Climate at a Glance

Regional Time Series

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Please note, Palmer Indices are not available for NWS Regions. 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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Download: xml csv json
Dates Value Rank Departure From Mean (17.35")
1901-1944 Base Period
189501 - 189512 17.24" 25 -0.11"
189601 - 189612 21.85" 44 4.50"
189701 - 189712 17.76" 28 0.41"
189801 - 189812 11.01" 2 -6.34"
189901 - 189912 19.01" 37 1.66"
190001 - 190012 15.40" 16 -1.95"
190101 - 190112 17.81" 29 0.46"
190201 - 190212 18.06" 31 0.71"
190301 - 190312 15.53" 17 -1.82"
190401 - 190412 21.41" 43 4.06"
190501 - 190512 15.92" 18 -1.43"
190601 - 190612 25.58" 48 8.23"
190701 - 190712 22.74" 46 5.39"
190801 - 190812 13.88" 11 -3.47"
190901 - 190912 25.90" 49 8.55"
191001 - 191012 11.90" 4 -5.45"
191101 - 191112 18.27" 34 0.92"
191201 - 191212 14.82" 15 -2.53"
191301 - 191312 18.01" 30 0.66"
191401 - 191412 19.43" 39 2.08"
191501 - 191512 19.87" 40 2.52"
191601 - 191612 20.14" 41 2.79"
191701 - 191712 12.04" 5 -5.31"
191801 - 191812 17.15" 24 -0.20"
191901 - 191912 14.24" 14 -3.11"
192001 - 192012 18.10" 32 0.75"
192101 - 192112 17.04" 22 -0.31"
192201 - 192212 19.15" 38 1.80"
192301 - 192312 12.23" 6 -5.12"
192401 - 192412 11.58" 3 -5.77"
192501 - 192512 16.70" 20 -0.65"
192601 - 192612 17.70" 27 0.35"
192701 - 192712 18.94" 35 1.59"
192801 - 192812 12.77" 8 -4.58"
192901 - 192912 10.48" 1 -6.87"
193001 - 193012 14.23" 13 -3.12"
193101 - 193112 17.36" 26 0.01"
193201 - 193212 12.66" 7 -4.69"
193301 - 193312 14.05" 12 -3.30"
193401 - 193412 13.72" 10 -3.63"
193501 - 193512 16.38" 19 -0.97"
193601 - 193612 18.95" 36 1.60"
193701 - 193712 20.36" 42 3.01"
193801 - 193812 22.28" 45 4.93"
193901 - 193912 12.95" 9 -4.40"
194001 - 194012 24.03" 47 6.68"
194101 - 194112 27.21" 50 9.86"
194201 - 194212 16.86" 21 -0.49"
194301 - 194312 18.13" 33 0.78"
194401 - 194412 17.05" 23 -0.30"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published January 2020, retrieved on January 24, 2020 from https://www.ncdc.noaa.gov/cag/