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
Dates Value Rank Departure From Mean (42.93")
1901-1919 Base Period
189510 - 189703 44.47" 15 1.54"
189610 - 189803 42.92" 11 -0.01"
189710 - 189903 43.96" 14 1.03"
189810 - 190003 41.73" 6 -1.20"
189910 - 190103 43.80" 13 0.87"
190010 - 190203 41.32" 5 -1.61"
190110 - 190303 44.50" 16 1.57"
190210 - 190403 44.55" 17 1.62"
190310 - 190503 40.46" 4 -2.47"
190410 - 190603 44.95" 19 2.02"
190510 - 190703 46.52" 22 3.59"
190610 - 190803 45.20" 20 2.27"
190710 - 190903 44.60" 18 1.67"
190810 - 191003 41.90" 7 -1.03"
190910 - 191103 38.28" 2 -4.65"
191010 - 191203 42.25" 9 -0.68"
191110 - 191303 45.79" 21 2.86"
191210 - 191403 42.02" 8 -0.91"
191310 - 191503 42.98" 12 0.05"
191410 - 191603 46.98" 23 4.05"
191510 - 191703 42.48" 10 -0.45"
191610 - 191803 37.12" 1 -5.81"
191710 - 191903 40.03" 3 -2.90"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 14, 2019 from https://www.ncdc.noaa.gov/cag/