REISTERSTOWN MARYLAND – MAY 2015 – MONTHLY CLIMATOLOGICAL SUMMARY

MAY 2015 CLIMATOLOGICAL SUMMARY
REISTERSTOWN MARYLAND CITY OFFICE
by Observer in charge/NJWO member Ray Muller

Average maximum temperature 81.0°
Average minimum temperature 59.3°
Average mean temperature 70.2°
High temperature 88° (18/1632 and 31/1551)
Low temperature 44° (14/0605)
Max daily range in temperature 32° 82°-50° (13)
Min daily range in temperature 9° 58°-49° (21)
Min max temperature 58° (21)
Max min temperature 70° (12)
Heating degree days 43
Cooling degree days 211

Monthly precipitation 1.23″
Year-to-date precipitation (through 5/31) 14.38″
Max precipitation in 12 hours 0.46″ (19)
Max precipitation in 24 hours 1.02″ (19)
Number of precipitation days with .01″ or more 4
Number of precipitation days wth .10″ or more 2
Number of precipitation days with .50″ or more 1
Number of precipitation days with 1.00″or more 1

Weather types
Fog 8
Dense Fog 1
Thunder 4
Haze 10

Sky cover
Clear days 8
Partly cloudy days 17
Cloudy days 6
Mean sky cover (sunrise to sunset) 4.8
Estimated percent of possible sunshine 65

Pressure
Highest barometric pressure 30.43″ (23)
Lowest barometric pressure 29.83″ (1)

Winds
Daily prevailing direction West
Mean speed 7.9 MPH
Fastest mile 23 MPH from 280° (31)
Peak wind gust 34 MPH from the W (31/2003) Gale wind days 1
Damaging wind days 0

Relative Humidity
Mean relative humidity
0700 83%
1300 51%
1900 54%
Minimum relative humidity 22% (24/1400)
Maximum relative humidity 100% on 8 separate days, mostly AM

Number of days with cumulonimbus clouds 3
No mammatus clouds observed
Number of days with cloud-to-cloud and cloud-to-ground lightning 3 On the 31st cloud-to-ground lightning strikes were less than a minute apart at times according to my lightning detector.

Summary: another consecutive dry month with very warm,
above normal temperatures.
Record driest month of May for this Reisterstown City Office location.


This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus

Advertisements
This entry was posted in Uncategorized. Bookmark the permalink.

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s