#month ndat med   sigma peak
200701    2 1.514 0.713 1.2 1.3
200702   12 1.402 0.724 1.2 1.3
200703   17 1.375 0.620 1.2 1.3
200704   13 1.369 0.605 1.1 1.2
200705   12 1.739 0.900 1.4 1.5
200706    3 1.164 0.554 1.1 1.2
200707    5 1.122 0.405 0.9 1.0
200708    8 0.917 0.830 0.7 0.8
200709    4 1.762 0.803 1.3 1.4
200710   15 1.391 0.626 1.2 1.3
200711   19 1.508 0.776 1.1 1.2
200712   16 1.565 0.908 1.3 1.4
2007all 126 1.405 0.755 1.1 1.2