United States vs United States · 1991–2020
Crystal (historical) or
Challis?
Crystal (historical) peaks in June (81), Challis in June (81). Below, every month side by side — the better comfort score of the pair is marked, which is a statement about climate only.
| Month | Crystal (historical) day | Crystal (historical) rain | Challis day | Challis rain | Daylight | Better score |
|---|---|---|---|---|---|---|
| January | -1.4°C | 10 mm | -1.4°C | 10 mm | 9 h 12 / 9 h 11 | level · 5 |
| February | 2.4°C | 9 mm | 2.4°C | 9 mm | 10 h 23 / 10 h 22 | level · 5 |
| March | 9.4°C | 12 mm | 9.4°C | 12 mm | 11 h 47 / 11 h 46 | level · 17 |
| April | 14.1°C | 13 mm | 14.1°C | 13 mm | 13 h 23 / 13 h 24 | level · 38 |
| May | 19.5°C | 25 mm | 19.5°C | 25 mm | 14 h 45 / 14 h 46 | level · 62 |
| June | 25°C | 23 mm | 25°C | 23 mm | 15 h 30 / 15 h 32 | level · 81 |
| July | 31.4°C | 9 mm | 31.4°C | 9 mm | 15 h 12 / 15 h 14 | level · 68 |
| August | 29.7°C | 12 mm | 29.7°C | 12 mm | 14 h 01 / 14 h 02 | level · 71 |
| September | 23.7°C | 17 mm | 23.7°C | 17 mm | 12 h 27 / 12 h 28 | level · 81 |
| October | 15°C | 15 mm | 15°C | 15 mm | 10 h 54 / 10 h 54 | level · 42 |
| November | 5.7°C | 12 mm | 5.7°C | 12 mm | 9 h 33 / 9 h 31 | level · 5 |
| December | -1.6°C | 13 mm | -1.6°C | 13 mm | 8 h 52 / 8 h 51 | 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.