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 (43.97")
1901-1944 Base Period
189512 - 189705 45.64" 34 1.67"
189612 - 189805 42.95" 14 -1.02"
189712 - 189905 44.36" 26 0.39"
189812 - 190005 42.83" 12 -1.14"
189912 - 190105 44.59" 27 0.62"
190012 - 190205 41.05" 8 -2.92"
190112 - 190305 46.54" 41 2.57"
190212 - 190405 44.34" 24 0.37"
190312 - 190505 43.40" 18 -0.57"
190412 - 190605 47.51" 45 3.54"
190512 - 190705 47.93" 48 3.96"
190612 - 190805 47.45" 44 3.48"
190712 - 190905 45.64" 34 1.67"
190812 - 191005 42.85" 13 -1.12"
190912 - 191105 38.61" 2 -5.36"
191012 - 191205 44.68" 28 0.71"
191112 - 191305 45.75" 37 1.78"
191212 - 191405 43.58" 19 -0.39"
191312 - 191505 44.36" 26 0.39"
191412 - 191605 47.93" 48 3.96"
191512 - 191705 43.85" 21 -0.12"
191612 - 191805 38.92" 3 -5.05"
191712 - 191905 43.31" 17 -0.66"
191812 - 192005 47.11" 43 3.14"
191912 - 192105 44.85" 30 0.88"
192012 - 192205 45.65" 35 1.68"
192112 - 192305 44.82" 29 0.85"
192212 - 192405 45.08" 31 1.11"
192312 - 192505 39.00" 4 -4.97"
192412 - 192605 40.69" 7 -3.28"
192512 - 192705 45.72" 36 1.75"
192612 - 192805 45.50" 32 1.53"
192712 - 192905 45.81" 38 1.84"
192812 - 193005 43.19" 15 -0.78"
192912 - 193105 37.86" 1 -6.11"
193012 - 193205 41.15" 9 -2.82"
193112 - 193305 46.41" 40 2.44"
193212 - 193405 39.81" 5 -4.16"
193312 - 193505 41.74" 10 -2.23"
193412 - 193605 43.25" 16 -0.72"
193512 - 193705 42.08" 11 -1.89"
193612 - 193805 47.05" 42 3.08"
193712 - 193905 44.02" 23 0.05"
193812 - 194005 40.48" 6 -3.49"
193912 - 194105 43.91" 22 -0.06"
194012 - 194205 47.69" 46 3.72"
194112 - 194305 46.02" 39 2.05"
194212 - 194405 43.68" 20 -0.29"

Citing This Page

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