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
March - May 1915
0"0.25"0.5"1"3"5"10"20"30"
Climate Regions (Hover over a Climate Region)
PrecipPrecipitation:
Anomaly:
Rank:
Mean:
March - May 1915 Climate Regions Regional Precipitation
Climate Region
Value
Anomaly
Rank
130 Years
1901-2000 Mean
Northeast6.00in-4.57in110.57in
Upper Midwest6.67in-0.96in347.63in
Ohio Valley9.23in-2.76in1611.99in
Southeast9.78in-2.40in2312.18in
Northern Rockies and Plains6.50in0.98in1025.52in
South10.55in0.59in829.96in
Southwest4.93in1.60in1243.33in
Northwest8.79in1.03in937.76in
West5.45in0.86in984.59in

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