24-hour Photometer for NearSys Station, 22 December 2018

The day started out clear, but got progressively more cloudy with cirrus clouds.

UAVSonde for NearSys Station, 22 December 2018

The UAVSonde was launched at about 2:00 PM MST. The sky was overcast with thickening cirrus, so the image taken towards the south shows a partial ring around the sun from ice crystals in the clouds. From the presence of the Boise Mountain Range, the visibility is over 50 miles.

At SFC,
Air Temperature: 47.6 deg
Relative Humidity: 39.3%

At FL4,
Air Temperature: 40.3 deg
Relative Humidity: 40.9%

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24-hour Temperature and Relative Humidity for NearSys Station, 16 December 2018

We are experiencing mild and overcast days. There's a little rain and therefore high humidity.

24-hour Photometer Data for NearSys Station, 16 December 2018

It was an overcast day, so the sky's intensity didn't increase significantly.

UAVSonde for NearSys Station, 16 December 2018

The UAVSonde was launched at 13:30 MST today. The visibility is at least 50 miles. A cloud bank or fog is visible to the east.

At SFC,
Temperature: 41.7 deg
Relative Humidity: 60.9%

At FL4,
Temperature: 43.6 deg
Relative Humidity: 42.6%

It's not windy at the surface, but the tilt in the pictures indicates it's windy aloft. That explains the sound of the props I heard on the ground.

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24-hour Temperature and Relative Humidity for NearSys Station, 8 December 2018

Our temperatures continue to rise (slightly) as can be seen in the temperature being higher at the reporting period than at its beginning. We're under a high pressure system that will give away to a series of cold fronts. As a result, we are expecting snow sometime Monday. I suspect the snow won't last in the valley with these higher temperatures.

24-hour Photometer for NearSys Station, 8 December 2018

It was an overcast day. Interestly, the 890 nm infrared sensor reported intensity spikes several times before sunrise. The spikes were 1.6% as high as the afternoon intensity, but occurred during the hours of darkness.