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 (29.35")
1901-1941 Base Period
189503 - 189602 27.27" 8 -2.08"
189603 - 189702 30.50" 31 1.15"
189703 - 189802 28.60" 16 -0.75"
189803 - 189902 30.38" 29 1.03"
189903 - 190002 28.08" 13 -1.27"
190003 - 190102 30.49" 30 1.14"
190103 - 190202 27.52" 10 -1.83"
190203 - 190302 31.92" 43 2.57"
190303 - 190402 28.30" 15 -1.05"
190403 - 190502 28.24" 14 -1.11"
190503 - 190602 32.32" 44 2.97"
190603 - 190702 33.16" 46 3.81"
190703 - 190802 31.00" 37 1.65"
190803 - 190902 30.79" 35 1.44"
190903 - 191002 29.83" 27 0.48"
191003 - 191102 25.22" 2 -4.13"
191103 - 191202 28.80" 17 -0.55"
191203 - 191302 31.40" 42 2.05"
191303 - 191402 29.65" 24 0.30"
191403 - 191502 29.75" 26 0.40"
191503 - 191602 32.81" 45 3.46"
191603 - 191702 27.86" 12 -1.49"
191703 - 191802 25.48" 3 -3.87"
191803 - 191902 29.20" 20 -0.15"
191903 - 192002 31.03" 39 1.68"
192003 - 192102 31.36" 41 2.01"
192103 - 192202 29.37" 22 0.02"
192203 - 192302 29.72" 25 0.37"
192303 - 192402 31.21" 40 1.86"
192403 - 192502 26.76" 6 -2.59"
192503 - 192602 27.30" 9 -2.05"
192603 - 192702 31.02" 38 1.67"
192703 - 192802 30.69" 33 1.34"
192803 - 192902 30.76" 34 1.41"
192903 - 193002 30.09" 28 0.74"
193003 - 193102 24.66" 1 -4.69"
193103 - 193202 29.60" 23 0.25"
193203 - 193302 29.15" 18 -0.20"
193303 - 193402 26.78" 7 -2.57"
193403 - 193502 26.42" 5 -2.93"
193503 - 193602 30.88" 36 1.53"
193603 - 193702 27.65" 11 -1.70"
193703 - 193802 29.16" 19 -0.19"
193803 - 193902 30.64" 32 1.29"
193903 - 194002 25.82" 4 -3.53"
194003 - 194102 29.35" 21 0.00"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 22, 2019 from https://www.ncdc.noaa.gov/cag/