Weather archive on Mount Washington (AWS)
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| Date / Local time | T | Po | P | Pa | U | DD | Ff | ff10 | ff3 | N | WW | W1 | W2 | Tn | Tx | Cl | Nh | H | Cm | Ch | VV | Td | RRR | tR | E | Tg | E' | sss | |
| 2021 October 20, Wednesday | 14 | -0.3 31 | 602.1 23.7 802.73 802.73 | 87 | Wind blowing from the west-northwest | Gale (20 m/s) (72 km/h) (45 miles/hour) (39 knots) (8 Bft) | 50%. 5/10. 4 oktas | Fog or ice fog. | Fog or ice fog or thick haze. | Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period. | -6.2 21 | -0.3 31 | Cumulus humilis or Cumulus fractus other than of bad weather, or both. | 50%. 5/10. 4 oktas | 100-200 328-656 | Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 71.0 44.1 | -2.2 28 | ||||||||||
08 | -3.3 26 | 600.3 23.63 800.33 800.33 | 100 | Wind blowing from the west-northwest | Violent storm (30 m/s) (108 km/h) (67 miles/hour) (58 knots) (11 Bft) | Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena. | Fog, depositing rime, sky invisible. | Fog or ice fog or thick haze. | Fog or ice fog or thick haze. | -5.2 23 | -3.3 26 | 0.1 0.06 | -3.3 26 | ||||||||||||||||
02 | -3.7 25 | 598.3 23.56 797.67 797.67 | 100 | Wind blowing from the west-northwest | Violent storm (30 m/s) (108 km/h) (67 miles/hour) (58 knots) (11 Bft) | Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena. | Fog, depositing rime, sky invisible. | Shower(s). | Fog or ice fog or thick haze. | -6.6 20 | -3.3 26 | 0.2 0.1 | -3.7 25 | 0.3 0.01 | 6 | ||||||||||||||
| October 19, Tuesday | 20 | -5.0 23 | 598.1 23.55 797.4 797.4 | 100 | Wind blowing from the west-northwest | Violent storm (31 m/s) (112 km/h) (69 miles/hour) (60 knots) (11 Bft) | Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena. | Snow shower(s), slight. Depth of newly fallen snow is 2 cm. 0.8 inches. | Shower(s). | Fog or ice fog or thick haze. | -6.6 20 | -4.4 24 | 0.1 0.06 | -5.0 23 | 3.0 0.12 | 6 | |||||||||||||
14 | -4.9 23 | 596.4 23.48 795.13 795.13 | 100 | Wind blowing from the west | Storm (28 m/s) (101 km/h) (63 mph) (54 knots) (10 Bft) | Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena. | Fog, depositing rime, sky invisible. Depth of newly fallen snow is 2 cm. 0.8 inches. | Shower(s). | Fog or ice fog or thick haze. | -6.6 20 | -4.4 24 | less than 0.1 less than 0.06 | -4.9 23 | 5.0 0.2 | 6 | ||||||||||||||