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Meshtitsa Observatory  |  SW250 Meshtitsa  |  Bulgaria

Weather Statistics

Astronomical-night cloud and ambient temperature archive from CloudWatcher telemetry

Sky-Watcher Explorer PDS 250mm Newtonian
Archive Overview
Archived Nights
327
2025-05-18 to 2026-04-15
Clear Nights
136
Nights with at least 50% clear astronomical-darkness samples
Equivalent Clear Hours
1382.5
52% clear-sample share across the full archive
Ambient Span
-10.9 °C to 27.4 °C
Weighted night average 8.0 °C
Clear Night Cadence
Last 7 Nights
2
7 archived nights in the rolling week
Last 30 Nights
4
79.2 clear-equivalent hours
Last 365 Nights
136
327 nights in the rolling yearly archive
2026 Archive
33
105 nights currently stored for 2026
Filter And Export
Visible archive: 0 nights, 0 clear nights, 0.0 clear-equivalent hours, ambient average
Cloud And Temperature Dashboard
Night Quality Trend
Last 24 visible nights · stacked by clear/cloudy/overcast sample share
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Clear Cloudy Overcast
Ambient Temperature Bands
Last 24 visible nights · min/max band with weighted nightly average
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Average Clear-dominant band Cloudy-dominant band Overcast-dominant band
Weekly Monthly Yearly Rollups

The visible nightly rows are re-aggregated here into weekly, monthly, and yearly astronomy-weather summaries. Each row combines clear-night counts with weighted ambient temperatures so you can track observing quality and thermal conditions together.

Weekly
Most recent visible ISO weeks
PeriodNightsClearClear-Night %Clear hAvg TMin / Max
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Monthly
Most recent visible months
PeriodNightsClearClear-Night %Clear hAvg TMin / Max
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Yearly
Full visible archive by calendar year
PeriodNightsClearClear-Night %Clear hAvg TMin / Max
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Nightly Warehouse Table
Showing 0 of 327 archived nights
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Page 1 of 1  |  Rows 0-0