Clones 1961-1990 averages
TEMPERATURE (degrees Celsius)JanFebMarAprMayJunJulAugSepOctNovDecYear
mean daily max.6.77.19.211.614.517.218.618.316.013.18.97.412.4
mean daily min.1.31.32.13.45.78.610.410.18.36.52.92.25.2
mean4.04.25.77.510.112.914.514.212.19.85.94.88.8
absolute max.13.114.020.621.925.428.130.527.523.522.116.214.830.5
absolute min.-12.4-9.0-9.8-4.2-3.70.54.11.5-0.2-3.0-6.6-10.4-12.4
mean no. of days with air frost10.49.26.83.30.60.00.00.00.00.86.58.646.1
mean no. of days with ground frost16.714.913.411.56.31.50.20.82.14.412.914.398.9
RELATIVE HUMIDITY (%)
mean at 0900UTC90898782787982858890919186
mean at 1500UTC85787368676970727579838675
SUNSHINE (hours)
mean daily duration1.412.083.034.525.284.914.284.073.322.441.791.133.19
greatest daily duration7.59.511.313.415.316.015.713.511.79.38.56.716.0
mean no. of days with no sun13864223357101477
RAINFALL (mm)
mean monthly total90.767.577.256.467.467.760.485.083.196.785.590.6928.4
greatest daily total27.127.133.524.926.930.437.545.627.676.834.835.176.8
mean no. of days with >= 0.2mm211619161717171918201920218
mean no. of days with >= 1.0mm161214121312121414151415164
mean no. of days with >= 5.0mm75645546666766
WIND (knots)
mean monthly speed9.89.610.18.58.07.26.96.97.58.58.59.48.4
max. gust83817363605753558768717587
max. mean 10-minute speed54514540353632375040424754
mean no. of days with gales1.20.80.90.20.20.10.00.00.20.30.30.54.8
WEATHER (mean no. of days with...)
snow or sleet7.16.44.92.00.40.00.00.00.00.12.04.226.9
snow lying at 0900UTC4.72.51.30.30.00.00.00.00.00.00.51.410.8
hail1.21.93.93.01.70.40.10.10.30.71.21.015.5
thunder0.10.10.10.31.11.60.90.80.40.10.00.15.7
fog5.14.42.72.92.02.02.34.75.25.15.74.746.8