Regional Mapping

Regional Data Info
Please note, Degree Days are not available for Great Plains, Souther Plains and Gulf Coast, Rockies and Westward, River Basins, or Agricultural Belts. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales. Data are available for bulk download.
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Precipitation
February - April 1931
0"0.25"0.5"1"3"5"10"20"30"
Climate Regions (Hover over a Climate Region)
PrecipPrecipitation:
Anomaly:
Rank:
Mean:
February - April 1931 Climate Regions Regional Precipitation
Climate Region
Value
Anomaly
Rank
130 Years
1901-2000 Mean
Northeast8.03in-1.60in259.63in
Upper Midwest3.44in-1.80in75.24in
Ohio Valley9.08in-1.32in3810.40in
Southeast9.66in-2.58in2612.24in
Northern Rockies and Plains2.63in-1.06in53.69in
South8.16in0.02in678.14in
Southwest4.27in1.06in1133.21in
Northwest8.47in-0.76in539.23in
West3.94in-2.45in266.39in

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