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 (4.92")
1901-1910 Base Period
189502 - 189503 3.40" 2 -1.52"
189602 - 189603 4.46" 6 -0.46"
189702 - 189703 6.41" 16 1.49"
189802 - 189803 4.07" 3 -0.85"
189902 - 189903 5.10" 11 0.18"
190002 - 190003 4.80" 7 -0.12"
190102 - 190103 4.42" 5 -0.50"
190202 - 190203 5.46" 13 0.54"
190302 - 190303 6.04" 15 1.12"
190402 - 190403 5.53" 14 0.61"
190502 - 190503 5.29" 12 0.37"
190602 - 190603 4.98" 8 0.06"
190702 - 190703 4.27" 4 -0.65"
190802 - 190803 4.99" 9 0.07"
190902 - 190903 5.09" 10 0.17"
191002 - 191003 3.13" 1 -1.79"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 14, 2019 from https://www.ncdc.noaa.gov/cag/