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 (18.09")
1901-2000 Base Period
189501 - 189507 17.54" 36 -0.55"
189601 - 189607 18.27" 60 0.18"
189701 - 189707 19.15" 82 1.06"
189801 - 189807 17.70" 41 -0.39"
189901 - 189907 18.15" 58 0.06"
190001 - 190007 18.50" 63 0.41"
190101 - 190107 16.52" 18 -1.57"
190201 - 190207 17.74" 44 -0.35"
190301 - 190307 19.16" 83 1.07"
190401 - 190407 18.09" 55 0.00"
190501 - 190507 20.83" 103 2.74"
190601 - 190607 19.09" 78 1.00"
190701 - 190707 18.91" 76 0.82"
190801 - 190807 19.66" 89 1.57"
190901 - 190907 19.41" 87 1.32"
191001 - 191007 15.00" 4 -3.09"
191101 - 191107 16.16" 15 -1.93"
191201 - 191207 19.17" 84 1.08"
191301 - 191307 17.67" 40 -0.42"
191401 - 191407 16.94" 23 -1.15"
191501 - 191507 19.99" 96 1.90"
191601 - 191607 19.12" 80 1.03"
191701 - 191707 16.75" 20 -1.34"
191801 - 191807 15.97" 12 -2.12"
191901 - 191907 18.88" 74 0.79"
192001 - 192007 18.28" 61 0.19"
192101 - 192107 17.50" 32 -0.59"
192201 - 192207 19.71" 91 1.62"
192301 - 192307 18.69" 68 0.60"
192401 - 192407 15.87" 10 -2.22"
192501 - 192507 15.21" 5 -2.88"
192601 - 192607 16.46" 17 -1.63"
192701 - 192707 19.08" 77 0.99"
192801 - 192807 18.12" 56 0.03"
192901 - 192907 18.83" 73 0.74"
193001 - 193007 15.42" 6 -2.67"
193101 - 193107 14.92" 3 -3.17"
193201 - 193207 18.01" 52 -0.08"
193301 - 193307 16.87" 22 -1.22"
193401 - 193407 14.05" 1 -4.04"
193501 - 193507 19.13" 81 1.04"
193601 - 193607 16.07" 14 -2.02"
193701 - 193707 18.76" 70 0.67"
193801 - 193807 20.21" 99 2.12"
193901 - 193907 17.53" 35 -0.56"
194001 - 194007 17.92" 50 -0.17"
194101 - 194107 18.57" 64 0.48"
194201 - 194207 18.02" 53 -0.07"
194301 - 194307 17.72" 43 -0.37"
194401 - 194407 19.19" 85 1.10"
194501 - 194507 20.05" 97 1.96"
194601 - 194607 18.13" 57 0.04"
194701 - 194707 17.75" 45 -0.34"
194801 - 194807 19.12" 80 1.03"
194901 - 194907 19.38" 86 1.29"
195001 - 195007 19.70" 90 1.61"
195101 - 195107 18.22" 59 0.13"
195201 - 195207 17.05" 26 -1.04"
195301 - 195307 18.72" 69 0.63"
195401 - 195407 15.79" 8 -2.30"
195501 - 195507 16.69" 19 -1.40"
195601 - 195607 16.37" 16 -1.72"
195701 - 195707 20.54" 100 2.45"
195801 - 195807 19.95" 95 1.86"
195901 - 195907 17.58" 37 -0.51"
196001 - 196007 17.36" 29 -0.73"
196101 - 196107 18.63" 65 0.54"
196201 - 196207 17.82" 47 -0.27"
196301 - 196307 16.06" 13 -2.03"
196401 - 196407 17.78" 46 -0.31"
196501 - 196507 17.86" 48 -0.23"
196601 - 196607 15.69" 7 -2.40"
196701 - 196707 17.59" 38 -0.50"
196801 - 196807 17.49" 31 -0.60"
196901 - 196907 18.79" 71 0.70"
197001 - 197007 16.97" 25 -1.12"
197101 - 197107 16.79" 21 -1.30"
197201 - 197207 17.50" 32 -0.59"
197301 - 197307 20.81" 102 2.72"
197401 - 197407 17.86" 48 -0.23"
197501 - 197507 20.85" 105 2.76"
197601 - 197607 16.95" 24 -1.14"
197701 - 197707 15.90" 11 -2.19"
197801 - 197807 18.69" 68 0.60"
197901 - 197907 20.85" 105 2.76"
198001 - 198007 17.71" 42 -0.38"
198101 - 198107 17.60" 39 -0.49"
198201 - 198207 19.78" 92 1.69"
198301 - 198307 20.16" 98 2.07"
198401 - 198407 18.07" 54 -0.02"
198501 - 198507 15.86" 9 -2.23"
198601 - 198607 17.22" 27 -0.87"
198701 - 198707 17.51" 34 -0.58"
198801 - 198807 14.23" 2 -3.86"
198901 - 198907 18.68" 66 0.59"
199001 - 199007 19.94" 93 1.85"
199101 - 199107 19.95" 95 1.86"
199201 - 199207 18.30" 62 0.21"
199301 - 199307 21.00" 106 2.91"
199401 - 199407 17.99" 51 -0.10"
199501 - 199507 20.58" 101 2.49"
199601 - 199607 18.82" 72 0.73"
199701 - 199707 19.52" 88 1.43"
199801 - 199807 21.28" 107 3.19"
199901 - 199907 18.91" 76 0.82"
200001 - 200007 17.43" 30 -0.66"
200101 - 200107 17.35" 28 -0.74"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published November 2019, retrieved on December 8, 2019 from https://www.ncdc.noaa.gov/cag/