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 (29.89")
1901-1911 Base Period
189503 - 189602 27.27" 2 -2.62"
189603 - 189702 30.50" 11 0.61"
189703 - 189802 28.60" 7 -1.29"
189803 - 189902 30.38" 9 0.49"
189903 - 190002 28.08" 4 -1.81"
190003 - 190102 30.49" 10 0.60"
190103 - 190202 27.52" 3 -2.37"
190203 - 190302 31.92" 14 2.03"
190303 - 190402 28.30" 6 -1.59"
190403 - 190502 28.24" 5 -1.65"
190503 - 190602 32.32" 15 2.43"
190603 - 190702 33.16" 16 3.27"
190703 - 190802 31.00" 13 1.11"
190803 - 190902 30.79" 12 0.90"
190903 - 191002 29.83" 8 -0.06"
191003 - 191102 25.22" 1 -4.67"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 16, 2019 from https://www.ncdc.noaa.gov/cag/