The Year in Heat & Cold
1903
-2.36°F
ran -2.36°F cooler than the 1996–2025 average across 198 cities — the 140th warmest of 157 years on record.
Extremes
Hottest Day of 1903
113.0°F
Yuma, AZ · Aug 16
Coldest Day of 1903
-46.0°F
Williston, ND · Feb 15
Records Set in 1903
Daily Heat Records Set
196
calendar-day record highs set in 1903 that still stand today
Daily Cold Records Set
923
calendar-day record lows set in 1903 that still stand today
Where the Year Ran Warm & Cold
Each city's 1903 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 1903 — 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.
-0.72J
-3.93F
+1.12M
-1.74A
-1.08M
-4.94J
-2.58J
-2.96A
-3.06S
-0.82O
-3.48N
-5.07D
Warmest Stations & States
Warmest Stations of 1903
| 1 | Great Falls MT | +1.12°F |
| 2 | Trenton NJ | +0.71°F |
| 3 | Pittsburgh PA | +0.69°F |
| 4 | Needles CA | +0.35°F |
| 5 | Zanesville OH | -0.01°F |
| 6 | Charlottesville VA | -0.04°F |
| 7 | Aberdeen SD | -0.09°F |
| 8 | Astoria OR | -0.11°F |
| 9 | Lynchburg VA | -0.20°F |
| 10 | Lewiston ID | -0.20°F |
Coolest Stations of 1903
| 1 | Phoenix AZ | -6.22°F |
| 2 | Reno NV | -6.22°F |
| 3 | Riverside CA | -5.84°F |
| 4 | Greenville-Spartanburg SC | -5.10°F |
| 5 | Washington DC | -4.91°F |
| 6 | Tucson AZ | -4.73°F |
| 7 | Newark NJ | -4.70°F |
| 8 | Laredo TX | -4.70°F |
| 9 | Dallas-Fort Worth TX | -4.58°F |
| 10 | Bakersfield CA | -4.47°F |
By State
Warmest states of 1903
Vermont-0.23°Montana-0.97°Virginia-1.12°Oregon-1.29°Iowa-1.43°Idaho-1.44°
Coolest states of 1903
District of Columbia-4.91°Arizona-4.30°Utah-3.86°Nevada-3.72°North Dakota-3.71°Texas-3.38°
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