Veðráttan - 02.12.1987, Blaðsíða 27

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VEÐRÁTTAN
Ársyfirlit
Meðalhiti (C°) á athugunartímum í Reykjavík 1951-1980.
(Mean temperature at obs.hours).
Jan. Feb. Mars Apríl Maí Júní Júlí Ágúst Sept. Okt. Nov. Des.
-0.6 0.0 0.4 2.1 4.7 7.6 9.3 9.0 6.9 4.3 1.5 -0.1
-0.6 -0.1 0.2 1.9 4.7 7.7 9.3 8.7 6.7 4.2 1.4 -0.1
-0.6 -0.1 0.4 2.8 6.3 9.1 10.6 10.0 7.2 4.2 1.5 -0.1
-0.5 0.6 1.6 4.3 7.7 10.2 11.7 11.5 9.0 5.5 1.8 0.0
-0.1 1.2 2.4 4.9 8.3 10.7 12.3 12.2 9.6 6.2 2.2 0.1
-0.4 0.7 2.1 4.6 8.1 10.5 12.2 12.0 9.3 5.6 1.7 0.0
-0.6 0.2 1.0 3.5 7.1 9.7 11.3 11.0 8.0 4.7 1.5 -0.1
-0.6 0.1 0.6 2.6 5.7 8.5 10.2 9.7 7.2 4.4 1.5 -0.2
Meðalrakastig (%) á athugunartímum í Reykjavík 1951-1980.
(Mean humidity at obs. hours)
Jan. Feb. Mars Apríl Maí Júní Júlí Ágúst Sept. Okt. Nóv. Des.
79 79 79 82 82 85 87 87 85 83 80 79
79 80 79 82 82 85 87 87 85 83 80 80
79 80 79 80 76 78 81 83 83 83 80 80
78 79 76 75 70 73 76 76 77 79 80 80
78 78 74 74 68 72 74 74 75 77 79 80
79 79 76 75 70 73 76 76 76 79 80 79
79 79 79 80 75 77 79 80 82 82 80 80
79 79 79 82 80 82 84 85 84 83 80 79
Meðalvindhraði (í hnútum) á athugunartímum í Reykjavík 1951-1980.
(Mean wind speed (knots) at obs. hours).
Jan. Feb. Mars Apríl Maí Júní Júlí Ágúst Sept. Okt. Nóv. Des.
13.8 13.6 13.3 11.7 8.9 8.3 7.6 7.9 10.1 11.9 13.2 13.8
14.0 13.4 13.4 11.7 9.0 8.4 7.4 7.9 10.0 12.1 13.0 14.0
13.7 13.5 13.1 12.1 10.5 10.2 8.8 8.7 10.4 11.9 12.8 14.0
14.0 13.8 13.9 13.6 12.6 12.2 10.9 11.1 11.8 12.6 13.0 14.0
13.9 14.2 14.4 14.4 13.6 13.3 12.4 12.6 12.8 13.1 13.1 13.6
14.0 13.8 13.8 13.7 13.4 12.8 11.8 12.2 12.2 12.5 12.8 13.5
14.0 13.7 13.0 12.2 11.1 10.9 10.0 10.1 10.3 12.3 12.8 13.3
13.7 13.5 13.0 11.8 9.3 8.7 8.0 8.6 10.2 12.3 13.0 13.5
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