Climate at a Glance

National Time Series

Choose from the options below and click "Plot" to create a time series graph.
Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.


Place mouse on axis and left-click to pan; wheel up/down for zoom in/out (or shift key+left-click).

Download: xml csv json
Date Value Rank Departure From Mean (2.86")
1901-1948 Base Period
189505 2.88" 29 0.02"
189605 2.96" 31 0.10"
189705 2.12" 4 -0.74"
189805 3.23" 44 0.37"
189905 2.74" 24 -0.12"
190005 2.45" 14 -0.41"
190105 2.66" 22 -0.20"
190205 3.00" 34 0.14"
190305 3.01" 35 0.15"
190405 2.59" 18 -0.27"
190505 3.74" 51 0.88"
190605 3.16" 40 0.30"
190705 3.45" 48 0.59"
190805 4.13" 54 1.27"
190905 3.04" 36 0.18"
191005 2.59" 18 -0.27"
191105 1.97" 3 -0.89"
191205 2.89" 30 0.03"
191305 2.51" 16 -0.35"
191405 2.48" 15 -0.38"
191505 3.89" 53 1.03"
191605 2.88" 29 0.02"
191705 2.64" 21 -0.22"
191805 2.59" 18 -0.27"
191905 3.20" 43 0.34"
192005 2.79" 26 -0.07"
192105 2.55" 17 -0.31"
192205 3.11" 37 0.25"
192305 3.13" 38 0.27"
192405 2.42" 12 -0.44"
192505 1.92" 2 -0.94"
192605 2.21" 6 -0.65"
192705 2.99" 32 0.13"
192805 2.34" 11 -0.52"
192905 3.51" 49 0.65"
193005 3.17" 41 0.31"
193105 2.29" 9 -0.57"
193205 2.42" 12 -0.44"
193305 3.39" 47 0.53"
193405 1.81" 1 -1.05"
193505 3.72" 50 0.86"
193605 2.25" 8 -0.61"
193705 2.33" 10 -0.53"
193805 3.24" 45 0.38"
193905 2.20" 5 -0.66"
194005 2.22" 7 -0.64"
194105 2.67" 23 -0.19"
194205 3.16" 40 0.30"
194305 3.39" 47 0.53"
194405 3.00" 34 0.14"
194505 2.87" 27 0.01"
194605 3.75" 52 0.89"
194705 3.19" 42 0.33"
194805 2.77" 25 -0.09"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published August 2019, retrieved on August 25, 2019 from https://www.ncdc.noaa.gov/cag/