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 |
|---|---|---|---|
| 189502 - 189504 | -99.99°F | -3.60°F | -3.41°F |
| 189602 - 189604 | -99.99°F | -1.62°F | -1.58°F |
| 189702 - 189704 | -99.99°F | -2.32°F | -2.25°F |
| 189802 - 189804 | -99.99°F | -1.02°F | -1.01°F |
| 189902 - 189904 | -99.99°F | -5.51°F | -5.45°F |
| 190002 - 190004 | -99.99°F | -2.22°F | -2.24°F |
| 190102 - 190104 | -99.99°F | -3.44°F | -3.36°F |
| 190202 - 190204 | -99.99°F | -2.13°F | -1.93°F |
| 190302 - 190304 | -99.99°F | -3.14°F | -2.95°F |
| 190402 - 190404 | -99.99°F | -2.49°F | -2.43°F |
| 190502 - 190504 | -99.99°F | -2.58°F | -2.50°F |
| 190602 - 190604 | -99.99°F | -2.59°F | -2.50°F |
| 190702 - 190704 | -99.99°F | -0.53°F | -0.40°F |
| 190802 - 190804 | -99.99°F | -0.20°F | -0.14°F |
| 190902 - 190904 | -99.99°F | -1.98°F | -1.94°F |
| 191002 - 191004 | -99.99°F | 0.69°F | 0.82°F |
| 191102 - 191104 | -99.99°F | -0.87°F | -0.71°F |
| 191202 - 191204 | -99.99°F | -4.29°F | -4.10°F |
| 191302 - 191304 | -99.99°F | -3.56°F | -3.38°F |
| 191402 - 191404 | -99.99°F | -2.99°F | -2.83°F |
| 191502 - 191504 | -99.99°F | -0.94°F | -0.76°F |
| 191602 - 191604 | -99.99°F | -1.62°F | -1.46°F |
| 191702 - 191704 | -99.99°F | -4.40°F | -4.22°F |
| 191802 - 191804 | -99.99°F | -0.56°F | -0.42°F |
| 191902 - 191904 | -99.99°F | -1.93°F | -1.85°F |
| 192002 - 192004 | -99.99°F | -3.18°F | -3.13°F |
| 192102 - 192104 | -99.99°F | 1.42°F | 1.49°F |
| 192202 - 192204 | -99.99°F | -2.53°F | -2.42°F |
| 192302 - 192304 | -99.99°F | -4.17°F | -4.06°F |
| 192402 - 192404 | -99.99°F | -2.55°F | -2.45°F |
| 192502 - 192504 | -99.99°F | 2.33°F | 2.44°F |
| 192602 - 192604 | -99.99°F | -0.97°F | -0.89°F |
| 192702 - 192704 | -99.99°F | 0.49°F | 0.55°F |
| 192802 - 192804 | -99.99°F | -1.59°F | -1.49°F |
| 192902 - 192904 | -99.99°F | -2.88°F | -2.73°F |
| 193002 - 193004 | -99.99°F | 1.55°F | 1.63°F |
| 193102 - 193104 | -99.99°F | -0.62°F | -0.55°F |
| 193202 - 193204 | -99.99°F | -1.54°F | -1.49°F |
| 193302 - 193304 | -99.99°F | -3.01°F | -2.87°F |
| 193402 - 193404 | -99.99°F | 0.19°F | 0.25°F |
| 193502 - 193504 | -99.99°F | -0.32°F | -0.26°F |
| 193602 - 193604 | -99.99°F | -3.80°F | -3.71°F |
| 193702 - 193704 | -99.99°F | -3.20°F | -3.14°F |
| 193802 - 193804 | -99.99°F | 0.82°F | 0.91°F |
| 193902 - 193904 | -99.99°F | -2.09°F | -2.02°F |
| 194002 - 194004 | -99.99°F | -1.56°F | -1.49°F |
| 194102 - 194104 | -99.99°F | -1.84°F | -1.75°F |
| 194202 - 194204 | -99.99°F | -1.72°F | -1.61°F |
| 194302 - 194304 | -99.99°F | -0.87°F | -0.78°F |
| 194402 - 194404 | -99.99°F | -2.77°F | -2.62°F |
| 194502 - 194504 | -99.99°F | 0.25°F | 0.35°F |
| 194602 - 194604 | -99.99°F | 2.00°F | 2.06°F |
| 194702 - 194704 | -99.99°F | -3.06°F | -2.99°F |
| 194802 - 194804 | -99.99°F | -2.20°F | -2.11°F |
| 194902 - 194904 | -99.99°F | -1.84°F | -1.75°F |
| 195002 - 195004 | -99.99°F | -2.41°F | -2.30°F |
| 195102 - 195104 | -99.99°F | -2.49°F | -2.40°F |
| 195202 - 195204 | -99.99°F | -1.82°F | -1.72°F |
| 195302 - 195304 | -99.99°F | -0.63°F | -0.57°F |
| 195402 - 195404 | -99.99°F | 1.52°F | 1.56°F |
| 195502 - 195504 | -99.99°F | -2.10°F | -2.03°F |
| 195602 - 195604 | -99.99°F | -2.63°F | -2.59°F |
| 195702 - 195704 | -99.99°F | -0.08°F | -0.02°F |
| 195802 - 195804 | -99.99°F | -3.45°F | -3.38°F |
| 195902 - 195904 | -99.99°F | -1.58°F | -1.54°F |
| 196002 - 196004 | -99.99°F | -3.75°F | -3.67°F |
| 196102 - 196104 | -99.99°F | -0.24°F | -0.18°F |
| 196202 - 196204 | -99.99°F | -1.87°F | -1.83°F |
| 196302 - 196304 | -99.99°F | -0.18°F | -0.16°F |
| 196402 - 196404 | -99.99°F | -2.80°F | -2.74°F |
| 196502 - 196504 | -99.99°F | -3.48°F | -3.46°F |
| 196602 - 196604 | -99.99°F | -2.03°F | -1.99°F |
| 196702 - 196704 | -99.99°F | -0.92°F | -0.85°F |
| 196802 - 196804 | -99.99°F | -1.07°F | -1.01°F |
| 196902 - 196904 | -99.99°F | -2.94°F | -2.89°F |
| 197002 - 197004 | -99.99°F | -2.33°F | -2.27°F |
| 197102 - 197104 | -99.99°F | -2.29°F | -2.24°F |
| 197202 - 197204 | -99.99°F | -0.63°F | -0.61°F |
| 197302 - 197304 | -99.99°F | -1.19°F | -1.13°F |
| 197402 - 197404 | -99.99°F | 0.13°F | 0.22°F |
| 197502 - 197504 | -99.99°F | -3.99°F | -3.96°F |
| 197602 - 197604 | -99.99°F | 1.15°F | 1.18°F |
| 197702 - 197704 | -99.99°F | 1.00°F | 1.06°F |
| 197802 - 197804 | -99.99°F | -3.13°F | -3.12°F |
| 197902 - 197904 | -99.99°F | -3.32°F | -3.28°F |
| 198002 - 198004 | -99.99°F | -2.21°F | -2.18°F |
| 198102 - 198104 | -99.99°F | 1.43°F | 1.49°F |
| 198202 - 198204 | -99.99°F | -2.34°F | -2.29°F |
| 198302 - 198304 | -99.99°F | -1.34°F | -1.27°F |
| 198402 - 198404 | -99.99°F | -1.07°F | -1.03°F |
| 198502 - 198504 | -99.99°F | -0.52°F | -0.50°F |
| 198602 - 198604 | -99.99°F | 1.54°F | 1.56°F |
| 198702 - 198704 | -99.99°F | 1.07°F | 1.07°F |
| 198802 - 198804 | -99.99°F | -0.79°F | -0.80°F |
| 198902 - 198904 | -99.99°F | -1.85°F | -1.93°F |
| 199002 - 199004 | -99.99°F | 1.23°F | 1.23°F |
| 199102 - 199104 | -99.99°F | 1.80°F | 1.81°F |
| 199202 - 199204 | -99.99°F | 2.22°F | 2.18°F |
| 199302 - 199304 | -99.99°F | -2.48°F | -2.59°F |
| 199402 - 199404 | -99.99°F | -0.41°F | -0.42°F |
| 199502 - 199504 | -99.99°F | -0.06°F | -0.02°F |
| 199602 - 199604 | -99.99°F | -1.64°F | -1.69°F |
| 199702 - 199704 | -99.99°F | -0.55°F | -0.52°F |
| 199802 - 199804 | -99.99°F | 0.28°F | 0.35°F |
| 199902 - 199904 | -99.99°F | 1.19°F | 1.33°F |
| 200002 - 200004 | -99.99°F | 2.71°F | 2.71°F |
| 200102 - 200104 | -99.99°F | -0.58°F | -0.64°F |
| 200202 - 200204 | -99.99°F | -0.29°F | -0.36°F |
| 200302 - 200304 | -99.99°F | -0.77°F | -0.70°F |
| 200402 - 200404 | -99.99°F | 1.13°F | 1.06°F |
| 200502 - 200504 | 0.68°F | 0.75°F | 0.72°F |
| 200602 - 200604 | 0.64°F | 0.81°F | 0.83°F |
| 200702 - 200704 | 0.27°F | 0.11°F | 0.04°F |
| 200802 - 200804 | -1.18°F | -1.11°F | -1.16°F |
| 200902 - 200904 | 0.02°F | 0.09°F | 0.07°F |
| 201002 - 201004 | -0.65°F | -0.56°F | -0.56°F |
| 201102 - 201104 | -0.61°F | -0.74°F | -0.72°F |
| 201202 - 201204 | 4.22°F | 4.11°F | 4.15°F |
| 201302 - 201304 | -1.64°F | -1.64°F | -1.67°F |
| 201402 - 201404 | -1.75°F | -1.98°F | -99.99°F |
| 201502 - 201504 | 0.68°F | 0.45°F | -99.99°F |
| 201602 - 201604 | 3.40°F | 3.29°F | -99.99°F |
| 201702 - 201704 | 3.88°F | 3.62°F | -99.99°F |
| 201802 - 201804 | -0.67°F | -1.00°F | -99.99°F |
| 201902 - 201904 | -1.48°F | -1.77°F | -99.99°F |
| 202002 - 202004 | 1.15°F | 0.95°F | -99.99°F |