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 (43.93")
1901-1942 Base Period
189512 - 189705 45.64" 33 1.71"
189612 - 189805 42.95" 14 -0.98"
189712 - 189905 44.36" 25 0.43"
189812 - 190005 42.83" 12 -1.10"
189912 - 190105 44.59" 26 0.66"
190012 - 190205 41.05" 8 -2.88"
190112 - 190305 46.54" 39 2.61"
190212 - 190405 44.34" 23 0.41"
190312 - 190505 43.40" 18 -0.53"
190412 - 190605 47.51" 43 3.58"
190512 - 190705 47.93" 46 4.00"
190612 - 190805 47.45" 42 3.52"
190712 - 190905 45.64" 33 1.71"
190812 - 191005 42.85" 13 -1.08"
190912 - 191105 38.61" 2 -5.32"
191012 - 191205 44.68" 27 0.75"
191112 - 191305 45.75" 36 1.82"
191212 - 191405 43.58" 19 -0.35"
191312 - 191505 44.36" 25 0.43"
191412 - 191605 47.93" 46 4.00"
191512 - 191705 43.85" 20 -0.08"
191612 - 191805 38.92" 3 -5.01"
191712 - 191905 43.31" 17 -0.62"
191812 - 192005 47.11" 41 3.18"
191912 - 192105 44.85" 29 0.92"
192012 - 192205 45.65" 34 1.72"
192112 - 192305 44.82" 28 0.89"
192212 - 192405 45.08" 30 1.15"
192312 - 192505 39.00" 4 -4.93"
192412 - 192605 40.69" 7 -3.24"
192512 - 192705 45.72" 35 1.79"
192612 - 192805 45.50" 31 1.57"
192712 - 192905 45.81" 37 1.88"
192812 - 193005 43.19" 15 -0.74"
192912 - 193105 37.86" 1 -6.07"
193012 - 193205 41.15" 9 -2.78"
193112 - 193305 46.41" 38 2.48"
193212 - 193405 39.81" 5 -4.12"
193312 - 193505 41.74" 10 -2.19"
193412 - 193605 43.25" 16 -0.68"
193512 - 193705 42.08" 11 -1.85"
193612 - 193805 47.05" 40 3.12"
193712 - 193905 44.02" 22 0.09"
193812 - 194005 40.48" 6 -3.45"
193912 - 194105 43.91" 21 -0.02"
194012 - 194205 47.69" 44 3.76"

Citing This Page

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