Annual Weather Review
Armidale NSW - 2015

© Compiled and written by Peter Burr, using data recorded at the Bureau of Meteorology weather station at East Armidale, station no 56037. No part of this review may be reproduced for commercial purposes without prior permission from the author.


2015 was a warm and very dry year.

RAINFALL:  The total of 621.6 mm was 163 mm lower than the long term average (LTA) and was the fourth consecutive year with below average rain. Above average rain fell in January, May, August and December, and below average in the remainder. January was the wettest month recording 113.2 mm, and March was the driest with just 11.6 millimetres. Conditions were particularly dry from May through to November with good falls finally arriving in December. The highest daily fall during the year was 36.2 mm on 23rd December.

TEMPERATURES
:  It was a slightly warmer than normal year with March, October and November having the highest deviations above the LTA for day temperatures. The hottest day of the year was 20th March recording 33.8 degrees which was the highest for the month of March since 7th March 1938 (34.4 deg). The coldest day was 12th July with a maximum of 5.7 degrees, and the coldest overnight minimum was -7.1 degrees on 2nd July. Overnight temperatures were mostly close to normal except in May, October and November which were much warmer than the LTA.

WINDS:  Winds were light in January, March, June, and October, and light to moderate in all other months. The year totalled 8 windy days* (annual average 19 days).
Wind direction at 3pm:  west: 145 days, east: 97 days, south-west: 44 days, north-west: 27 days, south-east: 26 days, south: 12 days, north-east: 11 days, north: 3 days.

EVAPORATION:
  Total pan evaporation for the year was 1,131.6 millimetres which was 59 mm lower than the LTA. Average daily evaporation for the year was 3.1 mm.

FROSTS:
  Total frosts was 92 which was 7 less than the LTA. August was the frostiest month recording 23 frosts. There were 26 light frosts, 43 moderate frosts and 23 severe frosts**. The first frost was on 28th March which produced a frost-free period of 175 days over the summer of 2014-15. The last frost was on 2nd October.

FOGS:  There were fogs on 23 days which is nine less than the annual average. The foggiest month was June with fogs on 7 days. There was one late evening fog with the remainder in the early mornings. 

SNOW:  Snow fell on four days:
12th July - very light snow showers during the day, not settling.
13th July - early morning snow showers partly settled to give a patchy cover in centre of city, a little heavier in South Armidale.
16th July - intermittent light snow from 9pm continuing throughout the night.
17th July - morning light snow until around 11am. Snow settled to give a patchy cover on the ground about 1 cm.
The annual average is 2.2 days of snow.

 

THUNDERSTORMS:  It was a thundery year with storms on 46 days, 9 more than the LTA. Thunderstorm activity was highest in January, February, October and November. There were no severe storms.

HAIL:  Hail fell on 3 days - 18th March (small hailstones less than 10 mm diameter, sparse), 16th September (hailstones up to 18 mm diameter), 13th October (hailstones up to 10 mm diameter). The annual average is 3.3 hail days.

FLOODS:  Minor flooding occurred in Dumaresq Creek on 27th January, 4th April, 24th August, 22nd December. Minor brief flash flooding events may have occurred on other dates not noted here.


LTA - Long Term Average     * Windy day - average wind speed higher than 20 kms per hour: 9am to 6pm
** Intensity of frosts:  light - minimum temp > 0.0C,  moderate - minimum temp -3.9C to -0.1C,  severe - minimum temperature <-3.9C.      



 




             Weather Statistics 2015 - Armidale NSW
                                 
                                                          Bureau of Meteorology weather station at East Armidale, elevation 987 metres

 

 

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

YEAR

 

 

 

RAINFALL  mm

113.2

26.0

11.6

85.4

46.2

32.8

33.2

51.6

18.8

30.0

69.2

103.6

621.6

 

   Long Term Average  mm

101.3

88.7

65.3

45.1

42.9

55.2

48.0

47.6

50.9

67.6

83.4

89.0

785.1

 

 

 

RAIN DAYS

16

11

6

10

11

8

12

5

9

9

8

12

117

 

   Long Term Average  days

10

10

10

8

8

10

9

9

8

9

9

10

110

 

 

 

HIGHEST DAILY RAINFALL  mm

31.8

9.0

6.4

35.8

11.4

18.4

8.4

32.0

5.8

8.4

19.6

36.2

36.2

 

   Day

28

27

19

4

2

1

25

24

3

23

5

23

 

 

 

AVERAGE DAILY MAX TEMP  deg C

25.3

24.6

25.9

19.3

16.5

14.1

11.9

15.1

17.0

23.9

25.4

25.7

20.4

 

   Long Term Average  deg C

26.4

25.4

23.3

20.0

16.3

13.1

12.5

14.2

17.7

20.7

22.8

25.0

19.8

 

 

 

AVERAGE DAILY MIN TEMP  deg C

13.1

11.8

10.4

7.3

4.3

0.9

-0.5

-0.5

1.8

6.8

11.2

11.3

6.5

 

   Long Term Average  deg C

12.7

12.6

10.2

6.4

3.0

0.7

-0.3

-0.2

2.5

5.5

8.9

11.1

6.1

 

 

 

AVERAGE GRASS MIN TEMP  deg C

9.7

7.9

5.8

3.0

0.0

-3.9

-5.3

-5.4

-3.3

1.5

7.1

7.0

2.0

 

   Long Term Average  deg C

9.7

9.9

7.2

3.0

-1.7

-2.9

-4.1

-4.2

-1.3

1.8

6.1

8.2

2.6

 

 

 

HIGHEST MAXIMUM TEMP  deg C

30.0

29.0

33.8

26.7

22.5

18.1

16.0

20.4

21.3

29.0

32.3

30.4

33.8

 

  Day

25

8

20

17

4

7

10

23

16

6

20,26

8,21

 

 

 

LOWEST MAXIMUM TEMP  deg C

17.5

20.5

19.2

10.0

10.4

8.2

5.7

8.6

11.1

16.7

18.4

18.9

5.7

 

   Day

28

20

21

26

22

5

12

5

23

28

15

3

 

 

 

HIGHEST MINIMUM TEMP  deg C

19.3

16.4

16.4

13.6

13.3

8.6

8.4

10.6

7.2

10.5

15.5

17.7

19.3

 

   Day

14

23

21

4

3

16

25

24

3

15

4

9

 

 

 

LOWEST MINIMUM TEMP  deg C

6.3

6.0

-0.6

-2.0

-4.7

-6.0

-7.1

-6.4

-3.3

0.9

5.0

6.5

-7.1

 

   Day

30

4

28

28

15

2

2

7

2

1

17

30

 

 

 

LOWEST GRASS MIN TEMP  deg C

2.4

2.0

-5.0

-6.4

-10.8

-11.1

-12.3

-11.6

-8.2

-4.5

0.9

1.4

-12.3

 

   Day

31

4

28

28

14

2

28

7

2

1

16

5

 

 

 

FROSTS

0

0

1

1

12

18

21

23

14

2

0

0

92

 

   Long Term Average  days

0

0

1

5

14

17

19

20

15

7

1

0

99

 

 

 

FOGS  days

1

1

2

3

2

7

1

0

3

2

0

1

23

 

   Long Term Average  days

1

1

4

5

5

4

3

2

2

2

1

1

32

 

 

 

THUNDERSTORMS  days

8

8

3

2

1

0

0

2

3

9

2

8

46

 

   Long Term Average  days

6

5

2

1

1

1

0

1

2

4

6

8

37

 

 

 

EVAPORATION  (Class A Pan)  mm

126.0

113.6

127.4

65.2

47.2

32.6

37.4

67.6

80.8

133.4

142.0

158.4

1131.6

 

   Long Term Average  mm

162.3

125.8

113.6

76.3

50.5

36.8

42.1

65.2

96.2

128.2

135.3

158.5

1190.6

 

 

 

AVGE. DAILY EVAPORATION  mm

4.1

4.1

4.1

2.2

1.5

1.1

1.2

2.2

2.7

4.3

4.7

5.1

3.1

 

 

 

AVERAGE DAILY WIND RUN  km

106.5

124.1

109.8

111.6

112.9

87.3

139.2

130.1

113.4

103.5

142.0

123.7

117.0

 

   Long Term Average  km

155.7

147.7

142.3

126.2

124.4

147.3

153.3

169.9

172.8

159.9

154.4

156.2

150.6

 

 

 

PREVAILING 3PM WIND DIRECTION

E

E

W

W

W

W

W

W

W

W

W

E

 -

 

 

 

FINE SUNNY DAYS ^

9

8

15

7

11

11

10

24

12

16

12

12

147

 

   Long Term Average  days

16

13

16

16

15

13

15

18

20

18

14

15

189

 

 

 

MAXIMUM TEMP > 29.9 deg.   days

1

0

2

0

0

0

0

0

0

0

4

3

10

 

MAXIMUM TEMP < 10.0 deg.   days

0

0

0

0

0

1

7

3

0

0

0

0

11

 

MINIMUM TEMP < 5.0 deg.   days

0

0

4

6

14

22

28

26

24

6

0

0

130

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 ^  Fine Sunny Day -  a dry sunny day generally free from excessive cloud

  

 

 

 

 

 

 

 

 


       
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