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 1966
0"0.25"0.5"1"3"5"10"20"30"
Climate Regions (Hover over a Climate Region)
PrecipPrecipitation:
Anomaly:
Rank:
Mean:
February - April 1966 Climate Regions Regional Precipitation
Climate Region
Value
Anomaly
Rank
130 Years
1901-2000 Mean
Northeast7.81in-1.82in189.63in
Upper Midwest5.59in0.35in745.24in
Ohio Valley9.74in-0.66in5710.40in
Southeast12.32in0.08in7012.24in
Northern Rockies and Plains3.10in-0.59in223.69in
South9.34in1.20in998.14in
Southwest1.76in-1.45in73.21in
Northwest6.91in-2.32in199.23in
West2.77in-3.62in66.39in

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