| Monthly Climate Summary for December 2002 at Milhaguet (Carreau) | |||||||||||||
| Home | Daily | ||||||||||||
| Cold until the 9th, then mainly mild. Violent hailstorm on the evening of the 14th | Back | Forward | |||||||||||
| Overall mean temperature was | 6.4 | ēC | which is | +1.6 | degC | compared with the 1971-2000 average | |||||||
| Mean day maximum (09-21) was | 8.9 | ēC | which is | -0.1 | degC | compared with the 1971-2000 average | |||||||
| Mean night minimum (21-09) was | 3.8 | ēC | which is | +3.3 | degC | compared with the 1971-2000 average | |||||||
| Mean 24hr maximum (09-09) was | 9.0 | ēC | |||||||||||
| Mean 24hr minimum (09-09) was | 3.8 | ēC | |||||||||||
| Highest day max was | 13.1 | ēC | on the | 23 | |||||||||
| Lowest day max was | 1.9 | ēC | on the | 7 | |||||||||
| Highest night min was | 8.7 | ēC | on the | 27 | |||||||||
| Lowest night min was | -0.8 | ēC | on the | 4 | |||||||||
| Lowest grass min was | -3.7 | ēC | on the | 4 | |||||||||
| Total rainfall this month was | 119.2 | mm | which is | 104.6 | per cent | of the 1971-2000 average | |||||||
| Highest daily fall was | 33.9 | mm | on the | 14 | |||||||||
| Number of hours with rain was | 125.0 | hrs | |||||||||||
| Equiv. TSR rainfall duration was | 87.5 | hrs | which is | per cent | of the 1971-2000 average | ||||||||
| Highest no of wet hrs | 14.0 | hrs | on the | 1 | |||||||||
| Highest equiv duration | 11.2 | hrs | on the | 1 | |||||||||
| Total sunshine this month was | 4.5 | hrs | which is | 6.6 | per cent | of the 1971-2000 average | |||||||
| Equiv. C/S sunshine total was | 5.0 | hrs | which is | 6.6 | per cent | of the 1971-2000 average | |||||||
| Highest daily sun was | 1.0 | hrs | on the | 3 | |||||||||
| Maximum snow depth was | 0.0 | cm | on the | ||||||||||
| Mean sea-level pressure at 09Z | mbar | which is | mbar | compared with the 1961-1990 average | |||||||||
| Highest pressure at 09Z | mbar | on the | |||||||||||
| Lowest pressure at 09Z | mbar | on the | |||||||||||
| Number of days with: | |||||||||||||
| Air Frost | 4 | 0.2mm rain | 23 | No sun | 15 | Snow lying | 0 | ||||||
| Grnd Frost | 12 | 1.0mm | 15 | 3h sun | 0 | Snow/sleet | 0 | ||||||
| Max < 0ēC | 0 | 5mm | 10 | 6h sun | 0 | Hail | 0 | ||||||
| Max > 10 | 15 | 10mm | 3 | 9h sun | 0 | Thunder | 0 | ||||||
| Max > 20 | 0 | 25mm | 1 | 12h sun | 0 | Fog at 09Z | 0 | ||||||
| Max > 30 | 0 | 50mm | 0 | 15h sun | 0 | Gale | 0 | ||||||
| Notable events during the month: | |||||||||||||
| Ferocious hailstorm on the evening of the 14th dropped 6.4mm of rain in 5 minutes at 2145h, 9.5mm in 10 mins, 12.3mm in 15 mins, | |||||||||||||
| 15.4mm in 20 mins, 16.7mm in 25 mins, 17.8mm in 30 mins, and 21.1mm in one hour. | |||||||||||||