Hi, I use the latest UDP API spec, but Local Day Rain Accumulation from the Sky observations is always null, even though it is correctly reported within your app. / Joel

That is correct. That index is added by the WeatherFlow servers and not by the Hub.

But why is it specified as part of the UDP observation message for the Sky device, if always sent as null? Index Field Units 0 Time Epoch Seconds 1 Illuminance Lux 2 UV Index 3 Rain Accumulated mm 4 Wind Lull (minimum 3 second sample) m/s 5 Wind Avg (average over report interval) m…

To keep the index fields the same across all methods. This way the parsing code for REST, websocket and UDP can all use the same code. In other words, it’s a place holder and will be null in UDP.

Here is the original discussion. [image] UDP Accumulated Rain Field 11 = Null? Developers I’ve been struggling to get Weather-Display (WD) to reliably capture rain readings from SKY. The hub is reporting directly to Weather Underground in parallel with being accessed vi…

UDP API reports null for daily rain

Developers

GaryFunk March 4, 2019, 10:46pm 5

Here is the original discussion.

Topic		Replies	Views
UDP Accumulated Rain Field 11 = Null? Developers udp	22	2326	April 11, 2020
Rain Accumulation via UDP Developers	4	474	January 26, 2021
Obs_sky data in udp Developers	14	1615	March 15, 2018
Daily rain accumulation in UDP messages Developers api , rain , tempest	5	376	January 1, 2024
API questions re: rain measurements Third-Party Integrations tempest	7	189	December 2, 2025

UDP API reports null for daily rain

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