Linton On Ouse, 18:00 to 20:00, 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 6 out of the 21 years, 0.4% of daylight visibility records missing, 0.5% of daylight wind records missing.

This is the analysis for the average of 21 years  (1997–2017).
Time slot: 18:00 to 20:00  (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 0 0 0 0 2 2 2 2 0 0 0 0  8  2%
≤ 10 mph 0 0 0 2 10 12 13 8 0 0 0 0  45  12%
≤ 15 mph 0 0 0 3 23 23 26 15 0 0 0 0  90  25%
≤ 20 mph 0 0 0 4 26 25 27 16 0 0 0 0  98  27%
≤ 30 mph 0 0 0 4 27 25 28 17 0 0 0 0  100  27%
≤ 40 mph 0 0 0 4 27 26 28 17 0 0 0 0  101  28%
any wind 0 0 0 4 27 26 28 17 0 0 0 0  101  28%
‘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         −0.2
≤ 10 mph         −0.3   −0.4 −0.1         −0.7
≤ 15 mph         −0.1 +0.1   −0.1         −0.2
≤ 20 mph           +0.1   −0.1         −0.1
≤ 30 mph           +0.1   −0.1          
≤ 40 mph           +0.1             +0.1
any wind           +0.1             +0.1
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 0 0 0 4 30 28 30 18 0 0 0 0  110  30%

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 26 24 28 27 28 26 28 28 27 27 26 26  322  88%

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 7 6 4 3 2 3 3 4 6 7 6 7  56  15%
≤ 10 mph 16 14 16 13 12 14 15 16 19 19 18 16  189  52%
≤ 15 mph 24 21 26 26 26 27 29 28 28 27 25 25  313  86%
≤ 20 mph 27 25 29 29 30 30 30 31 29 30 28 28  345  94%
≤ 30 mph 30 27 30 30 31 30 31 31 30 30 29 29  358  98%
≤ 40 mph 31 28 31 30 31 30 31 31 30 31 30 30  363  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.