Maine Drought Summary

Percent of time spent in drought categories

-- Northern Climate Division --
PDSI Category Percent of Time in Category Cumulative Percent Time
Extreme 0.4 0.4
Severe 2.3 2.7
Moderate 10.3 13.0
Mild 16.0 29.1
Incipient 8.8 37.8
Near Normal 14.5 52.3
Wet 47.7 100.0
Lowest PDSI in 1335 months -4.94 in 12/1955

-- Southern Interior Climate Division --
PDSI Category Percent of Time in Category Cumulative Percent Time
Extreme 0.5 0.5
Severe 3.7 4.3
Moderate 8.0 12.3
Mild 16.4 28.7
Incipient 11.5 40.2
Near Normal 13.5 53.7
Wet 46.3 100.0
Lowest PDSI in 1335 months -4.74 in 12/2001

-- Coastal Climate Division --
PDSI Category Percent of Time in Category Cumulative Percent Time
Extreme 1.0 1.0
Severe 2.9 3.9
Moderate 6.9 10.8
Mild 17.5 28.2
Incipient 14.0 42.2
Near Normal 12.5 54.8
Wet 45.2 100.0
Lowest PDSI in 1335 months -5.08 in 9/1965

Based on the monthly Palmer Drought Severity Index as computed by the National Climatic Data Center.
"Cumulative" is the percent of time in given category plus all preceeding categories.