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
    56 w/m²
    UV
    0.0
    Rain

    Rainrate: mm/h
    mm/h
    July: 41.2 mm (57 %)
    2026: 127.6 mm (17 %)

    04:40
    22:31
    Daylight: 17:51
    12:01
    23:26

    Solarpanels 19.07.2026 06:34

    13 wattProduction:
    6 wattUsage:
    Status
    30.6 V | 13 WSolarpanels:
    Bulk | 13.17 V | 0.47 ABattery:
    0.43 A | 5.5 WUsage:
    Production Usage
    Today 0.01 kWh 0.03 kWh
    July 5.42 kWh 2.46 kWh
    2026 34.59 kWh 15.82 kWh
    Temperatures
    32.5°CRasPi - System:
    °CSystem box:
    %System box - Humidity:
    Weathergraphs Panelgraphs Solar vs PV
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    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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