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 (44.61")
1901-1956 Base Period
189501 - 189606 42.60" 14 -2.01"
189601 - 189706 45.99" 43 1.38"
189701 - 189806 44.52" 25 -0.09"
189801 - 189906 44.77" 28 0.16"
189901 - 190006 44.14" 22 -0.47"
190001 - 190106 44.83" 29 0.22"
190101 - 190206 42.28" 12 -2.33"
190201 - 190306 46.82" 48 2.21"
190301 - 190406 44.52" 25 -0.09"
190401 - 190506 45.26" 33 0.65"
190501 - 190606 48.39" 58 3.78"
190601 - 190706 48.75" 61 4.14"
190701 - 190806 47.59" 55 2.98"
190801 - 190906 46.18" 45 1.57"
190901 - 191006 43.60" 18 -1.01"
191001 - 191106 38.21" 2 -6.40"
191101 - 191206 45.70" 37 1.09"
191201 - 191306 45.51" 35 0.90"
191301 - 191406 44.33" 23 -0.28"
191401 - 191506 45.23" 32 0.62"
191501 - 191606 48.67" 60 4.06"
191601 - 191706 43.66" 19 -0.95"
191701 - 191806 38.99" 3 -5.62"
191801 - 191906 44.62" 27 0.01"
191901 - 192006 47.34" 53 2.73"
192001 - 192106 45.94" 42 1.33"
192101 - 192206 45.60" 36 0.99"
192201 - 192306 45.88" 40 1.27"
192301 - 192406 45.18" 31 0.57"
192401 - 192506 39.08" 4 -5.53"
192501 - 192606 40.56" 7 -4.05"
192601 - 192706 47.18" 52 2.57"
192701 - 192806 47.11" 51 2.50"
192801 - 192906 45.76" 38 1.15"
192901 - 193006 43.78" 21 -0.83"
193001 - 193106 37.79" 1 -6.82"
193101 - 193206 42.93" 15 -1.68"
193201 - 193306 44.48" 24 -0.13"
193301 - 193406 39.48" 5 -5.13"
193401 - 193506 42.27" 11 -2.34"
193501 - 193606 43.24" 16 -1.37"
193601 - 193706 43.42" 17 -1.19"
193701 - 193806 47.38" 54 2.77"
193801 - 193906 44.91" 30 0.30"
193901 - 194006 41.75" 9 -2.86"
194001 - 194106 45.83" 39 1.22"
194101 - 194206 48.31" 57 3.70"
194201 - 194306 46.48" 47 1.87"
194301 - 194406 43.69" 20 -0.92"
194401 - 194506 47.62" 56 3.01"
194501 - 194606 48.59" 59 3.98"
194601 - 194706 46.85" 49 2.24"
194701 - 194806 45.41" 34 0.80"
194801 - 194906 46.99" 50 2.38"
194901 - 195006 46.14" 44 1.53"
195001 - 195106 46.24" 46 1.63"
195101 - 195206 45.91" 41 1.30"
195201 - 195306 42.41" 13 -2.20"
195301 - 195406 42.09" 10 -2.52"
195401 - 195506 39.92" 6 -4.69"
195501 - 195606 41.33" 8 -3.28"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 22, 2019 from https://www.ncdc.noaa.gov/cag/