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About PaloAltoWeather.comWeather • Air Quality • Seismic Activity PaloAltoWeather.com |
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About PaloAltoWeather.comWeather • Air Quality • Seismic Activity PaloAltoWeather.com |
| Details Downstream Location Timeline |
| NWS | FW4751 | |
| Synoptic | F4751 | |
| PurpleAir | PaloAltoWeather.com | |
| APRS/CWOP | F4751 | |
| UK Met Office | PaloAltoWeather.com | |
| WOW-BE | PaloAltoWeather.com | |
| Windy | f0634ec3 | |
| Weather Under. | KCAPALOA156 | |
| WeatherCloud | PaloAltoWeather.com | |
| AWEKAS | 16242 | |
| PWS | PALOALTOCA |
| Latitude | 37° 25.89' N | |
| Longitude | 122° 06.66' W | |
| Altitude | 11 feet | |
| Hardware | Vantage Pro2 Plus 24H Fan Aspirated |
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| Wireless Weather Envoy | ||
| USB Data Logger | ||
| Sonic Anemometer | ||
| HyQuest TB3 | ||
| PurpleAir Classic Plus1,2 | ||
| AirGradient Open Air3 | ||
| 1 | EPA correction applied | |
| 2 | EPA Final AQI Update | |
| 3 | Used to track CO2 | |
| WX Srv. | Raspbery Pi 5 8GB | |
| M.2 Hat+ | ||
| Raspberry Pi SSD 1TB | ||
| Raspberry Pi OS (Trixie) | ||
| Web Srv. | Google Compute Engine | |
| Axion N4A (Arm) | ||
| 1 vCPU, 2GB memory | ||
| 20GB disk | ||
| Debian OS (Trixie) |
| Signal Quality | 100% | |
| Tx Battery | OK | |
| Console Battery | 3.9 V |
| Host Name | charlemagne5t | |
| Operating System | Linux 6.12.62+rpt-rpi-2712 | |
| Server uptime | 17 days, 22 h, 23 m, 43 s | |
| WeeWX uptime | 15 days, 18 h, 39 m, 16 s | |
| VM Size | ||
| VM RSS | ||
| Shared | ||
| Data | ||
| WeeWX version | 5.3.1 | |
| Python version | 3.13.5 | |
| Custom Skin | LiveSeasons 5.0 |
PaloAltoWeather.com Rooftop
Photo: May 21, 2025
PaloAltoWeather.com Computer Rack
Photo: May 23, 2025
RainWise Mark III-LR
Click to see this station on NWS.
Original PaloAltoWeather.com (re-creation)
Click to check out WeatherBoard!
Raspberry Shake 4D
R3C71, AM Network, Raspberry Shake, S.A.
Raspberry Boom
RE991, AM Network, Raspberry Shake, S.A.
Courtesy of Internet Archive
Raspberry Shake 3D
R24AE, AM Network, Raspberry Shake, S.A.
PurpleAir PA-II-SD
Currently two PurpleAir
sensors are deployed.
Wireless Vantage Pro2™ Plus
Additional Capabilities
24-Hr Fan Aspirated Radiation Shield
Ultrasonic Anemometer
On Board UV Sensor
On Board Radiation Sensor
Davis AirLink
RainWise Rain Gauge
8" diameter collector meets NWS specifications for statistical accuracy.
This rain gauge, in turn, has subsequently been upgraded (see below).
RainWise Industrial Rain Gauge
8.5" diameter collector.
Meets NWS specification for
statistical accuracy.
HyQuest Solutions TB3 Rain Gauge
The world standard in
tipping rain gauges.
Due to the integrated siphon,
the gauge delivers high levels
of accuracy across a broad
range of rainfall intensities.
HyQuest Solutions TB7 Rain Gauge
HyQuest Solutions’ TB7 is a high-
quality tipping bucket rain gauge
for measuring rainfall.
PurpleAir PA-II-Flex
PaloAltoWeather Computer Rack
PaloAltoWeather.com's servers moved
from a mix of NUC 7i5 and Raspbery Pi
servers to being completely on Raspberry
Pi 5 8G computers.
Note: PaloAltoWether.com web traffic is
served by a Google GCE instance.
Davis Envoy Array
Photo: May 23, 2025
Pre-Construction PaloAltoWeather.com Rooftop
Photo: November 29, 2022
Solar Supports Installed
Rooftop Prepared for Foam Spraying
Photo: April 23, 2025
Spraying the Foam Roof
Photo: April 23, 2025
Initial Foam Coat Complete
Photo: April 23, 2025
Solar Panels Installed
Photo: May 1, 2025
PaloAltoWeather.com Rooftop After Construction
Photo: May 21, 2025
Impact on UV during construction.
Impact on Radiation during construction.
AirGradient Open Air
Reporting CO2
Also tracking TVOC & NOx
PaloAltoWeather.com ©2019-2026 by John A Kline.
Contact: weatherman@paloaltoweather.com
Don't use this information to make consequential decisions.
Double check information before relying on it!