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 1987
0"0.25"0.5"1"3"5"10"20"30"
Climate Regions (Hover over a Climate Region)
PrecipPrecipitation:
Rank:
Anomaly:
Mean:
March - May 1987 Climate Regions Regional Precipitation
Climate Region
Value
Rank
131 Years
Anomaly
1901-2000 Mean
Northeast9.77in54-0.80in10.57in
Upper Midwest6.42in23-1.21in7.63in
Ohio Valley8.72in14-3.27in11.99in
Southeast11.03in42-1.15in12.18in
Northern Rockies and Plains6.09in900.57in5.52in
South9.68in66-0.28in9.96in
Southwest3.44in860.11in3.33in
Northwest7.65in64-0.11in7.76in
West4.56in73-0.03in4.59in

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