National Temperature Index

National USHCN monthly temperature updates have been discontinued. The official CONUS temperature record is now based upon nClimDiv. USHCN data for January 1895 to August 2014 will remain available for historical comparison.

Time Series


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Date USCRN
200501 1.75°F
200502 2.50°F
200503 -0.88°F
200504 0.41°F
200505 -1.26°F
200506 0.23°F
200507 1.35°F
200508 0.45°F
200509 2.05°F
200510 1.13°F
200511 2.11°F
200512 -0.50°F
200601 7.25°F
200602 -0.61°F
200603 -0.81°F
200604 3.33°F
200605 1.42°F
200606 1.62°F
200607 2.39°F
200608 0.45°F
200609 -1.93°F
200610 -1.71°F
200611 1.48°F
200612 3.24°F
200701 -0.50°F
200702 -2.70°F
200703 4.59°F
200704 -1.10°F
200705 1.30°F
200706 0.77°F
200707 0.76°F
200708 1.85°F
200709 1.22°F
200710 2.34°F
200711 1.13°F
200712 -0.14°F
200801 -1.69°F
200802 -0.70°F
200803 -1.42°F
200804 -1.42°F
200805 -1.33°F
200806 0.50°F
200807 0.09°F
200808 -0.43°F
200809 -0.13°F
200810 -0.16°F
200811 1.03°F
200812 -1.10°F
200901 -0.61°F
200902 1.04°F
200903 -0.22°F
200904 -0.79°F
200905 0.85°F
200906 -0.56°F
200907 -1.49°F
200908 -0.90°F
200909 1.21°F
200910 -3.47°F
200911 3.04°F
200912 -3.73°F
201001 -1.28°F
201002 -3.74°F
201003 0.43°F
201004 1.31°F
201005 -0.94°F
201006 1.40°F
201007 0.72°F
201008 1.30°F
201009 1.53°F
201010 1.98°F
201011 -0.40°F
201012 -0.79°F
201101 -2.30°F
201102 -2.25°F
201103 -0.02°F
201104 0.41°F
201105 -1.53°F
201106 0.81°F
201107 2.12°F
201108 2.25°F
201109 0.81°F
201110 0.95°F
201111 1.08°F
201112 2.05°F
201201 4.50°F
201202 2.18°F
201203 7.49°F
201204 2.97°F
201205 2.52°F
201206 1.80°F
201207 2.86°F
201208 1.26°F
201209 1.06°F
201210 -0.23°F
201211 1.37°F
201212 2.59°F
201301 0.63°F
201302 -0.74°F
201303 -2.27°F
201304 -1.93°F
201305 0.13°F
201306 1.51°F
201307 0.23°F
201308 0.49°F
201309 1.78°F
201310 -0.90°F
201311 -1.12°F
201312 -2.00°F
201401 -1.13°F
201402 -3.13°F
201403 -2.16°F
201404 0.05°F
201405 0.76°F
201406 0.68°F
201407 -0.58°F
201408 -0.29°F
201409 1.04°F
201410 2.74°F
201411 -3.22°F
201412 3.56°F
201501 1.48°F
201502 -2.32°F
201503 2.75°F
201504 1.60°F
201505 0.07°F
201506 2.38°F
201507 0.13°F