Here's February's 2015 monthly analysis of the pushes to our Mozilla development trees. You can load the data as an HTML page or as a json file.

Trends
Although February is a shorter month, the number of pushes were close to those recorded in the previous month.  We had a higher average number of daily pushes (358) than in January (348).

Highlights
10015 pushes
358 pushes/day (average)
Highest number of pushes/day: 574 pushes on Feb 25, 2015
23.18 pushes/hour (highest)

General Remarks
Try had around 46% of all the pushes
The three integration repositories (fx-team, mozilla-inbound and b2g-inbound) account around 22% of all the pushes

Records
August 2014 was the month with most pushes (13090  pushes)
August 2014 has the highest pushes/day average with 422 pushes/day
July 2014 has the highest average of "pushes-per-hour" with 23.51 pushes/hour
October 8, 2014 had the highest number of pushes in one day with 715 pushes 

http://relengofthenerds.blogspot.com/2015/03/mozilla-pushes-february-2015.html