Climate Janesville / Rock County Climate data 1974

Data reported by the weather station: 726415 (KJVL)
Latitude: 42.61 | Longitude: -89.03 | Altitude: 246

°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:9.2°C364
Annual average maximum temperature:12.7°C362
Average annual minimum temperature:5.0°C363
Annual average humidity:72.6%362
Rain or snow precipitation total annual:--
Annual average visibility:19.8 Km364
Annual average wind speed:17.6 km/h364

To calculate the average temperature used 3117 measurements.
To calculate the average wind speed used 3107 measurements.

Total occurrences

Number of days with extraordinary phenomena.

Total days with rain:55
Total days with snow:32
Total days with thunderstorm:12
Total days with fog:91
Total days with tornado or funnel cloud:0
Total days with hail:0

Days of extreme historical values ​​in 1974

The highest temperature recorded was 35.6°C on 9 July.
The lowest temperature recorded was -27.7°C on 12 January.
The maximum wind speed recorded was 83.2 km/h on 12 April.

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