STUDIES ON THE VEGETATION OF ICELAND 
TABLE 1 CONTINUED. 
| | | x =, 
Ines ale | » | 3 n | © 2 
ls) 4) 2) 2) Blzle|e| Ble) 4) le: 
© = = | & aAisis5/ 2 Sn 5 © © 
Ca ih hoe "© = < KE le am 3 = = 
Ic ee) | A Z |A 
Bean temperature of == —  — ES = 
surface water in de- | | | | 
oe | 4.9] 0.9] 0.3| 0.4| 1.7/4.7 8.2 10.4 |10.6 
Mean temperature of | | | | 
TET» N ee 2.8 |+2.2 |+2.7 +2.3| 0.8 4.3 17.8 | 9.7| 9.2 
Mean precipitation in | at 
RENT nee ces ceicie 654| 74| 691 50) 37!37|37! 34| 41 
Number of days with | 
precipitation. . ...:.. 1207| 21) 19) 18) 1615| 1514 
Number of days with | | 
STER BASS ERE gen 7:82.17 1677212 Sas 8| 3/0.4| 0.1 
Number of days with | | 
SEE oa 9| 0.31 05) 0.4| 0.7 12.011.3| 1.6| 1.3 
Number of days with | | 
ER 1661 26) 25) 26| 19) 9) 1) >| 0.2] 
Number of days with | | 
HGS Se ocedscebonege 50 6 6 6 4} 41 2 1 2 5 
IV. Mean temperature of | 
surface water in de- 
Be Bienen 3.8| 1.8] 14] 0.7| 1.3 12.6 4.2 | 6.6| 7.4 
Mean temperature of 
N SEE JR 1.5 |+2.0 |+3.0 |+3.6 |+1.2 11.7 5.5 | 7.0) 6.8 
Mean precipitation in 
ae rain 274) 161 17) 17| 13/15118) 281! 34 
Number of days with | 
precipitation........ 117) 10) 20)" 10 9178176 8 
Number of days with 
bo 
LL ASS le ce vo 46 1| 1 2 A Gi 70 10 
Number of days with 
ERE cer 1921 25) 24| 27) 2417| 5 2 
Number of days with 
Se EURE 11 Tan Ad 1| 0.3 0.2 0.4| 0.2| 0.2 
V. Mean temperature of | | 
PR ri se +0.2 27.2 +6.7 +6.4 |+2.1 3.2 8.5 10.0), 7.4 
Mean precipitation in | | | 
mm (Grimstadir).... >} »| »| »| »[/19|27| 29| 34 
Number of days with | Paw 
precipitation........ | 1531 13| 13] 14] 18/12] 8| 12] 
Number of days with | | | 
RE PETITE 109 |! 12) 12 19 || 124) Sis 2 
Number of days with | | | | 
AAAS se 7 1) ie eta ge fC Dh 
Number of days with | | | 121 
ensure 39| 6 i I 2| 2) 3 1 
