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 (2.49")
1901-1941 Base Period
189504 1.99" 5 -0.50"
189604 2.59" 27 0.10"
189704 2.42" 24 -0.07"
189804 2.02" 8 -0.47"
189904 1.78" 2 -0.71"
190004 3.41" 47 0.92"
190104 2.53" 25 0.04"
190204 1.85" 4 -0.64"
190304 1.99" 5 -0.50"
190404 2.12" 15 -0.37"
190504 2.80" 35 0.31"
190604 2.08" 12 -0.41"
190704 2.32" 21 -0.17"
190804 2.69" 31 0.20"
190904 2.28" 20 -0.21"
191004 2.06" 10 -0.43"
191104 2.85" 38 0.36"
191204 3.34" 46 0.85"
191304 2.05" 9 -0.44"
191404 2.73" 33 0.24"
191504 2.32" 21 -0.17"
191604 2.09" 13 -0.40"
191704 2.68" 29 0.19"
191804 2.82" 36 0.33"
191904 2.41" 23 -0.08"
192004 3.30" 45 0.81"
192104 2.79" 34 0.30"
192204 3.08" 44 0.59"
192304 2.84" 37 0.35"
192404 2.26" 19 -0.23"
192504 2.10" 14 -0.39"
192604 2.18" 18 -0.31"
192704 3.05" 43 0.56"
192804 2.92" 39 0.43"
192904 2.93" 40 0.44"
193004 1.83" 3 -0.66"
193104 2.07" 11 -0.42"
193204 2.14" 16 -0.35"
193304 2.54" 26 0.05"
193404 1.77" 1 -0.72"
193504 2.73" 33 0.24"
193604 2.00" 7 -0.49"
193704 2.68" 29 0.19"
193804 2.69" 31 0.20"
193904 2.16" 17 -0.33"
194004 3.04" 42 0.55"
194104 3.01" 41 0.52"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 17, 2019 from https://www.ncdc.noaa.gov/cag/