December Summary
Near average temperature, below average rainfall and wind run.
- December was above my average temperature of 15.6C with 15.9C.
- The warmest is 2010 with 17.4C, the coolest, 2004 with 12.7C.
- The warmest temperature was 31.9C, the highest December temperature I've recorded is 35.2C in 2015
- The coldest temperature was 4.5C. The lowest December temperature I've recorded was in 2006 with 1.3C.
- Twenty nine days reached or exceeded 15C, my average is 29.
- Seventeen days reached or exceeded 20C, may average is 18.
- Eight days reached or exceeded 25C, my average is 7.
- Three days reached or exceeded 30C, my average is 1.
- Wind run was 88% of my average of 5788km with 5085km. December is the windiest month of the year.
- The barometer recorded below average pressure for the month with 1008.0hPa. My average is 1011.4hPa.
- Rainfall was 75% of my average expected total of 56.8mm with 42.5mm.
- The driest December is 2003 with 2mm, the wettest is 2004 with 137.8mm.
December 2016 Summary Temperature | |
---|---|
Mean | 15.9 C |
Mean Maximum | 21.4 C |
Mean Minimum | 10.6 C |
Maximum High | 31.9C (21st) |
Maximum Low | 14.1 C (22nd) |
Minimum High | 12.5 (1st) |
Minimum Low | 4.5 C (16th) |
Wind Speed and Direction | |
Maximum Gust | 54 km/h (10th) |
Mean | 7.5 km/h |
Wind Run | 5085 km |
Max Daily Windrun | 285 km (9th) |
Prevailing Direction | East North East |
Barometer | |
Maximum | 1021.6 hPa (5th) |
Minimum | 988.5 hPa (15th) |
Mean | 1008.0 hPa |
Max Daily Change | -17.6 hPa (31st) |
Rainfall | |
Days with Measured Rainfall (0.5mm or more) |
8 |
Max Daily Rainfall | 15.5 mm (11th) |
Monthly Rainfall | 42.5 mm |
Humidity | |
Maximum | 98 % (2nd) |
Minimum | 20 % (21st) |
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 | ||||||||||||
Weather station off line for most of the day. Overcast with NE winds, a few spots of rain in the evening. | ||||||||||||
2 | 9.8 | 13.7 | 11.5 | 3.3 | 19 | 71 | East Nth East | 0.5 | 4.0 | 1014.7 | 1017.5 | +2.8 |
Overcast with morning showers. Southerly winds turning NE early afternoon. | ||||||||||||
3 | 7.9 | 20.0 | 14.5 | 7.3 | 34 | 116 | East Nth East | 0 | 0 | 1006.5 | 1016.2 | -9.7 |
Some high cloud but mostly sunny with a NE wind. | ||||||||||||
4 | 12.1 | 20.3 | 14.5 | 6.6 | 34 | 151 | East Nth East | 0 | 0 | 1008.7 | 1019.8 | +11.1 |
Overcast with variable winds turning NE from mid afternoon. | ||||||||||||
5 | 9.8 | 18.7 | 15.0 | 10.5 | 43 | 239 | East Nth East | 0 | 0 | 1015.0 | 1021.6 | -6.6 |
Sunny with a fresh NE wind. | ||||||||||||
6 | 12.0 | 30.0 | 19.2 | 5.7 | 32 | 130 | East Nth East | 0 | 0 | 1009.8 | 1014.9 | -5.1 |
Sunny morning with NE winds turning warm westerly from late morning with overcast skies. Light NE winds from late afternoon. | ||||||||||||
7 | 13.9 | 18.9 | 16.0 | 5.5 | 23 | 123 | South Sth West | 0.5 | 0.5 | 1002.4 | 1009.9 | -7.5 |
Overcast with morning shower clearing about midday, southerly winds. | ||||||||||||
8 | 13.8 | 18.3 | 14.9 | 8.1 | 29 | 183 | South Sth West | 0 | 0 | 1005.2 | 1014.1 | +8.9 |
Overcast with some morning drizzle, southerly winds turning NE in the evening. | ||||||||||||
9 | 12.8 | 18.8 | 15.2 | 12.5 | 48 | 285 | East Nth East | 0 | 0 | 997.3 | 1013.8 | -16.5 |
Overcast with a fresh NE wind. | ||||||||||||
10 | 13.2 | 28.9 | 19.7 | 11.5 | 54 | 263 | East Nth East | 0 | 0 | 989.0 | 996.9 | -7.9 |
NE wind turning warm gusty nor'west from mid afternoon, cooler southerly change in the evening. Overcast in the morning, cloud breaking in the afternoon. | ||||||||||||
11 | 10.5 | 17.6 | 13.1 | 8.7 | 38 | 199 | South Sth West | 2.0 | 15.5 | 997.7 | 1007.9 | +10.2 |
Early morning rain then a few showers clearing by mid morning with cloud breaking in the afternoon. Cool southerly winds. | ||||||||||||
12 | 7.2 | 15.6 | 11.5 | 10.5 | 52 | 240 | South Sth West | 2.0 | 9.0 | 1005.2 | 1015.6 | +10.4 |
Morning rain with a southerly change. Rain clearing by midday and cloud breaking in the afternoon. | ||||||||||||
13 | 8.0 | 17.6 | 13.0 | 6.5 | 36 | 149 | East Nth East | 0.5 | 2.5 | 1005.1 | 1015.8 | -10.7 |
Early morning showers clearing before dawn. Sunny morning but high cloud increasing later in the morning. NE winds. | ||||||||||||
14 | 10.4 | 26.6 | 19.1 | 4.0 | 34 | 92 | East Nth East | 0 | 0 | 993.9 | 1005.1 | -11.1 |
Variable cloud with winds tending NE from late morning | ||||||||||||
15 | 10.1 | 23.3 | 19.1 | 9.7 | 38 | 222 | East Nth East | 0 | 0 | 988.5 | 1001.7 | +13.2 |
Few clouds, sunny with variable winds tending NE. | ||||||||||||
16 | 4.5 | 27.0 | 16.9 | 3.3 | 26 | 75 | West Nth West | 0 | 0 | 1002.2 | 1012.9 | +10.7 |
Few clouds, light winds tending nor'west. | ||||||||||||
17 | 9.6 | 18.7 | 15.2 | 11.8 | 45 | 271 | East Nth East | 0 | 0 | 1011.2 | 1017.3 | -6.1 |
sunny morning, cloud increasing from afternoon, fresh NE wind. | ||||||||||||
18 | 14.0 | 27.6 | 18.9 | 7.2 | 34 | 165 | East Nth East | 0 | 0 | 996.5 | 1010.9 | -14.4 |
Mostly cloudy with light winds, cloud breaking late afternoon with a warm northerly. Maximum temperature was recorded at 6:20pm. | ||||||||||||
19 | 8.6 | 25.6 | 17.4 | 7.6 | 36 | 173 | West Nth West | 0 | 0 | 1000.1 | 1011.6 | +11.5 |
Sunny with a few clouds. NE winds turning warm northerly from midday. | ||||||||||||
20 | 6.5 | 18.6 | 14.1 | 10.1 | 42 | 230 | East Nth East | 0 | 0 | 1011.9 | 1020.0 | +8.1 |
Some cloud at times but mostly sunny a with fresh NE wind. | ||||||||||||
21 | 13.1 | 31.9 | 21.4 | 8.9 | 38 | 201 | East Nth East | 0 | 0 | 1002.4 | 1016.3 | -13.9 |
Sunny and very warm with winds turning nor'west from mid afternoon. | ||||||||||||
22 | 14.1 | 23.2 | 20.0 | 6.9 | 32 | 157 | East Nth East | 0 | 0 | 996.3 | 1002.0 | -5.7 |
Overcast for most of the day with variable winds tending NE. Cloud breaking in the evening. | ||||||||||||
23 | 11.2 | 15.9 | 12.9 | 6.3 | 32 | 143 | South Sth West | 1.0 | 4.0 | 1000.4 | 1008.1 | +7.7 |
Overcast with showers and rain from late morning, clearing from mid afternoon with a southerly change. | ||||||||||||
24 | 9.9 | 22.2 | 14.6 | 8.5 | 28 | 194 | South Sth West | 0.5 | 3.0 | 1005.5 | 1009.0 | -3.5 |
Early showers. Variable cloud, southerly winds turning NE from mid afternoon | ||||||||||||
25 | 11.1 | 20.0 | 15.1 | 2.5 | 24 | 55 | South Sth West | 0 | 0 | 1008.7 | 1017.6 | +8.9 |
Overcast for most of the day, cloud breaking late afternoon. Light winds tending southerly. | ||||||||||||
26 | 10.7 | 20.6 | 15.3 | 6.1 | 34 | 139 | East Nth East | 0 | 0 | 1012.1 | 1018.2 | -6.1 |
Mostly overcast but cloud breaking at times, NE wind. | ||||||||||||
27 | 11.5 | 30.6 | 19.5 | 7.7 | 36 | 175 | East Nth East | 0 | 0 | 998.5 | 1011.5 | -13.0 |
Cloudy with light NE winds on the morning. Warm northerly winds from midday and cloud breaking from mid afternoon. A cooler southerly change in the evening. | ||||||||||||
28 | 12.1 | 19.9 | 14.9 | 8.5 | 30 | 194 | East Nth East | 0 | 0 | 1009.7 | 1012.5 | +2.8 |
Mostly cloudy with NE winds. | ||||||||||||
29 | 7.4 | 18.4 | 12.4 | 3.8 | 22 | 85 | South Sth West | 0.5 | 4.0 | 1009.5 | 1013.0 | +3.5 |
Morning drizzle clearing but remaining overcast. Light southerly winds. | ||||||||||||
30 | 6.7 | 20.8 | 14.4 | 6.9 | 34 | 158 | East Nth East | 0 | 0 | 1008.1 | 1012.8 | -4.7 |
Sunny with NE winds. | ||||||||||||
31 | 13.8 | 22.8 | 18.8 | 7.9 | 34 | 178 | East Nth East | 0 | 0 | 993.7 | 1011.3 | -17.6 |
Sunny morning. Increasing cloud with some sunny intervals, NE easing later in the afternoon. |