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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Dates Value Rank Departure From Mean (47.61°F)
1901-1924 Base Period
189511 - 189607 48.20°F 22 0.59°F
189611 - 189707 47.56°F 12 -0.05°F
189711 - 189807 48.01°F 19 0.40°F
189811 - 189907 45.79°F 3 -1.82°F
189911 - 190007 48.83°F 28 1.22°F
190011 - 190107 48.16°F 21 0.55°F
190111 - 190207 47.69°F 15 0.08°F
190211 - 190307 47.06°F 7 -0.55°F
190311 - 190407 46.65°F 5 -0.96°F
190411 - 190507 47.10°F 8 -0.51°F
190511 - 190607 47.54°F 11 -0.07°F
190611 - 190707 47.66°F 13 0.05°F
190711 - 190807 48.51°F 25 0.90°F
190811 - 190907 48.02°F 20 0.41°F
190911 - 191007 48.25°F 23 0.64°F
191011 - 191107 48.70°F 26 1.09°F
191111 - 191207 45.68°F 1 -1.93°F
191211 - 191307 47.40°F 10 -0.21°F
191311 - 191407 48.76°F 27 1.15°F
191411 - 191507 46.82°F 6 -0.79°F
191511 - 191607 47.76°F 16 0.15°F
191611 - 191707 45.69°F 2 -1.92°F
191711 - 191807 47.78°F 17 0.17°F
191811 - 191907 48.33°F 24 0.72°F
191911 - 192007 46.38°F 4 -1.23°F
192011 - 192107 49.65°F 29 2.04°F
192111 - 192207 47.94°F 18 0.33°F
192211 - 192307 47.68°F 14 0.07°F
192311 - 192407 47.32°F 9 -0.29°F

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 19, 2019 from https://www.ncdc.noaa.gov/cag/