New Hampshire Drought Summary

Percent of time spent in drought categories

-- Northern Climate Division --
PDSI Category Percent of Time in Category Cumulative Percent Time
Extreme 0.0 0.0
Severe 2.5 2.5
Moderate 8.7 11.2
Mild 18.1 29.3
Incipient 10.8 40.1
Near Normal 8.8 48.8
Wet 51.2 100.0
Lowest PDSI in 1335 months -3.99 in 10/1948

-- Southern Climate Division --
PDSI Category Percent of Time in Category Cumulative Percent Time
Extreme 0.8 0.8
Severe 3.8 4.6
Moderate 8.1 12.7
Mild 20.4 33.2
Incipient 11.6 44.8
Near Normal 14.5 59.3
Wet 40.7 100.0
Lowest PDSI in 1335 months -4.43 in 8/1965

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.