United States vs United States · 1991–2020
Rail Road Flat or
Arnold?
Rail Road Flat peaks in September (88), Arnold in September (88). Below, every month side by side — the better comfort score of the pair is marked, which is a statement about climate only.
| Month | Rail Road Flat day | Rail Road Flat rain | Arnold day | Arnold rain | Daylight | Better score |
|---|---|---|---|---|---|---|
| January | 7.3°C | 280 mm | 7.3°C | 280 mm | 9 h 46 / 9 h 46 | level · 5 |
| February | 7.6°C | 252 mm | 7.6°C | 252 mm | 10 h 42 / 10 h 42 | level · 5 |
| March | 9.3°C | 226 mm | 9.3°C | 226 mm | 11 h 50 / 11 h 50 | level · 5 |
| April | 12.2°C | 122 mm | 12.2°C | 122 mm | 13 h 08 / 13 h 08 | level · 21 |
| May | 16.9°C | 73 mm | 16.9°C | 73 mm | 14 h 14 / 14 h 13 | level · 52 |
| June | 22.7°C | 18 mm | 22.7°C | 18 mm | 14 h 49 / 14 h 49 | level · 85 |
| July | 26.8°C | 3 mm | 26.8°C | 3 mm | 14 h 35 / 14 h 35 | level · 87 |
| August | 26.6°C | 1 mm | 26.6°C | 1 mm | 13 h 39 / 13 h 39 | level · 87 |
| September | 23.1°C | 11 mm | 23.1°C | 11 mm | 12 h 23 / 12 h 23 | level · 88 |
| October | 17.5°C | 75 mm | 17.5°C | 75 mm | 11 h 08 / 11 h 08 | level · 56 |
| November | 10.9°C | 128 mm | 10.9°C | 128 mm | 10 h 02 / 10 h 03 | level · 15 |
| December | 6.6°C | 248 mm | 6.6°C | 248 mm | 9 h 30 / 9 h 31 | level · 5 |
Comfort scores compare climate and nothing else — not cost, crowds, flights or what there is to do when you arrive. Two places can also read stations of very different quality: check the distance in the caption above before treating a one-point gap as meaningful.