wind Speed
62.00 mph
|
Record Monthly Snowfall
60.9 "
|
Record 24-hour Snowfall
10.99 "
|
Record Monthly Rainfall
6.70 "
|
Record 24-hour Rainfall
2.92 "
|
Record Minimum Monthly Precipitation
0.40 "
|
Rise 5:52AM
Set 8:37PM
Waxing crescent
Rise8:18AM
Set10:47PM
MONDAY EVENING
IAD / No delays
Day | Reason | Upper Soil Moisture | Lower Soil Moisture | |
Tuesday | ![]() |
Fire danger extreme | 18% | 24% |
Wednesday | ![]() |
Fire danger low | 18% | 24% |
Thursday | ![]() |
Fire danger moderate | 18% | 24% |
Friday | ![]() |
Fire danger high | 18% | 24% |
Saturday | ![]() |
Fire danger high | 18% | 24% |
Sunday | ![]() |
Fire danger moderate | 18% | 24% |
Rise 5:52AM
Set 8:37PM
Waxing crescent
Rise8:18AM
Set10:47PM
MONDAY EVENING
IAD / No delays
Rise 5:52AM
Set 8:37PM
Waxing crescent
Rise8:18AM
Set10:47PM
MONDAY EVENING
IAD / No delays