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
Date Value Rank Departure From Mean (2.42")
1901-1919 Base Period
189503 1.99" 6 -0.43"
189603 2.41" 12 -0.01"
189703 3.62" 25 1.20"
189803 2.42" 13 0.00"
189903 2.82" 17 0.40"
190003 2.28" 10 -0.14"
190103 2.29" 11 -0.13"
190203 2.90" 18 0.48"
190303 3.01" 21 0.59"
190403 3.10" 22 0.68"
190503 2.94" 19 0.52"
190603 3.26" 23 0.84"
190703 2.45" 14 0.03"
190803 2.18" 8 -0.24"
190903 2.21" 9 -0.21"
191003 1.02" 1 -1.40"
191103 1.71" 3 -0.71"
191203 3.39" 24 0.97"
191303 2.99" 20 0.57"
191403 1.85" 4 -0.57"
191503 1.51" 2 -0.91"
191603 2.13" 7 -0.29"
191703 2.48" 15 0.06"
191803 1.85" 4 -0.57"
191903 2.71" 16 0.29"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 13, 2019 from https://www.ncdc.noaa.gov/cag/