Weatherstation Kemiönsaari, Västanfjärd

Precip- and lightningradar

Weatherforecastmap

Weatherforecast

    Current conditions

    Temperature
    °C °C
    Dewpoint

    Pressure
    hPa hPa
    Wind

    m/s
    Direction

    Windrun: km

    Humidity
    % %
    Solar
    554 w/m²
    UV
    1.5
    Rain

    Rainrate: mm/h
    mm/h
    September: 44.4 mm (63 %)
    2025: 293.8 mm (38 %)

    07:28
    19:13
    Daylight: 11:45
    16:53
    19:44

    Solarpanels 28.09.2025 22:16

    0 wattProduction:
    4 wattUsage:
    Status
    0.06 V | 0 WSolarpanels:
    -- | 12.85 V | -0.4 ABattery:
    0.33 A | 4.2 WUsage:
    Production Usage
    Today 0.17 kWh 0.13 kWh
    September 5.30 kWh 3.97 kWh
    2025 42.94 kWh 23.76 kWh
    Temperatures
    25.8°CRasPi - System:
    °CSystem box:
    %System box - Humidity:
    Weathergraphs Panelgraphs Solar vs PV
    Loading data, please wait..
    The weatherstation works totally "off-grid" with solarpower. One of the ideas for the project is to check how well it works also during the dark season. As powersource works one 445 W bifacial solarpanel and 194 Ah of batterys. As controller is a BlueSolar MPPT 75/15 with serialport for data.
    Stuffs what wants power are a RaspberryPi, router/4G-modem, ip-cam, weatherstation and lightningtracker as partipating in the european-wide Blitzortung-network. Total powerneed are ca 210 watt per day during summertime if running everything 24/7 and ca 12 watt during wintertime when running with minimal uptime and lightningradar offline.

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