Linton On Ouse, 12:00 to 14:00, 1997–2017
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Met Office station 346: Linton On Ouse, North Yorkshire  (YO6 2); OS grid reference: SE 491612.
Coordinates:  N54°02'42" W1°15'00"  (54.045 -1.250), elevation 14 m.
Note: gusts not recorded in 4 out of the 21 years, 0.4% of daylight visibility records missing.

This is the analysis for the average of 21 years  (1997–2017).
Time slot: 12:00 to 14:00  (two hours); click below for any-hour analysis, or a different start time, or for whole day analysis (all times are GMT):

any-hour  06:00  08:00  10:00  12:00  14:00  16:00  18:00  all-day

‘Flyable days’ analysis

This is the number of days in each month, on average, for which (in this timeslot) the visibility was adequate, and there was no bad weather, and the wind speed was less than or equal to that shown on the left.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Total
≤ 5 mph 3 2 2 3 2 3 3 3 3 2 2 3  30  8%
≤ 10 mph 7 6 7 8 8 10 9 9 9 7 6 8  93  25%
≤ 15 mph 13 12 15 16 17 19 19 18 17 16 14 14  189  52%
≤ 20 mph 15 16 18 20 21 22 23 22 21 19 16 17  230  63%
≤ 30 mph 17 18 20 21 23 22 24 23 22 21 17 19  248  68%
≤ 40 mph 18 19 21 22 23 23 24 24 23 21 18 19  256  70%
any wind 19 19 22 22 23 23 24 24 23 22 19 20  259  71%
‘Total’ shows the total flyable days, on average, in a year, and the same as a percentage.

Trend analysis

This is the average change (per year, over the 21 years) in the average number of days in each month for which (in this timeslot) the visibility was adequate, and there was no bad weather, and the wind speed was less than or equal to that shown on the left.

For example, if a value of +0.5 is shown for a given month then that implies that since 1997 the number of flyable days in that month has increased by (on average) half a day per year.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Total
≤ 5 mph −0.1       −0.1   −0.1 −0.1   −0.1 −0.1 −0.1 −0.7
≤ 10 mph −0.2 +0.1 +0.1   −0.3 +0.2 −0.2 −0.3 −0.1       −0.7
≤ 15 mph −0.1 +0.1   +0.1 −0.2 +0.1 −0.2 −0.4 +0.1 −0.1     −0.7
≤ 20 mph −0.1   −0.1 +0.1   +0.1 −0.1 −0.2 +0.1 −0.1 +0.1   −0.2
≤ 30 mph −0.1 −0.1   +0.1   +0.1 −0.1 −0.2 +0.1 −0.2 +0.1 +0.1 −0.3
≤ 40 mph −0.1 −0.1 +0.1 +0.2   +0.1 −0.1 −0.1 +0.1 −0.1 +0.2 +0.1 +0.3
any wind     +0.1 +0.2   +0.1 −0.1 −0.1 +0.1 −0.1 +0.2 +0.2 +0.5
Empty cells indicate negligible change; ‘Total’ shows the sum of the trends over the whole year.

Visibility analysis

This is the number of days in each month, on average, for which (in this timeslot) the visibility was adequate. That is, for the entire timeslot:
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Total
Good days 24 24 27 28 29 28 29 29 27 26 24 24  320  88%

Bad weather analysis

This is the number of days in each month, on average, for which (in this timeslot) no bad weather occurred. That is, for the entire timeslot, there was no rain, hail, snow, snow on the ground, icing conditions, thunderstorms, etc.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Total
Good days 22 21 24 23 24 23 24 24 24 24 22 24  280  77%

Wind speed analysis

This is the number of days in each month, on average, for which (in this timeslot) the maximum (gust) wind speed was less than or equal to the value shown on the left.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Total
≤ 5 mph 5 3 3 3 3 4 4 4 4 3 4 6  46  12%
≤ 10 mph 13 9 10 11 11 12 12 12 12 10 12 14  136  37%
≤ 15 mph 22 18 21 22 22 24 25 24 22 22 22 23  267  73%
≤ 20 mph 26 23 26 27 28 29 30 29 27 27 26 27  323  88%
≤ 30 mph 28 27 29 29 30 29 31 30 29 30 28 29  349  95%
≤ 40 mph 30 28 30 30 31 30 31 31 30 31 29 30  361  99%

Please send any comments, questions, or corrections to me, Mike Cowlishaw, at mfc@speleotrove.com.

All text Copyright © Mike Cowlishaw 2008, 2018. All rights reserved. The pages and data here are for non-commercial use only.
This page was last edited on 2018-02-09.