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 (27.59")
1901-2000 Base Period
189501 - 189511 25.02" 17 -2.57"
189601 - 189611 28.27" 75 0.68"
189701 - 189711 27.14" 41 -0.45"
189801 - 189811 27.85" 62 0.26"
189901 - 189911 26.35" 29 -1.24"
190001 - 190011 28.97" 93 1.38"
190101 - 190111 25.03" 18 -2.56"
190201 - 190211 27.70" 55 0.11"
190301 - 190311 27.92" 63 0.33"
190401 - 190411 25.79" 22 -1.80"
190501 - 190511 30.30" 106 2.71"
190601 - 190611 29.96" 102 2.37"
190701 - 190711 28.25" 73 0.66"
190801 - 190811 28.07" 66 0.48"
190901 - 190911 28.59" 86 1.00"
191001 - 191011 23.22" 1 -4.37"
191101 - 191111 26.57" 33 -1.02"
191201 - 191211 28.38" 78 0.79"
191301 - 191311 27.53" 48 -0.06"
191401 - 191411 26.31" 28 -1.28"
191501 - 191511 30.14" 105 2.55"
191601 - 191611 27.24" 43 -0.35"
191701 - 191711 23.69" 3 -3.90"
191801 - 191811 26.12" 25 -1.47"
191901 - 191911 29.95" 101 2.36"
192001 - 192011 28.55" 83 0.96"
192101 - 192111 26.54" 31 -1.05"
192201 - 192211 27.22" 42 -0.37"
192301 - 192311 28.85" 88 1.26"
192401 - 192411 23.90" 6 -3.69"
192501 - 192511 25.30" 20 -2.29"
192601 - 192611 28.27" 75 0.68"
192701 - 192711 29.38" 97 1.79"
192801 - 192811 27.76" 59 0.17"
192901 - 192911 27.94" 64 0.35"
193001 - 193011 24.30" 11 -3.29"
193101 - 193111 24.14" 7 -3.45"
193201 - 193211 27.52" 47 -0.07"
193301 - 193311 24.84" 14 -2.75"
193401 - 193411 23.87" 4 -3.72"
193501 - 193511 27.71" 56 0.12"
193601 - 193611 24.49" 13 -3.10"
193701 - 193711 28.08" 68 0.49"
193801 - 193811 28.03" 65 0.44"
193901 - 193911 24.45" 12 -3.14"
194001 - 194011 27.57" 50 -0.02"
194101 - 194111 30.00" 103 2.41"
194201 - 194211 28.33" 76 0.74"
194301 - 194311 25.07" 19 -2.52"
194401 - 194411 28.56" 85 0.97"
194501 - 194511 30.33" 107 2.74"
194601 - 194611 29.15" 94 1.56"
194701 - 194711 27.36" 45 -0.23"
194801 - 194811 28.10" 69 0.51"
194901 - 194911 28.08" 68 0.49"
195001 - 195011 28.94" 92 1.35"
195101 - 195111 28.13" 71 0.54"
195201 - 195211 23.89" 5 -3.70"
195301 - 195311 25.81" 23 -1.78"
195401 - 195411 24.15" 8 -3.44"
195501 - 195511 25.50" 21 -2.09"
195601 - 195611 23.38" 2 -4.21"
195701 - 195711 31.47" 115 3.88"
195801 - 195811 28.91" 90 1.32"
195901 - 195911 28.38" 78 0.79"
196001 - 196011 26.85" 37 -0.74"
196101 - 196111 28.56" 85 0.97"
196201 - 196211 27.02" 39 -0.57"
196301 - 196311 24.22" 10 -3.37"
196401 - 196411 26.93" 38 -0.66"
196501 - 196511 27.64" 53 0.05"
196601 - 196611 24.92" 15 -2.67"
196701 - 196711 26.54" 31 -1.05"
196801 - 196811 27.57" 50 -0.02"
196901 - 196911 27.69" 54 0.10"
197001 - 197011 27.48" 46 -0.11"
197101 - 197111 27.13" 40 -0.46"
197201 - 197211 28.68" 87 1.09"
197301 - 197311 31.87" 117 4.28"
197401 - 197411 28.20" 72 0.61"
197501 - 197511 30.92" 112 3.33"
197601 - 197611 24.95" 16 -2.64"
197701 - 197711 27.72" 58 0.13"
197801 - 197811 27.61" 52 0.02"
197901 - 197911 30.89" 111 3.30"
198001 - 198011 26.70" 35 -0.89"
198101 - 198111 27.55" 49 -0.04"
198201 - 198211 30.10" 104 2.51"
198301 - 198311 31.32" 114 3.73"
198401 - 198411 28.91" 90 1.32"
198501 - 198511 28.51" 82 0.92"
198601 - 198611 29.38" 97 1.79"
198701 - 198711 26.14" 26 -1.45"
198801 - 198811 24.21" 9 -3.38"
198901 - 198911 27.71" 56 0.12"
199001 - 199011 29.48" 98 1.89"
199101 - 199111 29.67" 100 2.08"
199201 - 199211 28.47" 81 0.88"
199301 - 199311 30.66" 110 3.07"
199401 - 199411 28.43" 80 0.84"
199501 - 199511 30.44" 109 2.85"
199601 - 199611 30.41" 108 2.82"
199701 - 199711 29.55" 99 1.96"
199801 - 199811 31.81" 116 4.22"
199901 - 199911 26.74" 36 -0.85"
200001 - 200011 26.51" 30 -1.08"
200101 - 200111 26.66" 34 -0.93"
200201 - 200211 26.05" 24 -1.54"
200301 - 200311 28.13" 71 0.54"
200401 - 200411 31.07" 113 3.48"
200501 - 200511 27.79" 60 0.20"
200601 - 200611 27.25" 44 -0.34"
200701 - 200711 26.21" 27 -1.38"
200801 - 200811 28.40" 79 0.81"
200901 - 200911 29.22" 95 1.63"
201001 - 201011 28.92" 91 1.33"
201101 - 201111 27.84" 61 0.25"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 16, 2019 from https://www.ncdc.noaa.gov/cag/