Table 3.

Percentage of Annual Highs and Lows in Deer Mouse Abundance (MNA), Number of Infected Deer Mice (MNI) and Estimated Standing Prevalence of Deer Mice, Peromyscus maniculatus, Detected at Each Month, for Each Grid Between June 1994 and January 2009

Grid	10 MNA	11 MNA	12 MNA	11 MNI	12 MNI	11 ESP	12 ESP
Highs
January	7	21	0	7	29	14	29
February	7	0	0	7	36	14	29
March	7	7	7	14	43	7	29
April	0	0	0	21	43	7	43
May	0	0	0	64	50	29	43
June	0	0	7	29	43	29	43
July	0	7	7	7	36	14	43
August	21	21	21	14	43	14	36
September	21	21	14	14	29	7	29
October	21	21	14	29	36	21	36
November	7	0	7	7	36	7	29
December	7	14	21	21	43	14	29
Lows
January	7	14	7	64	100	57	100
February	14	14	7	71	86	79	86
March	0	0	0	43	64	36	64
April	7	7	0	29	71	29	71
May	0	0	0	14	71	14	64
June	7	0	21	36	64	36	64
July	29	14	29	36	71	29	71
August	21	7	14	43	79	43	79
September	21	7	21	57	93	50	93
October	7	7	0	64	71	57	71
November	0	21	14	79	86	71	86
December	0	29	0	64	86	43	86