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
January - March 1979
0"0.25"0.5"1"3"5"10"20"30"
Climate Regions (Hover over a Climate Region)
PrecipPrecipitation:
Anomaly:
Rank:
Mean:
January - March 1979 Climate Regions Regional Precipitation
Climate Region
Value
Anomaly
Rank
131 Years
1901-2000 Mean
Northeast13.50in4.23in1309.27in
Upper Midwest5.84in1.96in1293.88in
Ohio Valley10.85in1.32in919.53in
Southeast15.68in3.15in11612.53in
Northern Rockies and Plains3.18in0.35in1012.83in
South10.30in3.15in1257.15in
Southwest4.55in1.41in1203.14in
Northwest10.25in-1.15in4711.40in
West9.57in1.54in978.03in

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