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 (36.81°F)
1901-1924 Base Period
189511 - 189512 35.43°F 9 -1.38°F
189611 - 189612 36.93°F 16 0.12°F
189711 - 189712 35.84°F 10 -0.97°F
189811 - 189812 33.53°F 1 -3.28°F
189911 - 189912 38.27°F 27 1.46°F
190011 - 190012 38.01°F 25 1.20°F
190111 - 190112 36.58°F 13 -0.23°F
190211 - 190212 37.24°F 17 0.43°F
190311 - 190312 35.39°F 8 -1.42°F
190411 - 190412 37.58°F 20 0.77°F
190511 - 190512 36.62°F 15 -0.19°F
190611 - 190612 37.71°F 22 0.90°F
190711 - 190712 37.76°F 23 0.95°F
190811 - 190812 37.92°F 24 1.11°F
190911 - 190912 35.32°F 7 -1.49°F
191011 - 191012 36.53°F 12 -0.28°F
191111 - 191112 34.74°F 4 -2.07°F
191211 - 191212 37.58°F 20 0.77°F
191311 - 191312 39.22°F 29 2.41°F
191411 - 191412 35.10°F 6 -1.71°F
191511 - 191512 38.14°F 26 1.33°F
191611 - 191612 34.58°F 3 -2.23°F
191711 - 191712 36.59°F 14 -0.22°F
191811 - 191812 37.48°F 18 0.67°F
191911 - 191912 34.05°F 2 -2.76°F
192011 - 192012 36.42°F 11 -0.39°F
192111 - 192112 38.83°F 28 2.02°F
192211 - 192212 37.71°F 22 0.90°F
192311 - 192312 39.28°F 30 2.47°F
192411 - 192412 35.00°F 5 -1.81°F

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 16, 2019 from https://www.ncdc.noaa.gov/cag/