Jun 012020

May 2020 was warmer than average (12.46°C versus an average of 11.45), drier than average (6.60 mm versus an average total of 42.06) and calmer than average (a wind run of 2501 miles versus an average of 2664).

Th maximum temperature in the month was 25.7°C recorded at 17:04 on the 20th. This was ghe highest temperature since 27.8°C was recorded on August 27th 2019. The minimum temperature was -0.6°C, the lowest temperature ever recorded in May. There were two frost days in the month, the first time sub-zero temperatures had been recorded in May. The average temperature in the month was 12.5°C. The average daily high temperature was 18.3°C, and the average daily low temperature was 6.6°C. The warmest day was the 20th with an average temperature of 18.6°C, with the coolest day being the 11th with an average temperature of 5.6°C.

The average wind chill in the month was 12.1°C and the average dew point was 7.0°C. The high dew point was 16.7°C recorded at 11:26 on the 20th. There were 281.9 hours of sunshine, a May record beating the previous best by 13.3 hours. This was 51.2 hours above the May average. The sunniest day was the 29th with 12.2 hours.

Rainfall in the month was 6.6 millimetres recorded on 6 days, with no snow recorded. This was the driest May recorded here, the second driest month here, beating only by the 6.0 millimetres in Aporil 2017. The yearly totel of rainfall was 220.0 millimetres, 109% of normal for the end of May. The wettest day was the 22nd when 2.8 millimetres was recorded. The highest rain rate of 8.2 millimetres per hour was recorded at 21:50 on the 1st.

The highest barometric pressure of 1036.2 millibars was at 22:32 on the 27th, a record for May. The lowest pressure was 991.5 millibars recorded at 02:45 on the 1st. The average pressure in the month was 1020.6 millibars. The highest humidity was 95% and the monthly average humidity was 72%, a low for May. The lowest humidity was 32% at 15:18 on the 25th.

Wind speeds were below average, with the highest wind gust speed of 32 mph being recorded at 17:15 on the 22nd. The maximum wind speed was 18 mph at 17:47 on the 22nd. The wind run was 2499.7 miles, 410.2 miles below the May average. The average gust speed in the month was 5.3 mph, and the average wind speed was 3.4 mph. The predominant direction was southerly (191°).

The maximum high solar radiation recorded at 12:38 on the 13th was 1267 w/m², the highest since 1294 w/m² was recorded on June 20th 2018. The average solar radiation for the month was 27 w/m². The highest U.V. Index was 5.9, the highest since 6.2 was recorded on July 22nd 2019.

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