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 1971
0"0.25"0.5"1"3"5"10"20"30"
Climate Regions (Hover over a Climate Region)
PrecipPrecipitation:
Rank:
Anomaly:
Mean:
February - April 1971 Climate Regions Regional Precipitation
Climate Region
Value
Rank
131 Years
Anomaly
1901-2000 Mean
Northeast9.56in66-0.07in9.63in
Upper Midwest4.84in48-0.40in5.24in
Ohio Valley7.55in8-2.85in10.40in
Southeast13.78in961.54in12.24in
Northern Rockies and Plains4.31in1060.62in3.69in
South5.61in14-2.53in8.14in
Southwest2.14in22-1.07in3.21in
Northwest10.28in931.05in9.23in
West3.98in28-2.41in6.39in

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