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
    144 w/m²
    UV
    0.0
    Rain

    Rainrate: mm/h
    mm/h
    November: 1.6 mm (2 %)
    2026: 265.4 mm (35 %)

    07:59
    16:28
    Daylight: 8:29
    01:20
    15:11

    Solarpanels 04.11.2026 16:07

    1 wattProduction:
    3 wattUsage:
    Status
    28.62 V | 1 WSolarpanels:
    Bulk | 13.05 V | -0.11 ABattery:
    0.23 A | 3.0 WUsage:
    Production Usage
    Today 0.12 kWh 0.03 kWh
    November 0.42 kWh 0.20 kWh
    2026 56.26 kWh 26.98 kWh
    Temperatures
    22.8°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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