August Summary

Above average temperature, below average rainfall and less windy than average.

  • August was above my average temperature of 7.4C with 8.4C ,the 4th warmest August I've recorded.
    • The warmest August was 2013 with 9.4C, the coolest, 2000 with 5.3C.
    • The warmest temperature was 20.2C, the warmest August temperature I've recorded is 23.8 in 2002.
    • The coldest temperature was -3.1C. The lowest August temperature I've recorded was in 2000 and 2001 with -4.9C.
    • Three air frosts were recorded (air temperature 0C or below), my average is 7.
    • Eight days failed to reach or exceed 10C, equalling my average.
    • Thirteen days reached or exceeded 15C, my average is 7.
    • Two days reached or exceeded 20C, my average is 1. Both 2009 and 2015 also had 2 days that reached or exceeded 20C.
  • Wind run was 85% of my average of 4254km with 3595km. The windiest August I've recorded was 2004 with 5654km. The least windy August was 2014 with 3248km.
  • The barometer recorded below average pressure for the month with 1010.1hPa. My average is 1012.5hPa.
  • Rainfall was 83% of my average expected total of 74mm with 61mm. 2017 rainfall total is above my long term average.
    • The driest August is 2005 with 15.4mm, the wettest is 2004 with 172.4mm.
August 2017 Summary
Temperature
Mean 8.4 C
Mean Maximum 14.2 C
Mean Minimum 3.4 C
Maximum High 20.2 C (17th)
Maximum Low 10.0 C (28th)
Minimum High 7.8 (14th)
Minimum Low -3.1 C (4th and 22nd)
Wind Speed and Direction
Maximum Gust 50 km/h (12th)
Mean 5.1 km/h
Wind Run 3595 km
Max Daily Windrun 289 km (14th)
Prevailing Direction East North East
Barometer
Maximum 1030.1 hPa (4th)
Minimum 986.8 hPa (17th)
Mean 1010.1 hPa
Max Daily Change +15.8 hPa (21st)
Rainfall
Days with Measured Rainfall
(0.5mm or more)
13
Max Daily Rainfall 31.5 mm (14th)
Monthly Rainfall 61.0 mm
Humidity
Maximum 100 % (Several days)
Minimum 35 % (12th)

 

August Daily Observations
TemperatureWindRainfallBarometer
DateMinMaxMeanMean
(Km/h)
Gust
(Km/h)
Run (km)Prevailing Dir10 Minute Max (mm)Total (mm)Min (hPa)Max (hPa)Change (hPa)
1 4.1 13.3 8.0 3.5 16 79 West 0 0 1016.4 1024.9 +8.5  
Mostly cloudy with occasional drizzle. Variable light winds tending westerly. 
2 2.3 9.6 5.4 2.4 22 55 West 0.5 0.5 1022.8 1025.6 -2.8  
Broken cloud with a few light showers from midday, light winds tending westerly.
3 1.1 9.4 4.5 2.5 22 58 South Sth West 0.5 1.0 1024.4 1028.6 +4.2  
Showers clearing by early morning and cloud breaking with a mostly sunny morning. Cloud returning in the afternoon, cool southerly breeze.
4 -3.1 9.1 3.6 3.6 24 81 East Nth East 0 0 1027.5 1030.1 -2.6  
Morning frost. Clear and sunny with a cold NE wind from mid morning.
5 0.9 11.2 6.2 7.5 42 173 East Nth East 0 0 1018.5 1028.6 -10.1  
Morning cloud breaking to mostly sunny afternoon with cool NE winds freshening.
6 7.4 18.1 10.7 7.4 32 168 East Nth East 0.5 1.0 1008.4 1018.3 -9.9  
Early showers clearing by dawn. Cloudy morning with a shower around midday, then a sunny and mild afternoon. Variable winds tending NE. Warmest day since the 12th June.
7 4.6 20.0 11.7 2.7 18 60 East Nth East 0 0 1012.3 1019.7 +7.4  
Sunny and mild in the afternoon. Variable breezes turning NE later in the afternoon.
8 6.7 14.2 10.2 3.6 19 83 East Nth East 0 0 1006.1 1019.0 -12.9  
Overcast with light afternoon showers, light winds tending NE.
9 5.4 9.6 7.5 2.8 29 64 South Sth West 0.5 5.5 993.8 1006.5 -12.7  
Morning mist / fog. Overcast and cool with variable light winds tending southerly. Light rain in the afternoon, heavier showers in the evening.
10 5.2 14.6 8.2 0.7 12 16 East Nth East 0.5 0.5 990.8 994.4 -3.6  
Thick fog clearing by midday, variable light breezes tending NE in the afternoon. 0.5mm of rain from fog condensation.
11 1.6 16.6 8.4 3.7 20 84 East Nth East 0.5 0.5 991.8 995.9 +4.1  
Cloud breaking, variable breezes in the morning turning NE in the afternoon.
12 5.3 19.3 11.8 5.9 50 135 North Nth West 0.5 0.5 992.1 996.3 +4.2  
Mostly sunny with some high cloud at times, mild northerly winds in the afternoon. Late evening shower.
13 4.8 16.4 10.0 4.3 39 99 South Sth West 0.5 0.5 993.3 1005.6 +12.3
Cloud breaking in the morning with sunny periods for a while. Overcast in the afternoon with showers in the evening.
14 4.1 7.8 6.0 12.6 44 289 South West 1.0 31.5 1001.8 1005.9 -4.1
Overcast with rain from early morning easing from midday with drizzle into the evening. Cold southerly winds. Maximum temperature recorded at midnight before the rain started.
15 1.0 9.9 5.5 7.4 37 170 South West 0 0 1000.7 1004.2 +3.5  
Cloudy with sunny intervals, southerly winds dying away in the evening.
16 0.3 11.4 6.2 5.6 31 128 East Nth East 0.5 0.5 996.3 1006.6 -10.3  
Some morning cloud then sunny with NE wind. 0.5mm of rain recorded from condensation.
17 9.3 20.2 14.0 8.9 36 204 East Nth East 0 0 986.8 996.5 +9.7  
Cloud clearing to a sunny day with mild northerly winds from later in the morning.
18 3.9 19.3 10.7 2.9 16 66 East Nth East 0 0 990.0 996.4 -6.4  
Morning cloud breaking to a mostly sunny afternoon with light winds tending NE.
19 0.7 12.1 6.6 5.3 24 121 South West 1.5 13.5 986.9 990.5 +3.6  
Morning frost then sunny with high cloud. Cloud increasing from afternoon with a period of rain, heavy at times from late afternoon. Cool southerly winds.
20 6.4 9.5 7.8 11.2 35 255 South West 0.5 5.0 990.5 1000.5 +10.0  
Overcast and cool with drizzle and light rain more frequent from late afternoon. Southerly winds.
21 -0.3 9.9 5.9 10.3 40 237 South Sth West 0.5 0.5 1000.5 1016.3 +15.8  
Morning showers clearing. Variable cloud, cool southerly winds.
22 -3.1 13.9 5.0 2.3 17 51 East Nth East 0 0 1016.5 1022.8 +6.3  
Morning frost, clear and sunny with light breezes tending NE from mid afternoon.
23 1.8 13.8 7.6 5.0 26 113 East Nth East 0 0 1020.8 1023.7 -2.9  
Clear and sunny, cool NE wind.
24 0.2 18.5 8.6 2.2 20 50 South Sth West 0 0 1022.2 1025.5 +3.3  
Morning frost then clear and sunny with light southerly winds turning NE form mid afternoon.
25 0.5 18.1 8.5 2.3 20 51 East Nth East 0 0 1022.2 1025.4 -3.2  
Morning frost, sunny with light NE winds.
26 3.2 15.1 8.7 1.7 15 38 East Nth East 0 0 1020.0 1024.6 -4.6
Overcast with high cloud, light NE breezes.
27 3.1 18.8 11.1 4.0 26 90 East Nth East 0 0 1010.4 1019.7 -9.3  
Mild from late morning with variable high cloud, light NE winds.
28 10.0 15.5 12.3 8.4 34 191 East Nth East 0 0 1003.1 1010.2 -7.1  
Variable cloud, cool NE winds.
29 4.0 19.9 11.1 4.3 29 97 South West 0 0 1005.7 1018.2 +12.5  
Some high cloud but mostly sunny and mild from late morning with variable breezes tending south west.
30 6.7 14.0 9.3 2.3 17 51 East Nth East 0 0 1013.6 1017.7 -4.1  
Overcast and cool with variable light winds tending NE in the afternoon.
31 7.2 10.6 8.7 9.9 34 225 South West 0 0 1013.5 1017.7 +4.2  
Overcast with drizzle at times, southerly winds.


August 2017  Temperature Graph
August 2017 Wind Dir Graph
August 2017 Wind Dir Graph
August 2017 Wind Speed Graph
August 2017 Rainfall Graph
August 2017 Barograph
August 2017 Humidity Graph