Storm Station
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At a river or reservoir gauge

DCP network, identified by the register

Identifier
204916156083701
Latitude
20.81436 N
Longitude
156.14298 W
Elevation
1,550 ft
Observed
8:15 AMHST, 1 hour ago
Precipitation in the gauge's latest reading
0in

Ranking Statistics

At a river or reservoir gauge

Drawn as the kind of place it stands at. 37 instruments in Hawaii stand at one.

Station charts

348.5 West Wailuaiki Rain Gage nr Keanae, Maui Report

Rank 129 of 384 in Hawaii, Oct 18. 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 score98.2of 100

Hawaii median
97.1the median score of 384 stations
Scoring higher
125stations in Hawaii
Sharing its score
12ranks 126 to 137
Points deducted
1.81.6 arrival, 0.2 accuracy
Counted at the median
Accuracy, instrument checks, forecast checknot measured at this station; Hawaii median 98.9, 100.0, 100.0
Next above
213215157552800rank 127; ahead on median arrival 17 min 49 s against 17 min 56 s
Next below
KIRH1rank 130; behind on median arrival 17 min 56 s against 18 min 6 s

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 35100.035.0 of 35 pointsHawaii median 99.4168 of 168 scheduled reports received in 7 days
  2. Arrivalweight 1084.18.4 of 10 pointsHawaii median 84.8half its reports arrived within 18 min
  3. Continuityweight 10100.010.0 of 10 pointsHawaii median 100.0longest silence 60 min, on a schedule of one report every 60 min
  4. Accuracyweight 20-19.8 of 20 points, at the medianHawaii median 98.9-
  5. Instrument checksweight 15-15.0 of 15 points, at the medianHawaii median 100.0-
  6. Forecast checkweight 10-10.0 of 10 points, at the medianHawaii median 100.0-

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
Schedule
every houron the hour's :15
Reports received, 24 hours
24 of 24100% of its schedule
Reports received, 7 days
168 of 168100% of its schedule
Days reported, 30 days
-
Longest silence, 7 days
68 minfrom Oct 18, 6:15 PM
Latest report
Oct 18, 6:15 PMlocal time
Time to reach Storm Station
18 min9 in 10 within 38 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 384 ranked stations in Hawaii on Oct 18 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, 0; 10 to 19 per cent, 1; 20 to 29 per cent, 6; 30 to 39 per cent, 4; 40 to 49 per cent, 8; 50 to 59 per cent, 16; 60 to 69 per cent, 13; 70 to 79 per cent, 22; 80 to 89 per cent, 29; 90 to 99 per cent, 158; 100 per cent, 127. 348.5 West Wailuaiki Rain Gage nr Keanae, Maui received 100.0 per cent, 168 of 168 scheduled reports, rank 129 of 384.WHERE IT RANKS IN HAWAII, Oct 18THIS ONE: 100.0%, 168 OF 168, RANK 129 OF 384PER CENT OF SCHEDULED REPORTS RECEIVEDIN STORM STATION'S OWN RECORD, UP TO 7 DAYS1101000 to 910 to 19120 to 29630 to 39440 to 49850 to 591660 to 691370 to 792280 to 892990 to 99158100127STATIONS, LOG SCALE
Chart of 348.5 West Wailuaiki Rain Gage nr Keanae, Maui's rank in Hawaii by how it reported, day by day, from 2026-10-07 to 2026-10-18: 2026-10-07 rank 345 of 372; 2026-10-08 rank 342 of 374; 2026-10-09 rank 320 of 376; 2026-10-10 rank 317 of 376; 2026-10-11 rank 297 of 385; 2026-10-12 rank 260 of 384; 2026-10-13 rank 100 of 382; 2026-10-14 rank 99 of 381; 2026-10-15 rank 114 of 380; 2026-10-16 rank 113 of 381; 2026-10-17 rank 136 of 384; 2026-10-18 rank 129 of 384.ITS RANK IN HAWAII, DAY BY DAYRANK, FIRST AT THE TOP1100200300400Oct 7Oct 9Oct 11Oct 13Oct 15Oct 17Oct 18
The ranking these charts were drawn from, as tables
Share of scheduled reports receivedStations
100%127
90 to 99%158
80 to 89%29
70 to 79%22
60 to 69%13
50 to 59%16
40 to 49%8
30 to 39%4
20 to 29%6
10 to 19%1
0 to 9%0
DayRankStations rankedShare received
Oct 18, 2026129384100.0%
Oct 17, 2026136384100.0%
Oct 16, 2026113381100.0%
Oct 15, 2026114380100.0%
Oct 14, 202699381100.0%
Oct 13, 2026100382100.0%
Oct 12, 202626038486.3%
Oct 11, 202629738572.0%
Oct 10, 202631737657.7%
Oct 9, 202632037657.1%
Oct 8, 202634237429.1%
Oct 7, 202634537214.8%

Station report

348.5 West Wailuaiki Rain Gage nr Keanae, Maui, in 3 sheets

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

1The column

Contents

At 1,550 ft above sea level, 5 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 28.28 inHg and the temperature at 53.5 F.

Section from sea level of where 348.5 West Wailuaiki Rain Gage nr Keanae, Maui stands in the atmosphere, height to scale: the station 1,550 feet above sea level with 5 per cent of the air below it; the standard atmosphere's pressure there, 28.28 inches of mercury, and temperature, 53.5 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 204916156083701FIG. D WHERE 348.5 WEST WAILUAIKI RAIN GAGE NR KEANAE, MAUI STANDS IN THE ATMOSPHERESECTION FROM SEA LEVEL, HEIGHT TO SCALE, THE STATION IN THE STANDARD ATMOSPHEREFT ABOVE SEA LEVEL05,00010,00015,000SEA LEVEL, 29.92 inHg IN THE STANDARD ATMOSPHERE348.5 WEST WAILUAIKI RAIN GAGE NR KEANAE, MAUI5 PER CENT OF THE AIR BELOW IT1,550 FT10 PER CENT OF THE AIR BELOW, 2,890 FT20 PER CENT OF THE AIR BELOW, 6,050 FT30 PER CENT OF THE AIR BELOW, 9,540 FT40 PER CENT OF THE AIR BELOW, 13,470 FTSTANDARD PRESSURE HERE28.28 inHgSTANDARD TEMPERATURE HERE53.5 FTITLE348.5 West Wailuaiki Rain Gage nr Keanae, Maui, the columnSTATION REPORT · DCP 204916156083701TYPESECTIONSCALEHEIGHT TO SCALEREVFROM THE REGISTER SHEET 1 of 3DATE2026-10-18IDSR-204916156083701-1DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

From the Field Book

2The sun

Contents

On Oct 18 the noon sun stands 59 degrees above the horizon at 20.81 N, and the day is 11 h 30 min long. Level ground there takes 86 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at 348.5 West Wailuaiki Rain Gage nr Keanae, Maui, angles true: on Oct 18 it stands 59 degrees above the horizon, against 87 at the June solstice, 69 at the equinoxes and 46 at the December solstice; the day is 11 h 30 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 204916156083701FIG. E THE SUN AT 348.5 WEST WAILUAIKI RAIN GAGE NR KEANAE, MAUIELEVATION 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 87°EQUINOXES 69°DECEMBER SOLSTICE 46°OCT 18, 59°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 30 MINLEVEL GROUND TAKES 86 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 20.81 N; THE SUN'S DECLINATION -9.9°TITLE348.5 West Wailuaiki Rain Gage nr Keanae, Maui, the sunSTATION REPORT · DCP 204916156083701TYPEELEVATIONSCALEANGLES TRUEREVFROM THE REGISTER SHEET 2 of 3DATE2026-10-18IDSR-204916156083701-2DRAWN AS linework on paperSOURCES FB-ENG-007

From the Field Book

3The instrument

Contents

A data collection platform, 1,550 ft above sea level. Its sensors, as its network builds them.

Elevation of a data collection platform, 348.5 West Wailuaiki Rain Gage nr Keanae, Maui, each sensor drawn and labelled with what it read: no reading in the last day.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 204916156083701FIG. 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 SCALETITLE348.5 West Wailuaiki Rain Gage nr Keanae, Maui, the instrumentSTATION REPORT · DCP 204916156083701TYPEELEVATIONSCALESCHEMATICREVFROM THE REGISTER SHEET 3 of 3DATE2026-10-18IDSR-204916156083701-3DRAWN AS linework on paperSOURCES FB-INS-001

From the Field Book

What this instrument measures for

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

Near 348.5 West Wailuaiki Rain Gage nr Keanae, Maui