July 2004 Review

[Paul Gilliver]

MONTHLY SUMMARY July, 2004

MEAN MAXIMUM TEMPERATURE 20.5c

MEAN MAXIMUM TEMPERATURE ANOMALY -0.4c

MEAN MINIMUM TEMPERATURE 11.7c

MEAN MINIMUM TEMPERATURE ANOMALY -0.5c

MEAN TEMPERATURE 15.9c

MEAN TEMPERATURE ANOMALY -0.1c

HIGHEST MAXIMUM TEMPERATURE 28.9c on the 29th

LOWEST MAXIMUM TEMPERATURE 15.8c on the 11th

HIGHEST MINIMUM TEMPERATURE 16.7c on the 28th

LOWEST MINIMUM TEMPERATURE 6.2c on the 13th

MAXIMUM DAILY RANGE 14.7c on the 6th

MINIMUM DAILY RANGE 2.1c on the 8th

TOTAL RAINFALL 39.1mm

PERCENTAGE OF AVERAGE 75.40%

NUMBER OF DAYS WITH 0.2 OR MORE 21

NUMBER OF DAYS WITH 1mm OR MORE 8

GREATEST 24 HOUR FALL 14.5mm on the 8th

FALLS OF 25mm OR MORE IN 24 HOURS 0

AIR MINIMUM BELOW 0.00 0

GROUND FROST 0

SLEET OR SNOW OBSERVED TO FALL 0

50% SNOW COVER MORNING OBSERVATION 0

HAIL UNDER 5mm DIAMETER 0

HAIL 5mm DIAMETER OR MORE 0

VISIBILITY BELOW 1000mtr 0

DAYS WHEN THUNDER HEARD 1

DAYS WITH 10 MIN WIND SPEED 39mph OR MORE 0

WIND BETWEEN

N 0

NE 4

E 0

SE 3

S 0

SW 13

W 8

NW 3

CALM 0

MEAN WINDSPEED 3.2 m.p.h

GREATEST WIND GUST 32 m.p.h on the 7th

GUSTS OF 50mph OR MORE 0

HUMIDITY AT MORNING OBSERVATION 76.00%

RAINFALL DURATION 22.25 hours

AIRFROST DURATION 0

MEAN BAROMETER PRESSURE 1012.65 mb

HIGHEST BAROMETER PRESSURE 1023.6 mb on the 24th

LOWEST BAROMETER PRESSURE 1002.8 mb on the 2nd

[Andy Bown]

These are my stats for July 2004. I have compared them to July 2003 to show that this year has been cooler :!:

Average Max = 21.4c (2003 = 22.3c) Almost 1c cooler

Average Min = 12.1c (2003 = 13.6c) 1.5c cooler

Mean = 16.75c (2003 = 17.9c) 1.15c cooler

Highest = 27c on 29th (2003 = 33c on 14th)

Lowest = 6c on 5th and 6th (2003 = 10c on 6th and 11th)

Dry days = 12 (1 less than 2003 but this inc. 12 in a row)***

Rain days = 19 (1 more than 2003)

***Longest dry spell this July was just 3 days :shock: :shock:

[paul tall]

Here is mine, my figures are compared to the Durham 1971-2000 average.....

Mean maximum temperature 19.0ºC

Mean maximum temperature anomaly -0.8ºC

Mean minimum temperature 11.6ºC

Mean minimum temperature anomaly +0.9ºC

Mean temperature 15.3ºC

Mean temperature anomaly 0.0ºC

Highest maximum temperature 25.8ºC 29th

Lowest maximum temperature 12.6ºC 8th

Highest minimum temperature 16.1ºC 30th

Lowest minimum temperature 8.2ºC 26th

Days above 18ºC 19

Days above 20ºC 12

Days above 25ºC 1

Days below 0ºC 0

Total rainfall 61mm

Total rainfall anomaly +17mm

Rain days >1mm 13

Rain days >1mm anomaly +4.6 days

Wettest day 21mm 0900 4th - 0900 5th

Thunder days 2

Average humidity 76.5%

Minimum humidity 40% 18th July

Average pressure 1015.68 mb

High windgust 26.3 km/h 7th July.

[Shanice]

Report for July 2004 At Pollard's Hill, Surrey

July Max Temp Avg: 23.45c (Highest 29.5c 29th)

July Max Temp 1991-2003 Avg: 23.97c (Highest 32.2c on 12-7-1994 & 29-7-2002)

July Min Temp Avg: 13.6c (Lowest 9.8c on the 5th)

July Min Temp Avg 1991-2003: 14.24c (Lowest 7.9c 10-7-1993)

July 2004 Temp Mean: 18.52c

July Mean Temp Avg 1991-2003: 19.1

Rainfall for July 2004: 46mm (Highest 24hrs 15mm on the 7th)

July Rainfall Avg 1993-2003: 37.27mm (Highest 24Hrs 31mm on 31-7-2002)

2004 So Far....

Highest Day 2004 Max Temp: 30.8c on 8th June

Lowest Night 2004 Min Temp: -3.4c on 27th February

Total Rainfall for 2004: 341mm (Highest 24hrs 15mm on 7th of July)

[johnholmes]

hello

here with figs for Doncaster, figs in brackets are long term averages

Absolute Max=27.9C in 2003 it was 28.3C

Average max=21.2C(21.0C) for 2003=22.4C

Average min=12.3C(11.5C) for 2003=13.8C

Mean=16.7C(16.2C) for 2003=18.1C

days with rain=23(12)

days with thunder=5(3)