Storm Station
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At a river or reservoir gauge

DCP network, identified by the register

Identifier
414613088091000
Latitude
41.77031 N
Longitude
88.15284 W
Elevation
-
Rank
522of 1,419 in Illinois, Oct 17
Observed
7:15 PMCDT, 2 hours ago
Precipitation in the gauge's latest reading
0in

Ranking Statistics

On the radar over Naperville Municipal Building At NapervilleReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

At a river or reservoir gauge

Drawn as the kind of place it stands at. 137 instruments in Illinois stand at one.

Station charts

Naperville Municipal Building At Naperville Report

Rank 522 of 1,419 in Illinois, Oct 17. The 247 rank orders a state's stations by their 247 score out of 100: how reliably they report, how accurate their readings are against a reference station, how their readings pass their checks, and how they stand against the forecast.

Ranking Statistics

247 score97.6of 100

Illinois median
95.9the median score of 1,419 stations
Scoring higher
519stations in Illinois
Sharing its score
14ranks 520 to 533
Points deducted
2.41.6 arrival, 0.6 forecast check, 0.2 reports received
Counted at the median
Accuracy, instrument checks, forecast checknot measured at this station; Illinois median 100.0, 100.0, 94.3
Next above
IL-FL-9rank 521; ahead on reports received 100% against 99.4%
Next below
GRFI2rank 525; behind on reports received 99.4% against 98.8%
Sharing its rank
2other stations, equal on every measure

Equal scores are ordered by the share of scheduled reports received, then the reports due in the week (the longer record first), then the median arrival, then the longest silence.

  1. Reports receivedweight 3599.434.8 of 35 pointsIllinois median 99.1167 of 168 scheduled reports received in 7 days
  2. Arrivalweight 1084.18.4 of 10 pointsIllinois median 99.8half its reports arrived within 18 min
  3. Continuityweight 10100.010.0 of 10 pointsIllinois median 100.0longest silence 2 h, on a schedule of one report every 60 min
  4. Accuracyweight 20-20.0 of 20 points, at the medianIllinois median 100.0-
  5. Instrument checksweight 15-15.0 of 15 points, at the medianIllinois median 100.0-
  6. Forecast checkweight 10-9.4 of 10 points, at the medianIllinois median 94.3-

The score is the weighted mean of its six parts, from the last 7 days. How a station is ranked sets out each part.

How each part is scored
Reports received
Full marks for every scheduled report received, none for none, in proportion between
Arrival
Full marks for a median arrival within 10 min, none at 60 min
Continuity
Full marks for a longest silence of 3 reports or less (3 h), none for 72 (72 h)
Accuracy
Full marks within 1.5 °F of its reference, typically, none beyond 8.0 °F
Instrument checks
Full marks for no reading failed, none for 5 per cent or more
Forecast check
Full marks within 2 °F of the forecast on average, none at 8 °F
Rank
522of 1,419 in Illinois, Oct 17
Schedule
every houron the hour's :15
Reports received, 24 hours
23 of 2495.8% of its schedule
Reports received, 7 days
167 of 16899.4% of its schedule
Days reported, 30 days
-
Longest silence, 7 days
2 hoursfrom Oct 16, 6:15 PM
Latest report
Oct 17, 12:15 AMlocal time
Time to reach Storm Station
18 min9 in 10 within 18 min

From Storm Station's own record of every report it heard from this station.

Its schedule is one report every hour, 24 in 24 hours. Two reports in the same hour count as one received.

Chart of the 1,419 ranked stations in Illinois on Oct 17 by the share of their scheduled reports received in Storm Station's own record, up to 7 days, in tenths: 0 to 9 per cent, 1; 10 to 19 per cent, 30; 20 to 29 per cent, 8; 30 to 39 per cent, 4; 40 to 49 per cent, 76; 50 to 59 per cent, 151; 60 to 69 per cent, 39; 70 to 79 per cent, 102; 80 to 89 per cent, 132; 90 to 99 per cent, 322; 100 per cent, 554. Naperville Municipal Building At Naperville received 99.4 per cent, 167 of 168 scheduled reports, rank 522 of 1,419.WHERE IT RANKS IN ILLINOIS, Oct 17THIS ONE: 99.4%, 167 OF 168, RANK 522 OF 1,419PER CENT OF SCHEDULED REPORTS RECEIVEDIN STORM STATION'S OWN RECORD, UP TO 7 DAYS1101000 to 9110 to 193020 to 29830 to 39440 to 497650 to 5915160 to 693970 to 7910280 to 8913290 to 99322100554STATIONS, LOG SCALE
Chart of Naperville Municipal Building At Naperville's rank in Illinois by how it reported, day by day, from 2026-10-07 to 2026-10-17: 2026-10-07 rank 1,369 of 1,449; 2026-10-08 rank 1,308 of 1,399; 2026-10-09 rank 1,058 of 1,364; 2026-10-10 rank 1,051 of 1,364; 2026-10-11 rank 964 of 1,359; 2026-10-12 rank 816 of 1,354; 2026-10-13 rank 455 of 1,360; 2026-10-14 rank 409 of 1,356; 2026-10-15 rank 477 of 1,375; 2026-10-16 rank 460 of 1,393; 2026-10-17 rank 522 of 1,419.ITS RANK IN ILLINOIS, DAY BY DAYRANK, FIRST AT THE TOP15001,0001,500Oct 7Oct 9Oct 11Oct 13Oct 15Oct 17
The ranking these charts were drawn from, as tables
Share of scheduled reports receivedStations
100%554
90 to 99%322
80 to 89%132
70 to 79%102
60 to 69%39
50 to 59%151
40 to 49%76
30 to 39%4
20 to 29%8
10 to 19%30
0 to 9%1
DayRankStations rankedShare received
Oct 17, 20265221,41999.4%
Oct 16, 20264601,393100.0%
Oct 15, 20264771,375100.0%
Oct 14, 20264091,356100.0%
Oct 13, 20264551,36099.4%
Oct 12, 20268161,35485.7%
Oct 11, 20269641,35971.4%
Oct 10, 20261,0511,36457.1%
Oct 9, 20261,0581,36456.5%
Oct 8, 20261,3081,39928.5%
Oct 7, 20261,3691,44914.2%

Station report

Naperville Municipal Building At Naperville, in 2 sheets

Drawn from the register, in the manner of the Field Book, and opened beside the plates that explain each part of it.

1The sun

Contents

On Oct 17 the noon sun stands 39 degrees above the horizon at 41.77 N, and the day is 10 h 52 min long. Level ground there takes 63 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Naperville Municipal Building At Naperville, angles true: on Oct 17 it stands 39 degrees above the horizon, against 72 at the June solstice, 48 at the equinoxes and 25 at the December solstice; the day is 10 h 52 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 414613088091000FIG. E THE SUN AT NAPERVILLE MUNICIPAL BUILDING AT NAPERVILLEELEVATION LOOKING WEST, SOUTH TO THE LEFT: THE NOON SUN ON THE DAY OF THE REPORT, AND AT THE SOLSTICES AND EQUINOXES; ANGLES TRUETHE STATIONJUNE SOLSTICE 72°EQUINOXES 48°DECEMBER SOLSTICE 25°OCT 17, 39°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 10 H 52 MINLEVEL GROUND TAKES 63 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 41.77 N; THE SUN'S DECLINATION -9.4°TITLENaperville Municipal Building At Naperville, the sunSTATION REPORT · DCP 414613088091000TYPEELEVATIONSCALEANGLES TRUEREVFROM THE REGISTER SHEET 1 of 2DATE2026-10-17IDSR-414613088091000-1DRAWN AS linework on paperSOURCES FB-ENG-007

From the Field Book

2The instrument

Contents

A data collection platform. Its sensors, as its network builds them.

Elevation of a data collection platform, Naperville Municipal Building At Naperville, each sensor drawn and labelled with what it read: no reading in the last day.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 414613088091000FIG. F THE INSTRUMENTELEVATION OF A DATA COLLECTION PLATFORM, EACH SENSOR WITH WHAT IT READANTENNA, SENDING BY SATELLITE-AIR TEMPERATURE-PRECIPITATION GAUGE-SCHEMATIC; THE SPACING BETWEEN SENSORS IS NOT TO SCALETITLENaperville Municipal Building At Naperville, the instrumentSTATION REPORT · DCP 414613088091000TYPEELEVATIONSCALESCHEMATICREVFROM THE REGISTER SHEET 2 of 2DATE2026-10-17IDSR-414613088091000-2DRAWN AS linework on paperSOURCES FB-INS-001

From the Field Book

The instrumentWhat an instrument is FB-INS-001

What it seesMoon and tides FB-CLK-003Hurricane FB-EVT-043Nor'easter FB-EVT-066Flash flood FB-EVT-100River flood FB-EVT-102Coastal flood FB-EVT-105

What this instrument measures for

1 place reads it as one of the nearest to it.

Near Naperville Municipal Building At Naperville

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