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 (4.63")
1901-1991 Base Period
189509 - 189510 2.66" 2 -1.97"
189609 - 189610 4.93" 67 0.30"
189709 - 189710 3.40" 9 -1.23"
189809 - 189810 4.83" 63 0.20"
189909 - 189910 3.95" 21 -0.68"
190009 - 190010 5.68" 88 1.05"
190109 - 190110 4.09" 28 -0.54"
190209 - 190210 4.67" 52 0.04"
190309 - 190310 3.89" 19 -0.74"
190409 - 190410 3.99" 23 -0.64"
190509 - 190510 4.74" 57 0.11"
190609 - 190610 4.99" 70 0.36"
190709 - 190710 4.54" 39 -0.09"
190809 - 190810 3.86" 18 -0.77"
190909 - 190910 3.82" 17 -0.81"
191009 - 191010 4.21" 31 -0.42"
191109 - 191110 5.24" 76 0.61"
191209 - 191210 4.64" 48 0.01"
191309 - 191310 5.65" 87 1.02"
191409 - 191410 4.69" 53 0.06"
191509 - 191510 4.62" 46 -0.01"
191609 - 191610 4.08" 26 -0.55"
191709 - 191710 3.55" 11 -1.08"
191809 - 191810 5.36" 80 0.73"
191909 - 191910 5.79" 90 1.16"
192009 - 192010 4.61" 43 -0.02"
192109 - 192110 4.03" 24 -0.60"
192209 - 192210 3.20" 5 -1.43"
192309 - 192310 5.36" 80 0.73"
192409 - 192410 4.45" 38 -0.18"
192509 - 192510 5.87" 92 1.24"
192609 - 192610 5.72" 89 1.09"
192709 - 192710 4.83" 63 0.20"
192809 - 192810 4.34" 34 -0.29"
192909 - 192910 5.35" 77 0.72"
193009 - 193010 4.64" 50 0.01"
193109 - 193110 3.96" 22 -0.67"
193209 - 193210 4.64" 50 0.01"
193309 - 193310 4.06" 25 -0.57"
193409 - 193410 4.56" 40 -0.07"
193509 - 193510 4.08" 26 -0.55"
193609 - 193610 5.07" 73 0.44"
193709 - 193710 4.61" 43 -0.02"
193809 - 193810 3.75" 14 -0.88"
193909 - 193910 3.22" 6 -1.41"
194009 - 194010 3.77" 15 -0.86"
194109 - 194110 6.93" 97 2.30"
194209 - 194210 4.80" 60 0.17"
194309 - 194310 3.79" 16 -0.84"
194409 - 194410 3.73" 13 -0.90"
194509 - 194510 5.44" 82 0.81"
194609 - 194610 5.36" 80 0.73"
194709 - 194710 4.44" 37 -0.19"
194809 - 194810 3.35" 8 -1.28"
194909 - 194910 5.02" 72 0.39"
195009 - 195010 4.59" 42 -0.04"
195109 - 195110 4.87" 65 0.24"
195209 - 195210 2.07" 1 -2.56"
195309 - 195310 3.01" 3 -1.62"
195409 - 195410 4.30" 33 -0.33"
195509 - 195510 4.15" 30 -0.48"
195609 - 195610 3.44" 10 -1.19"
195709 - 195710 5.62" 86 0.99"
195809 - 195810 4.35" 35 -0.28"
195909 - 195910 6.32" 95 1.69"
196009 - 196010 4.61" 43 -0.02"
196109 - 196110 4.72" 55 0.09"
196209 - 196210 5.11" 74 0.48"
196309 - 196310 3.17" 4 -1.46"
196409 - 196410 3.90" 20 -0.73"
196509 - 196510 4.98" 69 0.35"
196609 - 196610 4.11" 29 -0.52"
196709 - 196710 4.83" 63 0.20"
196809 - 196810 4.38" 36 -0.25"
196909 - 196910 5.00" 71 0.37"
197009 - 197010 5.94" 93 1.31"
197109 - 197110 5.56" 85 0.93"
197209 - 197210 5.49" 83 0.86"
197309 - 197310 5.83" 91 1.20"
197409 - 197410 4.73" 56 0.10"
197509 - 197510 4.96" 68 0.33"
197609 - 197610 4.89" 66 0.26"
197709 - 197710 5.41" 81 0.78"
197809 - 197810 3.55" 11 -1.08"
197909 - 197910 4.71" 54 0.08"
198009 - 198010 4.66" 51 0.03"
198109 - 198110 5.18" 75 0.55"
198209 - 198210 4.78" 58 0.15"
198309 - 198310 4.87" 65 0.24"
198409 - 198410 5.56" 85 0.93"
198509 - 198510 6.18" 94 1.55"
198609 - 198610 6.40" 96 1.77"
198709 - 198710 3.34" 7 -1.29"
198809 - 198810 4.24" 32 -0.39"
198909 - 198910 4.57" 41 -0.06"
199009 - 199010 4.80" 60 0.17"
199109 - 199110 4.63" 47 0.00"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 20, 2019 from https://www.ncdc.noaa.gov/cag/