Brisbane, Queensland, Australia, Latitude 27°S 23' 52", Longitude 152° E 55' 35", Elevation 76 m
Wed 17 Aug 2022 6:25:03 pm: Temperature: 14.7 °C, Humidity: 68 %, Wind speed: 0 km/h, Wind Gust: 0 km/h, Rain today: 0.0 mm, MSLP: 1016.5 hPa
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In June at Ferny Grove overnight and daytime temperatures were above average. A very warm night on the 14th was record warm and was 8 ºC above the long term average. Rainfall at Ferny Grove was close to the long term median and was slightly below average. Mean relative humidity was below average, mean dew point was below average and mean air pressure was above average. There were 0 thunderstorms (0 thunder days).
Mean daily minimum temperature: 11.0 ºC, 0.6 ºC above average and 0.1 ºC higher than same month in 2019.
Mean daily maximum temperature: 22.6 ºC, 1.2 ºC above average and 0.1 ºC higher than same month in 2019. This is the second highest on record for June and the highest since the current record high of 22.8 ºC in 2017.
Mean temperature: 16.8 ºC, 0.9 ºC above average, 0.1 ºC higher than same month in 2019. This is the equal highest on record for June and the highest since the current record high of 16.8 ºC in 2017.
Lowest temperature: 5.9 ºC on 26 June 2020 at 5:52 AM. Same month in 2019 was 4.4 ºC.
Highest temperature: 25.8 ºC on 11 June 2020 at 1:22 PM. The same month in 2019 was 27.7 ºC.
Lowest daily maximum temperature: 17.3 ºC on 28 June 2020 at 3:23 PM. This is the highest monthly lowest daily maximum temperature for June since 18.5 ºC in 2015 on 29 June at 3:20 PM. This month in 2019 was 16.3 ºC.
Highest daily minimum temperature: 18.3 ºC on 14 June 2020 at 12:10 AM, 8 ºC above average. This is the highest monthly June daily minimum temperature on record, exceeding the previous record low of 17.6 ºC in 2015 on 1 June at 9:43 PM. This month in 2019 was 14.7 ºC.
Minimum temperatures in June saw two periods of cool nights in the first week of the month returning at the end of the month. The first cool period saw temperatures that were 1 ºC to 2 ºC below average on the 3rd to 9th. This was followed by a 11 day warm period that was mostly between 2 ºC to 5 ºC above average, peaking at 8 ºC above average on the 14th. From the 23rd were cooler nights that were up to 5 ºC below average, though some days were 1 ºC to 2 ºC below average.
June maximum temperatures were predominately above average with most days in the first half of the month above average, which continued during the rest of the month, which was accompanied by some near or below average temperatures. Except for the 2nd at 1 ºC below average and the 4th at near average the first 18 days of the month was above average of 2 ºC to 4 ºC on most days, with some days easing to 1 ºC above average. Some days during the rest of the month were above average that were 2 ºC to 4 ºC above average, along with a few near average or cool days falling as low as 4 ºC below average.
Monthly Mean Minimum Grass Temperature: 9.4 ºC (0.5 ºC higher than same month in 2019).
Lowest Minimum Grass Temperature: 5.3 ºC on 26 June 2020 (5 ºC higher than same month in 2019). This coincided with the lowest minimum air temperature of 5.9 ºC for the month.
Highest Minimum Grass Temperature: 16.9 ºC on 14 June 2020 (3.9 ºC lower than same month in 2019). This coincided with the highest minimum air temperature of 18.3 ºC for the month.
Highest Minimum Grass Temperature Depression: 3.6 ºC on 2 June 2020 with a minimum grass temperature of 13.4 ºC and an air temperature of 9.8 ºC.
Lowest Minimum Grass Temperature Depression: 0.6 ºC on 26 June 2020 with a minimum grass temperature of 5.9 ºC and an air temperature of 5.3 ºC.
Mean daily minimum MSL pressure: 1019.8 hPa (equal to same month in 2019). This is the second highest on record for June and the equal highest since 1019.8 hPa in 2019.
Mean daily maximum MSL pressure: 1024 hPa (0.2 hPa lower than same month in 2019).
Mean MSL pressure: 1022 hPa (4.7 hPa above average, 0.1 hPa lower than same month in 2019).
Lowest MSL pressure: 1011.8 hPa on 22 June 2020 at 3:00 PM. The same month in 2019 saw 1012 hPa.
Highest MSL pressure: 1031.3 hPa on 18 June 2020 at 9:19 AM. The same month in 2019 saw 1032.0 hPa.
Mean minimum relative humidity: 51.9 % (4.4 % higher than same month in 2019 and 4 % below average).
Mean maximum relative humidity: 93.7 % (3.2 % higher than same month in 2019 and 4.1 % above average). This is the second highest on record for June and the highest since the current record high of 94% in 2015.
Mean relative humidity: 72.8 % (1 % lower than same month in 2019 and equal to the long term average).
Lowest relative humidity: 26 % on 2 June 2020 at 2:12 PM (3% higher than this month in 2019). This is the second lowest monthly minimum humidity for June on record and the highest since 31 % in 2018 on 17 June at 2:29 PM
Highest relative humidity: 99 % on 17 June 2020 at 7:58 AM (1% higher than this month in 2019). This is the second highest monthly June maximum humidity on record and the highest since 100% in 2017 on 15 June at 12:00 AM.
Monthly mean minimum dew point: 8.6 ºC (0.1 ºC above average). This is the lowest monthly mean minimum dew point for June on record exceeding the previous record low of 8.7 ºC in 2019.
Monthly mean maximum dew point: 14.5 ºC (1.2 ºC below average). This is the third lowest monthly mean maximum dew point for June on record and the lowest since 13.3 ºC in 2011.
Monthly mean dew point: 11.6 ºC (0.6 ºC above average). This is the lowest monthly mean dew point for June on record exceeding the previous record low of 11.8 ºC in 2012.
Lowest dew point: -0.2 ºC on 2 June 2020 at 2:38 PM. This is the second lowest monthly minimum dew point for June on record and the lowest since the current record low of -3.2 ºC in 2019 on 21 June at 6:07 PM.
Highest dew point: 21 ºC on 14 June 2020 at 12:45 PM. This is the second highest monthly and daily maximum dew point on record for June, and the highest since the current record high of 21.5 ºC in 2009 on 19 June.
Highest wind gust: 41 km/hr on 2 June 2020 at 2:37 PM. This is the second lowest June maximum wind gust and the lowest since the current record high of 37.5 km/hr in 2011 on 13 June at 3:12 PM.
Highest wind speed: 20 km/hr on 23 June 2020 at 12:31 PM (Moderate Force Wind). This is the lowest monthly and daily maximum wind speed for June on record, exceeding the previous record low June maximum wind speed of 22.5 km/hr in 2011 on 17 June at 3:12 PM.
Total Wind Run: 2120.5 km (32.5 km lower than same month in 2019), 75.6 km below average and 3.4 % below average. This is the third highest on record for June total wind run and the highest since 2153 km in 2019.
Mean wind speed: 3.0 km/hr (equal to this month in 2019), equal to the long term average. This is the second highest on record for June and the highest since the current record high of 4.7 km/hr in 2019.
Daily Mean Maximum Wind Gust: 22 km/hr (0.2 km/hr lower than this month in 2019), 1.4 km/hr above average and 7% above average. This is the lowest daily mean maximum wind gust on record for June since 20.5 km/hr in 2013.
Daily Mean Maximum Wind Speed: 10.5 km/hr, 0.1 km/hr lower than this month in 2019), 2.2 km/hr above average and 26.4 % above average. This is the second lowest daily mean maximum wind speed on record for June and the lowest since the current record low of 10.1 km/hr in 2011.
Dominant Direction: S (S this month last year).
Rainfall total: 45.5 mm, 16.4 mm below average (73.5 % of long term average), 6.8 mm above the long term median and 117.6% of the site median. This is higher than this month last year which was 35.9 mm. Automatic rain gauge was 37 mm (-18.7 % of manual gauge).
Highest daily rainfall total: 16.4 mm on 15 June 2020.
Number of rain days: 12 days, 1 more than this month in 2019 and 5.4 days above average. This is equal second highest on record for June and is the highest since 13 days in 2016.
Highest rainfall rate: 155.6 mm/hr on the 14 June 2020 at 12:59 PM.
Highest hourly rainfall total: 11.6 mm on the 14 June 2020 at 1:19 PM.
During June there were several days during the middle of the month that saw mostly light showers. A shower on the 14th brought brief heavy falls (5.8 mm in 3 minutes). On the 20th to 22nd were further light showers and drizzle returning on the 28th and 29th.
There were 8 days of morning dew.
Morning mist on 7th and 15th.
The weather was dominated by high pressure ridges extending little wind or onshore winds with warm days and warm nights throughout the month. A warm and moist air mass on the 14th brought a record warm morning and also produced showers. A cool and dry air mass was in place between the 22nd and 26th that was followed by the passage of a trough and cold front and this brought sunny dry weather with cool nights, which was accompanied with some overnight wind that slowed the temperature falling overnight.
Long period rainfall totals over the shorter timespans improved slightly with the near median rainfall in June but the longer timespans have remained the same or deteriorated further given past months has seen below average rainfall totals. 6 monthly rainfall remained above average but was below average for 9 monthly to 48 monthly, with the greatest being 18 monthly rainfall at 285.5 mm below average.
For June there were 5 existing records exceeded or equalled, along with 5 records that was highest/lowest in at least 5 years.
For more detailed analysis refer to the “Monthly Meteorological Report for June 2020”
Summary of Averages and Extremes for June 2020 for Ferny Grove, Brisbane, Queensland, Australia |
||||||||||||||||
|
Min Temp |
Max Temp |
Mean Temp |
Temp Range |
Min Grass Temp |
Min Grass Temp Depression |
Min Relative Humidity |
Max Relative Humidity |
Mean Relative Humidity |
Min MSL pressure |
Max MSL Pressure |
Mean MSL Pressure |
Dew Point |
Max Wind Gust |
Max Wind Speed |
Daily rain |
Average |
11.0 |
22.6 |
16.8 |
11.6 |
9.4 |
1.6 |
51.9 |
93.7 |
72.8 |
1019.8 |
1024.0 |
1021.9 |
11.6 |
22.0 |
10.5 |
1.5 |
Min |
5.9 |
17.3 |
13.9 |
5.1 |
5.3 |
0.6 |
26 |
72 |
56 |
1011.8 |
1015.8 |
1013.8 |
-0.2 |
14.0 |
6.0 |
|
Max |
18.3 |
25.8 |
21.0 |
16.4 |
16.9 |
3.6 |
83 |
99 |
91 |
1028.7 |
1031.3 |
1030.0 |
21.0 |
41.0 |
20.0 |
16.4 |
Total |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
45.5 |
Summary for June 2020 from long term average for Ferny Grove, Brisbane, Queensland, Australia |
||||||||
|
Temperature |
Relative Humidity |
MSL Pressure |
Dew Point |
Wind Gust |
Wind Speed |
Rainfall |
Rainfall as Fraction of monthly average (%) |
Average |
+0.9 |
+0.0 |
+4.7 |
+0.6 |
+1.4 |
+2.2 |
-16.4 |
73.5 |
Min |
+0.6 |
-4.0 |
|
+0.1 |
|
|
|
|
Max |
+1.2 |
+4.1 |
|
+1.2 |
|
|
+22.7 |
|
Monthly averages and extremes for Year of 2020 to Date for Ferny Grove, Brisbane, Queensland, Australia |
|||||||||||
|
Temperature |
Temperature Anomaly from Long Term Avg. |
Rain total |
Rain Anomaly |
Rain days |
||||||
|
Avg Min |
Avg Max |
Low Min |
High Max |
Average |
Min |
Max |
Average |
|
|
|
Jan-20 |
21.9 |
32.2 |
18.6 |
35.4 |
27.0 |
+1.2 |
+1.5 |
+1.4 |
183.3 |
+38.3 |
15 |
Feb-20 |
21.2 |
30.4 |
19.6 |
37.6 |
25.8 |
+0.9 |
+0.4 |
+0.7 |
389.2 |
+227.4 |
20 |
Mar-20 |
18.7 |
29.1 |
15.1 |
35.2 |
23.9 |
-0.5 |
+0.4 |
-0.0 |
142.4 |
+18.2 |
15 |
Apr-20 |
16.0 |
29.1 |
11.9 |
34.2 |
22.6 |
+0.0 |
+2.7 |
+1.4 |
13.5 |
-80.3 |
9 |
May-20 |
12.7 |
24.2 |
9.1 |
28.1 |
18.4 |
+0.2 |
-0.0 |
+0.6 |
12.1 |
-90.9 |
8 |
Jun-20 |
11.0 |
22.6 |
5.9 |
25.8 |
16.8 |
+0.6 |
+1.2 |
+0.9 |
45.5 |
-16.4 |
12 |
YTD |
16.9 |
27.9 |
5.9 |
37.6 |
22.4 |
+0.4 |
+1.0 |
+0.8 |
786.0 |
+96.3 |
79 |
Based on Bureau of Meteorology Climate summaries (Copyright) of which some data was obtained from. From September 2017 the Bureau of Meteorology Climate summaries were expanded to provide data from official stations in and near the Greater Brisbane “Greater capital city Statistical Area” (GCCSA).
Data Copyright Ferny Grove Weather 2020, Produced 21/6/20. Data Checking has been carried out but errors may still be present and therefore there is no assurance of correctness. Corrections may be made at a later data if errors or deficiencies are found and/or improvements in data handling techniques are made, though data with major improvements may not be updated in this summary. Data measured with professional moderate accuracy equipment. This replaced non professional equipment of low accuracy with differences in the measured data. The new equipment measures the daily average wind speed and wind run about 40 % higher. Daily rainfall and grass minimum temperature is measured using non-professional equipment of moderate accuracy.
Site Commencement data is April 15 2009 except for daily rainfall which commenced on January 1 1987. Not all variables have been measured over the entire station record. Most variables are measured over a 24 hour period ending in the evening and over a 24 hour period from midnight effective October 5 2018. Maximum temperatures are measured over the 24 hours from 9 am on the day of measurement. Minimum temperatures are measured over the 24 hours to 9 am of the day of measurement. Rainfall is measured over 24 hours to 9am and recorded on that day. This is the same as the official time standard. Some rainfall measurements are not made at 9am and is adjusted based on the automatic record. Minimum Grass Temperature is measured over an approx. 12 hour period ending in the early morning. MSL refers to Mean Sea Level, which is the standard meteorological method of measuring air pressure reduced to sea level based on both elevation and temperature. Grass Minimum Depression is the difference of the grass minimum temperature from the air temperatures and is a positive value when the grass temperature is below the air temperature.
Up until March 9 2019 automatic records as Dew Point, Average Wind Speed, Dominant Wind Direction, Wind Run, Rain Rate and Hourly Rain are measured over a 24 hour period starting at midnight and recorded for that day. This started on the 6 October 2011. The automatic record is used for some data and also may be used if data is not available/ not suitable. From March 9 2019 the automatic record became the official record instead, simplifying this process. Until replaced on 5 October 2018 the temperature and humidity sensor is under exposed so minimum temperature and maximum humidity are incorrect and low accuracy rain gauge is used which are not used as the site’s official record. This data limitation does not apply to other measurements of temperatures, air pressure and humidity, wind gust, daily and monthly rainfall and rain days elsewhere in this summary which are recorded separately and form the official record for this site. The replacement equipment is sited in more exposed locations and therefore the limitations don’t apply, though the automatic daily rainfall doesn’t form the official data for the site.
Long term averages are based on all available long period past measurements from October 2019 whilst for non automatic rainfall is based on 1987 to 2017 average from the station record, while. Prior to this the long term average for Temperature, Relative Humidity and Air pressure is based on 2009 to 2015 average from the station record and wind speed is based on the 2010 to 2018 average from station record. Wind Run is 2011 to 2018 and Rain Rate and High Hourly Rain is 2011 to 2017.
The Fraction of monthly average expresses how much has fallen in respect to the long term average listed as a percentage. The decile ranking compares the rainfall total to the historical record for the site where the record is divided into 10 equal groups. Decile 1 is the lowest 10% of the record (10th percentile) and Decile 10 (90th percentile) is the highest 10% of the record. Decile 1 is considered “very low”, decile 2 and 3 “low”, decile 4 to 7 “average”, decile 8 and 9 “high” and decile 10 “very high”.