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| Point Forecast: 3 Miles NW West Richland WA 46.35N 119.45W (Elev. 499 ft) |
Last Update: 1:41 pm PDT Oct 20, 2020 |
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| Date | 10/20 | 10/21 | ||||||||||||||||||||||
| Hour (PDT) | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 |
| Temperature (°F) | 62 | 63 | 63 | 62 | 60 | 57 | 54 | 52 | 50 | 49 | 48 | 48 | 47 | 47 | 46 | 45 | 44 | 43 | 44 | 48 | 53 | 57 | 59 | 59 |
| Dewpoint (°F) | 40 | 40 | 40 | 39 | 39 | 38 | 38 | 38 | 38 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 36 | 37 | 37 | 38 | 37 | 35 | 32 |
| Wind Chill (°F) | 47 | 46 | 45 | 44 | 44 | 43 | 42 | 41 | 39 | 38 | 39 | 43 | ||||||||||||
| Surface Wind (mph) | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 9 | 18 | 18 | 18 |
| Wind Dir | SW | SW | SW | W | W | W | NW | NW | NW | W | W | W | W | W | W | W | W | W | W | W | W | NW | NW | NW |
| Gust | 26 | 26 | 26 | |||||||||||||||||||||
| Sky Cover (%) | 37 | 37 | 37 | 25 | 25 | 25 | 25 | 25 | 25 | 14 | 14 | 14 | 21 | 21 | 21 | 20 | 20 | 20 | 18 | 18 | 18 | 17 | 17 | 17 |
| Precipitation Potential (%) | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 5 | 5 | 5 | 5 | 5 | 5 | 8 | 8 | 8 |
| Relative Humidity (%) | 44 | 43 | 42 | 43 | 46 | 50 | 55 | 59 | 62 | 64 | 65 | 66 | 67 | 68 | 70 | 73 | 76 | 77 | 75 | 67 | 57 | 47 | 40 | 36 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 10/22 | |||||||||||||||||||||||
| Hour (PDT) | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 |
| Temperature (°F) | 59 | 59 | 58 | 57 | 54 | 51 | 48 | 46 | 45 | 44 | 43 | 42 | 41 | 40 | 39 | 37 | 35 | 34 | 34 | 37 | 40 | 44 | 46 | 48 |
| Dewpoint (°F) | 31 | 30 | 30 | 31 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 28 | 27 | 27 | 27 | 27 | 27 | 26 | 25 |
| Wind Chill (°F) | 43 | 41 | 39 | 39 | 38 | 37 | 37 | 35 | 34 | 33 | 30 | 29 | 29 | 32 | 36 | 39 | 42 | 45 | ||||||
| Surface Wind (mph) | 21 | 21 | 21 | 14 | 14 | 14 | 10 | 10 | 10 | 8 | 8 | 8 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 |
| Wind Dir | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | N | N | N | N | N | N |
| Gust | 30 | 30 | 30 | 20 | 20 | 20 | ||||||||||||||||||
| Sky Cover (%) | 37 | 37 | 37 | 43 | 43 | 43 | 22 | 22 | 22 | 15 | 15 | 15 | 16 | 16 | 16 | 15 | 15 | 15 | 18 | 18 | 18 | 16 | 16 | 16 |
| Precipitation Potential (%) | 8 | 8 | 8 | 4 | 4 | 4 | 4 | 4 | 4 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 35 | 34 | 35 | 37 | 40 | 45 | 49 | 53 | 56 | 58 | 60 | 62 | 64 | 66 | 69 | 71 | 74 | 76 | 74 | 68 | 60 | 51 | 44 | 40 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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