National Temperature Index
Time Series
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.
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| Dates | USCRN | ClimDiv | USHCN |
|---|---|---|---|
| 189501 - 189503 | -99.99°F | -5.69°F | -5.38°F |
| 189601 - 189603 | -99.99°F | -1.92°F | -1.76°F |
| 189701 - 189703 | -99.99°F | -3.32°F | -3.14°F |
| 189801 - 189803 | -99.99°F | -1.08°F | -0.96°F |
| 189901 - 189903 | -99.99°F | -5.84°F | -5.65°F |
| 190001 - 190003 | -99.99°F | -1.39°F | -1.29°F |
| 190101 - 190103 | -99.99°F | -2.71°F | -2.47°F |
| 190201 - 190203 | -99.99°F | -2.41°F | -2.10°F |
| 190301 - 190303 | -99.99°F | -2.94°F | -2.64°F |
| 190401 - 190403 | -99.99°F | -3.14°F | -2.95°F |
| 190501 - 190503 | -99.99°F | -3.72°F | -3.54°F |
| 190601 - 190603 | -99.99°F | -2.55°F | -2.34°F |
| 190701 - 190703 | -99.99°F | 0.51°F | 0.79°F |
| 190801 - 190803 | -99.99°F | -0.31°F | -0.15°F |
| 190901 - 190903 | -99.99°F | -0.88°F | -0.71°F |
| 191001 - 191003 | -99.99°F | -0.66°F | -0.43°F |
| 191101 - 191103 | -99.99°F | 0.09°F | 0.36°F |
| 191201 - 191203 | -99.99°F | -6.24°F | -5.95°F |
| 191301 - 191303 | -99.99°F | -3.88°F | -3.57°F |
| 191401 - 191403 | -99.99°F | -1.85°F | -1.54°F |
| 191501 - 191503 | -99.99°F | -3.00°F | -2.67°F |
| 191601 - 191603 | -99.99°F | -2.31°F | -2.04°F |
| 191701 - 191703 | -99.99°F | -4.54°F | -4.22°F |
| 191801 - 191803 | -99.99°F | -2.30°F | -2.02°F |
| 191901 - 191903 | -99.99°F | -1.79°F | -1.61°F |
| 192001 - 192003 | -99.99°F | -2.37°F | -2.22°F |
| 192101 - 192103 | -99.99°F | 2.52°F | 2.69°F |
| 192201 - 192203 | -99.99°F | -3.72°F | -3.49°F |
| 192301 - 192303 | -99.99°F | -2.62°F | -2.38°F |
| 192401 - 192403 | -99.99°F | -3.90°F | -3.68°F |
| 192501 - 192503 | -99.99°F | 0.43°F | 0.65°F |
| 192601 - 192603 | -99.99°F | -0.90°F | -0.67°F |
| 192701 - 192703 | -99.99°F | 0.46°F | 0.66°F |
| 192801 - 192803 | -99.99°F | -0.29°F | -0.09°F |
| 192901 - 192903 | -99.99°F | -4.51°F | -4.22°F |
| 193001 - 193003 | -99.99°F | -2.09°F | -1.84°F |
| 193101 - 193103 | -99.99°F | 0.01°F | 0.22°F |
| 193201 - 193203 | -99.99°F | -1.57°F | -1.37°F |
| 193301 - 193303 | -99.99°F | -1.53°F | -1.27°F |
| 193401 - 193403 | -99.99°F | 0.62°F | 0.84°F |
| 193501 - 193503 | -99.99°F | 0.27°F | 0.47°F |
| 193601 - 193603 | -99.99°F | -4.77°F | -4.55°F |
| 193701 - 193703 | -99.99°F | -4.97°F | -4.78°F |
| 193801 - 193803 | -99.99°F | 0.94°F | 1.16°F |
| 193901 - 193903 | -99.99°F | -1.31°F | -1.07°F |
| 194001 - 194003 | -99.99°F | -3.71°F | -3.50°F |
| 194101 - 194103 | -99.99°F | -1.80°F | -1.57°F |
| 194201 - 194203 | -99.99°F | -2.81°F | -2.54°F |
| 194301 - 194303 | -99.99°F | -2.04°F | -1.79°F |
| 194401 - 194403 | -99.99°F | -1.77°F | -1.49°F |
| 194501 - 194503 | -99.99°F | 0.33°F | 0.55°F |
| 194601 - 194603 | -99.99°F | 0.91°F | 1.13°F |
| 194701 - 194703 | -99.99°F | -2.79°F | -2.60°F |
| 194801 - 194803 | -99.99°F | -4.04°F | -3.79°F |
| 194901 - 194903 | -99.99°F | -3.91°F | -3.65°F |
| 195001 - 195003 | -99.99°F | -1.83°F | -1.58°F |
| 195101 - 195103 | -99.99°F | -2.34°F | -2.11°F |
| 195201 - 195203 | -99.99°F | -1.72°F | -1.51°F |
| 195301 - 195303 | -99.99°F | 1.91°F | 2.10°F |
| 195401 - 195403 | -99.99°F | 0.41°F | 0.58°F |
| 195501 - 195503 | -99.99°F | -3.29°F | -3.07°F |
| 195601 - 195603 | -99.99°F | -2.10°F | -1.94°F |
| 195701 - 195703 | -99.99°F | -1.30°F | -1.12°F |
| 195801 - 195803 | -99.99°F | -3.02°F | -2.84°F |
| 195901 - 195903 | -99.99°F | -2.29°F | -2.15°F |
| 196001 - 196003 | -99.99°F | -4.81°F | -4.64°F |
| 196101 - 196103 | -99.99°F | 0.09°F | 0.24°F |
| 196201 - 196203 | -99.99°F | -3.51°F | -3.40°F |
| 196301 - 196303 | -99.99°F | -2.68°F | -2.57°F |
| 196401 - 196403 | -99.99°F | -2.73°F | -2.57°F |
| 196501 - 196503 | -99.99°F | -3.52°F | -3.44°F |
| 196601 - 196603 | -99.99°F | -3.23°F | -3.12°F |
| 196701 - 196703 | -99.99°F | -0.24°F | -0.11°F |
| 196801 - 196803 | -99.99°F | -1.63°F | -1.54°F |
| 196901 - 196903 | -99.99°F | -4.04°F | -3.97°F |
| 197001 - 197003 | -99.99°F | -3.11°F | -3.01°F |
| 197101 - 197103 | -99.99°F | -2.59°F | -2.47°F |
| 197201 - 197203 | -99.99°F | -0.93°F | -0.86°F |
| 197301 - 197303 | -99.99°F | -0.95°F | -0.84°F |
| 197401 - 197403 | -99.99°F | -0.06°F | 0.05°F |
| 197501 - 197503 | -99.99°F | -2.17°F | -2.11°F |
| 197601 - 197603 | -99.99°F | 0.49°F | 0.54°F |
| 197701 - 197703 | -99.99°F | -2.67°F | -2.59°F |
| 197801 - 197803 | -99.99°F | -5.05°F | -5.00°F |
| 197901 - 197903 | -99.99°F | -6.08°F | -5.99°F |
| 198001 - 198003 | -99.99°F | -2.33°F | -2.27°F |
| 198101 - 198103 | -99.99°F | 0.51°F | 0.62°F |
| 198201 - 198203 | -99.99°F | -3.16°F | -3.10°F |
| 198301 - 198303 | -99.99°F | 0.69°F | 0.74°F |
| 198401 - 198403 | -99.99°F | -1.34°F | -1.31°F |
| 198501 - 198503 | -99.99°F | -3.22°F | -3.19°F |
| 198601 - 198603 | -99.99°F | 2.13°F | 2.12°F |
| 198701 - 198703 | -99.99°F | 0.36°F | 0.39°F |
| 198801 - 198803 | -99.99°F | -2.15°F | -2.17°F |
| 198901 - 198903 | -99.99°F | -1.46°F | -1.54°F |
| 199001 - 199003 | -99.99°F | 2.54°F | 2.62°F |
| 199101 - 199103 | -99.99°F | 0.76°F | 0.71°F |
| 199201 - 199203 | -99.99°F | 2.57°F | 2.50°F |
| 199301 - 199303 | -99.99°F | -2.31°F | -2.47°F |
| 199401 - 199403 | -99.99°F | -1.53°F | -1.52°F |
| 199501 - 199503 | -99.99°F | 1.15°F | 1.19°F |
| 199601 - 199603 | -99.99°F | -1.97°F | -1.96°F |
| 199701 - 199703 | -99.99°F | 0.12°F | 0.17°F |
| 199801 - 199803 | -99.99°F | 1.57°F | 1.71°F |
| 199901 - 199903 | -99.99°F | 1.92°F | 2.08°F |
| 200001 - 200003 | -99.99°F | 3.02°F | 3.11°F |
| 200101 - 200103 | -99.99°F | -1.17°F | -1.28°F |
| 200201 - 200203 | -99.99°F | 0.03°F | 0.02°F |
| 200301 - 200303 | -99.99°F | -0.47°F | -0.46°F |
| 200401 - 200403 | -99.99°F | 0.33°F | 0.22°F |
| 200501 - 200503 | 1.12°F | 1.11°F | 1.02°F |
| 200601 - 200603 | 1.94°F | 2.02°F | 2.12°F |
| 200701 - 200703 | 0.47°F | 0.37°F | 0.28°F |
| 200801 - 200803 | -1.26°F | -1.16°F | -1.19°F |
| 200901 - 200903 | 0.08°F | 0.12°F | 0.05°F |
| 201001 - 201003 | -1.52°F | -1.43°F | -1.49°F |
| 201101 - 201103 | -1.52°F | -1.50°F | -1.58°F |
| 201201 - 201203 | 4.73°F | 4.57°F | 4.61°F |
| 201301 - 201303 | -0.80°F | -0.80°F | -0.97°F |
| 201401 - 201403 | -2.14°F | -2.37°F | -99.99°F |
| 201501 - 201503 | 0.64°F | 0.38°F | -99.99°F |
| 201601 - 201603 | 3.14°F | 2.96°F | -99.99°F |
| 201701 - 201703 | 3.67°F | 3.53°F | -99.99°F |
| 201801 - 201803 | 0.49°F | 0.03°F | -99.99°F |
| 201901 - 201903 | -1.79°F | -1.88°F | -99.99°F |
| 202001 - 202003 | 2.66°F | 2.48°F | -99.99°F |
| 202101 - 202103 | 0.24°F | 0.13°F | -99.99°F |