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 (146.86")
1901-1941 Base Period
189505 - 190004 146.54" 22 -0.32"
189605 - 190104 147.87" 29 1.01"
189705 - 190204 143.78" 8 -3.08"
189805 - 190304 148.95" 32 2.09"
189905 - 190404 146.93" 23 0.07"
190005 - 190504 146.52" 21 -0.34"
190105 - 190604 148.82" 31 1.96"
190205 - 190704 153.96" 40 7.10"
190305 - 190804 152.89" 39 6.03"
190405 - 190904 154.78" 42 7.92"
190505 - 191004 154.44" 41 7.58"
190605 - 191104 149.22" 33 2.36"
190705 - 191204 147.60" 26 0.74"
190805 - 191304 146.21" 20 -0.65"
190905 - 191404 144.99" 13 -1.87"
191005 - 191504 145.57" 16 -1.29"
191105 - 191604 152.07" 38 5.21"
191205 - 191704 149.90" 34 3.04"
191305 - 191804 145.18" 15 -1.68"
191405 - 191904 145.64" 17 -1.22"
191505 - 192004 148.63" 30 1.77"
191605 - 192104 146.02" 19 -0.84"
191705 - 192204 147.82" 28 0.96"
191805 - 192304 151.27" 36 4.41"
191905 - 192404 152.05" 37 5.19"
192005 - 192504 146.00" 18 -0.86"
192105 - 192604 143.54" 6 -3.32"
192205 - 192704 145.11" 14 -1.75"
192305 - 192804 147.03" 24 0.17"
192405 - 192904 147.79" 27 0.93"
192505 - 193004 150.01" 35 3.15"
192605 - 193104 147.11" 25 0.25"
192705 - 193204 144.61" 11 -2.25"
192805 - 193304 143.96" 9 -2.90"
192905 - 193404 138.65" 2 -8.21"
193005 - 193504 138.27" 1 -8.59"
193105 - 193604 142.55" 5 -4.31"
193205 - 193704 141.26" 3 -5.60"
193305 - 193804 141.87" 4 -4.99"
193405 - 193904 144.87" 12 -1.99"
193505 - 194004 143.99" 10 -2.87"
193605 - 194104 143.62" 7 -3.24"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 16, 2019 from https://www.ncdc.noaa.gov/cag/