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 (21.60")
1901-2000 Base Period
189507 - 189603 19.87" 22 -1.73"
189607 - 189703 23.52" 107 1.92"
189707 - 189803 19.98" 23 -1.62"
189807 - 189903 22.46" 84 0.86"
189907 - 190003 20.05" 25 -1.55"
190007 - 190103 21.61" 61 0.01"
190107 - 190203 20.34" 30 -1.26"
190207 - 190303 24.29" 113 2.69"
190307 - 190403 20.51" 32 -1.09"
190407 - 190503 20.26" 28 -1.34"
190507 - 190603 22.80" 92 1.20"
190607 - 190703 24.07" 110 2.47"
190707 - 190803 21.84" 70 0.24"
190807 - 190903 20.98" 41 -0.62"
190907 - 191003 20.09" 26 -1.51"
191007 - 191103 18.78" 10 -2.82"
191107 - 191203 23.46" 104 1.86"
191207 - 191303 22.06" 73 0.46"
191307 - 191403 21.24" 47 -0.36"
191407 - 191503 21.35" 52 -0.25"
191507 - 191603 24.04" 108 2.44"
191607 - 191703 20.00" 24 -1.60"
191707 - 191803 17.09" 1 -4.51"
191807 - 191903 22.40" 83 0.80"
191907 - 192003 22.52" 86 0.92"
192007 - 192103 22.12" 77 0.52"
192107 - 192203 22.07" 74 0.47"
192207 - 192303 19.79" 19 -1.81"
192307 - 192403 21.74" 67 0.14"
192407 - 192503 18.65" 9 -2.95"
192507 - 192603 21.12" 44 -0.48"
192607 - 192703 24.42" 115 2.82"
192707 - 192803 21.33" 49 -0.27"
192807 - 192903 21.64" 63 0.04"
192907 - 193003 20.19" 27 -1.41"
193007 - 193103 17.66" 2 -3.94"
193107 - 193203 23.10" 99 1.50"
193207 - 193303 21.69" 65 0.09"
193307 - 193403 19.27" 15 -2.33"
193407 - 193503 20.65" 34 -0.95"
193507 - 193603 20.60" 33 -1.00"
193607 - 193703 21.54" 60 -0.06"
193707 - 193803 22.19" 80 0.59"
193807 - 193903 20.36" 31 -1.24"
193907 - 194003 18.34" 6 -3.26"
194007 - 194103 20.93" 38 -0.67"
194107 - 194203 23.43" 103 1.83"
194207 - 194303 22.19" 80 0.59"
194307 - 194403 19.23" 14 -2.37"
194407 - 194503 21.41" 56 -0.19"
194507 - 194603 23.30" 102 1.70"
194607 - 194703 21.26" 48 -0.34"
194707 - 194803 21.11" 43 -0.49"
194807 - 194903 22.66" 88 1.06"
194907 - 195003 22.08" 75 0.48"
195007 - 195103 22.24" 81 0.64"
195107 - 195203 23.25" 101 1.65"
195207 - 195303 18.99" 12 -2.61"
195307 - 195403 18.43" 7 -3.17"
195407 - 195503 18.26" 5 -3.34"
195507 - 195603 20.68" 35 -0.92"
195607 - 195703 18.51" 8 -3.09"
195707 - 195803 22.99" 96 1.39"
195807 - 195903 20.82" 37 -0.78"
195907 - 196003 22.93" 95 1.33"
196007 - 196103 21.49" 58 -0.11"
196107 - 196203 22.64" 87 1.04"
196207 - 196303 19.46" 16 -2.14"
196307 - 196403 19.15" 13 -2.45"
196407 - 196503 21.75" 68 0.15"
196507 - 196603 20.98" 41 -0.62"
196607 - 196703 19.67" 17 -1.93"
196707 - 196803 20.71" 36 -0.89"
196807 - 196903 22.80" 92 1.20"
196907 - 197003 21.33" 49 -0.27"
197007 - 197103 21.62" 62 0.02"
197107 - 197203 22.80" 92 1.20"
197207 - 197303 25.57" 122 3.97"
197307 - 197403 24.57" 117 2.97"
197407 - 197503 23.52" 107 1.92"
197507 - 197603 21.37" 55 -0.23"
197607 - 197703 18.01" 4 -3.59"
197707 - 197803 24.31" 114 2.71"
197807 - 197903 22.91" 94 1.31"
197907 - 198003 23.16" 100 1.56"
198007 - 198103 17.89" 3 -3.71"
198107 - 198203 23.03" 97 1.43"
198207 - 198303 25.49" 121 3.89"
198307 - 198403 22.89" 93 1.29"
198407 - 198503 22.16" 78 0.56"
198507 - 198603 23.08" 98 1.48"
198607 - 198703 24.08" 111 2.48"
198707 - 198803 19.86" 20 -1.74"
198807 - 198903 21.34" 51 -0.26"
198907 - 199003 21.41" 56 -0.19"
199007 - 199103 22.51" 85 0.91"
199107 - 199203 22.10" 76 0.50"
199207 - 199303 24.84" 118 3.24"
199307 - 199403 21.67" 64 0.07"
199407 - 199503 23.49" 105 1.89"
199507 - 199603 21.71" 66 0.11"
199607 - 199703 25.64" 123 4.04"
199707 - 199803 24.96" 120 3.36"
199807 - 199903 22.71" 89 1.11"
199907 - 200003 18.84" 11 -2.76"
200007 - 200103 19.72" 18 -1.88"
200107 - 200203 20.31" 29 -1.29"
200207 - 200303 22.05" 72 0.45"
200307 - 200403 21.21" 46 -0.39"
200407 - 200503 24.57" 117 2.97"
200507 - 200603 20.95" 40 -0.65"
200607 - 200703 22.28" 82 0.68"
200707 - 200803 21.94" 71 0.34"
200807 - 200903 21.35" 52 -0.25"
200907 - 201003 24.23" 112 2.63"
201007 - 201103 21.79" 69 0.19"
201107 - 201203 20.94" 39 -0.66"
201207 - 201303 19.86" 20 -1.74"
201307 - 201403 21.35" 52 -0.25"
201407 - 201503 21.20" 45 -0.40"
201507 - 201603 24.96" 120 3.36"
201607 - 201703 24.06" 109 2.46"
201707 - 201803 21.50" 59 -0.10"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 17, 2019 from https://www.ncdc.noaa.gov/cag/