Table 7 Total number of strikes, percent of strikes, and number of strikes per year per 100 km² by polarity and bioregion in California, 1997 through 2000.

North Coast

847

17.1

0.65

1.05

4 109

82.9

3.15

1.67

4 956

Klamath Mts.

1 118

10.6

1.24

1.08

9 468

89.4

10.50

1.63

10 586

Cascade Range

1 460

10.1

1.88

1.08

12 991

89.9

16.69

1.69

14 451

NE Plateaus

1 466

8.2

1.80

1.06

16 487

91.8

20.26

1.78

17 953

Sierra Nevada

6 369

10.6

2.37

1.09

53 849

89.4

20.07

1.92

60 218

Central Valley

2 044

10.7

0.90

1.11

7 844

79.3

3.47

1.71

9 888

Central Coast

773

11.4

0.50

1.10

6 025

88.6

3.91

1.76

6 798

South Coast

1 615

5.3

0.96

1.07

28 908

94.7

17.20

1.75

30 523

SE Deserts

7 344

3.8

1.67

1.08

187 130

96.2

42.57

1.88

194 474

Total

23 036

6.6

1.41

1.08

326 811

93.4

19.97

1.85

349 847