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 (118.60")
1901-1931 Base Period
189511 - 189910 118.22" 16 -0.38"
189611 - 190010 119.15" 20 0.55"
189711 - 190110 117.34" 13 -1.26"
189811 - 190210 115.66" 6 -2.94"
189911 - 190310 119.33" 22 0.73"
190011 - 190410 116.42" 12 -2.18"
190111 - 190510 120.10" 24 1.50"
190211 - 190610 123.30" 31 4.70"
190311 - 190710 122.66" 30 4.06"
190411 - 190810 125.96" 33 7.36"
190511 - 190910 123.71" 32 5.11"
190611 - 191010 118.76" 19 0.16"
190711 - 191110 115.30" 2 -3.30"
190811 - 191210 115.88" 10 -2.72"
190911 - 191310 115.68" 7 -2.92"
191011 - 191410 118.09" 15 -0.51"
191111 - 191510 122.23" 28 3.63"
191211 - 191610 120.77" 25 2.17"
191311 - 191710 118.36" 17 -0.24"
191411 - 191810 115.35" 4 -3.25"
191511 - 191910 115.43" 5 -3.17"
191611 - 192010 115.87" 9 -2.73"
191711 - 192110 118.58" 18 -0.02"
191811 - 192210 121.96" 27 3.36"
191911 - 192310 121.55" 26 2.95"
192011 - 192410 117.89" 14 -0.71"
192111 - 192510 115.88" 10 -2.72"
192211 - 192610 115.31" 3 -3.29"
192311 - 192710 115.76" 8 -2.84"
192411 - 192810 119.56" 23 0.96"
192511 - 192910 122.30" 29 3.70"
192611 - 193010 119.27" 21 0.67"
192711 - 193110 112.26" 1 -6.34"

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/