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Jaffrey Airfield Silver Ranch Airport, New Hampshire

Small airport in Cheshire County, New Hampshire

Air quality

The air at Jaffrey Airfield Silver Ranch Airport

Index 32, good, led by fine particles. Read at 12 AM from its reporting area, Cheshire County (NH), 15 miles off.

32Good
  • Fine particles (PM2.5)32Good7.1 mi
  • Ozone8Good33 ppb7.1 mi
  • Coarse particles (PM10)-7.1 mi
  • Sulfur dioxide0Good0.1 ppb7.1 mi

The days ahead

Good each day through Today, led by fine particles. Yesterday measured 27, good.

Smoke, the next 44 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at Jaffrey Airfield Silver Ranch Airport

None in the last 24 hours; 0.69 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
0.69in

Visibility

How far you can see at Jaffrey Airfield Silver Ranch Airport, the next 44 hours

Mist or haze: visibility falls to 2 miles Fri 8 PM.

FriSat

Airfield

Code
AFN
ICAO
KAFN
IATA
AFN
Field elevation
1,040 ft
Serves
Jaffrey
Kind
Small airport
Scheduled service
No
Its own instrument
AFN
Wind now
Calm, read 15 Oct, 23:52

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
16 / 342,982 ft134 ftAsphalt148° / 328°CalmCalm
16341,000 ftN
Runways from their surveyed ends, north up, lengths and positions to scale.

Measured here

What the airfield's own instrument measured, the last 24 hours

Every hour from Jaffrey Municipal (AFN), Jaffrey Airfield Silver Ranch Airport's own instrument, measure by measure, on the field's own clock.

Temperature

41 F at 12 AM; 61 F at its warmest, 3 PM Thursday, and 39 F at its coolest, 9 PM Thursday.

Now
41F
12 AM
Highest
61F
3 PM Thursday
Lowest
39F
9 PM Thursday
Temperature and Dew point at Jaffrey Municipal, temperature from 39.0 to 61.0, the latest 41.0; dew point from 28.0 to 46.5, the latest 39.0, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF2030405060703 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16FREEZINGTEMPERATUREDEW POINT

How it is measured: Stevenson screen and siting, Field Book FB-INS-009

Humidity and dew point

A dew point of 39 F, the air 93% saturated; the humidity ran from 32% at 12 PM Thursday to 93% at 11 PM Thursday.

Dew point now
39F
12 AM
Humidity now
93%
Humidity, range
32 to 93%
Relative humidity at Jaffrey Municipal, relative humidity from 32 to 93, the latest 93, in per cent.RELATIVE HUMIDITY%204060801003 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16

How it is measured: Humidity variables, Field Book FB-WAT-002

Wind

Calm at 12 AM; at its strongest 8 mph, 7 AM Thursday, with a gust of 21 mph at 7 AM Thursday.

Now
0mph
calm
Strongest
8mph
7 AM Thursday
Highest gust
21mph
7 AM Thursday
Wind at Jaffrey Municipal, wind from 0 to 8, the latest 0, in miles an hour.WINDmph024683 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16
Wind direction at Jaffrey Municipal, wind direction from 10 to 360, the latest 170, in degrees.WIND DIRECTION°0901802703603 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16

How it is measured: Coriolis as geometry, Field Book FB-ENG-008

Pressure

30.13 inHg at 12 AM, falling 0.05 inHg over 3 hours; 0.09 inHg higher than a day before.

Now
30.13inHg
12 AM
3 hours
-0.05inHg
falling
24 hours
+0.09inHg
Pressure, altimeter at Jaffrey Municipal, pressure, altimeter from 30.04 to 30.23, the latest 30.13, in inches of mercury.PRESSURE, ALTIMETERinHg30.0030.0530.1030.1530.2030.253 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16

How it is measured: Hydrostatic balance, Field Book FB-ENG-003

Visibility

10 miles or more every hour.

Now
10+mi
Lowest
10+mi
Hours under a mile
0
Visibility at Jaffrey Municipal, visibility from 10.0 to 10.0, the latest 10.0, in miles.VISIBILITYmi02.557.5103 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16LIFRIFRMVFRVFR

How it is measured: Fog types, Field Book FB-WAT-020

Cloud base

The lowest cloud base came down to 2,400 ft at 2 AM Thursday; a base was reported in 10 of the hours.

Lowest base now
-
Lowest in 24 hours
2,400ft
2 AM Thursday
Hours with a base reported
10
Lowest cloud base at Jaffrey Municipal, lowest cloud base from 2,400 to 11,000, the latest 11,000, in feet.LOWEST CLOUD BASEft02,5005,0007,50010,00012,5003 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16MVFRVFR

How it is measured: Cloud classification, Field Book FB-SKY-001

Precipitation

None measured in the gauge in the last 24 hours.

Last 24 hours
0.00in
Wettest hour
-
Hours with some
0

How it is measured: ASOS, Field Book FB-INS-002

Jaffrey Municipal: every reading, the last 7 days, 30 days and the year, and how well it reports

What is measuring near here

The 5 instruments nearest Jaffrey Airfield Silver Ranch Airport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.0 miles away.

measured now3 instruments

Jaffrey MunicipalAFN

At an airfield/0.0 mi away/1,040 ft/level with here

temp, wind, gust, visibility, precip, pressure

Macdowell DamMACN3

At a dam/6.6 mi away/1,066 ft/26 ft above here

temp, wind, gust, humidity, pressure

NH 124 New Ipswitch010NH

Beside a road/9.7 mi away/949 ft/91 ft below here

temp, pavement temp, wind, visibility, precip

measured daily2 instruments

Jaffrey AirparkJAPN3

At a cooperative observer's station/0.3 mi away/1,007 ft/33 ft below here

snowfall, snow depth, precip, high, low

Jaffrey 1.1 SSENH-CH-22

In a volunteer observer's own ground/1.0 mi away/1,085 ft/45 ft above here

precip, snowfall, snow depth

0in

Snow on the ground

Measured at Jaffrey Airpark (JAPN3), 0.3 miles from here, read 15 Oct, 07:00. measured daily

Elsewhere in New Hampshire

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

Near Jaffrey Airfield Silver Ranch Airport

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

Near Jaffrey Airfield Silver Ranch Airport