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 (43.54")
1901-1997 Base Period
189509 - 189702 42.43" 32 -1.11"
189609 - 189802 43.28" 44 -0.26"
189709 - 189902 42.71" 35 -0.83"
189809 - 190002 41.78" 27 -1.76"
189909 - 190102 43.05" 42 -0.49"
190009 - 190202 41.35" 24 -2.19"
190109 - 190302 44.07" 54 0.53"
190209 - 190402 44.19" 57 0.65"
190309 - 190502 39.64" 13 -3.90"
190409 - 190602 44.02" 52 0.48"
190509 - 190702 46.64" 89 3.10"
190609 - 190802 45.93" 81 2.39"
190709 - 190902 44.90" 68 1.36"
190809 - 191002 42.71" 35 -0.83"
190909 - 191102 38.85" 10 -4.69"
191009 - 191202 41.03" 21 -2.51"
191109 - 191302 45.55" 76 2.01"
191209 - 191402 42.68" 33 -0.86"
191309 - 191502 44.60" 66 1.06"
191409 - 191602 47.03" 91 3.49"
191509 - 191702 42.77" 38 -0.77"
191609 - 191802 37.25" 1 -6.29"
191709 - 191902 39.49" 12 -4.05"
191809 - 192002 45.92" 80 2.38"
191909 - 192102 45.58" 77 2.04"
192009 - 192202 42.87" 39 -0.67"
192109 - 192302 42.87" 39 -0.67"
192209 - 192402 43.46" 46 -0.08"
192309 - 192502 40.66" 20 -2.88"
192409 - 192602 39.81" 14 -3.73"
192509 - 192702 45.12" 70 1.58"
192609 - 192802 46.44" 87 2.90"
192709 - 192902 44.14" 56 0.60"
192809 - 193002 42.70" 34 -0.84"
192909 - 193102 38.50" 7 -5.04"
193009 - 193202 41.20" 23 -2.34"
193109 - 193302 44.51" 64 0.97"
193209 - 193402 40.55" 19 -2.99"
193309 - 193502 37.66" 3 -5.88"
193409 - 193602 44.46" 63 0.92"
193509 - 193702 41.04" 22 -2.50"
193609 - 193802 44.03" 53 0.49"
193709 - 193902 44.36" 61 0.82"
193809 - 194002 38.71" 8 -4.83"
193909 - 194102 40.35" 17 -3.19"
194009 - 194202 45.91" 79 2.37"
194109 - 194302 46.27" 85 2.73"
194209 - 194402 41.50" 26 -2.04"
194309 - 194502 42.14" 31 -1.40"
194409 - 194602 46.10" 84 2.56"
194509 - 194702 44.93" 69 1.39"
194609 - 194802 44.25" 59 0.71"
194709 - 194902 45.46" 75 1.92"
194809 - 195002 45.22" 73 1.68"
194909 - 195102 43.91" 51 0.37"
195009 - 195202 44.31" 60 0.77"
195109 - 195302 41.46" 25 -2.08"
195209 - 195402 39.01" 11 -4.53"
195309 - 195502 37.36" 2 -6.18"
195409 - 195602 40.47" 18 -3.07"
195509 - 195702 37.90" 4 -5.64"
195609 - 195802 45.39" 74 1.85"
195709 - 195902 45.91" 79 2.37"
195809 - 196002 43.33" 45 -0.21"
195909 - 196102 43.27" 43 -0.27"
196009 - 196202 44.57" 65 1.03"
196109 - 196302 41.90" 28 -1.64"
196209 - 196402 38.43" 5 -5.11"
196309 - 196502 42.07" 30 -1.47"
196409 - 196602 44.11" 55 0.57"
196509 - 196702 40.17" 15 -3.37"
196609 - 196802 41.91" 29 -1.63"
196709 - 196902 45.13" 71 1.59"
196809 - 197002 44.37" 62 0.83"
196909 - 197102 43.63" 48 0.09"
197009 - 197202 44.82" 67 1.28"
197109 - 197302 46.93" 90 3.39"
197209 - 197402 51.35" 101 7.81"
197309 - 197502 47.93" 97 4.39"
197409 - 197602 46.01" 83 2.47"
197509 - 197702 38.47" 6 -5.07"
197609 - 197802 42.75" 37 -0.79"
197709 - 197902 47.04" 92 3.50"
197809 - 198002 46.00" 82 2.46"
197909 - 198102 40.33" 16 -3.21"
198009 - 198202 43.02" 41 -0.52"
198109 - 198302 48.22" 98 4.68"
198209 - 198402 49.75" 100 6.21"
198309 - 198502 47.15" 95 3.61"
198409 - 198602 45.14" 72 1.60"
198509 - 198702 47.06" 93 3.52"
198609 - 198802 43.84" 50 0.30"
198709 - 198902 38.72" 9 -4.82"
198809 - 199002 43.62" 47 0.08"
198909 - 199102 43.82" 49 0.28"
199009 - 199202 46.42" 86 2.88"
199109 - 199302 46.53" 88 2.99"
199209 - 199402 47.07" 94 3.53"
199309 - 199502 44.25" 59 0.71"
199409 - 199602 47.49" 96 3.95"
199509 - 199702 48.35" 99 4.81"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 18, 2019 from https://www.ncdc.noaa.gov/cag/