Climate BOULOGNE Climate data 1978

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 364 days (99.73% 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:10.1°C364
Annual average maximum temperature:13.1°C363
Average annual minimum temperature:7.4°C363
Annual average humidity:84.9%360
Rain or snow precipitation total annual:643.83 mm364
Annual average visibility:15.1 Km364
Annual average wind speed:20.3 km/h364

To calculate the average temperature used 2335 measurements.
To calculate the average wind speed used 2333 measurements.

Total occurrences

Number of days with extraordinary phenomena.

Total days with rain:139
Total days with snow:17
Total days with thunderstorm:5
Total days with fog:26
Total days with tornado or funnel cloud:0
Total days with hail:3

Days of extreme historical values ​​in 1978

The highest temperature recorded was 27°C on 31 May.
The lowest temperature recorded was -9°C on 31 December.
The maximum wind speed recorded was 88.9 km/h on 21 March.

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