Climate at a Glance

National Time Series

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Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.


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Dates Value Rank Departure From Mean (29.93")
1901-2000 Base Period
189511 - 189610 30.02" 59 0.09"
189611 - 189710 29.42" 43 -0.51"
189711 - 189810 30.44" 64 0.51"
189811 - 189910 28.34" 25 -1.59"
189911 - 190010 30.95" 78 1.02"
190011 - 190110 27.61" 21 -2.32"
190111 - 190210 28.76" 32 -1.17"
190211 - 190310 32.01" 94 2.08"
190311 - 190410 28.04" 23 -1.89"
190411 - 190510 31.29" 81 1.36"
190511 - 190610 31.96" 93 2.03"
190611 - 190710 31.37" 84 1.44"
190711 - 190810 31.34" 82 1.41"
190811 - 190910 29.04" 37 -0.89"
190911 - 191010 27.01" 11 -2.92"
191011 - 191110 27.91" 22 -2.02"
191111 - 191210 31.92" 91 1.99"
191211 - 191310 28.84" 33 -1.09"
191311 - 191410 29.42" 43 -0.51"
191411 - 191510 32.05" 96 2.12"
191511 - 191610 30.46" 67 0.53"
191611 - 191710 26.43" 7 -3.50"
191711 - 191810 26.41" 6 -3.52"
191811 - 191910 32.13" 97 2.20"
191911 - 192010 30.90" 76 0.97"
192011 - 192110 29.14" 39 -0.79"
192111 - 192210 29.79" 52 -0.14"
192211 - 192310 31.72" 89 1.79"
192311 - 192410 27.24" 17 -2.69"
192411 - 192510 27.13" 14 -2.80"
192511 - 192610 29.22" 41 -0.71"
192611 - 192710 32.17" 98 2.24"
192711 - 192810 31.04" 80 1.11"
192811 - 192910 29.87" 56 -0.06"
192911 - 193010 26.19" 5 -3.74"
193011 - 193110 25.16" 2 -4.77"
193111 - 193210 31.42" 85 1.49"
193211 - 193310 28.73" 30 -1.20"
193311 - 193410 24.58" 1 -5.35"
193411 - 193510 30.59" 71 0.66"
193511 - 193610 27.16" 15 -2.77"
193611 - 193710 29.85" 55 -0.08"
193711 - 193810 30.61" 72 0.68"
193811 - 193910 27.18" 16 -2.75"
193911 - 194010 27.53" 20 -2.40"
194011 - 194110 34.03" 111 4.10"
194111 - 194210 30.51" 68 0.58"
194211 - 194310 28.98" 36 -0.95"
194311 - 194410 29.06" 38 -0.87"
194411 - 194510 32.83" 103 2.90"
194511 - 194610 31.01" 79 1.08"
194611 - 194710 29.60" 49 -0.33"
194711 - 194810 29.48" 46 -0.45"
194811 - 194910 32.87" 104 2.94"
194911 - 195010 30.25" 62 0.32"
195011 - 195110 29.73" 51 -0.20"
195111 - 195210 27.29" 18 -2.64"
195211 - 195310 28.62" 27 -1.31"
195311 - 195410 26.90" 9 -3.03"
195411 - 195510 27.12" 13 -2.81"
195511 - 195610 26.18" 4 -3.75"
195611 - 195710 31.71" 88 1.78"
195711 - 195810 32.22" 99 2.29"
195811 - 195910 30.19" 60 0.26"
195911 - 196010 28.74" 31 -1.19"
196011 - 196110 29.92" 57 -0.01"
196111 - 196210 30.25" 62 0.32"
196211 - 196310 25.19" 3 -4.74"
196311 - 196410 28.69" 28 -1.24"
196411 - 196510 31.35" 83 1.42"
196511 - 196610 27.07" 12 -2.86"
196611 - 196710 29.48" 46 -0.45"
196711 - 196810 29.42" 43 -0.51"
196811 - 196910 31.74" 90 1.81"
196911 - 197010 29.81" 53 -0.12"
197011 - 197110 29.52" 48 -0.41"
197111 - 197210 30.86" 75 0.93"
197211 - 197310 34.77" 114 4.84"
197311 - 197410 32.28" 100 2.35"
197411 - 197510 33.24" 106 3.31"
197511 - 197610 28.23" 24 -1.70"
197611 - 197710 27.33" 19 -2.60"
197711 - 197810 30.59" 71 0.66"
197811 - 197910 33.68" 109 3.75"
197911 - 198010 29.14" 39 -0.79"
198011 - 198110 28.87" 35 -1.06"
198111 - 198210 31.53" 87 1.60"
198211 - 198310 34.15" 112 4.22"
198311 - 198410 33.42" 107 3.49"
198411 - 198510 30.31" 63 0.38"
198511 - 198610 31.44" 86 1.51"
198611 - 198710 28.53" 26 -1.40"
198711 - 198810 26.46" 8 -3.47"
198811 - 198910 30.84" 74 0.91"
198911 - 199010 30.46" 67 0.53"
199011 - 199110 31.96" 93 2.03"
199111 - 199210 30.46" 67 0.53"
199211 - 199310 34.60" 113 4.67"
199311 - 199410 29.61" 50 -0.32"
199411 - 199510 33.16" 105 3.23"
199511 - 199610 32.03" 95 2.10"
199611 - 199710 33.55" 108 3.62"
199711 - 199810 33.78" 110 3.85"
199811 - 199910 30.01" 58 0.08"
199911 - 200010 26.95" 10 -2.98"
200011 - 200110 28.71" 29 -1.22"
200111 - 200210 28.86" 34 -1.07"
200211 - 200310 30.52" 69 0.59"
200311 - 200410 32.82" 102 2.89"
200411 - 200510 30.93" 77 1.00"
200511 - 200610 29.30" 42 -0.63"
200611 - 200710 29.84" 54 -0.09"
200711 - 200810 30.82" 73 0.89"
200811 - 200910 32.38" 101 2.45"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 19, 2019 from https://www.ncdc.noaa.gov/cag/