Weather archive in Grimsstadir
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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 | |
| 2020 February 22, Saturday | 21 | -8.0 18 | 706.3 27.81 941.66 941.66 | 742.1 29.22 989.39 989.39 | 1.8 0.07 2.4 2.4 | 81 | Wind blowing from the south-southeast | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 100%. 10/10. 8 oktas | Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels. | 50%. 5/10. 4 oktas | 300-600 984-1968 | Altocumulus cumulogenitus (or cumulonimbogenitus). | 30.0 18.6 | -10.8 13 | ||||||||||||||
18 | -7.5 19 | 704.5 27.74 939.26 939.26 | 740.2 29.14 986.85 986.85 | 2.0 0.08 2.67 2.67 | 67 | variable wind direction | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 100%. 10/10. 8 oktas | -8.5 17 | -5.0 23 | Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels. | 40%. 4/10. 3 oktas | 300-600 984-1968 | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | 40.0 24.9 | -12.6 9 | 0.1 | 9 | |||||||||||
15 | -5.9 21 | 702.5 27.66 936.59 936.59 | 737.8 29.05 983.65 983.65 | 2.1 0.08 2.8 2.8 | 79 | variable wind direction | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | Precipitation within sight, reaching the ground or the surface of the sea, but distant, i.e. estimated to be more than 5 km from the station. | Shower(s). | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels. | 60%. 6/10. 5 oktas | 300-600 984-1968 | Altocumulus cumulogenitus (or cumulonimbogenitus). | 30.0 18.6 | -9.0 16 | ||||||||||||
12 | -6.3 21 | 700.4 27.57 933.79 933.79 | 735.7 28.96 980.85 980.85 | 3.1 0.12 4.13 4.13 | 75 | Wind blowing from the north-northwest | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 100%. 10/10. 8 oktas | Precipitation within sight, reaching the ground or the surface of the sea, near to, but not at the station. | Shower(s). | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels. | 60%. 6/10. 5 oktas | 300-600 984-1968 | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | 45.0 28.0 | -10.0 14 | ||||||||||||
09 | -5.5 22 | 697.3 27.45 929.66 929.66 | 732.3 28.83 976.32 976.32 | 89 | Wind blowing from the north-northwest | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 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. | Continuous fall of snowflakes, slight at time of observation. | Shower(s). | Blizzard | -5.7 22 | -1.5 29 | 1.0 0.6 | -7.0 19 | 0.4 0.02 | 15 | Snow covering ground completely; deep drifts. | 55 21.7 | |||||||||||
| February 21, Friday | 21 | -3.1 26 | 689.1 27.13 918.72 918.72 | 723.4 28.48 964.45 964.45 | 0.5 0.02 0.67 0.67 | 92 | Wind blowing from the north-northwest | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 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. | Precipitation within sight, reaching the ground or the surface of the sea, near to, but not at the station. | Shower(s). | Blizzard | 2.0 1.2 | -4.2 24 | |||||||||||||||