| Monthly Climate Summary for March 2004 at Luton (Cranleigh Gardens) | ||||||||||||||
| home | daily | |||||||||||||
| Cold 1st-12th and 22nd-28th, briefly warm mid-month and 30th/31st | back | forward | ||||||||||||
| Overall mean temperature was | 6.5 | ēC | which is | +0.2 | degC | compared with the 1971-2000 average | ||||||||
| Mean day maximum (09-21) was | 10.3 | ēC | which is | +0.4 | degC | compared with the 1971-2000 average | ||||||||
| Mean night minimum (21-09) was | 2.8 | ēC | which is | +0.1 | degC | compared with the 1971-2000 average | ||||||||
| Mean 24hr maximum (09-09) was | 10.3 | ēC | ||||||||||||
| Mean 24hr minimum (09-09) was | 2.7 | ēC | ||||||||||||
| Highest day max was | 19.1 | ēC | on the | 31 | ||||||||||
| Lowest day max was | 4.9 | ēC | on the | 11 | ||||||||||
| Highest night min was | 10.4 | ēC | on the | 16 | ||||||||||
| Lowest night min was | -6.3 | ēC | on the | 1 | ||||||||||
| Lowest grass min was | -7.8 | ēC | on the | 1 | ||||||||||
| Total rainfall this month was | 45.6 | mm | which is | 84.3 | per cent | of the 1971-2000 average | ||||||||
| Highest daily fall was | 8.3 | mm | on the | 24 | ||||||||||
| Number of hours with rain was | ||||||||||||||
| Equiv. TSR rainfall duration was | 38.6 | hrs | which is | 58.7 | per cent | of the 1971-2000 average | ||||||||
| Highest no of wet hrs | hrs | on the | ||||||||||||
| Highest duration | 7.5 | hrs | on the | 11 | ||||||||||
| Mean rainfall intensity | 1.18 | mm/hr | ||||||||||||
| Total CS sunshine this month was | 82.5 | hrs | which is | 87.6 | per cent | of the 1971-2000 average | ||||||||
| Equiv. C/S sunshine total was | hrs | which is | per cent | of the 1971-2000 average | ||||||||||
| Highest daily sun was | 9.4 | hrs | on the | 30 | ||||||||||
| Maximum snow depth was | 2.0 | cm | on the | 12 | ||||||||||
| Mean sea-level pressure at 09Z | 1019.9 | mbar | which is | +5.3 | mbar | compared with the 1961-1990 average | ||||||||
| Highest pressure at 09Z | 1036.8 | mbar | on the | 1 | ||||||||||
| Lowest pressure at 09Z | 1001.0 | mbar | on the | 21 | ||||||||||
| Number of days with: | ||||||||||||||
| Air Frost | 6 | 0.2mm rain | 17 | No sun | 4 | Snow lying | 1 | |||||||
| Grnd Frost | 16 | 1.0mm | 12 | 3h sun | 11 | Snow/sleet | 8 | |||||||
| Max < 0ēC | 0 | 5mm | 2 | 6h sun | 6 | Hail | 7 | |||||||
| Max > 10 | 15 | 10mm | 0 | 9h sun | 1 | Thunder | 0 | |||||||
| Max > 20 | 0 | 25mm | 0 | 12h sun | 0 | Fog at 09Z | 5 | |||||||
| Max > 30 | 0 | 15h sun | 0 | Gale | 1 | |||||||||
| Notable events during the month: | ||||||||||||||
| Five consecutive days with hail, 21st-25th; total of seven hail-days and eight snow/sleet days both highest in March since 1995 | ||||||||||||||
| Lowest March sunshine for three years; third consecutive drier-than-average March | ||||||||||||||