Secret Still Observatory

'Star, star teach me how to shine, shine'

Observing Weather 2025

Nights with clear skies and observable conditions in 2025.

Mark

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Seeing Forecast

meteoblue

Weather Forecast

Hours of Darkness

Monthly Stats 2025

Month Clear Skies Longest Run (clear/cloudy) % Clear Total hours*
YTD 20.5/65 5 (Jan, Feb) / 9 (Feb) 35% 268 hours
Mar 4.5 3 / 0 75% 44
Feb 8.5 5 / 9 30% 98
Jan 9.5 5 / 7 31% 126

*Total hours based on number of hours between nautical dusk and nautical dawn on 15th of each month X number of observable days.

Weekly Stats 2025

* denotes at least approx. 50% clear with some observing/photography possible
~ denotes clear but no observing took place

W/C Mon Tue Wed Thu Fri Sat Sun Total Moon
Mar 3 3* 4 5 2.5 1st qtr (6)
Feb 24 25 27 28 1 2 5 New (28)
Feb 17 17* 22* 1 3rd qtr (20)
Feb 10 16* 0.5 Full (12)
Feb 3 3 4 5 6* 3 1st qtr (5)
Jan 27 28* 2* 1 New (29)
Jan 20 21* 24* 25* 1.5 3rd qtr (21)
Jan 13 0 3rd qtr (21)
Jan 6 6* 7 8* 9 10 12 5 Full (13)
Dec 30 2 3* 1.5 1st qtr (6)
Clear skies year-on-year comparison chart

Clear skies year-on-year comparison chart

Previous Years

2024 Weather
2023 Weather
2022 Weather

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