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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Download: xml csv json
Dates Value Rank Departure From Mean (7.27")
1901-1931 Base Period
189508 - 189510 5.19" 1 -2.08"
189608 - 189610 6.93" 15 -0.34"
189708 - 189710 5.70" 3 -1.57"
189808 - 189810 7.89" 28 0.62"
189908 - 189910 6.21" 5 -1.06"
190008 - 190010 8.10" 32 0.83"
190108 - 190110 7.06" 18 -0.21"
190208 - 190210 6.97" 17 -0.30"
190308 - 190310 6.93" 15 -0.34"
190408 - 190410 6.68" 12 -0.59"
190508 - 190510 7.28" 21 0.01"
190608 - 190610 8.38" 36 1.11"
190708 - 190710 7.09" 19 -0.18"
190808 - 190810 6.74" 14 -0.53"
190908 - 190910 6.23" 6 -1.04"
191008 - 191010 6.46" 7 -0.81"
191108 - 191110 8.30" 35 1.03"
191208 - 191210 7.69" 25 0.42"
191308 - 191310 7.55" 24 0.28"
191408 - 191410 7.86" 27 0.59"
191508 - 191510 8.05" 31 0.78"
191608 - 191610 6.61" 9 -0.66"
191708 - 191710 5.99" 4 -1.28"
191808 - 191810 7.83" 26 0.56"
191908 - 191910 8.27" 33 1.00"
192008 - 192010 8.01" 30 0.74"
192108 - 192110 6.63" 10 -0.64"
192208 - 192210 5.43" 2 -1.84"
192308 - 192310 8.28" 34 1.01"
192408 - 192410 6.66" 11 -0.61"
192508 - 192510 7.93" 29 0.66"
192608 - 192610 8.94" 37 1.67"
192708 - 192710 7.55" 24 0.28"
192808 - 192810 7.49" 22 0.22"
192908 - 192910 7.15" 20 -0.12"
193008 - 193010 6.60" 8 -0.67"
193108 - 193110 6.68" 12 -0.59"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 17, 2019 from https://www.ncdc.noaa.gov/cag/