Generated evidence · pending editorial review

Avondale: All categories · 12:00–18:00 — Pothole requests

All categories · 12:00–18:00

City source retrieved November 6, 2026 · scan evaluated November 9, 2026 · frequency change

Current dashboard records may have been revised. Analyze is a separate action there. Saved-for-review choices stay in this browser and do not endorse a result.

12-month frequency comparison

October 2024–September 2025
324
October 2025–September 2026
526
Change in monthly mean
+16.83

The two windows each contain 12 complete covered months. The magnitude of the change is 1.62-fold. These are published requests, not a population-adjusted rate. Fixed windows do not establish a breakpoint, remove all seasonal effects or prove a renewal explanation.

Saved observations and fitted phases

No clear change in celeration under this rule. This does not mean counts were constant.

Fixed six-log-cycle frame · 120 calendar months · factors per six months. Raw zeros stay zero; confirmed zeros become one only for log-space fitting and diagnostics. Missing coverage remains unavailable.

Monthly street potholes requests on a standard celeration chartCity of Chicago published records. Fixed six-decade count scale, 120 calendar months, celeration per 6 months. Zero markers are unconnected below the plot. Exact counts and coverage are available in the data table. Analyze: suggested. No clear change in celeration under this rule. This does not mean counts were constant. See the phase results table for dates, factors and uncertainty.1510501005001,0005,00010,00050,000100,000500,0001,000,000Requests per monthsuggested phase 1: 2019-01–2026-09Jan 2019: 4Feb 2019: 43Mar 2019: 59Apr 2019: 43May 2019: 51Jun 2019: 41Jul 2019: 49Aug 2019: 18Sep 2019: 26Oct 2019: 31Nov 2019: 27Dec 2019: 23Jan 2020: 41Feb 2020: 47Mar 2020: 29Apr 2020: 28May 2020: 19Jun 2020: 28Jul 2020: 13Aug 2020: 10Sep 2020: 10Oct 2020: 9Nov 2020: 4Dec 2020: 20Jan 2021: 37Feb 2021: 12Mar 2021: 48Apr 2021: 25May 2021: 18Jun 2021: 5Jul 2021: 18Aug 2021: 8Sep 2021: 24Oct 2021: 10Nov 2021: 6Dec 2021: 5Jan 2022: 17Feb 2022: 48Mar 2022: 84Apr 2022: 111May 2022: 39Jun 2022: 25Jul 2022: 26Aug 2022: 19Sep 2022: 11Oct 2022: 21Nov 2022: 18Dec 2022: 35Jan 2023: 36Feb 2023: 35Mar 2023: 31Apr 2023: 39May 2023: 25Jun 2023: 36Jul 2023: 11Aug 2023: 20Sep 2023: 9Oct 2023: 13Nov 2023: 8Dec 2023: 16Jan 2024: 29Feb 2024: 22Mar 2024: 32Apr 2024: 29May 2024: 16Jun 2024: 35Jul 2024: 16Aug 2024: 20Sep 2024: 17Oct 2024: 18Nov 2024: 35Dec 2024: 11Jan 2025: 43Feb 2025: 42Mar 2025: 34Apr 2025: 24May 2025: 35Jun 2025: 33Jul 2025: 17Aug 2025: 23Sep 2025: 9Oct 2025: 6Nov 2025: 4Dec 2025: 16Jan 2026: 64Feb 2026: 59Mar 2026: 68Apr 2026: 88May 2026: 50Jun 2026: 40Jul 2026: 45Aug 2026: 61Sep 2026: 25ZeroUnknown?Oct 2016: missing?Nov 2016: missing?Dec 2016: missing?Jan 2017: missing?Feb 2017: missing?Mar 2017: missing?Apr 2017: missing?May 2017: missing?Jun 2017: missing?Jul 2017: missing?Aug 2017: missing?Sep 2017: missing?Oct 2017: missing?Nov 2017: missing?Dec 2017: missing?Jan 2018: missing?Feb 2018: missing?Mar 2018: missing?Apr 2018: missing?May 2018: missing?Jun 2018: missing?Jul 2018: missing?Aug 2018: missing?Sep 2018: missing?Oct 2018: missing?Nov 2018: missing?Dec 2018: missingOct 2016Oct 2017Oct 2018Oct 2019Oct 2020Oct 2021Oct 2022Oct 2023Oct 2024Oct 2025Oct 2026Calendar months

Suggested trend · exploratory · per six months

  1. 1 · Jan 2019–Sep 2026×1.02Direction uncertain (serial pattern)

Check the evidence

Interpretation and limitations (12)
  • Exploratory description, not a forecast, causal explanation or proof of a change.
  • Approximate 95% factor intervals assume independent, constant-variance log residuals and fixed boundaries. They do not account for boundary search, serial dependence or source revisions.
  • Confirmed zeros are treated as 1 only for fitting and its diagnostics. Raw counts stay zero; low-count results depend on this convention.
  • Independent phase lines may jump at boundaries. Every observation belongs to exactly one phase.
  • Reporting, classifications and seasonality can change. Counts are not population-adjusted; a level shift without a slope change is not the target of this search.
  • Uses dated last-good cached data, not newly verified source counts.
  • Serial pattern in residuals: independence is doubtful; the reported intervals may be too narrow. Seasonality is not modeled.
  • At least one factor interval includes 1; its direction is uncertain under this approximation.
  • 311 status is its value at retrieval, not at request creation. Newer cohorts have had less time to close; Open/Canceled comparisons can reflect workflow or cohort age rather than changing request volume.
  • Current-system 311 coverage starts in 2019. Early phases may reflect adoption/reporting ramp-up; request counts are not completed work or incident prevalence.
  • Many dependent filter conditions were searched. No multiple-testing-adjusted significance or causal attribution is claimed.
  • Frequency compares fixed equal-length windows of raw counts, not population risk or a celeration-factor ratio. Reporting, classifications and exposure may have changed.
Phase diagnostics

Intervals assume fixed boundaries and independent log residuals. They are not adjusted for the phase or filter search. Near-optimal boundary ranges are not confidence intervals.

Saved phase results
PhaseStart–endMonthsFactor / six monthsConditional 95% intervalZeros fitted as 1Lag-one residual
1January 2019–September 202693×1.020.9813–1.05100.509
Exact monthly observations (120 slots)

Newest first. Unknown coverage is not a zero. These are the original saved observations, not fitted or rounded predictions.

Raw monthly requests
MonthRaw countCoverage
September 202625complete
August 202661complete
July 202645complete
June 202640complete
May 202650complete
April 202688complete
March 202668complete
February 202659complete
January 202664complete
December 202516complete
November 20254complete
October 20256complete
September 20259complete
August 202523complete
July 202517complete
June 202533complete
May 202535complete
April 202524complete
March 202534complete
February 202542complete
January 202543complete
December 202411complete
November 202435complete
October 202418complete
September 202417complete
August 202420complete
July 202416complete
June 202435complete
May 202416complete
April 202429complete
March 202432complete
February 202422complete
January 202429complete
December 202316complete
November 20238complete
October 202313complete
September 20239complete
August 202320complete
July 202311complete
June 202336complete
May 202325complete
April 202339complete
March 202331complete
February 202335complete
January 202336complete
December 202235complete
November 202218complete
October 202221complete
September 202211complete
August 202219complete
July 202226complete
June 202225complete
May 202239complete
April 2022111complete
March 202284complete
February 202248complete
January 202217complete
December 20215complete
November 20216complete
October 202110complete
September 202124complete
August 20218complete
July 202118complete
June 20215complete
May 202118complete
April 202125complete
March 202148complete
February 202112complete
January 202137complete
December 202020complete
November 20204complete
October 20209complete
September 202010complete
August 202010complete
July 202013complete
June 202028complete
May 202019complete
April 202028complete
March 202029complete
February 202047complete
January 202041complete
December 201923complete
November 201927complete
October 201931complete
September 201926complete
August 201918complete
July 201949complete
June 201941complete
May 201951complete
April 201943complete
March 201959complete
February 201943complete
January 20194complete
December 2018Unavailablemissing
November 2018Unavailablemissing
October 2018Unavailablemissing
September 2018Unavailablemissing
August 2018Unavailablemissing
July 2018Unavailablemissing
June 2018Unavailablemissing
May 2018Unavailablemissing
April 2018Unavailablemissing
March 2018Unavailablemissing
February 2018Unavailablemissing
January 2018Unavailablemissing
December 2017Unavailablemissing
November 2017Unavailablemissing
October 2017Unavailablemissing
September 2017Unavailablemissing
August 2017Unavailablemissing
July 2017Unavailablemissing
June 2017Unavailablemissing
May 2017Unavailablemissing
April 2017Unavailablemissing
March 2017Unavailablemissing
February 2017Unavailablemissing
January 2017Unavailablemissing
December 2016Unavailablemissing
November 2016Unavailablemissing
October 2016Unavailablemissing
Source and reproducibility
Publisher dataset
311 Service Requests · City of Chicago
Source retrieved
2026-11-06T17:28:32.885Z
Publisher update
2026-11-06T15:33:29.000Z
Covered months
January 2019–September 2026
Source note
Source v6vf-nfxy. Joint day/category/hour/applicable-flag/ward/status counts; no addresses, coordinates or incident identifiers. Each year's cells reconcile with an independent source total. Reads are not an atomic publisher snapshot. Current 311 system only, legacy_record=false; includes duplicate requests, not completed work. Status is as currently published, grouped by creation date—not historical status or completion date. Prepared daily community-area snapshot; scheduled rebuild at 06:00 America/Chicago. Full supported history is rechecked for corrections. Retrieval timestamps are preserved; this is not a real-time feed. Local indexed neighborhood snapshot. Totals are for the loaded area before other filters, not citywide totals. Citywide and unassigned-area views use a separate network-backed scope.
Snapshot
daily-v1:8c35ac8d-21c1-45e9-8c56-8bf32f3df7b0:neighborhood-v2:5683aa608492fce055c266d8795fa030
Discovery method
multi-feed-turn-and-frequency-renewal-v2
Analyze method
exploratory-segmented-log10-ols-zero-as-one-v3
Search plan
a3ffccedeb8d8ce18a30df3636839f775af1e5188e55a1f685695133135c6e35
Evidence run
52d7d5902d4c6ebbf4d78f2cc91345dd57d4fa6a1723314970de4c385f1fdaeb

Challenge the pattern

Check unfiltered totals, comparable communities, source revisions and administrative definitions before treating this candidate as evidence of a real-world explanation. Only explicitly documented follow-ups above have been performed; no others are implied by the ranking. Browse the other pothole requests candidates or review the complete screening method.