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Table 6 Number of strokes per strike and percent of strikes by polarity in California, 1997 through 2000.

From: Temporal and Spatial Distribution of Lightning Strikes in California in Relation to Large-Scale Weather Patterns

Strokes Positive Negative
Strikes % Strikes %
1 21 541 93.5 187 073 57.2
2 1 232 5.3 71 394 21.8
3 177 0.8 33 859 10.4
4 48 0.2 16 980 5.2
5 24 0.1 8 614 2.6
6 6 0.0 4 560 1.4
7 5 0.0 2 315 0.7
8 2 0.0 1 189 0.4
9 0 0.0 618 0.2
10 1 0.0 91 0.0
11 0 0.0 61 0.0
12 0 0.0 26 0.0
13 0 0.0 16 0.0
14 0 0.0 7 0.0
15 0 0.0 6 0.0
Total 23 036 100.0 326 811 100.0