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 (148.26")
1901-1929 Base Period
189504 - 190003 145.12" 5 -3.14"
189604 - 190103 147.93" 19 -0.33"
189704 - 190203 144.35" 2 -3.91"
189804 - 190303 148.98" 21 0.72"
189904 - 190403 146.59" 11 -1.67"
190004 - 190503 147.13" 15 -1.13"
190104 - 190603 149.27" 22 1.01"
190204 - 190703 153.49" 28 5.23"
190304 - 190803 152.19" 25 3.93"
190404 - 190903 154.62" 29 6.36"
190504 - 191003 155.18" 30 6.92"
190604 - 191103 148.45" 20 0.19"
190704 - 191203 146.58" 10 -1.68"
190804 - 191303 146.85" 12 -1.41"
190904 - 191403 144.54" 4 -3.72"
191004 - 191503 145.31" 7 -2.95"
191104 - 191603 152.83" 27 4.57"
191204 - 191703 150.56" 23 2.30"
191304 - 191803 144.41" 3 -3.85"
191404 - 191903 145.96" 9 -2.30"
191504 - 192003 147.65" 18 -0.61"
191604 - 192103 145.32" 8 -2.94"
191704 - 192203 147.42" 17 -0.84"
191804 - 192303 151.25" 24 2.99"
191904 - 192403 152.20" 26 3.94"
192004 - 192503 147.20" 16 -1.06"
192104 - 192603 144.15" 1 -4.11"
192204 - 192703 145.14" 6 -3.12"
192304 - 192803 146.95" 13 -1.31"
192404 - 192903 147.12" 14 -1.14"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 15, 2019 from https://www.ncdc.noaa.gov/cag/