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Greeley Hill, California

Community in Mariposa County, California

Air quality

The air at Greeley Hill

Index 33, good, led by ozone. Read at 11 PM from its reporting area, Tuolumne County (CA), 17 miles off.

33Good
  • Ozone33Good-

The days ahead

Yesterday measured 41, good.

Smoke, the next 42 hours

No smoke near the ground through Sat 5 PM.

FriSat

Precipitation

What has fallen at Greeley Hill

None in the last 3 days, to Thu 11 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 Greeley Hill, the next 42 hours

Visibility stays 10 miles or more through Sat 5 PM.

FriSat

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

What is measuring near here

The 7 instruments nearest Greeley Hill, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.7 miles away.

measured now5 instruments

ColumbiaO22

At an airfield/25.6 mi away/2,119 ft/981 ft below here

temp, wind, gust, visibility, precip, pressure

Rank3,952of 4,465

measured daily2 instruments

Groveland 2GROC1

At a cooperative observer's station/9.2 mi away/2,723 ft/377 ft below here

snowfall, snow depth, precip, high, low

Rank-

Mariposa 3.7 NNWCA-MP-1

In a volunteer observer's own ground/15.7 mi away/2,942 ft/158 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at Dudley Ranch at Coulterville, drawn

The nearest instrument reporting now, 0.7 mi from Greeley Hill, California. From its report of Oct 15, 2026, 11:45 PM local time: 3 of its 5 sheets.

The air

40.0 F with a dew point of 37.0 F, 89 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 700 ft up.

Chart of the air at Dudley Ranch at Coulterville: temperature 40.0 degrees Fahrenheit and dew point 37.0, 89 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 700 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DUDC1FIG. B THE AIR AT DUDLEY RANCH AT COULTERVILLETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00030 F40 F50 FSATURATES 700 FT ABOVE THE STATION, AT 36.3 FTEMPERATURE AND DEW POINT 40.0 F, 37.0 FRELATIVE HUMIDITY 89 PER CENTTHE AIR COOLS ABOUT 5.4 F EACH 1,000 FT IT RISES, AND ITS DEW POINT ABOUT 1 FSOLID: THE LIFTED AIR'S TEMPERATURE; DASHED: ITS DEW POINTTITLEDudley Ranch at Coulterville, the airSTATION REPORT · DCP DUDC1TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 5DATE2026-10-16IDSR-DUDC1-1DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Dudley Ranch at Coulterville, 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 DUDC1FIG. C THE WIND AT DUDLEY RANCH AT COULTERVILLEPLAN, 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 FORCE73TITLEDudley Ranch at Coulterville, the windSTATION REPORT · DCP DUDC1TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 2 of 5DATE2026-10-16IDSR-DUDC1-2DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

The column

At 3,167 ft above sea level, 11 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 26.65 inHg and the temperature at 47.7 F; it reports 40.0 F, 7.7 F colder than standard.

Section from sea level of where Dudley Ranch at Coulterville stands in the atmosphere, height to scale: the station 3,167 feet above sea level with 11 per cent of the air below it; the standard atmosphere's pressure there, 26.65 inches of mercury, and temperature, 47.7 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DUDC1FIG. D WHERE DUDLEY RANCH AT COULTERVILLE 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 ATMOSPHEREDUDLEY RANCH AT COULTERVILLE11 PER CENT OF THE AIR BELOW IT3,167 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 HERE26.65 inHgSTANDARD TEMPERATURE HERE47.7 FTEMPERATURE, REPORTED40.0 FTITLEDudley Ranch at Coulterville, the columnSTATION REPORT · DCP DUDC1TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 3 of 5DATE2026-10-16IDSR-DUDC1-3DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The full report of Dudley Ranch at Coulterville, in 5 sheets, each beside the Field Book plates that explain it

-

Snow on the ground

Elsewhere in California

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

Near Greeley Hill

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

Near Greeley Hill

River and lake gauges