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 (4.62")
1901-1941 Base Period
189512 - 189601 4.93" 36 0.31"
189612 - 189701 3.89" 5 -0.73"
189712 - 189801 4.99" 38 0.37"
189812 - 189901 4.33" 17 -0.29"
189912 - 190001 4.10" 11 -0.52"
190012 - 190101 3.65" 3 -0.97"
190112 - 190201 4.05" 9 -0.57"
190212 - 190301 5.20" 41 0.58"
190312 - 190401 3.25" 2 -1.37"
190412 - 190501 4.34" 18 -0.28"
190512 - 190601 4.83" 31 0.21"
190612 - 190701 5.63" 43 1.01"
190712 - 190801 4.51" 23 -0.11"
190812 - 190901 4.47" 21 -0.15"
190912 - 191001 4.75" 27 0.13"
191012 - 191101 4.13" 13 -0.49"
191112 - 191201 4.90" 33 0.28"
191212 - 191301 4.97" 37 0.35"
191312 - 191401 4.81" 29 0.19"
191412 - 191501 5.25" 42 0.63"
191512 - 191601 6.42" 44 1.80"
191612 - 191701 4.37" 19 -0.25"
191712 - 191801 4.07" 10 -0.55"
191812 - 191901 4.57" 25 -0.05"
191912 - 192001 4.02" 7 -0.60"
192012 - 192101 4.86" 32 0.24"
192112 - 192201 4.27" 15 -0.35"
192212 - 192301 5.11" 39 0.49"
192312 - 192401 4.83" 31 0.21"
192412 - 192501 4.91" 34 0.29"
192512 - 192601 4.02" 7 -0.60"
192612 - 192701 4.44" 20 -0.18"
192712 - 192801 3.96" 6 -0.66"
192812 - 192901 4.10" 11 -0.52"
192912 - 193001 4.79" 28 0.17"
193012 - 193101 2.84" 1 -1.78"
193112 - 193201 6.63" 46 2.01"
193212 - 193301 5.17" 40 0.55"
193312 - 193401 4.48" 22 -0.14"
193412 - 193501 4.32" 16 -0.30"
193512 - 193601 4.65" 26 0.03"
193612 - 193701 6.44" 45 1.82"
193712 - 193801 4.54" 24 -0.08"
193812 - 193901 4.20" 14 -0.42"
193912 - 194001 3.81" 4 -0.81"
194012 - 194101 4.92" 35 0.30"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published November 2019, retrieved on November 22, 2019 from https://www.ncdc.noaa.gov/cag/