October 2018 was cooler than average (10.1°C versus an average of 10.7), drier than average (27.80 mm versus an average total of 50.10) and windier than average (a wind run of 2740 miles versus an average of 2684).
The maximum temperature recorded at 14:37 on the 13th was 22.7°C, the highest October temperature since 25.6°C was recorded on October 3rd 2011, and the fourth highest October temperature here. The minimum temperature, recorded at 07:01 on the 29th was -0.7°C. This was the lowest October temperature ever recorded here, beating the previous lowest of -0.4°C set on October 25th 2010. The average temperature in the month was 10.1°C, 0.6°C below the October mean. The mean daily low was 6.6°C, 1.1°C below the average low. The mean daily high was 14.1°C, 0.1°C above the average for October. The warmest day was the 11th with an average temperature of 15.5°C, with the coldest day being the 29th with an average of 2.8°C.
The highest dew point was 17.7°C at 12:49 on the 13th. The minimum dew point was -1.9°C at 07:04 on the 27th. The monthly average dew point was 7.8°C. The high wind chill was 22.7°C at 14:33 on the 13th, with the low wind chill being -0.7°C at 07:01 on the 29th. The average monthly wind chill was 9.7°C. The maximum heat index was 22.7°C recorded at 14:33 on the 13th. There were 86.1 hours of sunshine, with the sunniest day being the 11th when 6.76 hours were recorded.
October 2018 was drier than average with 27.8 millimetres recorded on 15 days. This was well below the October average of 46.8 millimetres. The yearly total is now 437.2 millimetres, average for the end of October. The 15 rain days equals the lowest for October. The wettest day was the 15th when 12.0 millimetres was recorded. The highest rain rate was 9.0 millimetres recorded at 09:37 on the 14th. There was no snow recorded.
The highest barometric pressure was 1037.4 millibars at 12:08 on the 22nd, the highest ever recorded here in October, beating the previous high of 1034.9 set in 2009. The lowest barometric pressure was 994.7 millibars at 12:19 on the 30th. The average pressure in the month was 1016.5 millibars. The highest humidity was 99% and the monthly average humidity was 86%. The lowest humidity was 55% at 13:38 on the 9th.
At 15:20 on the 12th, a wind gust of 42 mph was recorded, the second highest wind gust of 2018, beaten only by the 43 mph gust recorded on January 18th. The wind run was 2739.9 miles, well below the October average of 2951.3 miles. The average gust speed in the month was 6.0 mph, 0.4 mph below the mean.. The average wind speed was 3.8 mph, 0.2 mph below the mean. The maximum wind speed was 17 mph at 16:05 on the 12th. The predominant direction was southerly (189°).
The maximum high solar radiation recorded at 12:31 on the 1st was 772 w/m². The average solar radiation for the month was 71 w/m². The highest U.V. Index was 2.2 recorded at 12:31 on the 1st.