Veðráttan - 02.12.1964, Síða 12

Ársyfirlit
VEÐRÁTTAN
1964
Lágmarksmælingar við jörð, C°
Grass minium temperature.
(Framhald)
(Continued)
Mán. REYKHÓLAR HÓLAR 1 H JALTADAL VAGLIR II
Meðallágmark Mean Lægst Lowest Dag Date Fjöldi frostnótta Number of nights with frost M H cð (O s Lægst Lowest Dag Date Fjöldi frostnótta Number of nights with frost M oJ “ ° tp 0> s Lægst Lowest Dag Date Fjöldi frostnótta Number of nights with frost
Janúar .... -1.2 -9.7 30 19 -2.3 -17.5 31 20 —4.6 -21.3 31 25
Febrúar.... -1.7 -12.4 4 19 -2.2 -15.0 4 18 -4.9 -22.8 5 22
Marz 0.4 -8.4 25 13 -0.5 -7.1 25 18 -2.3 -10.5 2 23
Apríl -1.5 -7.5 22 19 -1.9 -9.2 18 18 —4.6 -11.2 19 28
Maí 2.1 -4.5 14 9 1.9 -5.3 16 8 0.0 -7.0 16 16
Júní — — — — 2.9 -3.6 16 8 2.4 -4.0 16 9
Júlí — — — — 5.3 -0.8 26 3 5.1 -1.3 28 4
Ágúst — — — — 2.4 -2.5 6 7 2.4 -3.8 15 6
September . . 1.0 -7.3 8 11 -0.8 -9.8 21 17 -0.8 -8.8 9 17
Október . . . 0.4 -8.6 24 12 -0.8 -11.1 23 16 -2.8 -15.2 24 23
Nóvember . . -1.5 -16.3 17 19 -2.8 -16.3 17 20 -5.8 -20.8 18 24
Desember . . -6.5 -14.1 13 30 -7.5 -18.1 13 27 -9.8 -22.6 25 27
Mán. HALLORMSSTAÐUR SKRIÐUKLAUSTUR AKURHÓLL
Janúar .... -2.9 -15.5 31 23
Febrúar.... -3.9 -18.9 5 17 — — — — — — — —
Marz 0.0 -9.8 2 12 — — — — — — — —
Apríl -2.5 -8.7 23 21 -1.6 -7.1 22 21 — — — —
Maí 1.2 -4.7 8 9 2.3 -3.8 8 7 2.1 -2.9 8 9
Júní 2.2 -4.2 2 6 3.5 -4.1 9 2 — — — —
Júlí 5.3 -1.7 29 1 5.9 0.7 29 — — — —
Ágúst 3.4 -3.3 15 4 3.7 -2.6 15 4 2.1 -4.8 28 11
September . . 1.1 -8.3 21 12 1.5 -9.0 21 9 — — — —
Október . . . -0.2 -12.5 24 16 (-0.4) — — (17) -0.8 -8.7 8 17
Nóvember . . -2.8 -17.1 18 19 (-2.9) -13.6 18 (19) -2.8 -20.6 17 18
Desember . . -7.0 -14.0 13 28 -6.9 -15.6 25 29 -10.3 -20.1 13,14,24 29
Snjódýpt (cm) þá daga, sem jörð var alhvít veturinn 1963—1964.
Depth of snow on days with total snow cover during the winter of 1963—1961f.
Keykjavík Hólmur Stardalur
Mánuður Month Meðaltal Mean Mest Most Dag Date Fjöldi daga Number of days Mean Meðaltal Mest Most Dag Date Fjöldi daga Number of days Meðaltal Mean Mest Most Dag Date Fjöldi daga Number of days
IX 1.0 i 25 1
X
XI 7.6 9 20,24 7 18.5 25 20,24 8 29.3 40 20-21 4
XII (2.5) (7) 23 4 1.9 3 9,26 10 4.3 5 9 3
I 2.0 2 30-31 2 2.8 5 30 4 13.2 16 30-31 5
II 5.2 6 2-3 4 14.0 15 2-5 5 26.1 30 3-5 5
III 2.0 3 25 2
IV 8.0 9 16 2 5.2 10 17 5 11.3 16 17 6
IX—IV 5.5 19 8.0 35 17.1 23
Stóri-Botn Andakílsárvirkjun Síðumúli
IX — — — 1
X — — — 1
XI 17.0 20 21-23 5 6.7 7 21-26 7
XII 6.2 7 25,26 5 10.9 25 20-21 11
I 5.5 6 30 2 8.8 18 29 5
II 14.5 15 2-3 4 18.8 22 3-5 5 9.2 10 3-5 5
III 7.0 10 25-26 3
IV 7.7 10 10,17 3 6.5 7 11 2
IX—IV 12.7 14 11.5 11 8.6 34
(108)