October 2017 was the driest October recorded here. Temperatures were well above average, with only October 2011 being warmer.
The maximum temperature in the month was 20.1°C recorded at 14:14 on the 13th, 0.8°C above the average monthly maximum for October. This was the third warmest October day ever and the warmest October day since 25.6°C was recorded on October 3rd 2011. The warmest ever October day here was on October 1st 2011 when the temperature reached 27.4°C.The minimum temperature was 1.7°C recorded at 04:19 on the 30th, 0.4°C below the average monthly minimum for October. This was the lowest temperature recorded since April 27th 2017, when the temperature fell to 0.0°C. The average temperature in the month was 11.7°C, beaten only by the 12.0°C set in October 2011. The average daily maximum temperature was 14.7°C (0.7°C above the mean) and the average daily minimum temperature was 8.8°C (1.0°C above the mean). The warmest day was the 14th with an average temperature of 16.6°C. The coldest day was the 30th with an average temperature of 5.6°C.
The highest dew point was 16.6°C recorded at 14:13 on the 13th, 1.3°C above the October average high. The lowest dew point was 0.2°C recorded at 03:19 on the 30th, 0.1°C below the average October minimum. The average dew point for the month was 9.6°C, 0.9°C above the October mean. The high wind chill was 20.1°C recorded at 14:14 on the 13th. The low wind chill was 1.7°C reocrded at 04:19 on the 30th. The average wind chill in the month was 11.1°C. There were 52.88 hours of sunshine in the month, with the sunniest day being the 5th when 6.33 hours were recorded.
October 2017 was the driest October ever recorded here when only 23.8 millimetres of precipitation was recorded on 18 days. This was 25.2 millimetres below the average for the month. The wettest day was the 19th when 6.2 millimetres of rain was recorded. The highest rain rate was 17.2 millimetres per hour recorded at 18:43 on the 19th. There have been 376.4 millimetres of rain so far this year, 86% of the average by the end of October.
The highest barometric pressure was 1033.9 millibars at 13:42 on the 27th. The lowest barometric pressure was 991.7 millibars at 18:15 on the 21st. The average pressure in the month was 1014.8 millibars. The highest humidity was 98% , the first time that 100% humidity has not been recorded at any time in the month. The month average humidity was 87% and the lowest humidity was 61% at 18:37 on the 16th.
The highest wind gust in the month was 35 mph recorded at 18:48 on the 16th. This was the third windiest day of the year. The windiest day was February 23rd, when a 50 mph gust was recorded, followed by January 11th, when a 36 mph gust was recorded. The average gust speed in the month was 7.4 mph, mean 6.4 mph. The average wind speed was 4.8 mph, mean 4.0 mph. The maximum wind speed was 19 mph at 19:20 on the 16th. 1.0 mph below the mean. The total wind run was 3541.4 miles, with the predominate direction being 231°.
The maximum high solar radiation recorded at 14:22 on the 2nd was 766 w/m². The average solar radiation for the month was 57 w/m². The highest U.V. Index was 2.7 set at 13:11 on the 2nd.