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 (30.38°F)
1901-1903 Base Period
189501 - 189502 26.64°F 1 -3.74°F
189601 - 189602 33.26°F 9 2.88°F
189701 - 189702 30.78°F 6 0.40°F
189801 - 189802 33.02°F 8 2.64°F
189901 - 189902 27.59°F 2 -2.79°F
190001 - 190002 32.44°F 7 2.06°F
190101 - 190102 30.74°F 4 0.36°F
190201 - 190202 30.76°F 5 0.38°F
190301 - 190302 29.65°F 3 -0.73°F

Citing This Page

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