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 (88.14")
1901-1940 Base Period
189506 - 189805 87.18" 19 -0.96"
189606 - 189905 88.86" 25 0.72"
189706 - 190005 87.04" 18 -1.10"
189806 - 190105 88.76" 24 0.62"
189906 - 190205 86.50" 15 -1.64"
190006 - 190305 89.80" 30 1.66"
190106 - 190405 88.07" 23 -0.07"
190206 - 190505 90.19" 33 2.05"
190306 - 190605 89.35" 29 1.21"
190406 - 190705 94.13" 41 5.99"
190506 - 190805 96.00" 43 7.86"
190606 - 190905 93.98" 40 5.84"
190706 - 191005 89.07" 27 0.93"
190806 - 191105 83.37" 3 -4.77"
190906 - 191205 85.94" 12 -2.20"
191006 - 191305 87.30" 20 -0.84"
191106 - 191405 90.38" 34 2.24"
191206 - 191505 88.90" 26 0.76"
191306 - 191605 91.76" 37 3.62"
191406 - 191705 91.16" 36 3.02"
191506 - 191805 85.69" 11 -2.45"
191606 - 191905 83.76" 6 -4.38"
191706 - 192005 86.78" 16 -1.36"
191806 - 192105 92.19" 38 4.05"
191906 - 192205 93.09" 39 4.95"
192006 - 192305 89.97" 32 1.83"
192106 - 192405 89.34" 28 1.20"
192206 - 192505 83.62" 5 -4.52"
192306 - 192605 83.58" 4 -4.56"
192406 - 192705 86.81" 17 -1.33"
192506 - 192805 91.08" 35 2.94"
192606 - 192905 95.02" 42 6.88"
192706 - 193005 89.89" 31 1.75"
192806 - 193105 84.53" 7 -3.61"
192906 - 193205 81.97" 1 -6.17"
193006 - 193305 84.83" 10 -3.31"
193106 - 193405 84.78" 9 -3.36"
193206 - 193505 84.67" 8 -3.47"
193306 - 193605 82.03" 2 -6.11"
193406 - 193705 86.19" 14 -1.95"
193506 - 193805 87.73" 22 -0.41"
193606 - 193905 87.53" 21 -0.61"
193706 - 194005 85.99" 13 -2.15"

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/