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 (9.98")
1901-1950 Base Period
189502 - 189505 8.27" 4 -1.71"
189602 - 189605 10.01" 29 0.03"
189702 - 189705 10.95" 45 0.97"
189802 - 189805 9.32" 15 -0.66"
189902 - 189905 9.62" 24 -0.36"
190002 - 190005 10.66" 42 0.68"
190102 - 190105 9.61" 22 -0.37"
190202 - 190205 10.31" 35 0.33"
190302 - 190305 11.04" 47 1.06"
190402 - 190405 10.24" 33 0.26"
190502 - 190505 11.83" 54 1.85"
190602 - 190605 10.22" 32 0.24"
190702 - 190705 10.04" 30 0.06"
190802 - 190805 11.81" 53 1.83"
190902 - 190905 10.41" 37 0.43"
191002 - 191005 7.78" 3 -2.20"
191102 - 191105 8.66" 6 -1.32"
191202 - 191205 11.52" 50 1.54"
191302 - 191305 9.45" 18 -0.53"
191402 - 191405 9.14" 14 -0.84"
191502 - 191505 10.49" 40 0.51"
191602 - 191605 8.87" 10 -1.11"
191702 - 191705 9.61" 22 -0.37"
191802 - 191805 8.98" 12 -1.00"
191902 - 191905 10.96" 46 0.98"
192002 - 192005 10.48" 39 0.50"
192102 - 192105 9.63" 25 -0.35"
192202 - 192205 12.09" 56 2.11"
192302 - 192305 10.25" 34 0.27"
192402 - 192405 8.73" 8 -1.25"
192502 - 192505 7.36" 1 -2.62"
192602 - 192605 8.75" 9 -1.23"
192702 - 192705 11.35" 49 1.37"
192802 - 192805 9.49" 19 -0.49"
192902 - 192905 11.27" 48 1.29"
193002 - 193005 8.72" 7 -1.26"
193102 - 193105 8.51" 5 -1.47"
193202 - 193205 9.10" 13 -0.88"
193302 - 193305 10.34" 36 0.36"
193402 - 193405 7.57" 2 -2.41"
193502 - 193505 10.89" 44 0.91"
193602 - 193605 8.97" 11 -1.01"
193702 - 193705 9.38" 17 -0.60"
193802 - 193805 11.64" 51 1.66"
193902 - 193905 9.36" 16 -0.62"
194002 - 194005 10.51" 41 0.53"
194102 - 194105 9.54" 21 -0.44"
194202 - 194205 10.46" 38 0.48"
194302 - 194305 9.65" 26 -0.33"
194402 - 194405 11.99" 55 2.01"
194502 - 194505 11.79" 52 1.81"
194602 - 194605 10.14" 31 0.16"
194702 - 194705 9.50" 20 -0.48"
194802 - 194805 10.85" 43 0.87"
194902 - 194905 9.94" 28 -0.04"
195002 - 195005 9.68" 27 -0.30"

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/