Extreme Precipitation (≥95 Percentile of Daily Precipitation) in Maryland
1991-2020 Climatology: January 1 - December 31


NOTE: Data From NCEI's nClimDiv-Daily Data set v1.0.0
Data labeled as scaled on November 11, 2024.

Region95th Percentile
Threshold (in)
1 Jan-31Dec
1951-2000		Number of Days with
Extreme Precipitation (#)		Mean Precipitation of
Extreme Precipitation (in)		Maximum Precipitation (in)Day when
Maximum Precipitation
Occurs
Statewide 0.64 19 1.05 2.3121 Aug
Clim. Div. 1 0.69 19 1.18 2.7327 Aug
Clim. Div. 2 0.69 18 1.16 2.64 8 Aug
Clim. Div. 3 0.66 19 1.15 2.8429 Aug
Clim. Div. 4 0.67 19 1.18 2.7618 Aug
Clim. Div. 5 0.69 19 1.14 2.5319 Aug
Clim. Div. 6 0.67 20 1.13 2.52 6 Sep
Clim. Div. 7 0.60 18 0.99 2.1326 Aug
Clim. Div. 8 0.63 19 0.98 2.02 9 Aug
Allegany 0.58 19 0.96 2.16 6 Sep
Anne Arundel 0.67 20 1.18 2.8420 Aug
Baltimore 0.70 20 1.19 2.7730 Aug
Calvert 0.69 19 1.20 2.92 2 Sep
Caroline 0.69 19 1.15 2.6116 Aug
Carroll 0.67 20 1.12 2.57 9 Sep
Cecil 0.71 19 1.19 2.6414 Aug
Charles 0.66 18 1.15 2.8111 Sep
Dorchester 0.69 19 1.16 2.70 4 Aug
Frederick 0.66 20 1.11 2.5130 Aug
Garrett 0.63 19 0.98 2.02 9 Aug
Harford 0.71 19 1.20 2.6522 Aug
Howard 0.69 19 1.19 2.7426 Aug
Kent 0.69 19 1.14 2.5415 Aug
Montgomery 0.67 19 1.13 2.5625 Aug
Prince George's0.67 19 1.18 2.7319 Aug
Queen Anne's 0.69 19 1.14 2.5416 Aug
Saint Mary's 0.67 19 1.17 2.9412 Aug
Somerset 0.66 20 1.15 2.7419 Aug
Talbot 0.69 18 1.18 2.6630 Jul
Washington 0.61 19 1.02 2.2722 Aug
Wicomico 0.70 18 1.20 2.7931 Aug
Worcester 0.69 19 1.19 2.7612 Aug
Baltimore City 0.69 20 1.20 2.8918 Aug