MAY 21ST, 1860-A swarm of tornadoes occurred in the Ohio Valley. Tornadoes struck the cities of Louisville KY, Cincinnati OH, Chillicothe OH and Marietta OH causing a million dollars damage.
Rise 6:16AM
Set 8:50PM
Reporting Station : Dayton / Wright-Patterson Air Force Base, OH
Partly sunny. Mild.
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Rise 6:16AM
Set 8:50PM
Waxing gibbous
Rise7:17PM
Set4:56AM
TUESDAY NIGHT
DAY / No delays
MAY 21ST, 1860-A swarm of tornadoes occurred in the Ohio Valley. Tornadoes struck the cities of Louisville KY, Cincinnati OH, Chillicothe OH and Marietta OH causing a million dollars damage.
MAY 21ST, 1860 |
A swarm of tornadoes occurred in the Ohio Valley. Tornadoes struck the cities of Louisville KY, Cincinnati OH, Chillicothe OH and Marietta OH causing a million dollars damage. |
MAY 21ST, 1896 |
The mercury soared to 124 degrees at Salton CA to establish a U.S. record for May. |
MAY 20TH, 1916 |
On the same day on this year and again in 1917 and 1918, tornadoes strike Codell, KS. |
MAY 20TH, 1957 |
A tornado touched down to the southwest of Kansas City and traveled a distance of seventy-one miles cutting a swath of near total destruction through the southeastern suburbs of Ruskin Heights and Hickman Mills. The tornado claimed the lives of forty-five persons, and left hundreds homeless. It was the worst weather disaster of record for Kansas City. About all that remained of one house was a small table and a fish bowl atop, with the fish still swimming about inside the bowl, rather unconcerned. |
MAY 19TH, 1955 |
Lake Maloya NM received 11.28 inches of rain in 24 hours to establish a state record. |
MAY 19TH, 1780 |
The infamous "dark day" in New England tradition. At noon it was nearly as dark as night. Chickens went to roost, and many persons were fearful of divine wrath. The phenomena was caused by forest fires to the west of New England. |
MAY 18TH, 1980 |
Mount Saint Helens (in Washington State) erupted spewing ash and smoke sixty-three thousand feet into the air. Heavy ash covered the ground to the immediate northwest, and small particles were carried to the Atlantic coast. |
MAY 18TH, 1825 |
A tornado (said to have crossed all of the state of Ohio) smashed into the log cabin settlement of Burlington, northeast of Columbus. |
MAY 17TH, 1883 |
A three day flood in the Black Hills of western South Dakota resulted in a million dollars damage at Rapid City. |
MAY 17TH, 1979 |
A reading of 12 degrees at Mauna Kea Observatory established an all-time record low for the state of Hawaii. |
MAY 16TH, 1952 |
High winds in the Wasatch Canyon of Utah struck Ogden and Brigham City. Winds at Hill Air Force Base gusted to 92 mph. |
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 6:16AM
Set 8:50PM
Waxing gibbous
Rise7:17PM
Set4:56AM
TUESDAY NIGHT
DAY / No delays
History | |||
Weather Station: Dayton / Wright-Patterson Air Force Base , OH , US | |||
May Data | Choose another month |
Averages | |
Average High Temperature
2.20 °C
|
Average Low Temperature
-6.10 °C
|
Average Mean Temp
-2.20 °C
|
Average Dew Point
-6.70 °C
|
Average Windspeed
13.00 km/h
|
Average Wind Direction
23.0
|
Average Morning Relative Humidity
75.8
|
Average Afternoon Relative Humidity
65.5
|
Typical Sky Cover
*
|
Average Precipitation (US Only)
7.08
|
Average Snowfall (US Only)
18.50
|
|
Daily Counts | |
Days With Precipitation
12
|
Days With Thunderstorms
1
|
Days With Fog
14
|
Days With Snow
6
|
Days With Lows Below Freezing
26
|
Days above 90° F (32.2° C)
0
|
Records | |
Record High
22.20 °C
|
Record Low
-27.80 °C
|
Record Wind Speed
118.50 km/h
|
Record Monthly Snowfall
86.5 cm
|
Record 24-hour Snowfall
22.80 cm
|
Record Monthly Rainfall
225 mm
|
Record 24-hour Rainfall
97 mm
|
Record Minimum Monthly Precipitation
0.48 mm
|
Averages | |
Average High Temperature
3.90 °C
|
Average Low Temperature
-5.00 °C
|
Average Mean Temp
-0.60 °C
|
Average Dew Point
-5.00 °C
|
Average Windspeed
11.10 km/h
|
Average Wind Direction
10.0
|
Average Morning Relative Humidity
78.0
|
Average Afternoon Relative Humidity
64.8
|
Typical Sky Cover
*
|
Average Precipitation (US Only)
6.35
|
Average Snowfall (US Only)
14.50
|
|
Daily Counts | |
Days With Precipitation
11
|
Days With Thunderstorms
1
|
Days With Fog
13
|
Days With Snow
5
|
Days With Lows Below Freezing
22
|
Days above 90° F (32.2° C)
0
|
Records | |
Record High
23.30 °C
|
Record Low
-23.90 °C
|
Record Wind Speed
157.40 km/h
|
Record Monthly Snowfall
41.4 cm
|
Record 24-hour Snowfall
26.40 cm
|
Record Monthly Rainfall
135 mm
|
Record 24-hour Rainfall
65 mm
|
Record Minimum Monthly Precipitation
0.66 mm
|
Averages | |
Average High Temperature
10.00 °C
|
Average Low Temperature
0.00 °C
|
Average Mean Temp
5.00 °C
|
Average Dew Point
-1.10 °C
|
Average Windspeed
13.00 km/h
|
Average Wind Direction
*
|
Average Morning Relative Humidity
76.2
|
Average Afternoon Relative Humidity
56.8
|
Typical Sky Cover
*
|
Average Precipitation (US Only)
8.53
|
Average Snowfall (US Only)
10.90
|
|
Daily Counts | |
Days With Precipitation
12
|
Days With Thunderstorms
2
|
Days With Fog
13
|
Days With Snow
4
|
Days With Lows Below Freezing
18
|
Days above 90° F (32.2° C)
0
|
Records | |
Record High
27.80 °C
|
Record Low
-20.00 °C
|
Record Wind Speed
140.70 km/h
|
Record Monthly Snowfall
40.4 cm
|
Record 24-hour Snowfall
22.60 cm
|
Record Monthly Rainfall
254 mm
|
Record 24-hour Rainfall
87 mm
|
Record Minimum Monthly Precipitation
1.45 mm
|
Averages | |
Average High Temperature
16.70 °C
|
Average Low Temperature
5.00 °C
|
Average Mean Temp
11.10 °C
|
Average Dew Point
3.30 °C
|
Average Windspeed
11.10 km/h
|
Average Wind Direction
*
|
Average Morning Relative Humidity
75.8
|
Average Afternoon Relative Humidity
53.2
|
Typical Sky Cover
*
|
Average Precipitation (US Only)
9.26
|
Average Snowfall (US Only)
1.30
|
|
Daily Counts | |
Days With Precipitation
13
|
Days With Thunderstorms
4
|
Days With Fog
12
|
Days With Snow
1
|
Days With Lows Below Freezing
6
|
Days above 90° F (32.2° C)
*
|
Records | |
Record High
32.20 °C
|
Record Low
-7.80 °C
|
Record Wind Speed
107.40 km/h
|
Record Monthly Snowfall
15.5 cm
|
Record 24-hour Snowfall
7.10 cm
|
Record Monthly Rainfall
191 mm
|
Record 24-hour Rainfall
62 mm
|
Record Minimum Monthly Precipitation
1.35 mm
|
Averages | |
Average High Temperature
22.20 °C
|
Average Low Temperature
11.10 °C
|
Average Mean Temp
16.70 °C
|
Average Dew Point
9.40 °C
|
Average Windspeed
9.30 km/h
|
Average Wind Direction
*
|
Average Morning Relative Humidity
76.3
|
Average Afternoon Relative Humidity
54.3
|
Typical Sky Cover
*
|
Average Precipitation (US Only)
9.75
|
Average Snowfall (US Only)
0.00
|
|
Daily Counts | |
Days With Precipitation
12
|
Days With Thunderstorms
6
|
Days With Fog
13
|
Days With Snow
*
|
Days With Lows Below Freezing
1
|
Days above 90° F (32.2° C)
1
|
Records | |
Record High
35.60 °C
|
Record Low
-3.30 °C
|
Record Wind Speed
125.90 km/h
|
Record Monthly Snowfall
0.3 cm
|
Record 24-hour Snowfall
0.30 cm
|
Record Monthly Rainfall
313 mm
|
Record 24-hour Rainfall
98 mm
|
Record Minimum Monthly Precipitation
1.68 mm
|
Averages | |
Average High Temperature
27.80 °C
|
Average Low Temperature
16.10 °C
|
Average Mean Temp
21.70 °C
|
Average Dew Point
14.40 °C
|
Average Windspeed
7.40 km/h
|
Average Wind Direction
*
|
Average Morning Relative Humidity
76.4
|
Average Afternoon Relative Humidity
53.3
|
Typical Sky Cover
*
|
Average Precipitation (US Only)
11.17
|
Average Snowfall (US Only)
0.00
|
|
Daily Counts | |
Days With Precipitation
11
|
Days With Thunderstorms
7
|
Days With Fog
14
|
Days With Snow
0
|
Days With Lows Below Freezing
0
|
Days above 90° F (32.2° C)
4
|
Records | |
Record High
39.40 °C
|
Record Low
3.30 °C
|
Record Wind Speed
122.20 km/h
|
Record Monthly Snowfall
0.0 cm
|
Record 24-hour Snowfall
0.00 cm
|
Record Monthly Rainfall
277 mm
|
Record 24-hour Rainfall
119 mm
|
Record Minimum Monthly Precipitation
0.89 mm
|
Averages | |
Average High Temperature
29.40 °C
|
Average Low Temperature
18.30 °C
|
Average Mean Temp
23.90 °C
|
Average Dew Point
17.80 °C
|
Average Windspeed
5.60 km/h
|
Average Wind Direction
*
|
Average Morning Relative Humidity
81.1
|
Average Afternoon Relative Humidity
56.4
|
Typical Sky Cover
*
|
Average Precipitation (US Only)
9.52
|
Average Snowfall (US Only)
0.00
|
|
Daily Counts | |
Days With Precipitation
10
|
Days With Thunderstorms
8
|
Days With Fog
17
|
Days With Snow
0
|
Days With Lows Below Freezing
0
|
Days above 90° F (32.2° C)
7
|
Records | |
Record High
39.40 °C
|
Record Low
7.20 °C
|
Record Wind Speed
103.70 km/h
|
Record Monthly Snowfall
0.0 cm
|
Record 24-hour Snowfall
0.00 cm
|
Record Monthly Rainfall
230 mm
|
Record 24-hour Rainfall
93 mm
|
Record Minimum Monthly Precipitation
1.17 mm
|
Averages | |
Average High Temperature
28.90 °C
|
Average Low Temperature
17.20 °C
|
Average Mean Temp
22.80 °C
|
Average Dew Point
16.70 °C
|
Average Windspeed
5.60 km/h
|
Average Wind Direction
*
|
Average Morning Relative Humidity
84.4
|
Average Afternoon Relative Humidity
56.8
|
Typical Sky Cover
*
|
Average Precipitation (US Only)
8.53
|
Average Snowfall (US Only)
0.00
|
|
Daily Counts | |
Days With Precipitation
9
|
Days With Thunderstorms
7
|
Days With Fog
19
|
Days With Snow
0
|
Days With Lows Below Freezing
0
|
Days above 90° F (32.2° C)
5
|
Records | |
Record High
38.90 °C
|
Record Low
4.40 °C
|
Record Wind Speed
129.60 km/h
|
Record Monthly Snowfall
0.0 cm
|
Record 24-hour Snowfall
0.00 cm
|
Record Monthly Rainfall
258 mm
|
Record 24-hour Rainfall
134 mm
|
Record Minimum Monthly Precipitation
0.53 mm
|
Averages | |
Average High Temperature
25.00 °C
|
Average Low Temperature
13.30 °C
|
Average Mean Temp
19.40 °C
|
Average Dew Point
12.80 °C
|
Average Windspeed
7.40 km/h
|
Average Wind Direction
*
|
Average Morning Relative Humidity
84.5
|
Average Afternoon Relative Humidity
55.8
|
Typical Sky Cover
*
|
Average Precipitation (US Only)
6.62
|
Average Snowfall (US Only)
0.00
|
|
Daily Counts | |
Days With Precipitation
8
|
Days With Thunderstorms
3
|
Days With Fog
17
|
Days With Snow
0
|
Days With Lows Below Freezing
*
|
Days above 90° F (32.2° C)
2
|
Records | |
Record High
38.90 °C
|
Record Low
-2.20 °C
|
Record Wind Speed
105.60 km/h
|
Record Monthly Snowfall
0.0 cm
|
Record 24-hour Snowfall
0.00 cm
|
Record Monthly Rainfall
155 mm
|
Record 24-hour Rainfall
68 mm
|
Record Minimum Monthly Precipitation
0.38 mm
|
Averages | |
Average High Temperature
18.30 °C
|
Average Low Temperature
6.70 °C
|
Average Mean Temp
12.80 °C
|
Average Dew Point
6.10 °C
|
Average Windspeed
9.30 km/h
|
Average Wind Direction
*
|
Average Morning Relative Humidity
80.3
|
Average Afternoon Relative Humidity
56.3
|
Typical Sky Cover
*
|
Average Precipitation (US Only)
5.84
|
Average Snowfall (US Only)
0.30
|
|
Daily Counts | |
Days With Precipitation
9
|
Days With Thunderstorms
1
|
Days With Fog
16
|
Days With Snow
*
|
Days With Lows Below Freezing
3
|
Days above 90° F (32.2° C)
*
|
Records | |
Record High
32.80 °C
|
Record Low
-6.70 °C
|
Record Wind Speed
103.70 km/h
|
Record Monthly Snowfall
5.1 cm
|
Record 24-hour Snowfall
5.10 cm
|
Record Monthly Rainfall
155 mm
|
Record 24-hour Rainfall
96 mm
|
Record Minimum Monthly Precipitation
0.36 mm
|
Averages | |
Average High Temperature
10.60 °C
|
Average Low Temperature
1.70 °C
|
Average Mean Temp
6.10 °C
|
Average Dew Point
1.10 °C
|
Average Windspeed
11.10 km/h
|
Average Wind Direction
*
|
Average Morning Relative Humidity
77.7
|
Average Afternoon Relative Humidity
64.5
|
Typical Sky Cover
*
|
Average Precipitation (US Only)
8.00
|
Average Snowfall (US Only)
6.10
|
|
Daily Counts | |
Days With Precipitation
11
|
Days With Thunderstorms
1
|
Days With Fog
13
|
Days With Snow
2
|
Days With Lows Below Freezing
13
|
Days above 90° F (32.2° C)
0
|
Records | |
Record High
27.20 °C
|
Record Low
-17.20 °C
|
Record Wind Speed
109.30 km/h
|
Record Monthly Snowfall
43.9 cm
|
Record 24-hour Snowfall
21.60 cm
|
Record Monthly Rainfall
255 mm
|
Record 24-hour Rainfall
83 mm
|
Record Minimum Monthly Precipitation
2.03 mm
|
Averages | |
Average High Temperature
4.40 °C
|
Average Low Temperature
-3.90 °C
|
Average Mean Temp
0.60 °C
|
Average Dew Point
-4.40 °C
|
Average Windspeed
11.10 km/h
|
Average Wind Direction
*
|
Average Morning Relative Humidity
78.7
|
Average Afternoon Relative Humidity
69.0
|
Typical Sky Cover
*
|
Average Precipitation (US Only)
6.95
|
Average Snowfall (US Only)
13.20
|
|
Daily Counts | |
Days With Precipitation
12
|
Days With Thunderstorms
1
|
Days With Fog
14
|
Days With Snow
4
|
Days With Lows Below Freezing
23
|
Days above 90° F (32.2° C)
0
|
Records | |
Record High
23.30 °C
|
Record Low
-27.80 °C
|
Record Wind Speed
103.70 km/h
|
Record Monthly Snowfall
47.2 cm
|
Record 24-hour Snowfall
35.30 cm
|
Record Monthly Rainfall
140 mm
|
Record 24-hour Rainfall
43 mm
|
Record Minimum Monthly Precipitation
1.90 mm
|
Rise 6:16AM
Set 8:50PM
Waxing gibbous
Rise7:17PM
Set4:56AM
TUESDAY NIGHT
DAY / No delays
Day | Reason | Upper Soil Moisture | Lower Soil Moisture | |
Tuesday | Fire danger low | 31% | 31% | |
Wednesday | Fire danger very low | 31% | 31% | |
Thursday | Fire danger very low | 31% | 31% | |
Friday | Fire danger very low | 31% | 31% | |
Saturday | Fire danger very low | 31% | 31% | |
Sunday | Fire danger very low | 31% | 31% |
Rise 6:16AM
Set 8:50PM
Waxing gibbous
Rise7:17PM
Set4:56AM
TUESDAY NIGHT
DAY / No delays
Rise 6:16AM
Set 8:50PM
Waxing gibbous
Rise7:17PM
Set4:56AM
TUESDAY NIGHT
DAY / No delays