Storm Station
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At a cooperative observer's station

COOP network, identified by the register

Identifier
JNCP4
Latitude
18.22640 N
Longitude
65.91140 W
Elevation
213 ft
Rank
10of 243 in Puerto Rico, Oct 16
Observed
5:00 AMAST, 22 hours ago
Air temperature
75F
High so far today
92F
Low so far today
73F
Precipitation today
0in

Ranking Statistics

On the radar over JuncosReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

At a cooperative observer's station

Drawn as the kind of place it stands at. 29 instruments in Puerto Rico stand at one.

Station charts

Juncos Report

Rank 10 of 243 in Puerto Rico, Oct 16. 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 score100.0of 100

Puerto Rico median
97.5the median score of 243 stations
Scoring higher
0stations in Puerto Rico
Sharing its score
25ranks 1 to 25
Points deducted
0.0of 100
Counted at the median
Accuracy, instrument checks, forecast checknot measured at this station; Puerto Rico median 100.0, 100.0, 100.0
Next above
VRBP4rank 9; ahead on median arrival 40 min 59 s against 50 min 37 s
Next below
PR-SJ-18rank 11; behind on median arrival 50 min 37 s against 85 min 36 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 pointsPuerto Rico median 99.14 of 4 scheduled reports received in 7 days
  2. Arrivalweight 10100.010.0 of 10 pointsPuerto Rico median 84.7half its reports arrived within 51 min
  3. Continuityweight 10100.010.0 of 10 pointsPuerto Rico median 100.0longest silence 24 h, on a schedule of one report every 24 h
  4. Accuracyweight 20-20.0 of 20 points, at the medianPuerto Rico median 100.0-
  5. Instrument checksweight 15-15.0 of 15 points, at the medianPuerto Rico median 100.0-
  6. Forecast checkweight 10-10.0 of 10 points, at the medianPuerto Rico 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 2.4 h, none at 24 h
Continuity
Full marks for a longest silence of 3 reports or less (72 h), none for 72 (1728 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
10of 243 in Puerto Rico, Oct 16
Reports received, 7 days
7
Days reported, 30 days
29 of 30
Longest silence, 7 days
24 hoursfrom Oct 9, 5:00 AM
Latest report
Oct 15, 5:00 AMlocal time
Time to reach Storm Station
51 min

The reports received are counted from the network's own archive of this station's reports. Its 247 rank is counted from Storm Station's own record, which holds less than 7 days of it so far: 4 of 4 scheduled reports received, 100%.

Chart of the 243 ranked stations in Puerto Rico on Oct 16 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, 0; 20 to 29 per cent, 1; 30 to 39 per cent, 0; 40 to 49 per cent, 0; 50 to 59 per cent, 10; 60 to 69 per cent, 0; 70 to 79 per cent, 14; 80 to 89 per cent, 3; 90 to 99 per cent, 115; 100 per cent, 100. Juncos received 100.0 per cent, 4 of 4 scheduled reports, rank 10 of 243.WHERE IT RANKS IN PUERTO RICO, Oct 16THIS ONE: 100.0%, 4 OF 4, RANK 10 OF 243PER CENT OF SCHEDULED REPORTS RECEIVEDIN STORM STATION'S OWN RECORD, UP TO 7 DAYS1101000 to 910 to 1920 to 29130 to 3940 to 4950 to 591060 to 6970 to 791480 to 89390 to 99115100100STATIONS, LOG SCALE
Chart of Juncos's rank in Puerto Rico by how it reported, day by day, from 2026-10-14 to 2026-10-16: 2026-10-14 rank 20 of 233; 2026-10-15 rank 10 of 236; 2026-10-16 rank 10 of 243.ITS RANK IN PUERTO RICO, DAY BY DAYRANK, FIRST AT THE TOP15101520Oct 14Oct 15Oct 16
The ranking these charts were drawn from, as tables
Share of scheduled reports receivedStations
100%100
90 to 99%115
80 to 89%3
70 to 79%14
60 to 69%0
50 to 59%10
40 to 49%0
30 to 39%0
20 to 29%1
10 to 19%0
0 to 9%0
DayRankStations rankedShare received
Oct 16, 202610243100.0%
Oct 15, 202610236100.0%
Oct 14, 202620233100.0%
Reports received at Juncos, reports from 0.0 to 1.0, the latest 0.0, in reports.REPORTS RECEIVEDreports00.250.50.7516 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM
The readings these charts were drawn from, as a table
HourTemperature FReports
Thu 15, 5 AM80.01
Temperature at Juncos, temperature from 78.0 to 80.0, the latest 80.0, in degrees Fahrenheit.TEMPERATUREF7878.57979.580Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15Fri 16
Reports received at Juncos, reports from 0.0 to 1.0, the latest 0.0, in reports.REPORTS RECEIVEDreports00.250.50.751Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15Fri 16
The readings these charts were drawn from, as a table
HourTemperature FReports
Thu 15, 5 AM80.01
Wed 14, 5 AM79.31
Tue 13, 5 AM79.01
Mon 12, 5 AM78.01
Sun 11, 5 AM78.71
Sat 10, 5 AM79.71
Fri 9, 5 AM79.31
High and Low at Juncos, high from 89.0 to 93.0, the latest 92.0; low from 72.0 to 75.0, the latest 73.0, in degrees Fahrenheit.HIGH AND LOWF708090100Sep 17Sep 22Sep 27Oct 2Oct 7Oct 12HIGHLOW
Precipitation at Juncos, precipitation from 0.00 to 2.32, the latest 0.00, in inches.PRECIPITATIONin0.001.002.003.00Sep 17Sep 22Sep 27Oct 2Oct 7Oct 12
The readings these charts were drawn from, as a table
DayHigh FLow FPrecipitation in
Oct 1592.073.00.00
Oct 1490.074.00.00
Oct 1390.072.00.00
Oct 1290.072.00.65
Oct 1190.073.00.57
Oct 1091.074.00.16
Oct 990.073.00.03
Oct 892.073.00.14
Oct 792.074.00.42
Oct 691.074.00.01
Oct 590.073.00.00
Oct 490.073.00.03
Oct 390.073.00.00
Oct 292.073.01.05
Oct 192.074.00.27
Sep 3093.074.00.02
Sep 2992.074.00.00
Sep 2893.074.00.00
Sep 2792.074.00.00
Sep 2692.074.00.01
Sep 2590.075.00.00
Sep 2492.075.00.07
Sep 2390.075.00.01
Sep 2292.074.00.05
Sep 2191.074.00.00
Sep 2090.074.00.00
Sep 1990.075.00.00
Sep 1889.075.00.54
Sep 1791.074.02.32

Station report

Juncos, in 3 sheets

Drawn from its report of Oct 15, 2026, 5:00 AM local time, in the manner of the Field Book, and opened beside the plates that explain each part of it.

1The column

Contents

At 213 ft above sea level, 1 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.69 inHg and the temperature at 58.2 F; it reports 75.0 F, 16.8 F warmer than standard.

Section from sea level of where Juncos stands in the atmosphere, height to scale: the station 213 feet above sea level with 1 per cent of the air below it; the standard atmosphere's pressure there, 29.69 inches of mercury, and temperature, 58.2 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT JNCP4FIG. D WHERE JUNCOS 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 ATMOSPHEREJUNCOS1 PER CENT OF THE AIR BELOW IT213 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 HERE29.69 inHgSTANDARD TEMPERATURE HERE58.2 FTEMPERATURE, REPORTED75.0 FTITLEJuncos, the columnSTATION REPORT · COOP JNCP4TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 3DATE2026-10-15IDSR-JNCP4-1DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

From the Field Book

2The sun

Contents

On Oct 15 the noon sun stands 63 degrees above the horizon at 18.23 N, and the day is 11 h 37 min long. Level ground there takes 89 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Juncos, angles true: on Oct 15 it stands 63 degrees above the horizon, against 85 at the June solstice, 72 at the equinoxes and 48 at the December solstice; the day is 11 h 37 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT JNCP4FIG. E THE SUN AT JUNCOSELEVATION 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 85°EQUINOXES 72°DECEMBER SOLSTICE 48°OCT 15, 63°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 37 MINLEVEL GROUND TAKES 89 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 18.23 N; THE SUN'S DECLINATION -8.7°TITLEJuncos, the sunSTATION REPORT · COOP JNCP4TYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 2 of 3DATE2026-10-15IDSR-JNCP4-2DRAWN AS linework on paperSOURCES FB-ENG-007

From the Field Book

3The instrument

Contents

A cooperative observer's station, 213 ft above sea level. Its report of Oct 15, 2026, 5:00 AM local time is written on the sensors that made it.

Elevation of a cooperative observer's station, Juncos, each sensor drawn and labelled with what it read: thermometer in its shield, 5 ft, high 92.0 f, low 73.0 f; standard 8 inch rain gauge, 0.00 in.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT JNCP4FIG. F THE INSTRUMENTELEVATION OF A COOPERATIVE OBSERVER'S STATION, EACH SENSOR WITH WHAT IT READ, OCT 15, 2026, 5:00 AM LOCAL TIMETHERMOMETER IN ITS SHIELD, 5 FTHIGH 92.0 F, LOW 73.0 FSTANDARD 8 INCH RAIN GAUGE0.00 INSNOW BOARD AND MEASURING STAKE-SCHEMATIC; THE SPACING BETWEEN SENSORS IS NOT TO SCALETITLEJuncos, the instrumentSTATION REPORT · COOP JNCP4TYPEELEVATIONSCALESCHEMATICREVAS REPORTED SHEET 3 of 3DATE2026-10-15IDSR-JNCP4-3DRAWN AS linework on paperSOURCES FB-INS-001, FB-INS-009, FB-INS-003

From the Field Book

The instrumentWhat an instrument is FB-INS-001Personal weather station FB-INS-003Stevenson screen and siting FB-INS-009

What it seesHydrostatic balance FB-ENG-003Radiation budget FB-ENG-007Nor'easter FB-EVT-066Blizzard FB-EVT-081Ice storm FB-EVT-084Heat wave and heat dome FB-EVT-130Snowpack strata FB-WAT-031

Near Juncos

Gauges

Weather instruments