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 (16.53")
1901-1940 Base Period
189511 - 189605 17.23" 27 0.70"
189611 - 189705 17.91" 36 1.38"
189711 - 189805 16.60" 22 0.07"
189811 - 189905 16.21" 19 -0.32"
189911 - 190005 16.75" 24 0.22"
190011 - 190105 15.63" 14 -0.90"
190111 - 190205 15.81" 16 -0.72"
190211 - 190305 19.23" 45 2.70"
190311 - 190405 15.32" 8 -1.21"
190411 - 190505 17.19" 26 0.66"
190511 - 190605 17.24" 28 0.71"
190611 - 190705 18.16" 37 1.63"
190711 - 190805 18.57" 42 2.04"
190811 - 190905 16.55" 21 0.02"
190911 - 191005 15.48" 11 -1.05"
191011 - 191105 14.55" 5 -1.98"
191111 - 191205 18.53" 41 2.00"
191211 - 191305 15.94" 17 -0.59"
191311 - 191405 16.26" 20 -0.27"
191411 - 191505 17.25" 29 0.72"
191511 - 191605 17.39" 31 0.86"
191611 - 191705 15.49" 12 -1.04"
191711 - 191805 14.00" 4 -2.53"
191811 - 191905 17.85" 35 1.32"
191911 - 192005 17.30" 30 0.77"
192011 - 192105 16.75" 24 0.22"
192111 - 192205 18.77" 44 2.24"
192211 - 192305 17.44" 32 0.91"
192311 - 192405 15.44" 9 -1.09"
192411 - 192505 13.64" 3 -2.89"
192511 - 192605 14.93" 6 -1.60"
192611 - 192705 18.66" 43 2.13"
192711 - 192805 16.20" 18 -0.33"
192811 - 192905 17.52" 33 0.99"
192911 - 193005 15.47" 10 -1.06"
193011 - 193105 13.63" 2 -2.90"
193111 - 193205 18.27" 39 1.74"
193211 - 193305 17.53" 34 1.00"
193311 - 193405 13.10" 1 -3.43"
193411 - 193505 18.21" 38 1.68"
193511 - 193605 15.66" 15 -0.87"
193611 - 193705 16.96" 25 0.43"
193711 - 193805 18.34" 40 1.81"
193811 - 193905 15.57" 13 -0.96"
193911 - 194005 15.31" 7 -1.22"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published August 2019, retrieved on August 20, 2019 from https://www.ncdc.noaa.gov/cag/