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 (26.61")
1901-1934 Base Period
189507 - 189605 25.42" 12 -1.19"
189607 - 189705 28.06" 30 1.45"
189707 - 189805 25.23" 10 -1.38"
189807 - 189905 26.98" 23 0.37"
189907 - 190005 25.91" 15 -0.70"
190007 - 190105 26.80" 22 0.19"
190107 - 190205 25.19" 7 -1.42"
190207 - 190305 29.29" 36 2.68"
190307 - 190405 25.22" 9 -1.39"
190407 - 190505 26.80" 22 0.19"
190507 - 190605 28.04" 29 1.43"
190607 - 190705 29.84" 38 3.23"
190707 - 190805 28.66" 34 2.05"
190807 - 190905 26.30" 16 -0.31"
190907 - 191005 24.74" 6 -1.87"
191007 - 191105 23.60" 5 -3.01"
191107 - 191205 29.69" 37 3.08"
191207 - 191305 26.62" 20 0.01"
191307 - 191405 26.45" 18 -0.16"
191407 - 191505 27.56" 25 0.95"
191507 - 191605 29.01" 35 2.40"
191607 - 191705 25.32" 11 -1.29"
191707 - 191805 22.50" 2 -4.11"
191807 - 191905 28.01" 28 1.40"
191907 - 192005 28.61" 33 2.00"
192007 - 192105 27.46" 24 0.85"
192107 - 192205 28.26" 32 1.65"
192207 - 192305 25.76" 14 -0.85"
192307 - 192405 26.42" 17 -0.19"
192407 - 192505 22.67" 3 -3.94"
192507 - 192605 25.51" 13 -1.10"
192607 - 192705 30.46" 39 3.85"
192707 - 192805 26.59" 19 -0.02"
192807 - 192905 28.08" 31 1.47"
192907 - 193005 25.19" 7 -1.42"
193007 - 193105 22.02" 1 -4.59"
193107 - 193205 27.66" 27 1.05"
193207 - 193305 27.62" 26 1.01"
193307 - 193405 22.85" 4 -3.76"

Citing This Page

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