Jan 032023

(Due to a sensor fault, data between the 12th and 17th is unreliable.)

December 2022 was cooler than average (3.94°C versus an average of 4.88), drier than average (50.60 mm versus an average total of 56.48) and calmer than average (a wind run of 2169 miles versus an average of 3269).

The highest temperature in the month was 13.3°C recorded at 16:00 on the 19th.The lowest temperature was -4.8°C, recorded at 07:00 on the 16th, the lowest temperature since January 31st 2019 when the temperature fell to -6.7°C. The average temperature in the month was 3.9°C. The average daily high temperature was 6.7°C, 0.9°C above the mean. The average daily low temperature was 1.4°C, 0.9°C below the monthly mean.

The warmest day was the 19th with any average temperature of 12.1°C. The coolest day was the 12th with an average temperature of -1.6°C.The maximum wind chill was 12.1°C recorded at 20:32 on the 19th. The lowest wind chill was -5.4°C recorded at 07:05 on the 18th.The maximum dew point was 11.8°C recorded at 15:43 on the 19th. The lowest dew point was -5.7°C recorded at 07:00 on the 16th.The monthly average dew point was 2.8°C, 0.6°C below the monthly mean. There were 12 frost days.

Rainfall in the month was 50.6 millimetres recorded on 22 days, 5.4 millimetres below the average for December. The wettest day was the 31st when 11.2 millimetres of rain was recorded. The highest rain rate was 26.4 millimetres per hour at 10:47 on the 31st. The total yesrly rainfall was 583.2 millimetres, 102% of the average for the end of December. There was 10.5 millmetres of snowfall recorded on two days.

The highest barometric pressure was 1029.1 millibars recorded at 08:39 on the 1st. The lowest barometric pressure was 982.7 millibars at 12:39 on the 30th. The average pressure in the month was 1009.1 millibars. The highest humidity was 100%, and the monthly average humidity was 88%. The lowest humidity was 50% on the 15th.

The highest wind gust speed of 31 mph being recorded at 23:21 on the 28th. The maximum wind speed was 17 mph at 17:24 on the 30th. The wind run was 2169.4 miles, well below the December average of 3575.1 miles. The average gust speed in the month was 4.9 mph, and the average wind speed was 3.0 mph. The predominant direction was southerly (171°).

The maximum high solar radiation recorded at 13:05 on the 2nd was 318 w/m². The average solar radiation for the month was 22 w/m². No U.V. index readings were recorded.

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