Linton On Ouse, any hour sunrise to sunset, 1997–2015
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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 3 out of the 19 years, 0.3% of daylight visibility records missing, 0.2% of daylight wind records missing.

This is the analysis for the average of 19 years  (1997–2015).
Time slot: sunrise to sunset  (any daylight hour); click below on the start time for a specific 2-hour slot, or on all-day 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 some daylight hour) 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 Hours
≤ 5 mph 11 10 14 17 19 23 24 22 19 15 11 11  196  54%  795  16%
≤ 10 mph 20 19 23 26 28 29 30 29 27 25 20 19  295  81%  1882  38%
≤ 15 mph 25 23 28 29 31 30 31 31 29 29 24 24  333  91%  2940  60%
≤ 20 mph 26 25 29 29 31 30 31 31 29 29 26 25  342  94%  3257  66%
≤ 30 mph 27 26 30 30 31 30 31 31 29 30 26 26  345  94%  3385  69%
≤ 40 mph 27 26 30 30 31 30 31 31 29 30 26 26  346  95%  3431  70%
any wind 27 26 30 30 31 30 31 31 29 30 26 26  346  95%  3446  70%
‘Total’ shows the total flyable days, on average, in a year, and the same as a percentage.
‘Hours’ shows the total flyable hours, on average, in a year, and the same as a percentage of total daylight hours.

Trend analysis

This is the average change (per year, over the 19 years) in the average number of days in each month for which (in some daylight hour) 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 −0.3     −0.1 −0.2 +0.1   −0.3 −0.1 −0.2 −0.1 −0.1  −0.1
≤ 10 mph   +0.1   +0.1   +0.1 +0.1 −0.1 +0.1   −0.1 −0.2   
≤ 15 mph       +0.1           −0.1 −0.1     
≤ 20 mph   −0.1             +0.1         
≤ 30 mph   −0.1             +0.1     +0.1   
≤ 40 mph +0.1 −0.1             +0.1     +0.1   
any wind +0.1 −0.1             +0.1     +0.1   
Empty cells indicate negligible change; ‘Total’ shows the average trend over the whole year.

Visibility analysis

This is the number of days in each month, on average, for which (in some daylight hour) the visibility was adequate. That is, for the entire hour:
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Total
Good days 29 27 30 30 31 30 31 31 30 30 27 28  353  97%

Bad weather analysis

This is the number of days in each month, on average, for which (in some daylight hour) no bad weather occurred. That is, for the entire hour, 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 29 27 31 30 31 30 31 31 30 31 29 29  359  98%

Wind speed analysis

This is the number of days in each month, on average, for which (in some daylight hour) 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 11 10 14 17 19 23 24 22 19 15 11 11  196  54%
≤ 10 mph 20 19 23 26 28 29 30 29 27 25 20 19  295  81%
≤ 15 mph 25 23 28 29 31 30 31 31 29 29 24 24  333  91%
≤ 20 mph 26 25 29 29 31 30 31 31 29 29 26 25  342  94%
≤ 30 mph 27 26 30 30 31 30 31 31 29 30 26 26  345  94%
≤ 40 mph 27 26 30 30 31 30 31 31 29 30 26 26  346  95%

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

All text Copyright © Mike Cowlishaw 2008, 2017. All rights reserved. The pages and data here are for non-commercial use only.
This page was last edited on 2017-01-01.