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 (52.02°F)
1901-2000 Base Period
199001 - 199012 53.51°F 18 1.49°F
199101 - 199112 53.16°F 13 1.14°F
199201 - 199212 52.60°F 8 0.58°F
199301 - 199312 51.26°F 1 -0.76°F
199401 - 199412 52.87°F 10 0.85°F
199501 - 199512 52.65°F 9 0.63°F
199601 - 199612 51.88°F 2 -0.14°F
199701 - 199712 52.20°F 3 0.18°F
199801 - 199812 54.23°F 24 2.21°F
199901 - 199912 53.88°F 23 1.86°F
200001 - 200012 53.27°F 17 1.25°F
200101 - 200112 53.69°F 22 1.67°F
200201 - 200212 53.21°F 15 1.19°F
200301 - 200312 53.26°F 16 1.24°F
200401 - 200412 53.10°F 12 1.08°F
200501 - 200512 53.64°F 20 1.62°F
200601 - 200612 54.25°F 25 2.23°F
200701 - 200712 53.65°F 21 1.63°F
200801 - 200812 52.29°F 4 0.27°F
200901 - 200912 52.39°F 5 0.37°F
201001 - 201012 52.98°F 11 0.96°F
201101 - 201112 53.18°F 14 1.16°F
201201 - 201212 55.28°F 29 3.26°F
201301 - 201312 52.43°F 6 0.41°F
201401 - 201412 52.54°F 7 0.52°F
201501 - 201512 54.40°F 26 2.38°F
201601 - 201612 54.92°F 28 2.90°F
201701 - 201712 54.55°F 27 2.53°F
201801 - 201812 53.52°F 19 1.50°F

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 13, 2019 from https://www.ncdc.noaa.gov/cag/