Tank Readings Analysis

Offline Fixture Replay
Sample S013 for tank BC92B3
Oil Tank Warehouse · Robert Devey
Matches expected baseline
baseline
Sampling Class SEMI_SPARSE
Data Health 92.5%
Usage Rate (L/day) 7.4
Days Remaining 38
Weekly Consumption Hidden 2 reportable weeks / 3
Points Processed
Raw: 36
Deduped: 0

Pipeline Output (Litres)

Raw    Smoothed    Noise/Spike  |  Click a point to inspect analysis.

Weekly Consumption Report

Weekly consumption needs more fully covered weeks with good readings before it can be shown.
Needs at least 4 reportable weeks, health 85%+, and coverage 60%+.
Sampling SEMI_SPARSE
Data Health 92.5%
Bars are shown only for weeks with enough clean coverage. Missing or unreliable weeks are left blank.

Detected Events

Time Type Delta (L)
Mar 29 15:26 LOW_LEVEL 335L (25%)

Pipeline Trace

[Pipeline] Starting Pipeline execution...
[StageIngestSnapshot] Loaded 36 snapshot readings.
[StageValidate] Validation complete. Invalidated: 0
[StageDedup] Removed 0 duplicates.
[StageGapAnalysis] Median Interval: 8.0h, Max Gap: 44.0h. Class: SEMI_SPARSE
[StageNoise] Applied smoothing to 36 points.
[StageNoise] Applied Monotonic + Stability Filter. Clamped 0 points.
[StageMetrics] Calculated per-point usage rates.
[StageMetrics] Set Global Usage Rate to LATEST: 7.35 L/day.
[StageMetrics] Health Score: 92.5% (Good: 27, Fair: 9, Poor: 0)
[StageVisuals] Generated series. Raw: 36, Smooth: 36
[Pipeline] Pipeline completed in 0.9ms

Weekly Consumption Data Used

This table shows the exact weekly windows and start/end smoothed volumes used for the weekly report. Weeks with top-ups, drops, noise, or weak coverage are kept for audit but excluded from the chart values.
Week Week Range Data Used Start (L) End (L) Net Change (L) Consumption (L) Readings Span (days) Max Gap (h) Status Checks
2026-W12 16 Mar - 22 Mar 2026 21 Mar 12:25 - 22 Mar 10:26 387.2 381.4 -5.8 5.8 6 0.9 8.0 INSUFFICIENT Issue: Insufficient Span, Late Week Start
2026-W13 23 Mar - 29 Mar 2026 23 Mar 01:26 - 29 Mar 21:26 381.4 334.7 -46.8 46.8 20 6.8 18.0 OK None
2026-W14 30 Mar - 05 Apr 2026 30 Mar 05:26 - 05 Apr 23:26 334.7 280.6 -54.0 54.0 10 6.8 44.0 OK Warning: Internal Gap Warning

Detailed Reading Analysis

Timestamp Raw (L) Smooth (L) Rate (L/d) Status Decision Speed Health Analysis Log
21/03/2026 12:25:32 387.21 387.21 - Valid Immediate GOOD
• Smoothing: Window [387.21, 387.21, 381.43] -> Median: 387.21
• Usage Rate: No suitable anchor found in 28 days.
21/03/2026 14:26:07 381.43 387.21 - Valid Immediate FAIR
• Smoothing: Window [387.21, 381.43, 387.21] -> Median: 387.21
• Stability Filter: No change in volume.
• Usage Rate: No suitable anchor found in 28 days.
21/03/2026 17:26:07 387.21 387.21 - Valid Immediate GOOD
• Smoothing: Window [381.43, 387.21, 381.43] -> Median: 381.43
• Stability Filter: Median artifact detected. Rescued Raw Value (387.2L).
• Usage Rate: No suitable anchor found in 28 days.
22/03/2026 01:26:07 381.43 387.21 - Valid Immediate FAIR
• Smoothing: Window [387.21, 381.43, 387.21] -> Median: 387.21
• Stability Filter: No change in volume.
• Usage Rate: No suitable anchor found in 28 days.
22/03/2026 08:26:07 387.21 381.43 - Valid Immediate FAIR
• Smoothing: Window [381.43, 387.21, 381.43] -> Median: 381.43
• Stability Filter: Accepted drop. Future confirms drop (No rebound).
• Usage Rate: No suitable anchor found in 28 days.
22/03/2026 10:26:07 381.43 381.43 - Valid Immediate GOOD
• Smoothing: Window [387.21, 381.43, 381.43] -> Median: 381.43
• Stability Filter: No change in volume.
• Usage Rate: No suitable anchor found in 28 days.
23/03/2026 01:26:07 381.43 381.43 - Valid Immediate GOOD
• Smoothing: Window [381.43, 381.43, 387.21] -> Median: 381.43
• Stability Filter: No change in volume.
• Usage Rate: No suitable anchor found in 28 days.
23/03/2026 06:26:07 387.21 381.43 - Valid Immediate FAIR
• Smoothing: Window [381.43, 387.21, 370.00] -> Median: 381.43
• Stability Filter: No change in volume.
• Usage Rate: No suitable anchor found in 28 days.
23/03/2026 10:26:07 370.00 370.00 - Valid Immediate GOOD
• Smoothing: Window [387.21, 370.00, 370.00] -> Median: 370.00
• Stability Filter: Accepted drop. Future confirms drop (No rebound).
• Usage Rate: No suitable anchor found in 28 days.
23/03/2026 12:26:07 370.00 370.00 - Valid Immediate GOOD
• Smoothing: Window [370.00, 370.00, 370.00] -> Median: 370.00
• Stability Filter: No change in volume.
• Usage Rate: No suitable anchor found in 28 days.
23/03/2026 23:26:07 370.00 370.00 - Valid Immediate GOOD
• Smoothing: Window [370.00, 370.00, 370.00] -> Median: 370.00
• Stability Filter: No change in volume.
• Usage Rate: No suitable anchor found in 28 days.
24/03/2026 05:26:07 370.00 370.00 7.9 Valid Immediate GOOD
• Smoothing: Window [370.00, 370.00, 364.22] -> Median: 370.00
• Stability Filter: No change in volume.
• Usage Rate: 7.9 L/d (Window: 2.2 days, Lookback: 14d, Anchor: 2026-03-22 01:26:07)
24/03/2026 07:26:07 364.22 370.00 7.6 Valid Immediate FAIR
• Smoothing: Window [370.00, 364.22, 370.00] -> Median: 370.00
• Stability Filter: No change in volume.
• Usage Rate: 7.6 L/d (Window: 2.3 days, Lookback: 14d, Anchor: 2026-03-22 01:26:07)
25/03/2026 01:26:07 370.00 364.22 7.7 Valid Immediate FAIR
• Smoothing: Window [364.22, 370.00, 364.22] -> Median: 364.22
• Stability Filter: Accepted drop. Future confirms drop (No rebound).
• Usage Rate: 7.7 L/d (Window: 3.0 days, Lookback: 14d, Anchor: 2026-03-22 01:26:07)
25/03/2026 08:26:07 364.22 364.22 7.0 Valid Immediate GOOD
• Smoothing: Window [370.00, 364.22, 364.22] -> Median: 364.22
• Stability Filter: No change in volume.
• Usage Rate: 7.0 L/d (Window: 3.3 days, Lookback: 14d, Anchor: 2026-03-22 01:26:07)
25/03/2026 17:26:07 364.22 364.22 6.3 Valid Immediate GOOD
• Smoothing: Window [364.22, 364.22, 364.22] -> Median: 364.22
• Stability Filter: No change in volume.
• Usage Rate: 6.3 L/d (Window: 3.7 days, Lookback: 14d, Anchor: 2026-03-22 01:26:07)
25/03/2026 23:26:07 364.22 364.22 5.9 Valid Immediate GOOD
• Smoothing: Window [364.22, 364.22, 352.67] -> Median: 364.22
• Stability Filter: No change in volume.
• Usage Rate: 5.9 L/d (Window: 3.9 days, Lookback: 14d, Anchor: 2026-03-22 01:26:07)
26/03/2026 11:26:07 352.67 352.67 7.8 Valid Immediate GOOD
• Smoothing: Window [364.22, 352.67, 352.67] -> Median: 352.67
• Stability Filter: Accepted drop. Future confirms drop (No rebound).
• Usage Rate: 7.8 L/d (Window: 4.4 days, Lookback: 14d, Anchor: 2026-03-22 01:26:07)
26/03/2026 17:26:07 352.67 352.67 7.4 Valid Immediate GOOD
• Smoothing: Window [352.67, 352.67, 358.44] -> Median: 352.67
• Stability Filter: No change in volume.
• Usage Rate: 7.4 L/d (Window: 4.7 days, Lookback: 14d, Anchor: 2026-03-22 01:26:07)
27/03/2026 01:26:07 358.44 352.67 6.9 Valid Immediate FAIR
• Smoothing: Window [352.67, 358.44, 352.67] -> Median: 352.67
• Stability Filter: No change in volume.
• Usage Rate: 6.9 L/d (Window: 5.0 days, Lookback: 14d, Anchor: 2026-03-22 01:26:07)
27/03/2026 08:26:07 352.67 352.67 6.5 Valid Immediate GOOD
• Smoothing: Window [358.44, 352.67, 352.67] -> Median: 352.67
• Stability Filter: No change in volume.
• Usage Rate: 6.5 L/d (Window: 5.3 days, Lookback: 14d, Anchor: 2026-03-22 01:26:07)
27/03/2026 23:26:07 352.67 352.67 5.8 Valid Immediate GOOD
• Smoothing: Window [352.67, 352.67, 340.57] -> Median: 352.67
• Stability Filter: No change in volume.
• Usage Rate: 5.8 L/d (Window: 5.9 days, Lookback: 14d, Anchor: 2026-03-22 01:26:07)
28/03/2026 11:26:07 340.57 340.57 7.3 Valid Immediate GOOD
• Smoothing: Window [352.67, 340.57, 340.57] -> Median: 340.57
• Stability Filter: Accepted drop. Future confirms drop (No rebound).
• Usage Rate: 7.3 L/d (Window: 6.4 days, Lookback: 14d, Anchor: 2026-03-22 01:26:07)
28/03/2026 23:26:07 340.57 340.57 6.7 Valid Immediate GOOD
• Smoothing: Window [340.57, 340.57, 328.61] -> Median: 340.57
• Stability Filter: No change in volume.
• Usage Rate: 6.7 L/d (Window: 6.9 days, Lookback: 14d, Anchor: 2026-03-22 01:26:07)
29/03/2026 15:26:07 328.61 334.66 6.9 Threshold Alert Immediate FAIR
• Smoothing: Window [340.57, 328.61, 334.66] -> Median: 334.66
• Stability Filter: Accepted drop. Future confirms drop (No rebound).
• Event: Tank Level below 25% (334.656L < 336L).
• Usage Rate: 6.9 L/d (Window: 7.6 days, Lookback: 14d, Anchor: 2026-03-22 01:26:07)
29/03/2026 21:26:07 334.66 334.66 6.7 Valid Immediate GOOD
• Smoothing: Window [328.61, 334.66, 334.66] -> Median: 334.66
• Stability Filter: No change in volume.
• Usage Rate: 6.7 L/d (Window: 7.8 days, Lookback: 14d, Anchor: 2026-03-22 01:26:07)
30/03/2026 05:26:07 334.66 334.66 6.4 Valid Immediate GOOD
• Smoothing: Window [334.66, 334.66, 334.66] -> Median: 334.66
• Stability Filter: No change in volume.
• Usage Rate: 6.4 L/d (Window: 8.2 days, Lookback: 14d, Anchor: 2026-03-22 01:26:07)
30/03/2026 17:26:07 334.66 334.66 6.1 Valid Immediate GOOD
• Smoothing: Window [334.66, 334.66, 322.56] -> Median: 334.66
• Stability Filter: No change in volume.
• Usage Rate: 6.1 L/d (Window: 8.7 days, Lookback: 14d, Anchor: 2026-03-22 01:26:07)
01/04/2026 01:26:07 322.56 322.56 6.5 Valid Immediate GOOD
• Smoothing: Window [334.66, 322.56, 310.60] -> Median: 322.56
• Stability Filter: Accepted drop. Future confirms drop (No rebound).
• Usage Rate: 6.5 L/d (Window: 10.0 days, Lookback: 14d, Anchor: 2026-03-22 01:26:07)
02/04/2026 01:26:07 310.60 310.60 7.0 Valid Immediate GOOD
• Smoothing: Window [322.56, 310.60, 298.64] -> Median: 310.60
• Stability Filter: Accepted drop. Future confirms drop (No rebound).
• Usage Rate: 7.0 L/d (Window: 11.0 days, Lookback: 14d, Anchor: 2026-03-22 01:26:07)
02/04/2026 06:26:07 298.64 304.55 7.4 Valid Immediate FAIR
• Smoothing: Window [310.60, 298.64, 304.55] -> Median: 304.55
• Stability Filter: Accepted drop. Future confirms drop (No rebound).
• Usage Rate: 7.4 L/d (Window: 11.2 days, Lookback: 14d, Anchor: 2026-03-22 01:26:07)
02/04/2026 10:26:07 304.55 304.55 7.3 Valid Immediate GOOD
• Smoothing: Window [298.64, 304.55, 304.55] -> Median: 304.55
• Stability Filter: No change in volume.
• Usage Rate: 7.3 L/d (Window: 11.4 days, Lookback: 14d, Anchor: 2026-03-22 01:26:07)
02/04/2026 17:26:07 304.55 304.55 7.1 Valid Immediate GOOD
• Smoothing: Window [304.55, 304.55, 304.55] -> Median: 304.55
• Stability Filter: No change in volume.
• Usage Rate: 7.1 L/d (Window: 11.7 days, Lookback: 14d, Anchor: 2026-03-22 01:26:07)
03/04/2026 03:26:07 304.55 304.55 6.8 Valid Immediate GOOD
• Smoothing: Window [304.55, 304.55, 280.63] -> Median: 304.55
• Stability Filter: No change in volume.
• Usage Rate: 6.8 L/d (Window: 12.1 days, Lookback: 14d, Anchor: 2026-03-22 01:26:07)
04/04/2026 23:26:07 280.63 280.63 7.7 Valid Immediate GOOD
• Smoothing: Window [304.55, 280.63, 280.63] -> Median: 280.63
• Stability Filter: Accepted drop. Future confirms drop (No rebound).
• Usage Rate: 7.7 L/d (Window: 13.9 days, Lookback: 14d, Anchor: 2026-03-22 01:26:07)
05/04/2026 23:26:07 280.63 280.63 7.4 Valid Immediate GOOD
• Smoothing: Window [280.63, 280.63, 280.63] -> Median: 280.63
• Stability Filter: No change in volume.
• Usage Rate: 7.4 L/d (Window: 13.7 days, Lookback: 14d, Anchor: 2026-03-23 06:26:07)