January Summary

Well above average temperature, the warmest January and month in my records. More than twice the average rainfall thought with the heat, I doubt in many noticed. About average wind run.

  • January was well above my average temperature of 16.6C with 19.5C and is the warmest January and month I've recorded. The previous January record was 18.6C in 2009. This was also the warmest month in my records, exceeding February 2016 (19.4c) by 0.1C. The coolest January is 2001 with 13.4C.
    • The warmest temperature was 35.3C, my January record is 37.2C in 2009
    • The coldest temperature was 8.9C. The lowest January temperature I've recorded is in 2003 with 3.5C.
    • Twenty six days reached or exceeded 20C, my average is 22.
    • Twenty days reached or exceeded 25C, my average is 9.
    • Nine days reached or exceeded 30C, my average is 3. This is a new record, the previous records was 2013 and 2017 with 6.
    • Two days reached or exceeded 35C, my average is 0 but 2009 and 2016 recorded 1 day at or over 35C.
  • Wind run was 92% of my average of 5652km with 5212km. The windiest January I've recorded was 2017 with 6451km.
  • The barometer recorded above average pressure for the month with 1012.5hPa. My average is 1010.1hPa.
  • Rainfall was 268% of my average expected total of 39mm with 104mm, a new January record. The previous record was 2016 with 91mm.
    • The driest January is 2015 with 12mm.
January 2018 Summary
Temperature
Mean 19.5 C
Mean Maximum 25.9 C
Mean Minimum 15.3 C
Maximum High 35.3 C (24th)
Maximum Low 18.2 C (29th)
Minimum High 15.6 C (11th)
Minimum Low 8.9 C (7th)
Wind Speed and Direction
Maximum Gust 64 km/h (6th)
Mean 7.4 km/h
Wind Run 5212 km
Max Daily Windrun 447 km (6th)
Prevailing Direction East North East
Barometer
Maximum 1023.0 hPa (12th)
Minimum 992.0 hPa (5th)
Mean 1012.5 hPa
Max Daily Change +16.2 hPa (6th)
Rainfall
Days with Measured Rainfall
(0.5mm or more)
9
Max Daily Rainfall 44.0 mm (5th)
Monthly Rainfall 104 mm
Humidity
Maximum 100 % (Several days)
Minimum 25% (7th)

 

January Daily Observations
TemperatureWindRainfallBarometer
DateMinMaxMeanMean
(Km/h)
Gust
(Km/h)
Run (km)Prevailing Dir10 Minute Max (mm)Total (mm)Min (hPa)Max (hPa)Change (hPa)
1 13.0 23.5 17.2 7.1 32 159 East Nth East 0 0 1008.6 1011.5 +2.9
Mostly cloudy morning with sunny intervals in the afternoon. Light southerly breezes turning NE from late morning.
2 15.6 27.3 19.4 5.8 26 132 East Nth East 0 0 1009.0 1011.9 +2.9
Morning low cloud lifting and clearing to a sunny and warm afternoon. Variable light breezes turning NE in the afternoon, low cloud returning in the evening
3 16.5 29.0 19.9 6.6 36 151 East Nth East 0 0 1007.7 1011.8 -4.1
Early drizzle clearing and low cloud lifting and clearing to a sunny afternoon. Low cloud returning from late afternoon with increasing NE wind.
4 16.6 25.6 20.2 5.0 24 112 East Nth East 0 0 1004.3 1009.0 -4.7
Variable cloud with sunny intervals, overcast from mid afternoon. Light winds tending southerly turning cooler NE later in the afternoon.
5 13.5 17.7 16.0 10.5 50 240 South Sth West 3.5 44.0 992.0 1004.6 -12.6
Morning rain, heavy at times. Rain easing from late morning. Southerly strengthening in the evening with further showers. Some flooding near the Heathcote river - Stuff report
6 11.9 17.7 14.7 19.5 64 447 South Sth West 0.5 0.5 998.2 1014.4 +16.2
Early showers clearing before dawn. Cloud breaking to a mostly sunny afternoon with fresh to strong southerly winds easing in the evening. The second windiest January day in my records, the windiest is 9th Jan 2003 with 451 km and the second highest wind speed, the highest is 2nd January 2006 with 68km/h
7 8.9 26.3 16.2 5.1 25 116 South Sth West 0 0 1006.5 1014.5 -8.0
Clear and sunny for most of the day with light southerly winds, cloud increasing later in the afternoon with cooler a NE change with light rain in the evening. 
8 14.2 25.9 18.3 9.2 35 208 East Nth East 0 0 1008.6 1016.3 +7.7
Variable cloud but mostly sunny with southerly winds turning NE from early afternoon.
9 16.1 28.4 19.9 6.7 32 151 East Nth East 0 0 1009.7 1012.6 -2.9
Mostly cloudy with some sunny intervals, NE winds turning variable westerly from late morning.
10 12.7 16.5 15.1 7.1 27 162 South West 1.0 15.0 1011.0 1019.4 +8.4
Overcast with morning rain, lighter in the afternoon. Southerly winds. 
11 11.3 15.6 12.8 1.6 18 35 East Nth East 1.0 35.0 1018.0 1021.6 +3.6
Overcast with rain. Light breezes tending NE.
12 11.0 15.9 13.3 4.8 24 109 East Nth East 0.5 6.0 1020.5 1023.0 -2.5
Overcast with a few showers, NE winds.
13 13.3 21.4 16.3 9.5 30 217 East Nth East 0.5 1.0 1011.0 1021.1 -10.1
Overcast with morning drizzle. Drizzle clearing by midday and could breaking to a sunny and mild afternoon. NE winds.
14 13.5 32.1 21.7 7.4 32 167 East Nth East 0.5 0.5 1011.3 1015.1 +3.8
Clear, sunny and very warm with light NE winds in the morning, freshening in the afternoon. 0.5mm of rain from heavy morning dew.
15 16.5 24.0 20.2 12.4 39 285 East Nth East 0 0 1013.3 1016.1 -2.8
Low cloud clearing to a sunny and warm day with NE winds, fresh at times.
16 16.8 26.1 21.0 10.4 34 237 East Nth East 0 0 1010.6 1014.5 -3.9
Some high cloud but mostly sunny and warm with NE winds.
17 18.0 25.0 20.8 7.6 38 171 East Nth East 0.5 0.5 1006.8 1012.2 -5.4
Mostly cloudy with a shower mid afternoon. Warm with NE winds.
18 17.1 31.4 22.7 6.7 27 152 East Nth East 0 0 1005.6 1011.7 +6.1
Few clouds, light winds tending southerly in the afternoon. Cloud increasing in the evening with a few spots of rain.
19 16.7 25.1 19.6 8.1 33 186 East Nth East 0 0 1011.7 1015.6 +3.9
Morning cloud breaking to a sunny afternoon, NE winds.
20 15.8 35.2 22.8 6.6 31 150 East Nth East 0 0 1009.2 1016.1 +6.9
Sunny and hot with variable breezes turning cooler NE from mid afternoon. Third highest January temperature in my records to date. Highest Jan temperature is 2009 with 37.2C which is the highest temperature I've recorded.
21 17.1 25.9 20.1 3.5 21 78 East Nth East 0 0 1014.0 1018.6 -4.6
Mostly cloudy but some sunny intervals. Light winds tending NE.
22 17.9 30.7 21.3 4.7 22 107 East Nth East 0 0 1009.8 1014.2 -4.4
Morning cloud breaking to a mostly sunny afternoon with light southerly winds turning NE in theafternoon.
23 17.9 25.6 21.1 7.4 33 168 East Nth East 0 0 1008.0 1013.3 -5.3
Morning cloud breaking to a sunny afternoon with NE winds
24 14.7 35.3 24.2 5.4 28 123 East Nth East 0 0 1008.0 1012.3 +4.3
Sunny and hot with some high cloud in the afternoon, light breezes in the morning turning a little cooler NE in the afternoon.
25 15.5 30.7 21.9 7.5 30 171 East Nth East 0 0 1010.0 1019.1 +9.1
Morning low cloud clearing to sunny intervals and high cloud. Warm with NE winds turning cooler southerly in the evening.
26 17.2 24.6 19.6 6.3 27 143 East Nth East 0 0 1018.9 1022.7 +3.8
Overcast for most of the day but cloud breaking later in the afternoon. NE winds.
27 17.1 24.0 20.1 8.8 30 200 East Nth East 0 0 1018.3 1022.5 -4.2
Morning low cloud lifting abd breaking to a mostly sunny day with NE winds. Low cloud returning in the evening.
28 17.8 31.1 21.7 3.9 24 88 East Nth East 0 0 1019.5 1022.4 +2.9
Morning cloud breaking to a sunny day. Variable breezes turning NE from early afternoon.
29 18.2 23.1 20.3 11.1 41 253 East Nth East 0 0 1017.6 1022.5 -4.9
Morning cloud breaking to a sunny afternoon with fresh a NE wind.
30 17.7 31.4 23.5 5.7 27 130 East Nth East 0 0 1008.2 1018.2 -10
Morning cloud breaking to a sunny, warm day with NE winds.
31 15.3 32.1 23.9 6.4 30 147 East Nth East 0 0 995.4 1009.8 -14.4
Morning mist clearing to a sunny morning. High cloud increasing from midday with NE winds turning warm northerly.


January 2018  Temperature Graph
January 2018 Wind Dir Graph
January 2018 Wind Dir Graph
January 2018 Wind Speed Graph
January 2018 Rainfall Graph
January 2018 Barograph
January 2018 Humidity Graph