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October 2022


October 2022

Temperatures (all temperatures in degrees Celsuis; all averages 1991-2020)

Mean daily maximum: 15.1   Difference from average: +1.6

Mean daily minimum: 8.5      Difference from average: +2.0

Mean air temperature: 11.8    Difference from average: +1.8

Absolute maximum: 17.7 (4th)

Absolute minimum: 2.6 (13th)

Mean grass minimum: 6.1      Difference from average: +1.6

Absolute grass minimum: -0.7 (13th)

Mean concrete minimum: 6.9

Absolute concrete minimum: 1.0 (13th)

Number of ground frosts: 1    Difference from average: -4

Number of air frosts: 0           Difference from average: -1

Mean soil temperature at 300 mm depth: 12.7

Mean soil temperature at 1000 mm depth: 13.4

Rainfall (all totals in millimetres; all averages 1991-2020)

Total for the month: 89.6        Difference from average: +25.9

Percentage of the average: 141%

Wettest day: 22.0 (20th)

Number of rain days (>0.1 mm): 24

Number of wet days (=>1.0 mm): 15

3-month total rainfall to 31st October 2022: 201.6      Difference from average: +15.0

6-month total rainfall to 31st October 2022: 341.8      Difference from average: -12.5

12-month total rainfall to 31st October 2022: 607.4    Difference from average: -73.6

Sunshine (all totals in hours; all averages 1991-2020)

Total for the month: 128.6                  Difference from average: +30.0

Percentage of the average:  130%

Mean daily sunshine: 4.1       Difference from average: +1.0

Sunniest day: 8.3 (13th)

Number of days with no recorded sunshine: 1

Note that the monthly sunshine total is now calculated from the UKMO E&NE regional total. Daily sunshine totals quoted here and in the data summary are uncorrected.

Wind (kph; all data from the West Building roof, Lower Mountjoy campus)


Average wind speed: 4.7

Maximum gust: 67.6 (17th, 13:45, WSW)

Comments on October 2022


This is the 14th month in a row to experience above-average mean air temperature, a remarkable result given that the standard averaging period (1991-2020) is so recent. The mean air temperature is the 6th highest on record for October since 1843. The mean maximum is the equal 9th highest. Fourteen days had maximum temperatures above 15 °C but the absolute maximum was only 17.7 °C, equal 91st in the annual series; in all 220 October days have been warmer, with the maximum of 25.3 C on 1st October 2011. Reflecting such a mild month, the mean minimum temperature is the equal 8th highest on record since 1850; the absolute minimum (2.6 °C) is also the 8th highest in the annual series, with 8 absolute minima exceeding 10 °C this month. There were no air frosts and just one grass frost.

This was a wet month with six more rain days than normal, the equal 11th highest total of October rain days on record. It was the 40th wettest October on record (n=173) so just into the upper quartile. Nevertheless, it was a sunny month, well above average, the 7th sunniest October on record since 1880.

Emeritus Professor Tim Burt

Department of Geography

Durham University

[email protected]