Climate BOULOGNE Climate data 1999

Data reported by the weather station: 70020
Latitude: 50.73 | Longitude: 1.6 | Altitude: 74

°F°C
mi/hkm/h

Average climatic values ​​and annual totals

To calculate annual averages, we analyzed data of 363 days (99.45% of year).

If in the average or annual total of some data is missing information of 10 or more days, this is not displayed.

The total rainfall value 0 (zero) may indicate that there has been no such measurement and / or the weather station does not broadcast.

DataValueComputed days
Average annual temperature:11.6°C363
Annual average maximum temperature:14.5°C363
Average annual minimum temperature:9.1°C363
Annual average humidity:80.1%363
Rain or snow precipitation total annual:465.54 mm359
Annual average visibility:--
Annual average wind speed:21.9 km/h363

To calculate the average temperature used 6517 measurements.
To calculate the average wind speed used 6516 measurements.

Total occurrences

Number of days with extraordinary phenomena.

Total days with rain:145
Total days with snow:6
Total days with thunderstorm:8
Total days with fog:14
Total days with tornado or funnel cloud:0
Total days with hail:2

Days of extreme historical values ​​in 1999

The highest temperature recorded was 30.9°C on 2 August.
The lowest temperature recorded was -3.5°C on 13 February.
The maximum wind speed recorded was 129.5 km/h on 25 December.

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