Araba Bioscan

Araba Bioscan 13-20 November 2020

Data for the period 13-20 November 2020

See the Araba Bioscan Project page for background information on the project and methods.


As with recent weeks, a relatively low number and diversity of insects (particularly when compared with the five-day test of a SLAM trap around 10 m away.

Over the next week, I will compare the current Malaise trap location with another Malaise trap located near the position used for the SLAM trap.

The collecting medium was 95% isopropyl alcohol.

Sample images

Environmental measurements

Sunrise and sunset sourced from Sunrise-Sunset and relate to the listed date. All other measurements are calculated for the 24-hour period to 09:00.

Date14 Nov15 Nov16 Nov17 Nov18 Nov19 Nov20 Nov
Mean temperature (°C)16.816.822.618.317.919.622.6
Max temperature (°C)24.525.530.928.427.630.132.0
Min temperature (°C)9.310.017.29.912.612.915.4
Mean humidity (%)67.059.951.558.456.562.154.5
Max humidity (%)
Min humidity (%)
Mean soil moisture (%)32.530.328.925.123.923.022.1
Max soil moisture (%)
Min soil moisture (%)
Mean relative pressure (hPa)1008.01014.11016.11016.11022.41022.91020.0
Max relative pressure (hPa)1011.51017.91018.21020.71025.61025.61023.4
Min relative pressure (hPa)1005.51010.91012.41012.81019.01020.91018.3
Mean absolute pressure (hPa)930.6936.7938.7938.7945.0945.5942.6
Max absolute pressure (hPa)934.1940.5940.8943.3948.2948.2946.0
Min absolute pressure (hPa)928.1933.5935.0935.4941.6943.5940.9
Daily rainfall (mm)
Sunshine hours9.
Max solar radiation (W/m2)1042.3977.4971.4818.4939.5933.41103.5
Max UV index109979910
Mean wind speed (km/h)
Mean wind direction316.1315.8318.4321.5322.9315.5322.6
Max gust (km/h)16.618.416.634.923.89.414.8