Climate at a Glance

National Time Series

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Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.


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Date Value Rank Departure From Mean (29.99°F)
1901-1966 Base Period
189501 26.69°F 11 -3.30°F
189601 31.48°F 45 1.49°F
189701 28.17°F 19 -1.82°F
189801 30.67°F 39 0.68°F
189901 29.68°F 30 -0.31°F
190001 34.11°F 66 4.12°F
190101 31.62°F 51 1.63°F
190201 30.06°F 33 0.07°F
190301 30.88°F 41 0.89°F
190401 27.55°F 17 -2.44°F
190501 27.10°F 15 -2.89°F
190601 32.88°F 62 2.89°F
190701 30.69°F 40 0.70°F
190801 32.45°F 61 2.46°F
190901 32.31°F 60 2.32°F
191001 29.61°F 29 -0.38°F
191101 32.90°F 63 2.91°F
191201 24.76°F 5 -5.23°F
191301 30.47°F 37 0.48°F
191401 34.50°F 69 4.51°F
191501 28.44°F 22 -1.55°F
191601 28.22°F 20 -1.77°F
191701 28.27°F 21 -1.72°F
191801 23.86°F 3 -6.13°F
191901 31.82°F 54 1.83°F
192001 29.23°F 24 -0.76°F
192101 34.36°F 68 4.37°F
192201 26.80°F 12 -3.19°F
192301 34.59°F 70 4.60°F
192401 26.26°F 8 -3.73°F
192501 29.08°F 23 -0.91°F
192601 30.31°F 35 0.32°F
192701 31.55°F 49 1.56°F
192801 31.98°F 55 1.99°F
192901 26.31°F 9 -3.68°F
193001 23.54°F 1 -6.45°F
193101 32.99°F 64 3.00°F
193201 31.55°F 49 1.56°F
193301 34.30°F 67 4.31°F
193401 35.08°F 71 5.09°F
193501 31.51°F 46 1.52°F
193601 27.36°F 16 -2.63°F
193701 24.84°F 6 -5.15°F
193801 32.14°F 58 2.15°F
193901 33.91°F 65 3.92°F
194001 23.83°F 2 -6.16°F
194101 32.20°F 59 2.21°F
194201 29.84°F 32 -0.15°F
194301 29.41°F 26 -0.58°F
194401 32.02°F 57 2.03°F
194501 30.49°F 38 0.50°F
194601 31.39°F 44 1.40°F
194701 31.78°F 52 1.79°F
194801 27.88°F 18 -2.11°F
194901 25.92°F 7 -4.07°F
195001 30.43°F 36 0.44°F
195101 30.20°F 34 0.21°F
195201 32.00°F 56 2.01°F
195301 36.43°F 72 6.44°F
195401 30.90°F 42 0.91°F
195501 29.35°F 25 -0.64°F
195601 31.01°F 43 1.02°F
195701 27.07°F 14 -2.92°F
195801 31.60°F 50 1.61°F
195901 29.50°F 28 -0.49°F
196001 29.46°F 27 -0.53°F
196101 29.71°F 31 -0.28°F
196201 26.96°F 13 -3.03°F
196301 24.44°F 4 -5.55°F
196401 31.53°F 47 1.54°F
196501 31.80°F 53 1.81°F
196601 26.38°F 10 -3.61°F

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published August 2019, retrieved on August 26, 2019 from https://www.ncdc.noaa.gov/cag/