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Rotterdam, New York

Community in Schenectady County, New York

Air quality

The air at Rotterdam

Index 21, good, led by fine particles. Read at 12 AM from its reporting area, Upper Hudson Valley Region (NY), 24 miles off.

21Good
  • Fine particles (PM2.5)21Good14.1 mi
  • Ozone20Good5 ppb12.6 mi

The days ahead

Good each day through Today, led by fine particles. Yesterday measured 23, good.

Smoke, the next 44 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at Rotterdam

None in the last 24 hours; 0.07 in over the last 3 days, to Fri 12 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.07in

Visibility

How far you can see at Rotterdam, the next 44 hours

Mist or haze: visibility falls to 2 miles Fri 5 PM.

FriSat

On the radar over Rotterdam, New YorkReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 5 instruments nearest Rotterdam, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.5 miles away.

measured now3 instruments

measured daily2 instruments

Schenectady 2.2 WSWNY-SC-23

In a volunteer observer's own ground/0.5 mi away/339 ft/2 ft above here

precip, snowfall, snow depth

Rank-

Delanson 2NEDLSN6

At a cooperative observer's station/10.7 mi away/988 ft/651 ft above here

snowfall, snow depth, precip, high, low

Rank208of 1,432

Station report

The weather at Citizen station FW7874, drawn

The nearest instrument reporting now, 4.2 mi from Rotterdam, New York. From its report of undefined: 3 of its 4 sheets.

The wind

Calm.

Plan of the wind at Citizen station FW7874, north up: calm; beside it the Beaufort scale from calm to hurricane force, force 0, calm, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FW7874FIG. C THE WIND AT CITIZEN STATION FW7874PLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLECitizen station FW7874, the windSTATION REPORT · CWOP FW7874TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 1 of 4DATE2026-10-16IDSR-FW7874-1DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

The column

At 400 ft above sea level, 1 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.49 inHg and the temperature at 57.6 F; the station's altimeter setting of 30.06 inHg means its barometer reads 29.63 inHg; it reports 46.0 F, 11.6 F colder than standard.

Section from sea level of where Citizen station FW7874 stands in the atmosphere, height to scale: the station 400 feet above sea level with 1 per cent of the air below it; the standard atmosphere's pressure there, 29.49 inches of mercury, and temperature, 57.6 degrees Fahrenheit; the altimeter setting of 30.06 and the station pressure it means, 29.63.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FW7874FIG. D WHERE CITIZEN STATION FW7874 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 ATMOSPHERECITIZEN STATION FW78741 PER CENT OF THE AIR BELOW IT400 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 HERE29.49 inHgSTANDARD TEMPERATURE HERE57.6 FALTIMETER SETTING, REPORTED30.06 inHgITS BAROMETER READS29.63 inHgTEMPERATURE, REPORTED46.0 FTITLECitizen station FW7874, the columnSTATION REPORT · CWOP FW7874TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 4DATE2026-10-16IDSR-FW7874-2DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The sun

On Oct 16 the noon sun stands 38 degrees above the horizon at 42.77 N, and the day is 10 h 52 min long. Level ground there takes 62 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Citizen station FW7874, angles true: on Oct 16 it stands 38 degrees above the horizon, against 71 at the June solstice, 47 at the equinoxes and 24 at the December solstice; the day is 10 h 52 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FW7874FIG. E THE SUN AT CITIZEN STATION FW7874ELEVATION 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 71°EQUINOXES 47°DECEMBER SOLSTICE 24°OCT 16, 38°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 10 H 52 MINLEVEL GROUND TAKES 62 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 42.77 N; THE SUN'S DECLINATION -9.1°TITLECitizen station FW7874, the sunSTATION REPORT · CWOP FW7874TYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 3 of 4DATE2026-10-16IDSR-FW7874-3DRAWN AS linework on paperSOURCES FB-ENG-007

The full report of Citizen station FW7874, in 4 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Delanson 2NE (DLSN6), 10.7 miles from here, read 15 Oct, 08:00. measured daily

Elsewhere in New York

29 places, each with its own forecast and its own instruments.

Near Rotterdam

The nearest places, each with its own forecast and the instruments nearest it.

Near Rotterdam

River and lake gauges