Weather

Temperature:
Average temp... -27.1°C / -16.8°F
Maximum temp... -22.5°C / -8.5°F on day 12
Minimum temp... -30.0°C / -22.0°F on day 18

Wind:
Average wind speed.......... 9.9 mph or 8.6 knots
Prevailing wind direction... Grid East
Maximum wind speed.......... 32 mph or 28 knots on day 18
Maximum wind direction...... Grid East
Average vectored wind....... 104 degrees at 5.3 knots

Station Pressure:
Average pressure... 687.7 mb
Highest pressure... 694.9 mb on day 14
Lowest pressure.... 681.3 mb on day 12

Physio-altitude:
Average physio-alt = 10339 ft/ 3151 m
Highest physio-alt = 10579 ft/ 3224 m on day 12
Lowest physio-alt= 10071 ft/ 3070 m on day 14

Sky Cover:
Average cloud cover (8ths)... 4
Days clear................... 2
Days partly cloudy........... 5
Days cloudy.................. 0

Sunshine:
Sunset on 22 March 2013
Average hours per day... 22.2
Percent of possible..... 93

Visibility:
0 days with visibility of 1/4 mile or less.

Balloon flight data:
Number of soundings for the week..... 14
Average height of soundings.......... 21.5 mb, or 26563 meters
Highest sounding..................... 18.6 mb, or 27558 meterson day 14/00Z flight
0 soundings were missed.

**RECORDS**
Day 18: The peak wind speed of 28 knots/32 mph broke the previous record of 23 knots/26 mph set in 1978.