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 (12.95")
1901-1931 Base Period
189506 - 189510 11.14" 4 -1.81"
189606 - 189610 12.79" 18 -0.16"
189706 - 189710 11.51" 5 -1.44"
189806 - 189810 13.84" 29 0.89"
189906 - 189910 12.13" 10 -0.82"
190006 - 190010 14.20" 31 1.25"
190106 - 190110 11.98" 9 -0.97"
190206 - 190210 12.95" 20 0.00"
190306 - 190310 12.78" 17 -0.17"
190406 - 190410 12.72" 15 -0.23"
190506 - 190510 14.10" 30 1.15"
190606 - 190610 14.72" 35 1.77"
190706 - 190710 13.21" 23 0.26"
190806 - 190810 12.77" 16 -0.18"
190906 - 190910 12.49" 14 -0.46"
191006 - 191010 11.53" 6 -1.42"
191106 - 191110 13.36" 24 0.41"
191206 - 191210 13.39" 25 0.44"
191306 - 191310 12.90" 19 -0.05"
191406 - 191410 13.16" 22 0.21"
191506 - 191510 14.80" 36 1.85"
191606 - 191610 13.07" 21 0.12"
191706 - 191710 10.94" 2 -2.01"
191806 - 191810 12.41" 13 -0.54"
191906 - 191910 14.28" 33 1.33"
192006 - 192010 13.60" 28 0.65"
192106 - 192110 12.39" 12 -0.56"
192206 - 192210 11.02" 3 -1.93"
192306 - 192310 14.28" 33 1.33"
192406 - 192410 11.80" 8 -1.15"
192506 - 192510 13.49" 26 0.54"
192606 - 192610 14.29" 34 1.34"
192706 - 192710 13.51" 27 0.56"
192806 - 192810 14.84" 37 1.89"
192906 - 192910 12.35" 11 -0.60"
193006 - 193010 10.72" 1 -2.23"
193106 - 193110 11.53" 6 -1.42"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 18, 2019 from https://www.ncdc.noaa.gov/cag/