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 (9.43")
1901-1954 Base Period
189501 - 189504 8.71" 11 -0.72"
189601 - 189604 9.45" 27 0.02"
189701 - 189704 11.22" 60 1.79"
189801 - 189804 8.52" 9 -0.91"
189901 - 189904 9.49" 29 0.06"
190001 - 190004 9.95" 43 0.52"
190101 - 190104 8.94" 18 -0.49"
190201 - 190204 8.76" 13 -0.67"
190301 - 190304 10.30" 53 0.87"
190401 - 190404 9.46" 28 0.03"
190501 - 190504 10.27" 52 0.84"
190601 - 190604 9.59" 34 0.16"
190701 - 190704 9.34" 25 -0.09"
190801 - 190804 9.50" 30 0.07"
190901 - 190904 10.11" 45 0.68"
191001 - 191004 7.34" 1 -2.09"
191101 - 191104 9.13" 20 -0.30"
191201 - 191204 10.58" 55 1.15"
191301 - 191304 9.81" 40 0.38"
191401 - 191404 9.16" 21 -0.27"
191501 - 191504 9.35" 26 -0.08"
191601 - 191604 9.78" 39 0.35"
191701 - 191704 9.16" 21 -0.27"
191801 - 191804 8.80" 14 -0.63"
191901 - 191904 9.67" 37 0.24"
192001 - 192004 9.90" 41 0.47"
192101 - 192104 9.19" 23 -0.24"
192201 - 192204 11.01" 59 1.58"
192301 - 192304 9.56" 32 0.13"
192401 - 192404 8.31" 6 -1.12"
192501 - 192504 7.73" 3 -1.70"
192601 - 192604 8.90" 16 -0.53"
192701 - 192704 10.13" 48 0.70"
192801 - 192804 8.43" 7 -1.00"
192901 - 192904 10.12" 47 0.69"
193001 - 193004 8.13" 5 -1.30"
193101 - 193104 7.78" 4 -1.65"
193201 - 193204 9.93" 42 0.50"
193301 - 193304 9.20" 24 -0.23"
193401 - 193404 7.58" 2 -1.85"
193501 - 193504 9.57" 33 0.14"
193601 - 193604 9.60" 35 0.17"
193701 - 193704 10.70" 56 1.27"
193801 - 193804 10.51" 54 1.08"
193901 - 193904 9.65" 36 0.22"
194001 - 194004 10.22" 50 0.79"
194101 - 194104 8.95" 19 -0.48"
194201 - 194204 8.88" 15 -0.55"
194301 - 194304 8.49" 8 -0.94"
194401 - 194404 10.87" 58 1.44"
194501 - 194504 10.72" 57 1.29"
194601 - 194604 8.93" 17 -0.50"
194701 - 194704 8.74" 12 -0.69"
194801 - 194804 10.06" 44 0.63"
194901 - 194904 10.12" 47 0.69"
195001 - 195004 10.16" 49 0.73"
195101 - 195104 9.56" 32 0.13"
195201 - 195204 9.77" 38 0.34"
195301 - 195304 10.27" 52 0.84"
195401 - 195404 8.59" 10 -0.84"

Citing This Page

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