Weather archive in Ariyalur
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Weather statistics
| 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 | |
| 2025 March 24, Monday | 08:30 | 26.8 80 | 754.9 29.72 1006.45 1006.45 | 761.5 29.98 1015.25 1015.25 | 80 | Wind blowing from the south-west | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 25.5 78 | Stratocumulus cumulogenitus. | 50%. 5/10. 4 oktas | 600-1000 1968-3281 | Altostratus opacus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 10.0 6.2 | 23.0 73 | |||||||||||||
T, air temperature (degrees Celsius) at 2 metre height above the earth's surface
T, air temperature (degrees Fahrenheit) at 2 metre height above the earth's surface
P0, atmospheric pressure at weather station level (millimeters of mercury)
P0, atmospheric pressure at weather station level (inches of mercury)
P0, atmospheric pressure at weather station level (millibars)
P0, atmospheric pressure at weather station level (hectopascals)
P, atmospheric pressure reduced to mean sea level (millimeters of mercury)
P, atmospheric pressure reduced to mean sea level (inches of mercury)
P, atmospheric pressure reduced to mean sea level (millibars)
P, atmospheric pressure reduced to mean sea level (hectopascals)
U, relative humidity (%) at a height of 2 metres above the earth's surface
DD, mean wind direction (compass points) at a height of 10-12 metres above the earth’s surface over the 10-minute period immediately preceding the observation
FF, mean wind speed at a height of 10-12 metres above the earth’s surface over the 10-minute period immediately preceding the observation (meters per second)
FF, mean wind speed at a height of 10-12 metres above the earth’s surface over the 10-minute period immediately preceding the observation (kilometers per hour)
FF, mean wind speed at a height of 10-12 metres above the earth’s surface over the 10-minute period immediately preceding the observation (miles per hour)
FF, mean wind speed at a height of 10-12 metres above the earth’s surface over the 10-minute period immediately preceding the observation (knots)
FF, mean wind speed at a height of 10-12 metres above the earth’s surface over the 10-minute period immediately preceding the observation (Beaufort number)
FF10, maximum gust value at a height of 10-12 metres above the earth’s surface over the 10-minute period immediately preceding the observation (meters per second)
FF10, maximum gust value at a height of 10-12 metres above the earth’s surface over the 10-minute period immediately preceding the observation (kilometers per hour)
FF10, maximum gust value at a height of 10-12 metres above the earth’s surface over the 10-minute period immediately preceding the observation (miles per hour)
FF10, maximum gust value at a height of 10-12 metres above the earth’s surface over the 10-minute period immediately preceding the observation (knots)
FF10, maximum gust value at a height of 10-12 metres above the earth’s surface over the 10-minute period immediately preceding the observation (Beaufort number)
FF3, maximum gust value at a height of 10-12 metres above the earth’s surface between the periods of observations (meters per second)
FF3, maximum gust value at a height of 10-12 metres above the earth’s surface between the periods of observations (kilometers per hour)
FF3, maximum gust value at a height of 10-12 metres above the earth’s surface between the periods of observations (miles per hour)
FF3, maximum gust value at a height of 10-12 metres above the earth’s surface between the periods of observations (knots)
FF3, maximum gust value at a height of 10-12 metres above the earth’s surface between the periods of observations (Beaufort number)
Tn, minimum air temperature (degrees Celsius) during the past period (not exceeding 12 hours)
Tn, minimum air temperature (degrees Fahrenheit) during the past period (not exceeding 12 hours)
Tx, maximum air temperature (degrees Celsius) during the past period (not exceeding 12 hours)
Tx, maximum air temperature (degrees Fahrenheit) during the past period (not exceeding 12 hours)
Nh, amount of all the CL cloud present or, if no CL cloud is present, the amount of all the CM cloud present
H, height of the base of the lowest clouds (m)
H, height of the base of the lowest clouds (feet)
VV, horizontal visibility (km)
VV, horizontal visibility (miles)
RRR, amount of precipitation (millimeters)
RRR, amount of precipitation (inches)
sss, snow depth (cm)
sss, snow depth (inches)
Period | Mean value | Minimum value (date) | Maximum value (date) | Number of observations |
| 18.03.2025 - 24.03.2025, all days | +2.8 +37.0 | -3.8 +25.0 (20.03.2025) | +11.7 +53.0 (23.03.2025) | 168 |
Period | Mean value | Minimum value (date) | Maximum value (date) | Number of observations |
| 18.03.2025 - 24.03.2025, all days | - | - | - | - |
Period | Mean value | Minimum value (date) | Maximum value (date) | Number of observations |
| 18.03.2025 - 24.03.2025, all days | - | - | - | - |
Period | Mean value | Minimum value (date) | Number of observations |
| 18.03.2025 - 24.03.2025, all days | 65 | 29 (23.03.2025) | 168 |
Period | N | NNE | NE | ENE | E | ESE | SE | SSE | S | SSW | SW | WSW | W | WNW | NW | NNW | variable wind direction | calm | Number of observations |
| 18.03.2025 - 24.03.2025, all days | 1.2 % | 0.6 % | 0 % | 0.6 % | 0 % | 1.2 % | 13.1 % | 20.2 % | 4.8 % | 1.8 % | 8.3 % | 1.2 % | 11.9 % | 13.1 % | 13.7 % | 8.3 % | 0 % | 0 % | 168 |
Period | Mean value | Maximum value (date) | Number of observations |
| 18.03.2025 - 24.03.2025, all days | 9.0 32.0 20.0 17.0 5.0 | 19 68 43 37 8 (18.03.2025) | 168 |
Period | Mean value | Maximum value (date) | Number of observations |
| 18.03.2025 - 24.03.2025, all days | - | - | - |
Period | Mean value | Maximum value (date) | Number of observations |
| 18.03.2025 - 24.03.2025, all days | 15.9 57.0 35.0 31.0 7.0 | 25 90 56 49 10 (18.03.2025) | 154 |
Period | Minimum value (date) | Number of observations |
| 18.03.2025 - 24.03.2025, all days | -4.3 +24.0 (19.03.2025) | 168 |
-4.3 +24.0 (20.03.2025) |
Period | Maximum value (date) | Number of observations |
| 18.03.2025 - 24.03.2025, all days | +11.7 +53.0 (23.03.2025) | 168 |
Period | Mean value | Number of observations |
| 18.03.2025 - 24.03.2025, all days | no clouds no clouds no clouds | 168 |
Period | Mean value | Number of observations |
| 18.03.2025 - 24.03.2025, all days | - | - |
Period | Mean value | Minimum value (date) | Number of observations |
| 18.03.2025 - 24.03.2025, all days | - | - | - |
Period | Total precipitation | Maximum value (date) | Number of days with precipitation | Number of observations |
| 18.03.2025 - 24.03.2025, all days | - | - | - | - |
Period | Mean value | Maximum value (date) | Latest date of snow cover | Earliest date of snow cover | Number of observations |
| 18.03.2025 - 24.03.2025, all days | - | - | - | - | - |