Linton On Ouse, 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, 0.4% 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  (all daylight hours); click below on any-hour, or on the start time for a specific 2-hour slot (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 all daylight hours) 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 1 0 0 0 0 0 0 0 0 0 1 1  4  1%
≤ 10 mph 3 1 2 2 2 2 2 3 3 2 3 4  29  8%
≤ 15 mph 6 5 6 7 7 9 8 8 8 7 7 8  87  24%
≤ 20 mph 8 8 8 9 9 12 11 11 10 9 9 10  115  32%
≤ 30 mph 10 9 10 11 11 12 12 13 12 11 10 12  132  36%
≤ 40 mph 10 10 11 12 12 12 12 13 12 11 10 13  138  38%
any wind 11 10 11 12 12 12 12 13 12 12 10 13  140  38%
‘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 19 years) in the average number of days in each month for which (in all daylight hours) 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   
≤ 10 mph −0.1 +0.1     −0.2     −0.1 −0.1     −0.1   
≤ 15 mph −0.1 +0.1 −0.1 +0.1 −0.1 +0.1 +0.1 −0.1 +0.1   −0.1 −0.1   
≤ 20 mph −0.1 +0.1 −0.1 +0.1 −0.1 +0.1 +0.2   +0.1 −0.1 −0.1 −0.2   
≤ 30 mph −0.2   −0.2 +0.1 −0.1 +0.1 +0.3 +0.1 +0.1 −0.2   −0.1   
≤ 40 mph −0.1     +0.2   +0.1 +0.3 +0.1 +0.1 −0.2       
any wind       +0.2   +0.1 +0.3 +0.1 +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 all daylight hours) the visibility was adequate. That is, for the entire day:
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Total
Good days 19 18 19 19 21 19 19 20 18 19 18 20  230  63%

Bad weather analysis

This is the number of days in each month, on average, for which (in all daylight hours) no bad weather occurred. That is, for the entire day, 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 15 13 16 17 16 15 16 17 18 17 15 17  192  53%

Wind speed analysis

This is the number of days in each month, on average, for which (in all daylight hours) 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 3 1 1 1 0 0 0 0 1 1 2 4  14  4%
≤ 10 mph 9 6 6 5 4 5 5 6 8 7 9 11  80  22%
≤ 15 mph 19 14 17 17 18 19 20 20 19 19 19 20  221  61%
≤ 20 mph 24 20 22 23 25 27 27 26 24 25 24 25  292  80%
≤ 30 mph 27 25 27 28 28 29 30 30 28 29 27 28  335  92%
≤ 40 mph 29 27 30 29 31 30 31 31 30 30 29 30  356  98%

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.