Clones 1978–2007 averages
TEMPERATURE (degrees Celsius)JanFebMarAprMayJunJulAugSepOctNovDecYear
mean daily max7.27.89.712.115.117.419.218.816.613.19.87.612.9
mean daily min1.61.63.04.26.59.511.411.19.26.63.92.35.9
mean temperature4.44.76.48.110.813.415.315.012.99.96.85.09.4
absolute max.14.816.316.921.525.929.330.528.325.320.116.914.830.5
min. maximum-3.8-0.42.30.00.010.110.711.310.76.21.6-5.7-5.7
max. minimum12.011.311.012.113.416.918.718.017.115.412.712.618.7
absolute min. -12.4-7.3-6.8-3.8-3.71.64.63.50.2-4.5-5.4-11.0-12.4
mean num. of days with air frost 9.48.55.02.50.40.00.00.00.01.14.27.438.4
mean num. of days with ground frost 17.015.013.011.06.01.00.00.02.05.012.015.097.0
mean 5cm soil3.53.65.28.112.114.916.415.612.89.36.24.49.4
mean 10cm soil4.04.05.37.711.114.015.615.112.79.66.74.99.2
mean 20cm soil4.64.66.08.111.314.015.715.513.510.67.65.69.8
RELATIVE HUMIDITY (%)
mean at 0900UTC89.988.786.681.877.478.881.784.687.389.390.890.985.7
mean at 1500UTC 83.377.372.967.566.568.769.671.272.877.382.585.974.6
SUNSHINE (hours)
mean daily duration 1.52.23.04.65.64.64.44.23.62.81.81.23.3
greatest daily duration 7.59.811.013.115.516.015.214.412.09.68.56.916.0
mean num. of days with no sun 12.18.36.03.82.22.62.22.84.06.910.313.274.3
RAINFALL (mm)
mean monthly total 87.671.084.061.663.470.970.888.776.2102.785.198.4960.4
greatest daily total 30.026.934.023.537.738.150.374.627.143.833.131.974.6
mean num. of days with >= 0.2mm 201720161617181818201919218
mean num. of days with >= 1.0mm 151215121212131313151415161
mean num. of days with >= 5.0mm 65644545576764
WIND (knots)
mean monthly speed 9.29.49.47.97.26.76.36.37.07.88.28.77.8
max. gust 70816961535053495762607261.4
max. mean 10-minute speed 46514134353130293737354437.5
mean num. of days with gales 0.60.40.40.10.00.00.00.00.00.10.10.42.2
WEATHER (mean no. of days with..)
snow or sleet 4.94.73.81.10.30.00.00.00.00.00.62.618.0
snow lying at 0900UTC2.81.10.80.10.00.00.00.00.00.00.21.26.2
hail 0.81.62.82.31.30.10.10.00.10.60.40.810.8
thunder 0.10.10.10.10.81.00.50.80.10.10.00.13.8
fog3.73.62.12.21.51.31.62.94.03.54.04.434.8