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
Date Value Rank Departure From Mean (31.99°F)
1901-1923 Base Period
189502 26.60°F 2 -5.39°F
189602 35.04°F 25 3.05°F
189702 33.39°F 19 1.40°F
189802 35.37°F 26 3.38°F
189902 25.50°F 1 -6.49°F
190002 30.76°F 11 -1.23°F
190102 29.86°F 9 -2.13°F
190202 31.46°F 13 -0.53°F
190302 28.42°F 4 -3.57°F
190402 31.59°F 14 -0.40°F
190502 26.94°F 3 -5.05°F
190602 33.69°F 22 1.70°F
190702 35.46°F 27 3.47°F
190802 33.01°F 17 1.02°F
190902 35.02°F 24 3.03°F
191002 29.30°F 5 -2.69°F
191102 33.66°F 20 1.67°F
191202 31.08°F 12 -0.91°F
191302 29.50°F 6 -2.49°F
191402 29.52°F 7 -2.47°F
191502 35.94°F 28 3.95°F
191602 33.03°F 18 1.04°F
191702 30.09°F 10 -1.90°F
191802 33.82°F 23 1.83°F
191902 32.25°F 16 0.26°F
192002 33.69°F 22 1.70°F
192102 36.90°F 29 4.91°F
192202 31.95°F 15 -0.04°F
192302 29.57°F 8 -2.42°F

Citing This Page

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