Lyttelton, New Zealand: Summary Report
Covering the period 1 December to 31 December

This report is automatically generated every day at Midnight until the end of the month


Maximums and minimums

Maximum temperature: +31.9 °C at 12:07:00 on 31 December
Minimum temperature: +5.7 °C at 05:15:00 on 22 December

Maximum humidity: 100 % at 00:38:00 on 21 December
Minimum humidity: 20 % at 13:04:00 on 30 December

Maximum dew point: +17.4 °C at 08:11:00 on 16 December
Minimum dew point: -0.9 °C at 03:47:00 on 08 December

Minimum wind chill: +3.9 °C at 04:57:00 on 22 December
Maximum heat index: +30.2 °C at 12:06:00 on 31 December

Maximum barometric pressure: 1021 hPa at 02:47:00 on 26 December
Minimum barometric pressure: 983 hPa at 18:47:00 on 16 December

Maximum wind gust: 36.7 km/h from 37° at 15:40:00 on 14 December

Maximum indoor temperature: +26.8 °C at 20:09:00 on 30 December
Minimum indoor temperature: +17.9 °C at 01:38:00 on 22 December


Averages

Average temperature: +17.4 °C
Average maximum temperature: +23.1 °C
Average minimum temperature: +11.6 °C

Average humidity: 61 %
Average maximum humidity: 85 %
Average minimum humidity: 37 %

Average dew point: +8.4 °C
Average maximum dew point: +12.2 °C
Average minimum dew point: +4.5 °C

Average minimum wind chill: +10.6 °C
Average maximum heat index: +25.4 °C

Average barometric pressure: 1006.86 hPa
Average maximum barometric pressure: 1010.55 hPa
Average minimum barometric pressure: 1003.16 hPa

Average indoor temperature: +22 °C
Average maximum indoor temperature: +23.1 °C
Average minimum indoor temperature: +20.9 °C


Rainfall summary:
(Entries are for the 24 hours ENDING at the indicated date)

1st December - (5 mm)
9th December - (4 mm)
15th December - (4 mm)
17th December - (1 mm)
18th December - (1 mm)
19th December - (2 mm)
20th December - (17 mm)
21st December - (3 mm)

Number of rain days: 8
Maximum peak rainfall rate: 4 mm/hour at 11:39:00 on 20 December
Total rainfall for December: 37 mm
Days since rain: 10
Last Rain amount: 3 mm

Average of daily peak wind gusts: 28.5 km/h
Average of daily peak wind gust direction: 125°