December Summary;
A close to average month for temperature and wind but had higher average barometric pressure and low rainfall.
- December was almost equal to my average temperature of 15.6C with 15.5C.
- The warmest December is 2010 with 17.4C, the coolest 2004 with 12.7C.
- The coldest temperature was 5.4C. The lowest December temperature I've recorded was in 2006 with 1.3C.
- No frosts were recorded
- Twenty nine days reached or exceeded 15C, equalling my average.
- Seventeen days reached or exceeded 20C, my average is 18.
- Seven days reached or exceeded 25C, equalling my average.
- One day reached or exceeded 30C, equalling my average.
- Wind run was 98% of my average of 5902 with 5798km.
- The barometer recorded above average pressure for the month with 1015.0 hPa. My average is 1011.3hPa.
- Rainfall was 43% of my average expected rainfall of 60mm with 26mm which made this the second driest I've recorded.
- The driest December I've recorded was 2003 with 2mm, the wettest was 2004 with 138mm.
December 2014 Summary Temperature | |
---|---|
Mean | 15.5 C |
Mean Maximum | 20.9 C |
Mean Minimum | 11.2 C |
Maximum High | 31.5 C (27th) |
Maximum Low | 16.7 C (20th) |
Minimum High | 14.2 C (1st) |
Minimum Low | 5.4 C (3rd) |
Wind Speed and Direction | |
Maximum Gust | 53 km/h (10th) |
Mean | 8.6 km/h |
Wind Run | 5798 km |
Max Daily Windrun | 323 km (17th) |
Prevailing Direction | East North East |
Barometer | |
Maximum | 1028.0 hPa (29th) |
Minimum | 991.6 hPa (31st) |
Mean | 1015.0 hPa |
Max Daily Change | +20.6 hPa (7th) |
Rainfall | |
Days with Measured Rainfall (0.5mm or more) |
11 |
Max Daily Rainfall | 5.5 mm (21st) |
Monthly Rainfall | 26.0 mm |
Humidity | |
Maximum | 97 % (Several Days) |
Minimum | 25 % (27th) |
December Daily Observations | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Temperature | Wind | Rainfall | Barometer | |||||||||
Date | Min | Max | Mean | Mean (Km/h) | Gust (Km/h) | Run (km) | Prevailing Dir | 10 Minute Max (mm) | Total (mm) | Min (hPa) | Max (hPa) | Change (hPa) |
1 | 6.3 | 14.2 | 9.6 | 8.2 | 39 | 181 | South Sth West | 0.5 | 4.5 | 1005.8 | 1019.1 | +13.3 |
Morning showers clearing and cloud breaking in the afternoon. Showers returning in the evening. Cool southerly winds. | ||||||||||||
2 | 6.8 | 16.0 | 11.2 | 6.7 | 30 | 148 | South Sth West | 0.5 | 2.5 | 1018.5 | 1025.2 | +6.7 |
Morning showers clearing early and cloud breaking to a mostly sunny afternoon. Cool southerly winds easing in the evening. | ||||||||||||
3 | 5.4 | 16.9 | 11.9 | 7.6 | 35 | 174 | East Nth East | 0 | 0 | 1014.7 | 1024.9 | -10.2 |
Some cloud but mostly sunny with NE winds. | ||||||||||||
4 | 10.0 | 27.1 | 15.8 | 5.8 | 40 | 129 | South Sth West | 1.0 | 2.5 | 1010.7 | 1019.9 | +9.2 |
Variable breezes turning warm northerly then southerly later in the afternoon. Cloud increasing during the day, rain in the evening. | ||||||||||||
5 | 9.0 | 15.9 | 11.5 | 8.9 | 32 | 200 | South Sth West | 0.5 | 1.5 | 1019.1 | 1023.1 | +4.0 |
Light rain and drizzle clearing in the morning and cloud breaking in the afternoon. Cool southerly winds. | ||||||||||||
6 | 10.8 | 16.7 | 13.8 | 10.6 | 44 | 243 | East Nth East | 0 | 0 | 1009.2 | 1022.6 | -13.4 |
Mostly cloudy with a few sunny intervals, NE winds. | ||||||||||||
7 | 10.4 | 28.5 | 16.6 | 9.9 | 46 | 218 | South Sth West | 0 | 0 | 1005.8 | 1026.4 | +20.6 |
Mostly cloudy but some sunny intervals. Warm northerly breezes in the morning turning cooler fresh southerly from late morning. | ||||||||||||
8 | 8.2 | 15.9 | 12.3 | 7.6 | 39 | 172 | East Nth East | 0 | 0 | 1019.5 | 1026.6 | -7.1 |
Mostly cloudy with some sunny intervals in the afternoon, NE winds | ||||||||||||
9 | 12.1 | 25.4 | 17.5 | 8.0 | 36 | 182 | East Nth East | 0 | 0 | 1003.0 | 1019.3 | -16.3 |
Mostly cloudy, NE winds turning warm north to NW in the afternoon with a few spots of rain. | ||||||||||||
10 | 9.5 | 16.6 | 12.0 | 9.1 | 53 | 185 | South | 1.0 | 4.0 | 1001.8 | 1015.7 | +13.9 |
Maximum temperature recorded at midnight. Southerly change arrived at 3am. Overcast and cool with light rain and showers in the morning. Showers clearing in the afternoon and wind easing. | ||||||||||||
11 | 8.6 | 14.5 | 11.3 | 8.0 | 37 | 182 | East Nth East | 0.5 | 0.5 | 1006.9 | 1015.3 | -8.4 |
Overcast with morning drizzle clearing by midday. NE winds. | ||||||||||||
12 | 10.9 | 19.4 | 13.8 | 6.1 | 27 | 122 | South | 0 | 0 | 1005.3 | 1012.7 | +7.4 |
Cloudy with some drizzle from late morning. Cloud breaking to a mostly sunny afternoon but cloud returning in the evening. Southerly winds dying away in the evening. | ||||||||||||
13 | 8.0 | 16.5 | 11.8 | 6.3 | 40 | 131 | South | 0.5 | 1.0 | 1011.4 | 1020.2 | +8.8 |
Mostly cloudy with light rain in the morning clearing by midday. cool southerly winds. | ||||||||||||
14 | 5.9 | 17.6 | 12.6 | 7.1 | 34 | 163 | East Nth East | 0 | 0 | 1015.1 | 1020.1 | -5.0 |
Few clouds, sunny with NE winds in the afternoon. | ||||||||||||
15 | 8.6 | 18.5 | 14.3 | 9.7 | 38 | 221 | East Nth East | 0 | 0 | 1014.3 | 1017.5 | +3.2 |
Few clouds, sunny with NE wind. | ||||||||||||
16 | 12.4 | 19.4 | 15.3 | 12.9 | 42 | 295 | East Nth East | 0 | 0 | 1014.9 | 1017.9 | -3.0 |
Morning cloud clearing to a sunny day with fresh NE winds. | ||||||||||||
17 | 13.7 | 19.7 | 15.5 | 14.4 | 45 | 323 | East Nth East | 0.5 | 0.5 | 1005.1 | 1015.8 | -10.7 |
Cloudy with a few breaks early afternoon, showers from late afternoon Fresh NE wind. | ||||||||||||
18 | 13.5 | 20.9 | 16.1 | 9.9 | 36 | 177 | South | 0 | 0 | 1003.3 | 1011.6 | +8.3 |
Overcast with light rain and drizzle at times. Cloud breaking later in the afternoon. | ||||||||||||
19 | 10.7 | 26.1 | 18.0 | 6.2 | 30 | 134 | East Nth East | 0 | 0 | 1009.0 | 1013.0 | -4.0 |
Sunny with some high cloud at times, mild with NE winds. | ||||||||||||
20 | 16.7 | 28.3 | 22.6 | 7.5 | 31 | 171 | East Nth East | 0 | 0 | 1001.0 | 1011.1 | -10.1 |
Overcast with high cloud, warm northerly winds from late morning. | ||||||||||||
21 | 11.9 | 22.7 | 17.2 | 9.6 | 32 | 159 | South | 2.0 | 5.5 | 1001.2 | 1015.9 | +14.7 |
Variable cloud but mostly sunny. Cloud increasing later in the afternoon with showers. | ||||||||||||
22 | 11.8 | 20.3 | 15.7 | 7.0 | 34 | 157 | East Nth East | 0 | 0 | 1014.5 | 1022.8 | +8.3 |
Cloud morning and evening but mostly sunny through the day with NE winds. | ||||||||||||
23 | 14.9 | 21.8 | 17.4 | 6.7 | 32 | 153 | East Nth East | 0 | 0 | 1022.3 | 1027.7 | +5.4 |
Morning cloud breaking midday but returning in the evening, NE winds. | ||||||||||||
24 | 14.8 | 21.1 | 17.4 | 12.8 | 42 | 292 | East Nth East | 0 | 0 | 1018.2 | 1027.2 | -9.0 |
Morning cloud clearing to a sunny day with NE winds. | ||||||||||||
25 | 10.8 | 20.5 | 16.0 | 8.9 | 37 | 162 | South | 0 | 0 | 1019.5 | 1023.9 | +4.4 |
Overcast with a few drizzle patches in the morning. Cloud breaking from midday to a mostly sunny afternoon. Southerly winds. | ||||||||||||
26 | 11.2 | 23.5 | 18.0 | 6.8 | 31 | 154 | East Nth East | 0 | 0 | 1016.3 | 1023.3 | -7.0 |
Early cloud clearing to a sunny and mild day with NE winds. | ||||||||||||
27 | 12.9 | 31.5 | 22.3 | 4.3 | 34 | 43 | North Nth West | 0 | 0 | 1013.6 | 1017.6 | -4.0 |
Sunny and warm from morning, overcast with high cloud in the afternoon, northerly winds during the day dying out in the evening. | ||||||||||||
28 | 15.5 | 20.4 | 17.5 | 8.5 | 40 | 147 | South | 0.5 | 1.0 | 1014.8 | 1027.8 | +13.0 |
Early showers clearing before dawn. Mostly cloudy but a few sunny intervals, southerly winds dying away in the evening. | ||||||||||||
29 | 14.1 | 20.6 | 17.1 | 11.0 | 42 | 250 | East North East | 0 | 0 | 1019.9 | 1028.0 | -8.1 |
Clear and sunny for most of the day, cloud increasing from late afternoon. NE winds, fresh in the afternoon. | ||||||||||||
30 | 15.3 | 24.5 | 18.8 | 9.4 | 32 | 214 | East Nth East | 0 | 0 | 1006.6 | 1019.8 | -13.2 |
Variable high cloud with some sunny intervals, NE winds. | ||||||||||||
31 | 16.2 | 27.3 | 20.7 | 11.2 | 40 | 249 | East Nth East | 0.5 | 2.5 | 991.6 | 1006.4 | -14.8 |
Variable cloud in the morning with NE winds. A period of rain after midday. Skies clearing later in the afternoon with winds turning warm northerly. Maximum temperature recorded at 5:30pm. |