Climate at a Glance

National Time Series

Choose from the options below and click "Plot" to create a time series graph.
Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.


Place mouse on axis and left-click to pan; wheel up/down for zoom in/out (or shift key+left-click).

Download: xml csv json
Dates Value Rank Departure From Mean (6.80")
1901-1911 Base Period
189512 - 189602 6.98" 12 0.18"
189612 - 189702 6.68" 9 -0.12"
189712 - 189802 6.64" 8 -0.16"
189812 - 189902 6.61" 5 -0.19"
189912 - 190002 6.62" 7 -0.18"
190012 - 190102 5.78" 2 -1.02"
190112 - 190202 6.61" 5 -0.19"
190212 - 190302 8.23" 16 1.43"
190312 - 190402 5.68" 1 -1.12"
190412 - 190502 6.69" 10 -0.11"
190512 - 190602 6.55" 4 -0.25"
190612 - 190702 7.45" 15 0.65"
190712 - 190802 7.32" 13 0.52"
190812 - 190902 7.35" 14 0.55"
190912 - 191002 6.86" 11 0.06"
191012 - 191102 6.26" 3 -0.54"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 20, 2019 from https://www.ncdc.noaa.gov/cag/