The Year in Heat & Cold
1873
-3.15°F
ran -3.15°F cooler than the 1996–2025 average across 24 cities — the 153rd warmest of 157 years on record.
Extremes
Hottest Day of 1873
101.0°F
Washington, DC · Jul 3
Coldest Day of 1873
-43.0°F
La Crosse, WI · Jan 18
Records Set in 1873
Daily Heat Records Set
9
calendar-day record highs set in 1873 that still stand today
Daily Cold Records Set
126
calendar-day record lows set in 1873 that still stand today
Where the Year Ran Warm & Cold
Each city's 1873 average temperature versus its 1996–2025 normal — blue where the year ran cool, red where it ran hot.
Hottest & Coldest at Every City
Each city's single hottest and coldest reading of 1873 — the number is the temperature, coloured hot-to-cold. Toggle between the two.
Month by Month
National temperature anomaly by month — red above the line is a warm month, blue below is cool.
-5.55J
-3.97F
-4.96M
-4.24A
-2.21M
+0.72J
-1.40J
-1.28A
-3.77S
-4.58O
-6.53N
-0.81D
Warmest Stations & States
Warmest Stations of 1873
| 1 | Jacksonville FL | +0.24°F |
| 2 | Cincinnati OH | +0.19°F |
| 3 | Mobile AL | -1.16°F |
| 4 | Montgomery AL | -1.55°F |
| 5 | Indianapolis IN | -1.56°F |
| 6 | Baltimore MD | -2.13°F |
| 7 | Lexington KY | -2.16°F |
| 8 | Denver CO | -2.26°F |
| 9 | Cleveland OH | -2.29°F |
| 10 | Cheyenne WY | -2.31°F |
Coolest Stations of 1873
| 1 | Newark NJ | -6.60°F |
| 2 | Minneapolis-St Paul MN | -6.53°F |
| 3 | La Crosse WI | -4.95°F |
| 4 | New York-Central Park NY | -4.94°F |
| 5 | Chicago IL | -4.52°F |
| 6 | Milwaukee WI | -4.51°F |
| 7 | Boston MA | -4.16°F |
| 8 | Washington DC | -4.11°F |
| 9 | Rochester NY | -4.09°F |
| 10 | Omaha NE | -4.00°F |
By State
Warmest states of 1873
Florida+0.24°Ohio-1.05°Alabama-1.35°Indiana-1.56°Maryland-2.13°Colorado-2.26°
Coolest states of 1873
New Jersey-6.60°Minnesota-6.53°New York-4.52°Illinois-4.52°Wisconsin-4.35°Massachusetts-4.16°
Hottest Since · Browse all states · See where it's coldest → coldestsince.com
part of Weather Trader · supported by Substack Subscribers · data: NWS NDFD forecast + NOAA/ACIS ThreadEx records · updated 2026-07-12 22:52Z
© 2026 Weather Trader · All rights reserved
part of Weather Trader · supported by Substack Subscribers · data: NWS NDFD forecast + NOAA/ACIS ThreadEx records · updated 2026-07-12 22:52Z
© 2026 Weather Trader · All rights reserved