Metric migration / PD-01
PD-01 Median Priority 1 police response time
Owner: Police. Unit: minutes. Reconciliation tolerance: 0.1. Target: 6.5 (lower is better).
Written definition
- Source
- CAD incident summaries (no criminal justice information)
- Calculation
- Median minutes from call received to first unit on scene for Priority 1 police calls received in the month.
- Inclusions
- Agency SLPD, priority 1.
- Exclusions
- Calls cancelled before arrival; records where on scene precedes dispatch (clock sync errors, quarantined).
- Time frame
- Calendar month of call received.
- Definition status
- Accepted Office of Data and Innovation, 11/05/2026
As held in the legacy performance database (PerfDB)
- Name
- Median Priority 1 police response time
- Note
- Median minutes from call received to first unit on scene for Priority 1 police calls received in the month.
- Script
perf_pd_01.sql
CDR value against PerfDB
Calculation as run by the CDR
select date_trunc('month', received_at)::date as month, percentile_cont(0.5) within group (order by response_minutes) as value from curated.fact_cad_incident where agency = 'SLPD' and priority = 1 and response_minutes is not null group by 1
Reproduce now from the curated layer Runs the SQL above against the current curated tables, read only.
Reproduced 13 months in 5 ms from the curated layer; 13 of 13 match the values stored by the latest run.
| Oct 2025 | Nov 2025 | Dec 2025 | Jan 2026 | Feb 2026 | Mar 2026 | Apr 2026 | May 2026 | Jun 2026 | Jul 2026 | Aug 2026 | Sep 2026 | Oct 2026 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 6.17 | 6.61 | 6.14 | 6.34 | 6.53 | 6.39 | 6.23 | 6.26 | 6.39 | 6.37 | 6.33 | 6.18 | 6.28 |
Monthly reconciliation, latest run
| Month | PerfDB | CDR | Difference | Result |
|---|---|---|---|---|
| Oct 2025 | 6.2 | 6.170 | -0.030 | Within tolerance |
| Nov 2025 | 6.6 | 6.610 | 0.010 | Within tolerance |
| Dec 2025 | 6.1 | 6.140 | 0.040 | Within tolerance |
| Jan 2026 | 6.3 | 6.340 | 0.040 | Within tolerance |
| Feb 2026 | 6.5 | 6.525 | 0.025 | Within tolerance |
| Mar 2026 | 6.4 | 6.395 | -0.005 | Within tolerance |
| Apr 2026 | 6.2 | 6.230 | 0.030 | Within tolerance |
| May 2026 | 6.3 | 6.260 | -0.040 | Within tolerance |
| Jun 2026 | 6.4 | 6.390 | -0.010 | Within tolerance |
| Jul 2026 | 6.4 | 6.370 | -0.030 | Within tolerance |
| Aug 2026 | 6.3 | 6.335 | 0.035 | Within tolerance |
| Sep 2026 | 6.2 | 6.175 | -0.025 | Within tolerance |
| Oct 2026 | 6.3 | 6.275 | -0.025 | Within tolerance |
Reconciliation history
| Run | Result | Months |
|---|---|---|
| L-20261101-0100 | Within tolerance | 13 |
| R-20261102-0200 | Within tolerance | 13 |
| R-20261103-0200 | Within tolerance | 13 |
| R-20261104-0200 | Within tolerance | 13 |
| R-20261105-0200 | Within tolerance | 13 |
| R-20261106-0200 | Within tolerance | 13 |
| R-20261107-0200 | Within tolerance | 13 |
| R-20261108-0200 | Within tolerance | 13 |
| R-20261109-0200 | Within tolerance | 13 |
| R-20261110-0200 | Within tolerance | 13 |
| R-20261111-0200 | Within tolerance | 13 |
Data as of run R-20261111-0200, finished 11/11/2026 02:13 Central. Curated layer: curated schema.