Local Weather News - 2016

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May 2017 Obs Summary: May was close to the short term average across the Blue Mountains and also quite dry with 26mm. Our May average is 60.8mm. Our wettest day was on the 20th with 18.4mm. Our coldest maximum was 7.4C on the 31st and our coldest minimum was -1C on the 30th. Our warmest day was 16.9C on the 6th. The average maximum and minimum temperatures were 13.9C (+0.3C above) and 5.7C (-0.5C below) respectively. So by longer term standards going back to the 1950s, it was a month that was a little warmer than the average for temperatures and quite dry.

April 2017 Obs Summary: April was slightly cooler than the short term average across the Blue Mountains and also fairly dry with 35.8mm, which was in stark contrast to the 417.6mm in March. Our April average is 62.6mm. Our wettest day was on the 5th with 11.8mm. Our coldest maximum was 10.5C on the 10th and our coldest minimum was 2.4C on the 10th. Our warmest day was 19.8C on the 1st. The average maximum and minimum temperatures were 16.8C (+0.4C below) and 7.5C (+1.2C below) respectively. So by longer term standards it was a month that was around average for temperatures and quite dry.

March 2017 Obs Summary: March was somewhat milder than the short term average across the Blue Mountains and also very wet with 417.6mm, from the official Mt Boyce gauge. Our March average is 114.5mm. Our wettest day was on the 15th with 89.2mm. Our coldest maximum was 14.4C on the 17th and our coldest minimum was 6.2C on the 31st. Our warmest day was 27.9C on the 12th. The average maximum and minimum temperatures were 20.6C (+0.1C above) and 13C (+1.6C above) respectively. So by longer term standards it was a month that was a little milder than average for temperatures and VERY wet.

February 2017 Obs Summary: February was notably hotter than the short term average across the Blue Mountains and also reasonably wet with 114.4mm, from the official Mt Boyce gauge. Our February average is 136mm. Our wettest day was on the 8th with 21.8mm. Our coldest maximum was 15.5C on the 25th and our coldest minimum was 7C on the 20th. Our warmest day was 37.2C on the 11th which broke the record set the previous day!. A temperature of 36.3C was recorded on the 10th, which broke the previous record of 36.2C set in 2009. Records date back to 1991 at this site. Katoomba also set a record of 37.7C on the 11th, with fifty one years of record there. Numerous sites across the central tablelands broke records on the 11th. The average maximum and minimum temperatures were 26.6C (+3.8C above) and 15C (+1.7C above) respectively. So by longer term standards it was a month that was notably hotter than average for temperatures and a little dry, too.

January 2017 Obs Summary: January was notably warmer than the short term average across the Blue Mountains and also reasonably wet with 81.6mm, from the official Mt Boyce gauge. Our January average is 120.6mm. Our wettest day was on the 10th with 27.2mm. Our coldest maximum was 17.9C on the 25th and our coldest minimum was 7.5C on the 9th. Our warmest day was 35.2C on the 18th. The average maximum and minimum temperatures were 27.2C (+2.1C above) and 15.4C (+2.1C above) respectively. So by longer term standards it was a month that was notably warmer than average for temperatures and a little dry.

December 2016 Obs Summary: December was notably warmer than the short term average across the Blue Mountains and also reasonably wet with 96.6mm, from the official Mt Boyce gauge. Our December average is 88.6mm. Our wettest day was on the 17th with 31.8mm. Our coldest maximum was 12.8C on the 15th and our coldest minimum was 7.5C on the 9th. Our warmest day was 31.9C on the 29th. The average maximum and minimum temperatures were 25.5C (+3.1C above) and 13.6C (+2.1C above) respectively. So by longer term standards it was a month that was warmer than average for temperatures and reasonably wet.

November 2016 Obs Summary: November was warmer than the short term average across the Blue Mountains and also quite dry with only 35.8mm, from the official Mt Boyce gauge. Our November average is 108.6mm. Our wettest day was on the 12th with 22.6mm. Our coldest maximum was 14.8C on the 5th and our coldest minimum was 2.8C on the 1st. Our warmest day was 28.3C on the 22nd. The average maximum and minimum temperatures were 22.7C (+2.6C above) and 10.2C (+0.5C above) respectively. So by longer term standards it was a month that was warmer than average for temperatures and quite dry.

October 2016 Obs Summary: October was a little cooler than the short term average across the Blue Mountains and also quite dry with only 27mm, from the official Mt Boyce gauge. Our October average is 68.3mm. Our wettest day was on the 22nd with 8.4mm. Our coldest maximum was 9.2C on the 17th and our coldest minimum was 0.7C on the 12th. Our warmest day was 22.4C on the 21st. The average maximum and minimum temperatures were 16.7C (1.1C below) and 6.2C (-1.3C below) respectively. So by longer term standards it was a month that was close to average for temperatures but it felt cold as in the last twenty years or so, we have not had many cold Octobers. It was also windier this month, than it has been in recent Octobers.

September 2016 Obs Summary: September was notably wet across the Blue Mountains with 90.6mm, from the official Mt Boyce gauge. Our September average is 58mm. Our wettest day was on the 19th with 23.2mm. Our coldest maximum was 6.2C on the 3rd and our coldest minimum was 1.4C on the 5th. Our warmest day was 18.6C on the 6th. The average maximum and minimum temperatures were 13.6C (1C below) and 5.2C (0.2C below) respectively - based on the shorter term Mt Boyce obs (only providing data since the mid 90s) that are a little warmer than longer term stations, due the the warming climate in recent decades.

August 2016 Obs Summary: August was quite wet across the Blue Mountains with 102.8mm, from the official Mt Boyce gauge. Our August average is 58.4mm. Our wettest day was on the 3rd with 36.8mm. Our coldest maximum was 5.9C on the 3rd and our coldest minimum was -1C on the 12th. Our warmest day was 17.7C on the 30th. The average maximum and minimum temperatures were 11.4C (0.1C above) and 3.2C (0.2C above) respectively - based on the shorter term Mt Boyce obs (only providing data since the mid 90s) that are a little warmer than longer term stations, due the the warming climate in recent decades.

July 2016 Obs Summary: July was quite wet across the Blue Mountains with 117.4mm, from the official Mt Boyce gauge. Our July average is 42.5mm. Our wettest day was on the 20th with 34.6mm. Our coldest maximum was 3.4C on the 13th and our coldest minimum was -2C on the 14th. The average maximum and minimum temperatures were 9.6C (0.1C above) and 3.1C (0.4C below) respectively - based on the shorter term Mt Boyce obs (only providing data since the mid 90s) that are a little warmer than longer term stations, due the the warming climate in recent decades.

No real snow days of note during July, although there were light snow showers at times in the middle of the night during the month. Most strong and unstable frontal activity stayed south of our region - again, this is a reflection of the warming/changing climate across Australia. Frontal weather on average, stays further south as the sub tropical jet stream appears to be more dominant, impacting on the sub polar jetstream more often these days, reducing our snow chances.

June 2016 Obs Summary: June was very wet across the Blue Mountains with 256mm, from the official Mt Boyce gauge. Our June average is 79.2mm. Our wettest day was on the 9th with 107mm. The average maximum and minimum temperatures were 9.7C (right on average) and 4C (0.5C below) respectively -based on the Mt Boyce obs that are a little warmer than longer term stations - reflecting the warming climate up here. We had two snow days of note, on the 24th and 27th, with around 2cm to 3cm of accumulation on each day.

May 2016 Obs Summary: Its a repeating them at the moment, May was notably dry across the Blue Mountains with only 10mm, from the official Mt Boyce gauge. Our May average is 60.8mm. Our wettest day was on the 9th with 7mm. We had a very warm month until the last week, which brought the average temperatures closer to normal, although still above average. The average maximum and minimum temperatures were 15.2C (1.6C above) and 6.9C (0.7C above) respectively. There was a little bit of snow across the Oberon Plateau during the cold front on May 28th but only light shower activity occured. It was a very marginal event for snow.

Our coolest morning was -1.2C on the 30th and our warmest day was 22.4C on the 6th. Our warmest night was 12.5C on the 1st and 23rd. It does look like we will see more rain in June, although these days, with the climate so different to twenty to thirty years ago, its always hard to be sure. Keep in mind that the May averages for the Mt Boyce AWS come from a quite young station (established in the 1990s) so in reality our May averages for this month are even warmer than this station portrays.

April 2016 Obs Summary: April was notably dry across the Blue Mountains with only 12.8mm, from the official Mt Boyce gauge. Our average is 62.6mm. Our wettest day was on the 23rd with 3.4mm. The average maximum and minimum temperatures were 20C (2.8C above) and 10.6C (1.9C above) respectively. Our coolest morning was 7.3C on the 25th and our warmest day was 26.3C on the 6th. Our warmest night was 17C on the 6th. So far May is continuing this trend with temperatures well above average for maximums and minimums and a lack of good, soaking rain.

March 2016 Obs Summary: March was dry across the Blue Mountains, with only 46mm from the official Mt Boyce gauge. Our average is 114.5mm. Our wettest day was on the 12th with 11.8mm. The average maximum and minimum temperatures were 23.5C (3C above) and 12.6C (1.2C above) respectively. Our coolest morning was 5.7C on the 19th and our warmest day was 29.7C on the 9th. Our warmest night was 18C on the 3rd. Thankfully, even though rainfall was quite poor, fire threats were not a major concern. Across the nation, it was the hottest March on record, after we had the hottest February globally on record. 2015 was also the hottest year on record, globally. Whilst El Nino events do bring heat it seems that climate change is making such events even hotter.

February 2016 Obs Summary: February was very dry across the Blue Mountains, with only 38.8mm from the official Mt Boyce gauge. Our average is 136mm. Our wettest day was on the 4th with 15mm and we also had 14.6mm on the 21st. The average maximum and minimum temperatures were 25C (2.2C above) and 14C (0.7C above) respectively. Our coolest morning was 10.5C on the 5th and 18th and our warmest day was 32.3C on the 25th. Our warmest night was 21C on the 26th. Thankfully, even though rainfall was quite poor, fire threats remained minimal.

January 2016 Obs Summary: January started out wet across the Blue Mountains, with more than 100mm in the first week. The Mount Boyce AWS total (official station 2 km north of town) for this month was 221.2mm, with the long term average being 120.6mm. Our wettest day was on the 6th with 57.4mm. The average maximum and minimum temperatures were 23.1C (1C below) and 13.6C (0.3C above) respectively. Our coolest morning was 5.9C on the 15th and our warmest day was 31.7C on the 13th. Our warmest night was 22.4C on the 14th. Thankfully, the very good rainfall that occured in this month again, largely kept fire threats at bay.


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