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 (146.91")
1901-1940 Base Period
189506 - 190005 146.11" 18 -0.80"
189606 - 190105 147.57" 26 0.66"
189706 - 190205 144.66" 11 -2.25"
189806 - 190305 148.73" 30 1.82"
189906 - 190405 146.78" 21 -0.13"
190006 - 190505 147.81" 27 0.90"
190106 - 190605 149.32" 32 2.41"
190206 - 190705 154.41" 40 7.50"
190306 - 190805 154.01" 39 7.10"
190406 - 190905 155.23" 41 8.32"
190506 - 191005 153.29" 38 6.38"
190606 - 191105 148.03" 28 1.12"
190706 - 191205 147.04" 23 0.13"
190806 - 191305 144.59" 10 -2.32"
190906 - 191405 144.43" 9 -2.48"
191006 - 191505 146.87" 22 -0.04"
191106 - 191605 152.98" 37 6.07"
191206 - 191705 149.65" 33 2.74"
191306 - 191805 145.26" 15 -1.65"
191406 - 191905 146.36" 20 -0.55"
191506 - 192005 147.53" 25 0.62"
191606 - 192105 145.69" 17 -1.22"
191706 - 192205 148.29" 29 1.38"
191806 - 192305 151.81" 36 4.90"
191906 - 192405 151.27" 35 4.36"
192006 - 192505 145.13" 14 -1.78"
192106 - 192605 143.20" 7 -3.71"
192206 - 192705 144.99" 12 -1.92"
192306 - 192805 146.24" 19 -0.67"
192406 - 192905 148.88" 31 1.97"
192506 - 193005 151.26" 34 4.35"
192606 - 193105 147.19" 24 0.28"
192706 - 193205 144.04" 8 -2.87"
192806 - 193305 145.01" 13 -1.90"
192906 - 193405 136.95" 1 -9.96"
193006 - 193505 138.82" 2 -8.09"
193106 - 193605 142.51" 6 -4.40"
193206 - 193705 141.17" 3 -5.74"
193306 - 193805 141.72" 4 -5.19"
193406 - 193905 145.26" 15 -1.65"
193506 - 194005 142.49" 5 -4.42"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published August 2019, retrieved on August 23, 2019 from https://www.ncdc.noaa.gov/cag/