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 (36.98°F)
1901-1951 Base Period
189511 - 189512 35.43°F 12 -1.55°F
189611 - 189612 36.93°F 30 -0.05°F
189711 - 189712 35.84°F 15 -1.14°F
189811 - 189812 33.53°F 1 -3.45°F
189911 - 189912 38.27°F 47 1.29°F
190011 - 190012 38.01°F 44 1.03°F
190111 - 190112 36.58°F 24 -0.40°F
190211 - 190212 37.24°F 34 0.26°F
190311 - 190312 35.39°F 11 -1.59°F
190411 - 190412 37.58°F 39 0.60°F
190511 - 190512 36.62°F 26 -0.36°F
190611 - 190612 37.71°F 41 0.73°F
190711 - 190712 37.76°F 42 0.78°F
190811 - 190812 37.92°F 43 0.94°F
190911 - 190912 35.32°F 10 -1.66°F
191011 - 191012 36.53°F 23 -0.45°F
191111 - 191112 34.74°F 5 -2.24°F
191211 - 191212 37.58°F 39 0.60°F
191311 - 191312 39.22°F 52 2.24°F
191411 - 191412 35.10°F 8 -1.88°F
191511 - 191512 38.14°F 46 1.16°F
191611 - 191612 34.58°F 3 -2.40°F
191711 - 191712 36.59°F 25 -0.39°F
191811 - 191812 37.48°F 36 0.50°F
191911 - 191912 34.05°F 2 -2.93°F
192011 - 192012 36.42°F 21 -0.56°F
192111 - 192112 38.83°F 48 1.85°F
192211 - 192212 37.71°F 41 0.73°F
192311 - 192312 39.28°F 54 2.30°F
192411 - 192412 35.00°F 6 -1.98°F
192511 - 192512 36.46°F 22 -0.52°F
192611 - 192612 35.90°F 16 -1.08°F
192711 - 192712 36.28°F 20 -0.70°F
192811 - 192812 37.26°F 35 0.28°F
192911 - 192912 36.18°F 19 -0.80°F
193011 - 193012 36.13°F 18 -0.85°F
193111 - 193112 39.22°F 52 2.24°F
193211 - 193212 35.08°F 7 -1.90°F
193311 - 193312 39.48°F 55 2.50°F
193411 - 193412 38.84°F 49 1.86°F
193511 - 193512 35.12°F 9 -1.86°F
193611 - 193612 37.14°F 33 0.16°F
193711 - 193712 36.76°F 28 -0.22°F
193811 - 193812 37.07°F 31 0.09°F
193911 - 193912 40.01°F 57 3.03°F
194011 - 194012 37.53°F 37 0.55°F
194111 - 194112 39.52°F 56 2.54°F
194211 - 194212 38.07°F 45 1.09°F
194311 - 194312 36.75°F 27 -0.23°F
194411 - 194412 36.08°F 17 -0.90°F
194511 - 194512 35.54°F 14 -1.44°F
194611 - 194612 38.96°F 50 1.98°F
194711 - 194712 35.51°F 13 -1.47°F
194811 - 194812 37.08°F 32 0.10°F
194911 - 194912 39.26°F 53 2.28°F
195011 - 195012 36.82°F 29 -0.16°F
195111 - 195112 34.66°F 4 -2.32°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/