yr.no is a joint service by the and the

My places
Velg språk / Choose language:

Consequences of the strike: The weather forecasts on yr.no are updated at least four times a day, and will not be affected by the strike. There will be no text forecasts, nor manual corrections of the model forecasts in regions affected by the meteorologist's strike. The strike only affects forecasts in Scandinavia.

Weather statistics for Tjøtta observation site, Alstahaug (Nordland)

Tjøtta observation station

The station is located in Alstahaug municipality, 21 m.a.s.l. It is the closest official weather station, 0.0 km away from Tjøtta observation site. The station was established in September 1984. The station measures precipitation, temperature and wind. There may be missing data.

Last 30 days: Average temperature was 6.8 °C, 1.0 °C below the normal. Highest temperature was 20.3 °C (24 May), and the lowest was -0.9 °C (04 May). The total precipitation was 85.1 mm. Highest daily precipitation was 10.6 mm (08 May) (measured between 07 -07). Highest wind speed was 10.3 m/s (19 May).

Last 12 full months: Highest temperature was 27.5 °C (9. Jun. 2011) and the lowest -9.7 °C (5. Feb. 2012). Highest daily precipitation was 36.0 mm (17. Aug. 2011).

Graph explanation. Hide explanation

The black line shows mean value (both precipitation and temperature). Some stations does not have mean values, and hence no black line.

The red/blue line shows average temperature during the day (24h) (equalized for 30 days). The line is red by pluss degrees, and blue by minus degrees.

The red/blue areas shows the temperature variations throughout the day (24h) with max- and min. temperature as endpoints. The area is red by pluss degrees, and blue by minus degrees.

The lightblue bars shows total precipitation this month. The black lines crossing is the normal (mean) value for precipitation.

The dark grey bars behind the precipitation bars shows snowdepth measured day by day.

Some stations only measures precipitation, while others only measures temperature. If an area or bar is missing the station does not measure this data.

NB! Precipitation is measured at 07 hours Norwegian time. The value (in mm) shows last 24 hours until 07 hours (08 hours summertime). Download other weather statistics from eklima.met.no.

Tabular view for temperature and precipitation per month
Months Temperature Precipitation Wind
Average Normal Warmest Coldest Total Normal Highest
daily value		 Average Strongest
wind
Apr 2012 3.1°C 3.0°C 10.8°C Apr 26 -4.8°C Apr 2 67 mm 60 mm 8 mm Apr 2 2.9 m/s 13.1 m/s Apr 1
Mar 2012 3.3°C 0.5°C 7.4°C Mar 1 -3.1°C Mar 31 188 mm 80 mm 19 mm Mar 15 4.6 m/s 15.6 m/s Mar 16
Feb 2012 0.4°C -1.2°C 6.6°C Feb 29 -9.7°C Feb 5 111 mm 70 mm 17 mm Feb 7 4.1 m/s 14.9 m/s Feb 28
Jan 2012 0.0°C -1.8°C 6.6°C Jan 15 -7.3°C Jan 8 91 mm 95 mm 21 mm Jan 15 3.3 m/s 12.2 m/s Jan 11
Dec 2011 2.1°C -0.2°C 10.2°C Dec 1 -3.1°C Dec 11 100 mm 105 mm 16 mm Dec 26 3.7 m/s 16.1 m/s Dec 23
Nov 2011 7.2°C 2.0°C 13.0°C Nov 1 0.4°C Nov 27 161 mm 100 mm 28 mm Nov 1 4.6 m/s 19.4 m/s Nov 26
Oct 2011 8.5°C 6.5°C 15.1°C Oct 26 1.6°C Oct 9 232 mm 130 mm 31 mm Oct 2 4.4 m/s 12.8 m/s Oct 19
Sep 2011 11.8°C 9.7°C 19.1°C Sep 3 6.2°C Sep 18 137 mm 120 mm 24 mm Sep 7 2.5 m/s 12.5 m/s Sep 28
Aug 2011 14.0°C 13.0°C 23.6°C Aug 28 7.1°C Aug 13 67 mm 85 mm 36 mm Aug 17 2.1 m/s 9.2 m/s Aug 29
Jul 2011 14.3°C 13.0°C 24.4°C Jul 24 7.4°C Jul 15 54 mm 75 mm 12 mm Jul 19 2.4 m/s 10.0 m/s Jul 10
Jun 2011 13.5°C 11.2°C 27.5°C Jun 9 4.0°C Jun 6 99 mm 55 mm 23 mm Jun 4 2.8 m/s 12.6 m/s Jun 4
May 2011 9.3°C 8.0°C 20.8°C May 10 1.7°C May 3 72 mm 45 mm 13 mm May 25 2.9 m/s 11.9 m/s May 20