Table 1. Linear regression line slope and y-intercept for lightning energy frequencies.

X	Y	m	b	R2	Value at 50%
Log E (MJ/m)	f (total = 1)	−0.5877	0.5211	0.9496	1.3 MJ/m
Log E (MJ/m)	length (1466 cm = 1)	−0.6174	0.5731	0.9438	1.6 MJ/m
Log E (MJ)	f (total = 1)	−0.4986	−0.1435	0.9852	0.051 MJ