APRS/CWOP weather report from GW3497 – aprs.fi

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Location:	51°49.75' N 0°22.86' W - locator IO91TT49GA - show map 2.1 km Northwest bearing 310° from Harpenden, Hertfordshire, England, United Kingdom [?] 3.5 km North bearing 17° from Redbourn, Hertfordshire, England, United Kingdom 39.7 km Northwest bearing 334° from London, Greater London, England, United Kingdom 40.4 km Northwest bearing 331° from City of London, Greater London, England, United Kingdom
Last position:	2025-09-30 15:18:34 UTC (3m38s ago) 2025-09-30 16:18:34 BST local time at Harpenden, United Kingdom [?]
Last WX report:	2025-09-30 15:12:26 UTC (9m46s ago) 2025-09-30 16:12:26 BST local time at Harpenden, United Kingdom [?]
Temperature:	21.7 °C
Dew point:	11.1 °C
Humidity:	51 %
Pressure:	1025.7 mbar
Wind:	Southwest 245° 0.9 m/s (Gusts 3.1 m/s)
Rain:	0.0 mm during last 1 hour, 0.0 mm during last 24 hours, 0.0 mm since midnight
Luminosity:	322 W/m²

This page shows weather data collected mostly by privately owned and operated weather stations. Stations with a CW-prefixed, numbered callsign are taking part in the Citizen Weather Observer Program (CWOP). Most other weather stations are amateur radio operators with a weather station. Some information is also converted by individuals from publicly available sources like airport weather reports.