A Comparative Study on the Positive Lightning Return Stroke Electric Fields in Different Meteorological Conditions

Table 3

Statistical summary of 10–90% rise time for 48 positive return strokes.

	First return stroke	Subsequent return strokes	All
AM	9.6	8.2	9.4
SD	14.5	5.6	13.2
GM	4.9	6.6	5.1
Min	0.7	1.7	0.7
Max	82.6	17.5	82.6
Sample size,	39	9	48