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 (14.05")
1901-2000 Base Period
189511 - 189604 14.27" 77 0.22"
189611 - 189704 15.79" 107 1.74"
189711 - 189804 13.37" 37 -0.68"
189811 - 189904 13.47" 43 -0.58"
189911 - 190004 14.30" 79 0.25"
190011 - 190104 12.97" 26 -1.08"
190111 - 190204 12.81" 17 -1.24"
190211 - 190304 16.22" 112 2.17"
190311 - 190404 12.73" 15 -1.32"
190411 - 190504 13.45" 42 -0.60"
190511 - 190604 14.08" 70 0.03"
190611 - 190704 14.71" 91 0.66"
190711 - 190804 14.44" 81 0.39"
190811 - 190904 13.51" 47 -0.54"
190911 - 191004 12.89" 20 -1.16"
191011 - 191104 12.58" 12 -1.47"
191111 - 191204 15.64" 103 1.59"
191211 - 191304 13.43" 41 -0.62"
191311 - 191404 13.78" 60 -0.27"
191411 - 191504 13.36" 36 -0.69"
191511 - 191604 14.51" 84 0.46"
191611 - 191704 12.85" 18 -1.20"
191711 - 191804 11.41" 5 -2.64"
191811 - 191904 14.65" 89 0.60"
191911 - 192004 14.51" 84 0.46"
192011 - 192104 14.20" 74 0.15"
192111 - 192204 15.66" 104 1.61"
192211 - 192304 14.31" 80 0.26"
192311 - 192404 13.02" 27 -1.03"
192411 - 192504 11.72" 7 -2.33"
192511 - 192604 12.72" 14 -1.33"
192611 - 192704 15.67" 105 1.62"
192711 - 192804 13.86" 64 -0.19"
192811 - 192904 14.01" 67 -0.04"
192911 - 193004 12.30" 10 -1.75"
193011 - 193104 11.34" 4 -2.71"
193111 - 193204 15.85" 108 1.80"
193211 - 193304 14.14" 73 0.09"
193311 - 193404 11.29" 3 -2.76"
193411 - 193504 14.49" 82 0.44"
193511 - 193604 13.41" 39 -0.64"
193611 - 193704 14.63" 88 0.58"
193711 - 193804 15.10" 97 1.05"
193811 - 193904 13.37" 37 -0.68"
193911 - 194004 13.09" 29 -0.96"
194011 - 194104 14.70" 90 0.65"
194111 - 194204 13.41" 39 -0.64"
194211 - 194304 13.84" 62 -0.21"
194311 - 194404 14.05" 69 0.00"
194411 - 194504 15.46" 101 1.41"
194511 - 194604 13.87" 65 -0.18"
194611 - 194704 13.76" 58 -0.29"
194711 - 194804 14.83" 93 0.78"
194811 - 194904 16.10" 111 2.05"
194911 - 195004 13.57" 48 -0.48"
195011 - 195104 13.59" 50 -0.46"
195111 - 195204 15.32" 98 1.27"
195211 - 195304 14.87" 94 0.82"
195311 - 195404 12.88" 19 -1.17"
195411 - 195504 11.92" 8 -2.13"
195511 - 195604 12.94" 23 -1.11"
195611 - 195704 13.73" 55 -0.32"
195711 - 195804 15.95" 110 1.90"
195811 - 195904 12.35" 11 -1.70"
195911 - 196004 13.06" 28 -0.99"
196011 - 196104 13.67" 53 -0.38"
196111 - 196204 14.29" 78 0.24"
196211 - 196304 11.70" 6 -2.35"
196311 - 196404 14.25" 76 0.20"
196411 - 196504 14.89" 95 0.84"
196511 - 196604 12.96" 25 -1.09"
196611 - 196704 12.71" 13 -1.34"
196711 - 196804 12.94" 23 -1.11"
196811 - 196904 15.37" 100 1.32"
196911 - 197004 13.71" 54 -0.34"
197011 - 197104 12.76" 16 -1.29"
197111 - 197204 13.75" 57 -0.30"
197211 - 197304 17.84" 119 3.79"
197311 - 197404 16.27" 113 2.22"
197411 - 197504 15.89" 109 1.84"
197511 - 197604 12.90" 21 -1.15"
197611 - 197704 10.65" 1 -3.40"
197711 - 197804 15.33" 99 1.28"
197811 - 197904 16.91" 115 2.86"
197911 - 198004 14.54" 86 0.49"
198011 - 198104 10.88" 2 -3.17"
198111 - 198204 14.52" 85 0.47"
198211 - 198304 18.41" 120 4.36"
198311 - 198404 16.52" 114 2.47"
198411 - 198504 13.31" 35 -0.74"
198511 - 198604 13.49" 45 -0.56"
198611 - 198704 13.57" 48 -0.48"
198711 - 198804 13.27" 34 -0.78"
198811 - 198904 13.62" 51 -0.43"
198911 - 199004 13.74" 56 -0.31"
199011 - 199104 15.47" 102 1.42"
199111 - 199204 14.23" 75 0.18"
199211 - 199304 17.21" 118 3.16"
199311 - 199404 13.65" 52 -0.40"
199411 - 199504 15.69" 106 1.64"
199511 - 199604 14.13" 72 0.08"
199611 - 199704 16.92" 116 2.87"
199711 - 199804 17.08" 117 3.03"
199811 - 199904 14.82" 92 0.77"
199911 - 200004 12.19" 9 -1.86"
200011 - 200104 13.17" 31 -0.88"
200111 - 200204 12.93" 22 -1.12"
200211 - 200304 13.95" 66 -0.10"
200311 - 200404 13.86" 64 -0.19"
200411 - 200504 15.03" 96 0.98"
200511 - 200604 13.49" 45 -0.56"
200611 - 200704 13.81" 61 -0.24"
200711 - 200804 14.11" 71 0.06"
200811 - 200904 13.47" 43 -0.58"
200911 - 201004 14.02" 68 -0.03"
201011 - 201104 14.63" 88 0.58"
201111 - 201204 13.77" 59 -0.28"
201211 - 201304 13.21" 32 -0.84"
201311 - 201404 13.12" 30 -0.93"
201411 - 201504 13.24" 33 -0.81"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 21, 2019 from https://www.ncdc.noaa.gov/cag/