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Bootjack, California

Community in Mariposa County, California

Air quality

The air at Bootjack

Index 44, good, led by ozone. Read at 9 PM from its reporting area, Yosemite National Park (CA), 20 miles off.

44Good
  • Fine particles (PM2.5)34Good-
  • Ozone44Good-

The days ahead

Yesterday measured 60, moderate.

Smoke, the next 44 hours

Little smoke near the ground through Sat 5 PM: the index from smoke stays at 6 or under.

FriSat

Precipitation

What has fallen at Bootjack

None in the last 3 days, to Thu 8 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.00in

Visibility

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

Visibility stays 10 miles or more through Sat 5 PM.

FriSat

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

What is measuring near here

The 7 instruments nearest Bootjack, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 3.0 miles away.

measured now5 instruments

MagoonMAGC1

At a river or reservoir gauge/4.3 mi away/3,182 ft/937 ft above here

temp, wind, gust, humidity, pressure

Rank1,204of 4,465

MaderaMAE

At an airfield/35.4 mi away/251 ft/1,994 ft below here

temp, wind, gust, visibility, precip, pressure

Rank432of 4,465

measured daily2 instruments

Mariposa 3.0 ENECA-MP-7

In a volunteer observer's own ground/3.0 mi away/2,754 ft/509 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at Madera, drawn

The nearest airport reporting now, 35.4 mi from Bootjack, California. From its report of Oct 15, 2026, 8:55 PM local time: 3 of its 5 sheets.

The sky

No cloud below 12,000 ft; visibility 10 mi or more.

Section of the sky over Madera, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MAEFIG. A THE SKY OVER MADERASECTION, HEIGHT ABOVE THE STATION TO SCALE, EACH LAYER AT THE HEIGHT OF ITS BASE AS REPORTED; COVER IN EIGHTHS OF THE SKY; TOPS NOT MEASUREDFT ABOVE THE STATION05001,0001,5002,0002,5003,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETNO CLOUD DETECTED BELOW 12,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEMadera, the skySTATION REPORT · ASOS MAETYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 5DATE2026-10-16IDSR-MAE-1DRAWN AS linework on paperSOURCES FB-SKY-001

The wind

From the west northwest (300 degrees) at 3 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at Madera, north up: blowing from 300 degrees, the west northwest, at 3 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 1, light air, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MAEFIG. C THE WIND AT MADERAPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 300°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMadera, the windSTATION REPORT · ASOS MAETYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 2 of 5DATE2026-10-16IDSR-MAE-2DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The column

At 251 ft above sea level, 1 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.65 inHg and the temperature at 58.1 F; the station's altimeter setting of 30.08 inHg means its barometer reads 29.81 inHg.

Section from sea level of where Madera stands in the atmosphere, height to scale: the station 251 feet above sea level with 1 per cent of the air below it; the standard atmosphere's pressure there, 29.65 inches of mercury, and temperature, 58.1 degrees Fahrenheit; the altimeter setting of 30.08 and the station pressure it means, 29.81.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MAEFIG. D WHERE MADERA 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 ATMOSPHEREMADERA1 PER CENT OF THE AIR BELOW IT251 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 HERE29.65 inHgSTANDARD TEMPERATURE HERE58.1 FALTIMETER SETTING, REPORTED30.08 inHgITS BAROMETER READS29.81 inHgTITLEMadera, the columnSTATION REPORT · ASOS MAETYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 3 of 5DATE2026-10-16IDSR-MAE-3DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The full report of Madera, in 5 sheets, each beside the Field Book plates that explain it

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Snow on the ground

Elsewhere in California

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

Near Bootjack

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

Near Bootjack

River and lake gauges