Veðráttan - 02.12.1975, Page 8

Ársyfirlit
VEÐRÁTTAN
1975
StöSvar Stations Dagsetningar Date of Veturinn 1973-1974 (Okt.-maí) (Oct.-May)
Frost síðast Last írost Frost fyrst Earliest frost cJ -2. s a (0 o <3 ■« o (0 sq Snjóar fyrst Earliest snowfall Alhvítt síðast Last total snow cover Alautt fyrst að staðaldri End of snow cover Alhvítt fyrst First total snow cover Vorgróður byrjar Beginning of vegetation
Snjólag Hvítt % Snow cover Hagar % Pasture
Forsæti _ _ 6/5 4/11 27/4 28/4 5/11 _ 18 _
Lækjarbakki ! - 12/5 4/11 27/4 28/4 4/11 - 26 -
Eyrarbakki 4/6 13/9 13/5 5/11 27/4 13/5 5/11 - 32 -
Austurey II - - 3/6 4/11 15/3 - 5/11 - 31 -
MiÖfell - - 5/6 20/9 18/2 15/4 26/11 - 26 -
Þingvellir 26/6 12/9 18/5 12/10 27/4 2/5 5/11 - 56 -
HeiÓarbær - - 27/4 4/11 18/2 - 4/11 - 36 -
Irafoss 4/6 12/9 17/5 20/9 16/3 23/4 15/11 27/4 40 53
Reykir í ölfusi ... 2/6 25/9 6/5 4/11 - - - - - -
Grindavík : - 30/4 23/9 - - - - - -
Reykjanes 11/5 25/9 3/6 17/9 30/4 1/5 14/11 - 35 -
Keflavík 11/5 26/9 3/6 4/11 10/4 1/5 26/11 - 23 -
Snjódýpt (cm) þá daga sem jörð var alhvít 16. júlí 1974 — 15. júlí 1975.
Depth of snow on days with total snow cover July 16th 197Jf — July 15th 1975.
Mánuður Month Meðaltal Mean Mest Most Dag Date Fjöldi daga Number of days l MeSaital 1 Mean Mest Most Dag Date Fjöldi daga Num-ber of days Meðaltal Mean <D O SÍ3 Dag Date etJ fco K aJ <u XJ Í3 =2 g 2 » 5» Þh a •o o1
Reykjavík Hólmur Stardalur
XI 1.0 1 10,11 2 1.0 1 10 1 9.0 15 30 5
XII 4.5 6 12 4 9.2 20 12 25 41.3 45 4,29 31
I . 13.6 20 26-31 22 24.7 28 4 31
II 8.3 20 1 10 10.4 26 1 14
III 1.6 3 14 5 3.1 8 14 9
IV 6.0 12 27 3 5.3 10 10 3

3.3 14 9.4 70- 27.6 81
Mean
Stóri- Botn Akranes Andakílsárvirkjun
XII 15.8 25 29 4 3.0 12 12 8 6.2 12 M,5 27
I 8.0 8 4 1 4.7 9 18 23 4.5 8 3 20
II .....'. 13.4 25 17 5 3.0 5 22,23 6 6.2 10 22,23 5
III 7.0 •8 14 2 1.4 2 14,15 5 • 1.0 1 6,15 8
IV 1.3 2 10 3 2.0 2 13 1
Meðaltal 12.7 12 3'. 6 45 4.9 61
Mean
SíÖuinúli Brekka Þverholt
IX , 4.0 4 27,30 2 , ,
X . . 4-.0 4 5 1 .
XI . 4.9 7 27,28 7 2.5 5 10 6
XII 4.2 15 4 19 17.1 28 5 31 4.9 14 31 22
I 2.1 4 3,28 24 9.0 13 11,14 30 9.9 21 4 24
II 5.3 7 18,23 8 7.1 14 23 9 5.9 15 23,24 11
III 4.6 8 14 7 4.1 6. 7,14 14 2.7 3 14,15 3
IV 3.0 3 9 1 6.9 12 10 7 4.7 5 10,11 3
V . 2.5 3 10 2 1.0 1 13 1

3.5 59 9.9 103 6,4 70
Mean
(104)