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Table 3 Mean monthly temperatures recorded at the roost Løvhaug in 2002, including temperatures at exit and return

From: The influence of night length: Activity of the northern bat Eptesicus nilssonii under conditions of continuous light in midnight sun compared to a southern population

Month

Mean

First exit

Last return

Bardufoss

June

12.9

11.2

8.8

13.7

July

15.8

13.6

10.3

14.6

Aug.

14.5

10.0

9.4

13.9

Sept.

9.7

  

6.6

Oct.

   

-2.6

  1. Temperatures were recorded with a data logger at Løvhaug (16 June – 5 September 2002, n=23 239 records). Both monthly means and temperatures at first exit (n=62) and last return (n=55) during the same period are shown. Monthly means for 2002 from the official weather station at Bardufoss airport are included for comparison