White Mountain Region Forecast

Tuesday, May 13, 2008

Valley Forecast:

Temperature

Wind

Today

Sunny.

mid 60s°F

N 10-15 mph w/ gusts

Tonight

Clear.

mid 30s°F

N around 10 mph becoming variable and light

Extended Outlook:

Highs

Lows

Tomorrow

Sunny early then increasingly cloudy.

around 70°F

upper 30s°F

Thursday

Cloudy w/ a chance of rain showers.

upper 50s°F

mid 30s°F

Friday

Partly cloudy. Slight chance of rain showers overnight.

upper 50s°F

mid 30s°F

Saturday

Mostly cloudy w/ a chance of rain showers.

mid 50s°F

mid 30s°F

Summits Outlook: Mountain weather is subject to rapid changes and extreme conditions. Always be prepared to make your own assessment of travel and weather conditions. This outlook is one tool to help you plan a safe trip. Always travel with adequate clothing, shelter, food, and water.

Today

Tonight

Tomorrow

In the clear under clearing skies. Wind chills 0-10 above rising to 15-25 above.

In the clear under mostly clear skies. Wind chills 15-25 above.

In the clear under mostly clear skies. Wind chills 20-30 above and rising.

Highs:

around 40°F

Lows:

lower 30s°F

Highs:

mid 40s°F

Wind:

NE shifting N 30-45 mph decreasing to 15-30 mph

Wind:

NNE 15-30 mph decreasing to 10-25 mph

Wind:

N shifting SW 5-20 mph

Air Quality Forecast: Good levels

Summit Data:

Auto Road Vertical Temperature Profile at

6288'

4:35 AM Summit Conditions

Yesterday

Almanac for Tuesday, May 13, 2008

31.9°F

Weather:

Mostly cloudy

Max. Temperature:

33°F

Record High:

55°F

set in

1985

5300'

Min. Temperature:

19°F

Record Low:

9°F

set in

2005

38.9°F

Temperature:

24°F

Peak Gust:

E 53 mph

Average Daily Temperature:

35°F

4300'

Wind:

NE 39 mph

Average Wind Speed:

31.7 mph

Average Monthly Temperature:

35.5°F

45.9°F

Wind Chill:

5.0°F

Liquid Precipitation:

0.00"

Average Monthly Precipitation:

8.21

3300'

Relative Humidity:

83%

Average Monthly Snowfall:

12.50

53.2°F

Visibility:

120 miles

Monthly Total Liquid Precip:

0.48"

Average Monthly Winds Speed:

28.3

2300'

Barometric Pressure:

23.73" rising slowly

Snowfall:

0.0"

Sunrise:

5:15 A.M.

Sunset:

8:09 P.M.

57.1°F

Ground Conditions:

Run-off from patches of snow/ice

Monthly Total Snowfall:

0.3"

Length of Day:

14 hours 54 minutes

1600'

Special Phenomena:

57.6°F

 

 

Days with Fog this Month:

10

The Mount Washington Observatory is a private, non-profit organization supported by the generosity of its members. Its mission is to advance understanding of the natural forces that create the Earth's weather and climate.

www.mountwashington.org