December 2004 Summary
Temperature
Mean 12.7 C
Mean Maximum 18.4 C
Mean Minimum 8.5 C
Maximum High 26.8 C
Maximum Low 16.0 C
Minimum High 12.8 C
Minimum Low 2.8 C
Wind Speed and Direction
Maximum Gust 60 km/h
Average 9.0 km/h
Wind Run 6940 km
Max Daily Windrun 531 km
Prevailing Direction North East
Rainfall
Days with Measured Rainfall 18
Max Daily Rainfall 31.6 mm
Monthly Rainfall 137.8 mm

December Min. Temp Max. Temp Avg. Temp Rain Prevailing Wind Dir. Avg. Wind Speed Max Gust Wind Run Casual Observations
1 6.6 18.9 13.4 0 North East 8.4 35 211 Sunny with NE winds, high cloud increasing in the evening.
2 12.7 26.8 18.9 0 North East 13.5 53 330 Morning cloud clearing, warm and gusty west to nor'west winds from late morning.
3 7.8 23.4 15.4 0 West 8.9 39 220 Sunny with westerly winds.
4 7.1 17.7 12.3 24.0 North East 7.6 39 192 Morning showers, then sunny. Cloud increasing late afternoon with rain, a downpour of 17.8mm recorded between 11pm and midnight.
5 7.9 13.9 9.5 13.8 South West 12.1 45 298 Cloudy with showers. Southerly winds increasing from afternoon and becoming gusty.
6 7.8 16.2 11.4 3.5 South West 14.1 48 346 Showers and cloud clearing early afternoon. Strong cold southerly winds easing and dying away in the evening.
7 9.1 21.3 12.5 3.6 South 6.0 36 150 Cloud increasing, a change to cool southerlies and showers late afternoon.
8 4.2 19.0 12.9 0 North East 5.5 33 139 Sunny with NE winds, high cloud increasing later in the afternoon.
9 8.7 13.9 11.4 0 South 6.9 38 174 Cloudy and cool with southerly winds.
10 8.0 15.6 10.3 5.8 South 9.6 55 237 Sunny with warm nor'west winds in the morning. A change to strong cold southerly winds with rain clearing late afternoon.
11 2.8 15.8 10.3 0 South 7.2 36 181 Sunny with a cool southerly wind. Cloud increasing late afternoon.
12 5.1 21.4 11.0 0.2 South 6.2 39 157 Morning cloud clearing and a warm nor'west breeze developing. Cloud returning in the afternoon with a cool southerly change and brief showers.
13 7.3 15.1 11.0 0 North East 6.1 39 151 Cloudy with light morning drizzle and cool NE winds. A southerly change in the evening with a light shower.
14 7.7 15.6 11.2 0 North East 8.3 29 206 Morning southerly winds turning NE but remaining cloudy and cool.
15 10.2 19.0 13.7 0 North East 8.3 31 209 Low cloud lifting but remaining cloudy with NE winds.
16 10.0 13.0 11.6 14.2 South 11.6 41 285 Rain with cool southerly winds easing in the afternoon, cloud clearing for a time in the evening.
17 7.3 20.5 12.7 15.0 North East 7.0 33 177 Mostly sunny morning with warm northerly breeze. Showers in the afternoon. A colder southerly change in the evening with heavy rain and some hail.
18 5.4 12.8 8.3 16.8 South West 13.0 53 318 Strong cold gusty southerly winds with squally showers, some with hail.
19 6.9 13.0 9.4 11.2 South 22 60 531 The windiest day of the year so far. Strong cold gusty southerly winds with squally showers, some with hail.
20 7.4 17.4 11.2 1.0 South 8.9 36 223 Morning cloud clearing, southerly winds turning NE mid afternoon and cloud increasing in the evening with showers.
21 8.8 22.2 14.2 2.2 North East 8.2 33 205 Morning showers clearing. An afternoon thunderstorm and a light shower with a change to warm northerly winds.
22 6.4 20.1 11.5 8.8 North East 1.5 19 43 Cloud building up with afternoon thunderstorms with heavy rain. Hail in some parts of town blocked drains and caused flooding. Evening showers.
23 8.3 20.4 12.5 3.6 South 5.0 34 127 Cloud building up around midday with showers and some hail. Clearing for the afternoon but showers returning in the evening.
24 10.0 15.6 11.7 9.8 South 9.7 39 240 Morning showers clearing but remaining cloudy with a cool southerly wind.
25 8.8 15.5 11.5 1.2 South 7.8 32 195 Light morning showers. Morning cloud breaking in the afternoon with a few sunny spells. Southerly winds changing to NE in the evening.
26 10.4 20.8 14.7 0 North East 9.4 34 229 Morning low cloud clearing to a sunny afternoon with NE winds. An evening change to a warm nor'west breeze gives the days maximum temperature at 7:50pm.
27 7.6 20.3 14.2 0 North East 6.0 31 153 Sunny with a NE wind easing in the evening.
28 11.1 16.4 14.0 0 North East 13.8 46 337 Cloudy with gusty NE winds.
29 16.0 21.3 18.3 0 North East 11.2 34 277 Cloudy with a NE wind.
30 13.5 24.7 18.0 0.2 North East 8.9 38 223 Mostly sunny morning, cloud increasing in the afternoon with a few spots of rain. Light evening showers.
31 11.9 21.4 15.7 3.0 North East 6.4 29 163 Morning cloud and showers clearing to a sunny morning. Cloud increasing in the afternoon with a shower.

December 2004 temperature graph December 2004 wind direction graph December 2004 wind speed graph December 2004 rainfall graph