National Temperature Index
- Time Series
- Background
- FAQ
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
Place mouse on axis and left-click to pan; wheel up/down for zoom in/out (or shift key+left-click).
Download:
| Dates | USCRN | ClimDiv | USHCN |
|---|---|---|---|
| 189508 - 189510 | -99.99°F | -1.35°F | -1.31°F |
| 189608 - 189610 | -99.99°F | -1.65°F | -1.61°F |
| 189708 - 189710 | -99.99°F | 0.26°F | 0.18°F |
| 189808 - 189810 | -99.99°F | -0.79°F | -0.87°F |
| 189908 - 189910 | -99.99°F | -0.52°F | -0.53°F |
| 190008 - 190010 | -99.99°F | 0.76°F | 0.74°F |
| 190108 - 190110 | -99.99°F | -0.06°F | -0.08°F |
| 190208 - 190210 | -99.99°F | -1.17°F | -1.13°F |
| 190308 - 190310 | -99.99°F | -1.48°F | -1.45°F |
| 190408 - 190410 | -99.99°F | -0.83°F | -0.83°F |
| 190508 - 190510 | -99.99°F | -0.71°F | -0.74°F |
| 190608 - 190610 | -99.99°F | -0.48°F | -0.51°F |
| 190708 - 190710 | -99.99°F | -1.10°F | -1.14°F |
| 190808 - 190810 | -99.99°F | -1.35°F | -1.40°F |
| 190908 - 190910 | -99.99°F | -0.62°F | -0.65°F |
| 191008 - 191010 | -99.99°F | 0.11°F | 0.11°F |
| 191108 - 191110 | -99.99°F | -0.81°F | -0.79°F |
| 191208 - 191210 | -99.99°F | -2.02°F | -2.01°F |
| 191308 - 191310 | -99.99°F | -1.15°F | -1.10°F |
| 191408 - 191410 | -99.99°F | -0.19°F | -0.22°F |
| 191508 - 191510 | -99.99°F | -0.72°F | -0.74°F |
| 191608 - 191610 | -99.99°F | -1.54°F | -1.54°F |
| 191708 - 191710 | -99.99°F | -2.19°F | -2.17°F |
| 191808 - 191810 | -99.99°F | -0.50°F | -0.51°F |
| 191908 - 191910 | -99.99°F | -0.53°F | -0.55°F |
| 192008 - 192010 | -99.99°F | -0.46°F | -0.53°F |
| 192108 - 192110 | -99.99°F | 0.61°F | 0.58°F |
| 192208 - 192210 | -99.99°F | 1.01°F | 0.94°F |
| 192308 - 192310 | -99.99°F | -1.55°F | -1.57°F |
| 192408 - 192410 | -99.99°F | -0.77°F | -0.80°F |
| 192508 - 192510 | -99.99°F | -1.70°F | -1.75°F |
| 192608 - 192610 | -99.99°F | -0.23°F | -0.34°F |
| 192708 - 192710 | -99.99°F | -0.61°F | -0.67°F |
| 192808 - 192810 | -99.99°F | -0.64°F | -0.69°F |
| 192908 - 192910 | -99.99°F | -0.71°F | -0.76°F |
| 193008 - 193010 | -99.99°F | -0.58°F | -0.60°F |
| 193108 - 193110 | -99.99°F | 1.53°F | 1.48°F |
| 193208 - 193210 | -99.99°F | -0.83°F | -0.87°F |
| 193308 - 193310 | -99.99°F | 0.92°F | 0.88°F |
| 193408 - 193410 | -99.99°F | 0.60°F | 0.56°F |
| 193508 - 193510 | -99.99°F | -0.16°F | -0.23°F |
| 193608 - 193610 | -99.99°F | 0.79°F | 0.71°F |
| 193708 - 193710 | -99.99°F | 0.72°F | 0.66°F |
| 193808 - 193810 | -99.99°F | 1.56°F | 1.51°F |
| 193908 - 193910 | -99.99°F | 0.88°F | 0.79°F |
| 194008 - 194010 | -99.99°F | 0.50°F | 0.41°F |
| 194108 - 194110 | -99.99°F | -0.09°F | -0.11°F |
| 194208 - 194210 | -99.99°F | -0.69°F | -0.71°F |
| 194308 - 194310 | -99.99°F | -0.20°F | -0.23°F |
| 194408 - 194410 | -99.99°F | 0.18°F | 0.12°F |
| 194508 - 194510 | -99.99°F | -0.26°F | -0.34°F |
| 194608 - 194610 | -99.99°F | -1.07°F | -1.12°F |
| 194708 - 194710 | -99.99°F | 2.45°F | 2.39°F |
| 194808 - 194810 | -99.99°F | -0.26°F | -0.32°F |
| 194908 - 194910 | -99.99°F | -0.73°F | -0.77°F |
| 195008 - 195010 | -99.99°F | -0.36°F | -0.40°F |
| 195108 - 195110 | -99.99°F | -0.70°F | -0.76°F |
| 195208 - 195210 | -99.99°F | -0.14°F | -0.19°F |
| 195308 - 195310 | -99.99°F | 0.80°F | 0.75°F |
| 195408 - 195410 | -99.99°F | 0.41°F | 0.37°F |
| 195508 - 195510 | -99.99°F | 0.90°F | 0.85°F |
| 195608 - 195610 | -99.99°F | 0.29°F | 0.25°F |
| 195708 - 195710 | -99.99°F | -1.53°F | -1.56°F |
| 195808 - 195810 | -99.99°F | 0.46°F | 0.42°F |
| 195908 - 195910 | -99.99°F | -0.28°F | -0.32°F |
| 196008 - 196010 | -99.99°F | 0.45°F | 0.37°F |
| 196108 - 196110 | -99.99°F | -0.71°F | -0.77°F |
| 196208 - 196210 | -99.99°F | 0.11°F | 0.05°F |
| 196308 - 196310 | -99.99°F | 1.87°F | 1.78°F |
| 196408 - 196410 | -99.99°F | -1.29°F | -1.36°F |
| 196508 - 196510 | -99.99°F | -1.42°F | -1.48°F |
| 196608 - 196610 | -99.99°F | -1.28°F | -1.34°F |
| 196708 - 196710 | -99.99°F | -0.96°F | -1.00°F |
| 196808 - 196810 | -99.99°F | -0.98°F | -1.01°F |
| 196908 - 196910 | -99.99°F | -0.76°F | -0.77°F |
| 197008 - 197010 | -99.99°F | -0.62°F | -0.66°F |
| 197108 - 197110 | -99.99°F | -0.22°F | -0.24°F |
| 197208 - 197210 | -99.99°F | -1.23°F | -1.24°F |
| 197308 - 197310 | -99.99°F | 0.33°F | 0.29°F |
| 197408 - 197410 | -99.99°F | -1.86°F | -1.92°F |
| 197508 - 197510 | -99.99°F | -1.01°F | -1.04°F |
| 197608 - 197610 | -99.99°F | -2.41°F | -2.41°F |
| 197708 - 197710 | -99.99°F | -0.13°F | -0.17°F |
| 197808 - 197810 | -99.99°F | -0.01°F | -0.04°F |
| 197908 - 197910 | -99.99°F | 0.08°F | 0.08°F |
| 198008 - 198010 | -99.99°F | -0.15°F | -0.17°F |
| 198108 - 198110 | -99.99°F | -0.91°F | -0.95°F |
| 198208 - 198210 | -99.99°F | -0.90°F | -0.91°F |
| 198308 - 198310 | -99.99°F | 1.19°F | 1.18°F |
| 198408 - 198410 | -99.99°F | -0.74°F | -0.73°F |
| 198508 - 198510 | -99.99°F | -1.34°F | -1.34°F |
| 198608 - 198610 | -99.99°F | -0.88°F | -0.89°F |
| 198708 - 198710 | -99.99°F | -0.67°F | -0.75°F |
| 198808 - 198810 | -99.99°F | 0.05°F | -0.03°F |
| 198908 - 198910 | -99.99°F | -0.78°F | -0.78°F |
| 199008 - 199010 | -99.99°F | 0.51°F | 0.50°F |
| 199108 - 199110 | -99.99°F | 0.19°F | 0.16°F |
| 199208 - 199210 | -99.99°F | -1.01°F | -1.06°F |
| 199308 - 199310 | -99.99°F | -1.31°F | -1.28°F |
| 199408 - 199410 | -99.99°F | -0.04°F | -0.05°F |
| 199508 - 199510 | -99.99°F | 0.46°F | 0.46°F |
| 199608 - 199610 | -99.99°F | -0.85°F | -0.82°F |
| 199708 - 199710 | -99.99°F | 0.00°F | 0.05°F |
| 199808 - 199810 | -99.99°F | 2.02°F | 2.03°F |
| 199908 - 199910 | -99.99°F | -0.02°F | -0.08°F |
| 200008 - 200010 | -99.99°F | 0.88°F | 0.88°F |
| 200108 - 200110 | -99.99°F | 0.76°F | 0.70°F |
| 200208 - 200210 | -99.99°F | -0.18°F | -0.16°F |
| 200308 - 200310 | -99.99°F | 1.36°F | 1.36°F |
| 200408 - 200410 | -99.99°F | -0.30°F | -0.19°F |
| 200508 - 200510 | 1.21°F | 1.29°F | 1.34°F |
| 200608 - 200610 | -1.06°F | -0.93°F | -0.89°F |
| 200708 - 200710 | 1.81°F | 1.89°F | 1.99°F |
| 200808 - 200810 | -0.23°F | -0.20°F | -0.23°F |
| 200908 - 200910 | -1.06°F | -1.10°F | -1.07°F |
| 201008 - 201010 | 1.60°F | 1.53°F | 1.55°F |
| 201108 - 201110 | 1.34°F | 1.37°F | 1.40°F |
| 201208 - 201210 | 0.70°F | 0.64°F | 0.59°F |
| 201308 - 201310 | 0.46°F | 0.44°F | -99.99°F |
| 201408 - 201410 | 1.16°F | 1.10°F | -99.99°F |
| 201508 - 201510 | 2.40°F | 2.22°F | -99.99°F |
| 201608 - 201610 | 2.38°F | 2.10°F | -99.99°F |
| 201708 - 201710 | 0.71°F | 0.62°F | -99.99°F |
| 201808 - 201810 | 1.10°F | 0.92°F | -99.99°F |