Veðráttan - 02.12.1966, Síða 14

Ársyfirlit
VEÐRÁTTAN
1966
Lágmarksmœlingar við jörð, C°. Grass minimum temperature, C°.
Mán. Month REYKJAVIK HÓLMUR HVANNEYR1
M M 08 e « 3 8 K> O) s al s 1 Dag Date Fjöldi frostnótta Number of nights with frost H s f g í* IO 01 s Lægst Lowest Dag Date Fjöldi frostnótta Number of nights with frost M eJ E s ■3 8 jjj* S a| s 1 Dag Date Fjöldi frostnótta Number of nights with frost
I . . . . -5.5 -22.3 24 23 -5.9 -21.6 24 25 -8.2 -25.0 24 25
II ... . -6.1 -13.5 25 25 -6.9 -13.5 10,20,25 26 -9.2 -17.7 10 26
III ... . -3.9 -13.9 31 25 -5.5 -19.5 31 25 -7.3 -23.5 24 28
IV ... . — — — — -2.1 -12.6 1 20 -3.5 -16.8 1 23
V . . . . — — — — 0.5 -7.0 8 13 -0.9 -9.9 8 17
VI ... . — — — — 5.3 -2.1 11 1 4.6 -4.0 11 3
VII ... . — — — — 5.4 -1.7 29 4 4.7 -4.0 29 5
VIII .... — — — — 4.2 -2.5 20 5 3.3 -4.6 21 8
IX ... . — — — — 3.0 -6.7 8 8 2.1 -8.2 13 9
X . . . . — — — — -4.5 -12.6 5 24 -5.7 -13.7 15 26
XI ... . — — — — -5.2 -18.1 30 25 -5.8 -18.9 16 22
XII ... . — — — — -7.0 -18.0 3 28 -7.8 -19.0 3 27
REYKHÓLAR HÓLAR f HJALTADAL VAGLIR II
I. ... -6.9 -19.2 20 35 -9.4 -25.6 25 26
II.... — — — — -9.1 -18.0 25 27 -12.4 -25.7 12 28
III.... -5.7 -18.0 24 25 -7.0 -17.7 25 29 -10.3 -22.6 25 30
IV ... . -2.8 -14.7 1 24 -4.0 -15.2 1 24 -6.2 -21.6 2 27
V . . . . 1.0 -5.0 9 9 -0.3 -9.8 9 13 -2.0 -15.0 9 19
VI ... . 5.5 2.1 14 5.0 0.1 4 3.8 -3.9 5 5
VII ... . 5.8 1.6 14 5.5 -1.8 26 2 5.7 -0.1 28 1
VIII .... 3.6 -4.6 21 2 3.4 -3.0 10 7 2.5 -3.7 12 9
IX ... . 1.6 -1.3 2 2 1.6 -6.5 13 9 0.7 -7.4 10 11
X . . . . -1.4 -7.9 26 21 -4.2 -11.7 24 26 -5.5 -15.8 6 27
XI ... . -4.6 -12.2 28 25 -5.0 -16.6 17 22 -6.6 -18.3 29 25
XII ... . -6.3 -15.7 3 28 -6.9 -20.2 25 30 -8.5 -22.6 25 31
HALLORMSSTAÐUR SKRIÐUKLAUSTUR JÖKULHEIMAR
I.... -6.2 -21.1 4 25 -5.9 -20.2 4 24
II.... -10.1 -21.3 9 28 -7.7 -17.1 19 28 — — — —
III.... -7.2 -21.4 25 29 -6.5 -18.4 25 30 — — — —
IV ... . -2.5 -16.6 2 15 -2.2 -14.8 2 17 — — — —
V . . . . -0.9 -11.4 9 14 0.2 -9.3 9 11 — — — —
VI ... . 5.5 -3.6 5 1 6.1 -1.8 5 1 1.9 -2.6 14 5
VII ... . 5.9 1.2 12 6.5 2.0 28 2.0 -5.1 30 7
VIII .... 4.0 -2.0 12 3 4.7 0.1 21 0.8 -5.5 22 12
IX ... . 2.3 -5.0 17 6 3.0 -5.3 15 2 — — — —
X . . . . -1.1 -10.8 24 16 -0.6 -9.2 24 16 — — — —
XI ... . -5.2 -16.6 29 26 -4.5 -14.4 17 23 — — — —
XII ... . -6.7 -19.1 25 30 -6.1 -16.4 25 28 — — — —
HVERAVELLIR GRÓÐRARSTÖÐIN, AKUREYR1 SÓLLAND, REYKJAViK
I.... -10.9 -25.9 20 29 -6.9 -21.4 24 24
II.... — — — — — — — — -8.1 -16.9 28 26
III.... -9.8 -23.5 25 30 — — — — -6.2 -19.0 31 28
IV ... . — — — — — — — — -2.0 -11.5 1 20
V . . . . — — — — -1.4 -12.6 9 20 0.3 -10.8 7 12
VI ... . 3.1 -0.3 1 1 4.7 -1.0 5 2 5.9 -2.8 11 3
VII ... . — — — — 6.7 2.8 25 6.2 -2.5 29 3
VIII .... 2.7 -2.1 10 3 3.6 -3.1 22 4 4.6 -4.3 20 4
IX ... . 0.0 -8.3 13 18 1.0 -7.9 10 8 3.9 -7.2 8 4
X . . . . -6.8 -16.2 16 30 -4.6 -14.0 6 26 -4.5 -11.5 15 24
XI ... . -9.9 -19.8 17 29 — — — — -5.3 -13.5 25 26
XII ... . -11.0 -23.1 25 31 — — — — -7.4 -19.3 1 30
Lágmarksmælingar við jörð eru gerðar að morgni, og er því í töflunni tilgreindur fjöldi frostnótta. Þegar taldir eru
írostdagar samkvæmt mælingum i mælaskýlum er hins vegar miðað við allan sólarhringinn. Mælt er í 5 cm hæð yfir jörð.
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