April 2013 Summary – Monthly Notes
Blue Hill Observatory
April 2013 Summary:
Monthly Notes:
BLUE HILL METEOROLOGICAL OBSERVATORY – STATION NO. 19-0737-02
MILTON, MA 02186 ID # 19-0737-02
UNUSUALLY HIGH BAROMETRIC PRESSURE RECORDED FOR APRIL
AT 30.74 INS. [mean sea level] ON 22 April.
Maximum station pressure 30.012 ins.
The last higher pressure in any month was 30.78 on March 4, 2011.
Here are the highest for April since 1942.
Highest April Sea-Level Pressure, Ins. (1942-2013)
1) 30.84 in 1973
2) 30.74 in 2013
3) 30.70 in 1945
4) 30.69 in 1954
5) 30.66 in 2003
SEASONAL SNOWFALL TIED FOR 12th HIGHEST ON RECORD
Greatest Seasonal Snowfall, inches (1885-2013)
1) 144.4 in 1995-96
2) 136.0 in 1947-48
3) 119.4 in 2004-05
4) 113.1 in 2002-03
5) 111.5 in 1915-16
6) 109.6 in 1966-67
7) 106.8 in 1955-56
8) 103.4 in 1903-04
9) 102.5 in 1922-23
10) 101.1 in 1906-07
101.1 in 1993-94
12) 99.0 in 1886-87
99.0 in 2012-13
