| Descanso 045707 Srn Mtns 3480' | September | October | November |
| Minimum Humidity | |||
| Mean monthly minimum RH% | 24 | 26 | 26 |
| Days 1-10 mean minimum RH% | 23 | 24 | 26 |
| Days 10-20 mean minimum RH% | 22 | 24 | 28 |
| Days 20-30 mean minimum RH% | 26 | 29 | 25 |
| Days 1-10 lowest mean minimum RH% | 10 | 9 | 12 |
| Days 10-20 lowest mean minimum RH% | 12 | 8 | 11 |
| Days 20-30 lowest mean minimum RH% | 9 | 11 | 10 |
| Days 1-10 highest mean minimum RH% | 44 | 49 | 56 |
| Days 10-20 highest mean minimum RH% | 30 | 50 | 55 |
| Days 20-30 highest mean minimum RH% | 40 | 49 | 52 |
| Maximum Humidity | |||
| Mean monthly maximum RH% | 82 | 80 | 76 |
| Days 1-10 mean maximum RH% | 83 | 77 | 80 |
| Day 10-20 mean maximum RH% | 83 | 79 | 77 |
| Days 20-30 mean maximum RH% | 82 | 81 | 71 |
| Days 1-10 lowest mean maximum RH% | 62 | 54 | 55 |
| Days 10-20 lowest mean maximum RH% | 54 | 41 | 45 |
| Days 20-30 lowest mean maximum RH% | 49 | 49 | 54 |
| Days 1-10 highest mean maximum RH% | 100 | 100 | 100 |
| Days 10-20 highest mean maximum RH% | 100 | 100 | 99 |
| Days 20-30 highest mean maximum RH% | 100 | 100 | 100 |
| Maximum temperatures | |||
| Mean monthly maximum temperature | 88 | 79 | 70 |
| Days 1-10 mean maximum temperature | 90 | 84 | 72 |
| Days 10-20 mean maximum temperature | 87 | 81 | 69 |
| Days 20-30 mean maximum temperature | 86 | 75 | 68 |
| Days 1-10 lowest mean maximum temperature | 75 | 73 | 62 |
| Days 10-20 lowest mean maximum temperature | 77 | 69 | 554 |
| Days 20-30 lowest mean maximum temperature | 76 | 61 | 58 |
| Ddays 1-10 highest mean maximum temperature | 95 | 92 | 80 |
| Days 10-20 highest mean maximum temperature | 98 | 91 | 80 |
| Days 20-30 highest mean maximum temperature | 96 | 84 | 79 |
| Highest daily maximum temperature | 104 | 98 | 92 |
| Lowest daily maximum temperature | 57 | 50 | 41 |
| Mimimum temperatures | |||
| Mean monthly minimum temperature | 47 | 41 | 36 |
| Days 1-10 mean minimum temperature | 50 | 44 | 37 |
| Days 10-20 mean minimum temperature | 45 | 42 | 36 |
| Days 20-30 mean minimum temperature | 47 | 39 | 36 |
| Days 1-10 lowest mean minimum temperature | 40 | 35 | 29 |
| Days 10-20 lowest mean minimum temperature | 32 | 33 | 26 |
| Days 20-30 lowest mean minimum temperature | 35 | 29 | 27 |
| Days 1-10 highest mean minimum temperature | 60 | 49 | 47 |
| Days 10-20 highest mean minimum temperature | 59 | 53 | 46 |
| Days 20-30 highest mean minimum temperature | 57 | 49 | 45 |
| Highest daily minimum temperature | 78 | 72 | 70 |
| Lowest daily minimum temperature | 22 | 19 | 16 |
| 1300P Wind Speed | |||
| Days 1-10 mean wind speed | 7.5 | 7.4 | 6.5 |
| Days 10-20 mean wind speed | 7.3 | 7 | 6.4 |
| Days 20-30 mean wind speed | 7 | 6.7 | 6.9 |
| Days 1-10 max average wind speed | 9.6 | 9.6 | 8.9 |
| Days 10-20 max average wind speed | 8.9 | 9.4 | 8.8 |
| Days 20-30 max average wind speed | 8.7 | 8.3 | 9.8 |
| Period of Record: 18 years | |||