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Table 4 : Composite fire interval (CFI) data for the post-settlement era (1850–1904) from fire history sites in the Plumas National Forest, northern Sierra Nevada, California. “-” indicates instances where too few intervals remained after filtering to calculate interval statistics.

From: Fire history and climate influences from forests in the Northern Sierra Nevada, USA

  

No Filter

  

10% Filter

  

25% Filter

  

Site

Period

Intervals

Mean

Med

Range

Intervals

Mean

Med

Range

Intervals

Mean

Med

Range

  

(years)

(years)

(years)

Antelope Lake Group

56-03

1850–1904

3

7.7

8.0

5–10

2

11.5

11.5

10–13

1

23.0

-

-

56-04

1850–1904

2

11.5

11.5

6–17

1

17.0

-

-

1

17.0

-

-

56-08

1850–1904

2

6.5

6.5

6–7

2

6.5

6.5

6–7

2

6.5

6.5

6–7

56-10

1850–1904

2

9.5

9.5

6–13

0

-

-

-

0

-

-

-

56-12

1850–1904

5

9.6

8.0

4–14

4

12.0

14.0

4–16

4

12.0

14.0

4–16

East Quincy Group

56-02

1850–1904

4

12.3

7.5

5–29

2

17.5

17.5

6–29

2

17.5

17.5

6–29

Frenchman Lake Group

51-01

1850–1904

2

13.5

13.5

5–22

1

22.0

-

-

0

-

-

-

51-02

1850–1904

2

16.5

16.5

10–23

0

-

-

-

0

-

-

-

Portola Valley Group

51-25

1850–1904

2

10.5

10.5

7–14

0

-

-

-

0

-

-

-

51-27

1850–1904

3

13.7

15.0

9–17

0

-

-

-

0

-

-

-

51-29

1850–1904

3

11.3

9.0

6–19

1

15.0

-

-

0

-

-

-