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Plymouth Municipal Airport, New Hampshire

Small airport in Grafton County, New Hampshire

Air quality

The air at Plymouth Municipal Airport

Index 19, good, led by ozone. Read at 9 PM from its reporting area, Grafton County (NH), 12 miles off.

19Good
  • Fine particles (PM2.5)10Good-
  • Ozone19Good-

The days ahead

Good each day through Fri Oct 16, led by fine particles. Yesterday measured 17, good.

Smoke, the next 42 hours

No smoke near the ground through Sat 2 PM.

FriSat

Precipitation

What has fallen at Plymouth Municipal Airport

None in the last 24 hours; 0.70 in over the last 3 days, to Thu 8 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.70in

Visibility

How far you can see at Plymouth Municipal Airport, the next 42 hours

Mist or haze: visibility falls to 1 mile Fri 2 PM.

FriSat

Airfield

Code
1P1
ICAO
-
IATA
-
Field elevation
505 ft
Serves
Plymouth
Kind
Small airport
Scheduled service
No
Its own instrument
1P1
Wind now
Calm, read 15 Oct, 21:35

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
12 / 30 unlit2,347 ft90 ftTurf---

Measured here

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

Every hour from Plymouth (1P1), Plymouth Municipal Airport's own instrument, measure by measure, on the field's own clock.

Temperature

38 F at 9 PM; 57 F at its warmest, 3 PM, and 38 F at its coolest, 9 PM.

Now
38F
9 PM
Highest
57F
3 PM
Lowest
38F
9 PM
Temperature and Dew point at Plymouth, temperature from 37.8 to 57.1, the latest 37.8; dew point from 32.0 to 45.2, the latest 36.4, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF30405060Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMFREEZINGTEMPERATUREDEW POINT

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

Humidity and dew point

A dew point of 36 F, the air 94% saturated; the humidity ran from 39% at 3 PM to 94% at 9 PM.

Dew point now
36F
9 PM
Humidity now
94%
Humidity, range
39 to 94%
Relative humidity at Plymouth, relative humidity from 39 to 94, the latest 94, in per cent.RELATIVE HUMIDITY%20406080100Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Wind

Calm at 9 PM; at its strongest 13 mph, 8 AM, with a gust of 23 mph at 3 AM.

Now
0mph
calm
Strongest
13mph
8 AM
Highest gust
23mph
3 AM
Wind and Gust at Plymouth, wind from 0 to 13, the latest 0; gust from 16 to 23, the latest 20, in miles an hour.WIND AND GUSTmph0102030Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMWINDGUST
Wind direction at Plymouth, wind direction from 250 to 320, the latest 310, in degrees.WIND DIRECTION°090180270360Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Pressure

30.19 inHg at 9 PM, steady over 3 hours; 0.23 inHg higher than a day before.

Now
30.19inHg
9 PM
3 hours
+0.00inHg
steady
24 hours
+0.23inHg
Pressure, altimeter at Plymouth, pressure, altimeter from 29.96 to 30.24, the latest 30.19, in inches of mercury.PRESSURE, ALTIMETERinHg29.9030.0030.1030.2030.30Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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 Plymouth, visibility from 10.0 to 10.0, the latest 10.0, in miles.VISIBILITYmi02.557.510Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMLIFRIFRMVFRVFR

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

Cloud base

The lowest cloud base came down to 2,300 ft at 10 PM Wednesday; a base was reported in 9 of the hours.

Lowest base now
-
Lowest in 24 hours
2,300ft
10 PM Wednesday
Hours with a base reported
9
Lowest cloud base at Plymouth, lowest cloud base from 2,300 to 3,700, the latest 3,700, in feet.LOWEST CLOUD BASEft2,0002,5003,0003,5004,000Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMMVFRVFR

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

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

What is measuring near here

The 6 instruments nearest Plymouth Municipal Airport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.1 miles away.

measured now4 instruments

Plymouth1P1

At an airfield/0.1 mi away/505 ft/level with here

temp, wind, gust, visibility, precip, pressure

Holderness 5WNWHDEN3

At a river or reservoir gauge/4.9 mi away/820 ft/315 ft above here

temp, wind, gust, humidity, pressure

Ashland I-93NHASL

Beside a road/7.0 mi away/600 ft/95 ft above here

temp, pavement temp, wind, visibility, precip

Hubbard BrookS2069

At a soil climate station/11.8 mi away/1,480 ft/975 ft above here

temp, humidity, soil temp, soil moisture

measured daily2 instruments

Plymouth 1.6 NNWNH-GR-9

In a volunteer observer's own ground/2.4 mi away/753 ft/248 ft above here

precip, snowfall, snow depth

P.O. Box 197 Wentworth NhWENN3

At a cooperative observer's station/14.4 mi away/922 ft/417 ft above here

snowfall, snow depth, precip, high, low

0in

Snow on the ground

Measured at P.O. Box 197 Wentworth Nh (WENN3), 14.4 miles from here, read 14 Oct, 07:00. measured daily

Elsewhere in New Hampshire

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

Near Plymouth Municipal Airport

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

Near Plymouth Municipal Airport