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 (9.88")
1901-1940 Base Period
189502 - 189505 8.27" 4 -1.61"
189602 - 189605 10.01" 24 0.13"
189702 - 189705 10.95" 37 1.07"
189802 - 189805 9.32" 15 -0.56"
189902 - 189905 9.62" 22 -0.26"
190002 - 190005 10.66" 35 0.78"
190102 - 190105 9.61" 20 -0.27"
190202 - 190205 10.31" 29 0.43"
190302 - 190305 11.04" 39 1.16"
190402 - 190405 10.24" 27 0.36"
190502 - 190505 11.83" 45 1.95"
190602 - 190605 10.22" 26 0.34"
190702 - 190705 10.04" 25 0.16"
190802 - 190805 11.81" 44 1.93"
190902 - 190905 10.41" 31 0.53"
191002 - 191005 7.78" 3 -2.10"
191102 - 191105 8.66" 6 -1.22"
191202 - 191205 11.52" 42 1.64"
191302 - 191305 9.45" 18 -0.43"
191402 - 191405 9.14" 14 -0.74"
191502 - 191505 10.49" 33 0.61"
191602 - 191605 8.87" 10 -1.01"
191702 - 191705 9.61" 20 -0.27"
191802 - 191805 8.98" 12 -0.90"
191902 - 191905 10.96" 38 1.08"
192002 - 192005 10.48" 32 0.60"
192102 - 192105 9.63" 23 -0.25"
192202 - 192205 12.09" 46 2.21"
192302 - 192305 10.25" 28 0.37"
192402 - 192405 8.73" 8 -1.15"
192502 - 192505 7.36" 1 -2.52"
192602 - 192605 8.75" 9 -1.13"
192702 - 192705 11.35" 41 1.47"
192802 - 192805 9.49" 19 -0.39"
192902 - 192905 11.27" 40 1.39"
193002 - 193005 8.72" 7 -1.16"
193102 - 193105 8.51" 5 -1.37"
193202 - 193205 9.10" 13 -0.78"
193302 - 193305 10.34" 30 0.46"
193402 - 193405 7.57" 2 -2.31"
193502 - 193505 10.89" 36 1.01"
193602 - 193605 8.97" 11 -0.91"
193702 - 193705 9.38" 17 -0.50"
193802 - 193805 11.64" 43 1.76"
193902 - 193905 9.36" 16 -0.52"
194002 - 194005 10.51" 34 0.63"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published August 2019, retrieved on August 22, 2019 from https://www.ncdc.noaa.gov/cag/