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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Date Value Rank Departure From Mean (2.84")
1901-1970 Base Period
189505 2.88" 44 0.04"
189605 2.96" 48 0.12"
189705 2.12" 4 -0.72"
189805 3.23" 63 0.39"
189905 2.74" 36 -0.10"
190005 2.45" 18 -0.39"
190105 2.66" 29 -0.18"
190205 3.00" 52 0.16"
190305 3.01" 53 0.17"
190405 2.59" 23 -0.25"
190505 3.74" 72 0.90"
190605 3.16" 58 0.32"
190705 3.45" 69 0.61"
190805 4.13" 75 1.29"
190905 3.04" 54 0.20"
191005 2.59" 23 -0.25"
191105 1.97" 3 -0.87"
191205 2.89" 45 0.05"
191305 2.51" 21 -0.33"
191405 2.48" 20 -0.36"
191505 3.89" 74 1.05"
191605 2.88" 44 0.04"
191705 2.64" 28 -0.20"
191805 2.59" 23 -0.25"
191905 3.20" 62 0.36"
192005 2.79" 38 -0.05"
192105 2.55" 22 -0.29"
192205 3.11" 55 0.27"
192305 3.13" 56 0.29"
192405 2.42" 16 -0.42"
192505 1.92" 2 -0.92"
192605 2.21" 6 -0.63"
192705 2.99" 50 0.15"
192805 2.34" 13 -0.50"
192905 3.51" 70 0.67"
193005 3.17" 59 0.33"
193105 2.29" 11 -0.55"
193205 2.42" 16 -0.42"
193305 3.39" 68 0.55"
193405 1.81" 1 -1.03"
193505 3.72" 71 0.88"
193605 2.25" 9 -0.59"
193705 2.33" 12 -0.51"
193805 3.24" 64 0.40"
193905 2.20" 5 -0.64"
194005 2.22" 7 -0.62"
194105 2.67" 31 -0.17"
194205 3.16" 58 0.32"
194305 3.39" 68 0.55"
194405 3.00" 52 0.16"
194505 2.87" 40 0.03"
194605 3.75" 73 0.91"
194705 3.19" 60 0.35"
194805 2.77" 37 -0.07"
194905 2.98" 49 0.14"
195005 2.88" 44 0.04"
195105 2.37" 15 -0.47"
195205 2.69" 32 -0.15"
195305 3.26" 65 0.42"
195405 2.69" 32 -0.15"
195505 2.92" 46 0.08"
195605 2.60" 26 -0.24"
195705 4.24" 76 1.40"
195805 2.46" 19 -0.38"
195905 3.20" 62 0.36"
196005 2.87" 40 0.03"
196105 2.88" 44 0.04"
196205 2.69" 32 -0.15"
196305 2.36" 14 -0.48"
196405 2.25" 9 -0.59"
196505 2.71" 35 -0.13"
196605 2.24" 8 -0.60"
196705 2.96" 48 0.12"
196805 3.33" 66 0.49"
196905 2.66" 29 -0.18"
197005 2.61" 27 -0.23"

Citing This Page

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