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 (44.02")
1901-1957 Base Period
189512 - 189705 45.64" 42 1.62"
189612 - 189805 42.95" 18 -1.07"
189712 - 189905 44.36" 32 0.34"
189812 - 190005 42.83" 16 -1.19"
189912 - 190105 44.59" 33 0.57"
190012 - 190205 41.05" 9 -2.97"
190112 - 190305 46.54" 53 2.52"
190212 - 190405 44.34" 30 0.32"
190312 - 190505 43.40" 23 -0.62"
190412 - 190605 47.51" 57 3.49"
190512 - 190705 47.93" 61 3.91"
190612 - 190805 47.45" 56 3.43"
190712 - 190905 45.64" 42 1.62"
190812 - 191005 42.85" 17 -1.17"
190912 - 191105 38.61" 2 -5.41"
191012 - 191205 44.68" 34 0.66"
191112 - 191305 45.75" 46 1.73"
191212 - 191405 43.58" 24 -0.44"
191312 - 191505 44.36" 32 0.34"
191412 - 191605 47.93" 61 3.91"
191512 - 191705 43.85" 26 -0.17"
191612 - 191805 38.92" 3 -5.10"
191712 - 191905 43.31" 22 -0.71"
191812 - 192005 47.11" 55 3.09"
191912 - 192105 44.85" 36 0.83"
192012 - 192205 45.65" 43 1.63"
192112 - 192305 44.82" 35 0.80"
192212 - 192405 45.08" 38 1.06"
192312 - 192505 39.00" 4 -5.02"
192412 - 192605 40.69" 8 -3.33"
192512 - 192705 45.72" 45 1.70"
192612 - 192805 45.50" 39 1.48"
192712 - 192905 45.81" 48 1.79"
192812 - 193005 43.19" 20 -0.83"
192912 - 193105 37.86" 1 -6.16"
193012 - 193205 41.15" 11 -2.87"
193112 - 193305 46.41" 52 2.39"
193212 - 193405 39.81" 5 -4.21"
193312 - 193505 41.74" 12 -2.28"
193412 - 193605 43.25" 21 -0.77"
193512 - 193705 42.08" 14 -1.94"
193612 - 193805 47.05" 54 3.03"
193712 - 193905 44.02" 28 0.00"
193812 - 194005 40.48" 7 -3.54"
193912 - 194105 43.91" 27 -0.11"
194012 - 194205 47.69" 58 3.67"
194112 - 194305 46.02" 51 2.00"
194212 - 194405 43.68" 25 -0.34"
194312 - 194505 45.95" 50 1.93"
194412 - 194605 47.77" 59 3.75"
194512 - 194705 45.72" 45 1.70"
194612 - 194805 44.12" 29 0.10"
194712 - 194905 45.78" 47 1.76"
194812 - 195005 45.93" 49 1.91"
194912 - 195105 45.02" 37 1.00"
195012 - 195205 45.64" 42 1.62"
195112 - 195305 42.99" 19 -1.03"
195212 - 195405 42.04" 13 -1.98"
195312 - 195505 39.95" 6 -4.07"
195412 - 195605 41.12" 10 -2.90"
195512 - 195705 42.23" 15 -1.79"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 23, 2019 from https://www.ncdc.noaa.gov/cag/