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 (17.49")
1901-1948 Base Period
189512 - 189606 17.58" 24 0.09"
189612 - 189706 17.72" 26 0.23"
189712 - 189806 17.38" 21 -0.11"
189812 - 189906 16.92" 16 -0.57"
189912 - 190006 17.79" 28 0.30"
190012 - 190106 15.86" 10 -1.63"
190112 - 190206 17.25" 19 -0.24"
190212 - 190306 19.12" 49 1.63"
190312 - 190406 16.60" 13 -0.89"
190412 - 190506 19.47" 53 1.98"
190512 - 190606 18.09" 31 0.60"
190612 - 190706 18.79" 43 1.30"
190712 - 190806 19.34" 52 1.85"
190812 - 190906 18.11" 32 0.62"
190912 - 191006 15.01" 4 -2.48"
191012 - 191106 14.99" 3 -2.50"
191112 - 191206 19.13" 50 1.64"
191212 - 191306 17.13" 18 -0.36"
191312 - 191406 16.80" 14 -0.69"
191412 - 191506 18.92" 45 1.43"
191512 - 191606 18.53" 39 1.04"
191612 - 191706 16.42" 12 -1.07"
191712 - 191806 15.30" 7 -2.19"
191812 - 191906 18.50" 38 1.01"
191912 - 192006 17.39" 22 -0.10"
192012 - 192106 17.39" 22 -0.10"
192112 - 192206 19.06" 48 1.57"
192212 - 192306 18.66" 41 1.17"
192312 - 192406 16.33" 11 -1.16"
192412 - 192506 15.18" 5 -2.31"
192512 - 192606 15.26" 6 -2.23"
192612 - 192706 18.91" 44 1.42"
192712 - 192806 17.73" 27 0.24"
192812 - 192906 18.00" 29 0.51"
192912 - 193006 15.84" 9 -1.65"
193012 - 193106 13.49" 1 -4.00"
193112 - 193206 18.79" 43 1.30"
193212 - 193306 16.96" 17 -0.53"
193312 - 193406 14.64" 2 -2.85"
193412 - 193506 18.40" 37 0.91"
193512 - 193606 15.53" 8 -1.96"
193612 - 193706 18.93" 46 1.44"
193712 - 193806 19.30" 51 1.81"
193812 - 193906 16.88" 15 -0.61"
193912 - 194006 17.30" 20 -0.19"
194012 - 194106 18.26" 35 0.77"
194112 - 194206 18.31" 36 0.82"
194212 - 194306 18.15" 33 0.66"
194312 - 194406 18.62" 40 1.13"
194412 - 194506 19.06" 48 1.57"
194512 - 194606 18.26" 35 0.77"
194612 - 194706 17.70" 25 0.21"
194712 - 194806 18.05" 30 0.56"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 16, 2019 from https://www.ncdc.noaa.gov/cag/