The Year in Heat & Cold
1904
-2.59°F
ran -2.59°F cooler than the 1996–2025 average across 200 cities — the 14th coldest of 157 years on record.
Coldest Day of 1904
-46.0°F
Saranac Lake, NY · Jan 19
Hottest Day of 1904
112.0°F
Phoenix, AZ · Jul 11
Daily Cold Records Set
610
calendar-day record lows set in 1904 that still stand today
Daily Heat Records Set
299
calendar-day record highs set in 1904 that still stand today
Where the Year Ran Warm & Cold
Each city's 1904 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 1904 — the number is the temperature, coloured hot-to-cold. Toggle between the two.
National temperature anomaly by month — red above the line is a warm month, blue below is cool.
Coolest Stations & States
Warmest states of 1904
Montana+0.47°Idaho+0.16°Oregon-0.07°Washington-0.17°Mississippi-0.51°Louisiana-0.57°
Coolest states of 1904
District of Columbia-7.12°New Jersey-5.10°Michigan-5.02°Maryland-4.93°New Hampshire-4.76°Maine-4.74°