December 2019 Summary

In Brief:
Dry and fine start, the 1st to 4th being the first completely dry 4-day spell since 21st September!  Low pressure and rain returned for the next 3 weeks. Dry weather, this time mostly cloudy however, returned at the end of the month.    Average temperatures day and night.  

Temperature: [Minimum]:
Lowest: -0.3 degs C on the 2nd.   Coldest December night since 2014.
Highest: 11.8 degs C on the 27th.  

Average minimum:  6.61 degs C.   =7th coldest of the last 17 Decembers.
Nights with temperature below 5 degs C = 9. 
Nights with temperature below 0 degs C = 1.   First since February 3rd and the first time in December since 2014.

Temperature: [Maximum]:
Lowest: 7.7 degs C on the 17th.

Highest: 13.5 degs C on the 10th.  Since 2003 only 3 Decembers (2014, 2017 and 2018) have not seen a warmer day than this.

Average maximum: 11.25 degs C.  9th highest and 9th lowest of the last 17 Decembers.   Lowest since January.

Days with temperature above 20 degs C = 0.   

Days with temperature above 25 degs C = 0.  

Rainfall:
Total this month: 148.9 mm.  Driest December since 2016.  3rd driest of the last 9 Decembers (behind 2014 and 2016). 

Last month [November 2019]:  226.2 mm.
Last year [December 2018]:  209.4 mm.

Wettest day:  19.1 mm on the 12th. 

Other days with 15 mm or more:  21st (18.9 mm), 8th (17.8 mm), 18th (15.5 mm), 19th (15.0 mm).

Wettest spells:  18th to 21st: 56.4 mm and 8th to 12th: 53.7 mm.

Driest spells:  1st to 4th and 27th to 30th: dry.  27th to 31st:  No measurable rain.
Completely dry days:  9.  Most in December since 2016.
Days with no measurable rain:  12.  Most in December since 2016.

Cumulatively: Whole of 2019 = 1428.4 mm.

Whole of 2018:  1314.0 mm.  [+8.71 %].   

2nd wettest year since before 2009.  2012 = 1502.6 mm.

Thunder:
Thunder on the 8th* and 15th.  *Lightning only.

Pressure (at 2100 only):
Lowest: 977.1 mb on the 21st.  
Highest: 1030.0 mb on the 28th.

Summary For Week Ending 210025 January 2020

Temperature [degs C]:
Lowest minimum: 0.0 [Monday]
Highest minimum: 7.4 [Thursday]
Average: 3.84

Lowest maximum: 7.8 [Sunday]
Highest maximum: 10.5 [Saturday]
Average: 8.76

Rain:
Total: Trace
Wettest day: Wednesday, Thursday and Saturday: Trace

Pressure [2100 only]:
Lowest: 1013.8 mb [Saturday]
Highest: 1044.9 mb [Sunday]

Sunshine: 
Sunny:  Sunday,  Monday,  Tuesday pm
Sunny intervals:  Tuesday am

Wednesday 29 January 2020

Some rain overnight.
Cloudy start, then brighter with some sunshine.
Temps: Min: 5.3;  Max: 10.9.
Rain: 1.8 mm.  Pres: 1005.0 mb.

Tuesday 28 January 2020

Heavy showers, some with hail, and some sunny intervals.
Temps: Min: 3.6;  Max: 7.3*.
Rain: 4.8 mm.  Pres: 1004.9 mb.

*Coldest day since 1st February.

Monday 27 January 2020

Mostly cloudy with showers, some heavy.
Some sunshine in the afternoon.
Temps: Min: 7.0*;  Max: 9.8.
Rain: 11.0 mm.  Pres: 995.0 mb**.

*Recorded during the daytime.
**Pressure has fallen every day since a high on the 19th.

Sunday 26 January 2020

Cloudy with rain in the morning.
Mostly cloudy with showers in the afternoon.
Clear in the evening.
Temps: Min: 5.3;  Max: 11.9.
Rain: 9.0 mm.  Pres: 1008.6 mb.

Saturday 25 January 2020

Overcast.  Some drizzle in the afternoon.
Temps: Min: 6.6;  Max: 10.5.
Rain: Trace.  Pres: 1013.8 mb.

Friday 24 January 2020

Cloudy.
Temps: Min: 5.6;  Max: 8.7.
Rain: Nil.  Pres: 1021.5 mb.

Thursday 23 January 2020

Overcast in the morning with some drizzle.
Mostly cloudy in the afternoon.
Temps: Min: 7.4;  Max: 9.1.
Rain: Trace.  Pres: 1027.8 mb.

November 2019 Summary

In Brief:
Second consecutive extremely wet month.  Very few dry days.  On the cool side.

Temperature: [Minimum]:
Lowest: 2.6 degs C on the 9th.   Highest November minimum since 2013.
Highest: 13.1 degs C on the 1st.   Recorded at the end of the day rather than overnight.

Average minimum:  7.21 degs C.   5th coldest of the last 17 Novembers.
Nights with temperature below 5 degs C = 7.
Nights with temperature below 0 degs C = 0.   Only in Novembers 2010 and 2018.

Temperature: [Maximum]:
Lowest: 7.6 degs C on the 14th. Coldest day since February 2.

Highest: 15.8 degs C on the 1st.  Warmest November day since 2015. 

Average maximum: 12.01 degs C.  4th coldest of the last 17 Novembers.   Lowest since January.

Days with temperature above 20 degs C = 0.   

Days with temperature above 25 degs C = 0.  

Rainfall:
Total this month: 226.2 mm.  Wettest November since at least 2007. (2nd = 2009).  Wettest month since January 2015*.   

Last month [October 2019*]:  231.4 mm.
Last year [November 2018]:  183.9 mm.

*October 2019 includes 30/9/19 - estimated max on this day = 10.0 mm.

Wettest day:  22.0 mm on the 23rd. 

Other days with 14 mm or more:  2nd (20.1 mm), 22nd (14.9 mm), 11th (14.0 mm).

Wettest spells:  21st to 27th: 76.5 mm and 1st to 7th: 75.0 mm.

Driest spell:  15th to 18th:  4.5 mm.
Completely dry days:  1 (18th).  Equal fewest with February 2014 and since before April 2008.
Days with no measurable rain:  5.  Fewest since January 2016.  Fewest in November since 2009.

Cumulatively to November: 2019 = 1279.5 mm.

Same period in 2018:  1104.6 mm.  [+15.83 %].   

Wettest January to November period since before 2009.  

Thunder:
None this month. 

Pressure (at 2100 only):
Lowest: 984.0 mb on the 2nd.  
Highest: 1014.5 mb on the 29th.

Summary For Week Ending 210018 January 2020

Temperature [degs C]:
Lowest minimum: 1.6 [Saturday]
Highest minimum: 8.5 [Thursday]
Average: 6.43

Lowest maximum: 9.5 [Saturday]
Highest maximum: 13.7 [Tuesday]
Average: 11.49

Rain:
Total: 53.1 mm
Wettest day: Tuesday: 18.1 mm

Pressure [2100 only]:
Lowest: 994.0 mb [Tuesday]
Highest: 1032.0 mb [Saturday]

Sunshine: 
Sunny:  Wednesday,  Saturday
Sunny intervals:  Sunday,  Friday

Summary For Week Ending 210011 January 2020

Temperature [degs C]:
Lowest minimum: 7.4 [Tuesday]
Highest minimum: 9.8 [Saturday]
Average: 8.57

Lowest maximum: 10.4 [Sunday]
Highest maximum: 13.2 [Tuesday]
Average: 12.24

Rain:
Total: 26.8 mm
Wettest day: Thursday: 10.5 mm

Pressure [2100 only]:
Lowest: 1012.5 mb [Thursday]
Highest: 1028.9 mb [Sunday]

Sunshine: 
Sunny:  Monday pm 
Sunny intervals:  Friday

Wednesday 22 January 2020

AM:  Bright at first, otherwise mostly cloudy.
PM:  Dull and gloomy with some drizzle.
Temps: Min: 4.9;  Max: 8.5.
Rain: Trace.  Pres: 1034.1 mb.

Tuesday 21 January 2020

Sunny. Some cloud in the morning.
Temps: Min: 1.5;  Max: 8.0.
Rain: Nil.  Pres: 1041.2 mb.

Monday 20 January 2020

Sunny.
Temps: Min: 0.0;  Max: 8.7.
Rain: Nil.  Pres: 1043.1 mb.

Sunday 19 January 2020

Sunny.
Temps: Min: 0.9;  Max: 7.8.
Rain: Nil.  Pres: 1044.9 mb.

Saturday 18 January 2020

Sunny.
Temps: Min: 1.6;  Max: 9.5.
Rain: Nil.  Pres: 1032.0 mb.

Friday 17 January 2020

Sunny intervals and showers.
Temps: Min: 5.8;  Max: 10.6.
Rain: 5.9 mm.  Pres: 1018.7 mb.

Thursday 16 January 2020

AM:  Cloudy and windy with rain/showers.
PM:  Mostly cloudy with showers.
Temps: Min: 8.5;  Max: 12.9.
Rain: 9.1 mm.  Pres: 1009.9 mb.

Wednesday 15 January 2020

Rain on Tuesday evening.
Sunny on Wednesday.
Temps: Min: 6.9;  Max: 10.1.
Rain: 1.9 mm.  Pres: 1013.9 mb.

Tuesday 14 January 2020

Overcast and windy with rain.
Temps: Min: 7.9;  Max: 13.7.
Rain: 18.1 mm.  Pres: 994.0 mb.

Monday 13 January 2020

AM:  Mostly cloudy with showers.
PM:  Rain and windy.
Temps: Min: 6.6;  Max: 11.4.
Rain: 5.1 mm.  Pres: 996.3 mb.

Sunday 12 January 2020

Rain overnight, followed by sunny intervals and showers on Sunday.
Temps: Min: 8.9*;  Max: 10.6**.
Rain: 13.0 mm.  Pres: 1021.4 mb.

*Overnight minimum.   7.7 recorded on Sunday evening.
**Daytime maximum.  12.2 recorded overnight.

Saturday 11 January 2020

Cloudy.
Drizzly showers in the afternoon.
Drizzle in the evening.
Temps: Min: 9.8;  Max: 12.0.
Rain: 0.4 mm.  Pres: 1020.5 mb.

Friday 10 January 2020

Sunny intervals.
Temps: Min: 7.7*;  Max: 13.1.
Rain: Nil.  Pres: 1024.9 mb.

*Recorded before 2100 on Thursday.

Thursday 9 January 2020

Mostly cloudy with showers.
Temps: Min: 7.9;  Max: 10.3*.
Rain: 10.5 mm.  Pres: 1012.5 mb.

*Daytime maximum.  12.7 recorded overnight.

Wednesday 8 January 2020

Overcast/cloudy. 
Drizzle in the morning.  Rain in the afternoon.
Breezy in the evening.
Temps: Min: 9.4;  Max: 12.5.
Rain: 6.5 mm.  Pres: 1014.3 mb.

Tuesday 7 January 2020

Overcast with drizzle.
Temps: Min: 7.4;  Max: 13.2.
Rain: 1.4 mm.  Pres: 1021.5 mb.

The 10 Warmest Days of 2019 [degs C]

  10.   24.0   August 2
  =8.   24.2   April 20 & July 10
    7.   24.3   July 9
    6.   24.5   July 6
  =4.   24.6   July 11 & 24*
  =2.   25.0   July 25* & 26*
    1.   26.2   July 5

*Substitute thermometer readings. No data received July 19-30.

The 10 Warmest Nights of 2019 [degs C]

10.  16.2   June 27
  9.  16.3   July 12
  8.  16.4   August 15
  7.  16.5   September 21
=4.  16.6   August 6, 10 & 26
  3.  16.8   September 12
  2.  17.4   August 9
  1.  18.0   August 3

*The period July 20-31 is not included in this chart due to no data being received.
Not good timing, but I thought I'd do the chart with this period missing anyway!

The 10 Coldest Days of 2019 [degs C]

  10.  7.9   January 5
    9.  7.8   December 1
    8.  7.7   December 17
    7.  7.6   November 14
    6.  7.5   January 3
  =4.  7.4   January 30 & February 2
    3.  6.5   January 31
  =1.  6.1   January 29 & February 1

The 10 Coldest Nights of 2019 [degs C]

10.  1.7  March 26
  9.  1.5  January 29
  8.  1.3  December 18
  7.  1.1  December 3
  6.  0.7  January 21
  5.  0.1  January 10
  4.  -0.2  February 1
  3.  -0.3  December 2
  2.  -0.8  February 3
  1.  -1.4  January 31

The 10 Wettest Days of 2019 [mm]

10.  22.9  July 19
  9.  23.0  January 31
  8.  23.5  June 4
  7.  24.5  October 29
  6.  25.1  September 24
  5.  26.5  October 26
  4.  27.4  October 7
  3.  27.5  September 28
  2.  38.5  August 16
  1.  46.5  June 7

*40.8 mm fell between October 10 and 13, 40.0 mm of which is estimated to have fallen overnight on October 10/11.  Actual timing means one of these dates could have been included in this chart.  Due to uncertainty and the likelihood of the total being split equally across two dates, I decided not to include it.

**November was very close to being the wettest month of 2019, however no single days appear in the list above.   

The Wettest Years of the 2010s [mm]

10.  971.2     2010
9.    985.2     2011
8.    1149.8   2017
7.    1214.0   2015
6.    1228.2   2013
5.    1239.1   2016
4.    1250.2   2014
3.    1314.0   2018
2.    1428.4   2019
1.    1502.6   2012

The Wettest Months of 2019 [mm]

12.  27.4  [10]  May
11.  57.3  [11]  July
10.  76.5  [5]  April
9.    79.8  [6]  February
8.    86.3  [1]  January
7.   107.9  [12] June
6.   119.7  [9]  August
5.   121.9  [3]  March
4.   145.1  [8]  September
3.   148.9  [2]  December
2.   226.2  [4]  November
1.   231.4  [7]  October

[2018 position in brackets]

*The daily total for September 30 (est 4.5 mm) was added to October.  October would remain at position #1, however September would become #3, and December #4.  Either way, the 4 wettest months of the year were consecutive. 

Summary For Week Ending 21004 January 2020

Temperature [degs C]:
Lowest minimum: 3.8 [Friday evening (for Friday and Saturday)]
Highest minimum: 9.7 [Sunday, Monday and Tuesday]]
Average: 7.76

Lowest maximum: 11.0 [Tuesday and Saturday]
Highest maximum: 12.4 [Thursday evening (for Thursday and Friday)]
Average: 11.64

Rain:
Total: 7.8 mm
Wettest day: Thursday: 4.7 mm

Pressure [2100 only]:
Lowest: 1014.2 mb [Thursday]
Highest: 1034.1 mb [Saturday]

Sunshine: 
Sunny intervals:  Friday,  Saturday am

Monday 6 January 2020

Mostly cloudy in the morning with rain later.
Increasingly sunny in the afternoon.
Temps: Min: 9.6;  Max: 11.8.
Rain: 8.0 mm.  Pres: 1022.9 mb.

Sunday 5 January 2020

Cloudy.
Temps: Min: 8.2;  Max: 10.4.
Rain: Nil.  Pres: 1028.9 mb.

Saturday 4 January 2020

Light showers.
Sunny intervals in the morning.
Mostly cloudy in the afternoon.
Temps: Min: 3.8*;  Max: 11.0.
Rain: Trace.  Pres: 1034.1 mb.

*Recorded on Friday evening.

Friday 3 January 2020

Rain overnight followed by a dry day with sunny intervals after a cloudy start.
Temps: Min: 3.8*;  Max: 12.4**.
Rain: 2.3 mm.  Pres: 1032.0 mb.

*Recorded on Friday evening.
**Recorded on Thursday evening. 
There was no defined overnight minimum or daytime maximum.

Thursday 2 January 2020

Cloudy.
Drizzle in the afternoon.
Rain in the evening.
Temps: Min: 8.1;  Max: 12.4*.
Rain: 4.7 mm.  Pres: 1014.2 mb.
*Recorded in the evening.

Wednesday 1 January 2020

Rain/showers overnight, followed by a dry and cloudy day.
Temps: Min: 9.5*;  Max: 11.1.
Rain: 0.8 mm.  Pres: 1027.0 mb.

*Recorded before 2100 on Tuesday evening.