Veðráttan

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Veðráttan - 02.12.1975, Blaðsíða 19

Veðráttan - 02.12.1975, Blaðsíða 19
1975 Jaðar. -3.9 1.4 -1.5 1.3 6.0 7.4 KI. Hour 3 6 I..... -3.9 -4.1 II..... 1.8 1.9 III..... -1.7 -1.8 IV..... 0.1 -0.1 V..... 3.2 3.1 VI..... 5.2 5.7 VII..... 7.7 7.8 VIII..... 9.2 9.2 10.5 IX..... 3.1 2.9 3.8 X..... 5.1 4.9 5.2 XI..... 0.4 0.4 0.6 XII..... -2.3 -2.7 -2.6 Ár Year 2.3 2.3 3.1 _________VEÐRATTÁN_________________________Arsyfirlit Hiti. Temperature Bakastig %. Rel. humidity % 12 15 18 21 24 M8'1: 3 6 9 12 15 18 21 24 ??su- Mcan Mean -4.1 -3.9 -4.1 -4.1 -3.9 -4.0----------------------------66 — — 1.9 2.3 2.3 1.8 1.9 1.9 —---------------------------------— -0.5 0.3 -0.5 -1.4 -1.3 -1.1--------------------------------------— 2.9 3.6 2.8 1.1 0.3 1.5--------93-------------94 — — 8.2 8.7 7.8 6.0 4.1 5.9--------87-------------92 — — 8.9 9.1 8.7 7.6 5.8 7.3--------76-------------80 — — 9.5 11.1 11.9 11.6 10.0 8.5 9.8--------82-------------81 — — 11.7 12.9 12.3 10.3 9.3 10.7--------82-------------85 — — 5.9 7.0 6.0 4.2 3.3 4.5--------89-------------82 — — 6.6 7.2 6.1 5.4 5.3 5.7--------82-------------82 — — 0.8 0.8 0.4 0.3 0.3 0.5--------------------------------------— -2.3 -2.5 -2.6 -2.7 -2.8 -2.6--------------------------------------— 4.3 4.8 4.2 3.2 2.6 3.3-------------------------------------------— Haell. Hiti. Temperature Kl. Hour 3 6 9 12 15 18 21 24 ^5^ I..... -3.9 -3.8 -3.6 -3.3 -3.8 -3.7 -3.8 -3.3 -3.6 II..... 1.7 1.7 1.8 2.2 2.5 2.2 2.0 1.9 2.0 III..... -1.1 -1.2 -1.0 0.2 0.7 0.1 -0.5 -0.7 -0.4 IV..... 0.6 0.5 1.3 3.7 4.1 3.2 2.0 0.5 2.0 V..... 3.3 3.7 5.8 8.0 8.8 8.1 6.4 4.3 6.1 VI..... 6.0 6.2 7.7 9.4 9.5 9.2 8.3 6.7 7.9 VII..... 8.2 8.4 9.3 11.2 11.9 11.3 10.1 8.8 9.9 VIII..... 9.3 8.9 10.0 11.8 12.8 12.0 10.4 9.6 10.6 IX..... 3.7 3.4 3.9 6.1 7.4 6.5 4.5 3.7 4.9 X..... 5.1 5.3 5.3 6.4 7.4 6.5 5.6 5.6 5.9 XI..... 0.8 0.7 0.8 1.0 1.0 0.7 0.3 0.5 0.7 XII..... -1.8 -2.1 -1.9 -1.9 -1.9 -2.2 -2.5 -2.3 -2.1 Ar Year 2.7 2.6 3.3 4.6 5.0 4.5 3.6 3.0 3.6 Rakastig %. Rél. humidity % 6 9 12 15 18 21 24 Keflavík. llili. Temperature Kakastlg %. 3 6 9 12 Rel. humidity 15 18 21 24 % Kl. Hour 3 6 9 12 15 18 21 24 MSlt. Mean MSlt. Mean I..... -2.5 -2.4 -2.1 -2.3 -2.1 -2.4 -2.6 -2.4 -2.4 80 79 78 77 79 79 77 78 78 II..... 2.7 2.7 2.9 3.2 3.6 3.4 3.3 2.9 3.1 88 87 88 87 85 89 90 89 88 III..... 0.5 0.5 0.5 1.2 1.8 1.5 0.8 0.7 0.9 89 88 87 85 83 85 88 89 87 IV..... 1.6 1.4 2.3 3.5 4.1 3.6 2.4 1.7 2.6 90 91 86 82 79 82 86 92 86 V..... 4.5 4.5 5.6 6.7 7.4 6.9 6.0 5.0 5.S 90 90 85 80 78 79 85 89 84 VI..... 6.2 6.4 7.5 8.4 8.8 8.9 8.1 7.1 7.7 91 90 83 79 77 77 82 87 83 VII..... 8.0 8.0 9.0 9.8 10.5 10.3 9.3 8.5 9.2 92 91 87 82 77 79 86 90 85 VIII..... 8.9 8.9 9.7 10.6 11.0 11.1 10.0 9.3 9.9 94 93 89 87 83 85 91 92 89 IX..... 4.9 4.5 5.2 6.8 7.2 7.0 5.7 5.1 5.8 88 86 84 76 74 77 83 85 81 X..... 6.0 6.1 6.1 7.1 7.5 7.0 6.2 6.3 6.5 91 90 91 87 85 87 92 92 89 XI..... 2.2 2.3 2.1 2.3 2.8 2.7 2.1 2.0 2.3 89 89 93 88 86 83 86 90 88 XII..... 0.1 0.2 0.6 0.5 0.3 0.0 -0.1 0.0 0.2 85 84 83 84 84 80 85 87 84 Ár Year 3.6 3.6 4.1 4.8 5.2 5.0 4.3 3.8 4.3 89 88 86 83 81 82 86 88 85 Meðalrakastig á hverjum athugunartíma er retknað með þvi að taka hlutfalllö mllli meðalraka- þrýstings og mettunarþrýstings við meðalhitastig athugunartimans. Rakastig mánaðarlns er á sama hátt miðað við hlutíall milli meðalrakaþrýstings í mánuðinum og mettunarþrýstings við meðalhita mánaðarins. Ársmeðaltöl eru bein meðaltöl af rakastigum mánaðanna. Relative humidity at fixed hours and mean monthly values are computed according to the joi ¦ mula U = e/em ¦ 100 where e and e^ stand for mean vapour pressure and saturation vapour pres- sure at the respective mean temperature. The yearly mean is arithmetic mean of the monthly values for relative humidity. .(115)

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