Perth's Daily Observations - 1999

PERTH'S DAILY OBSERVATIONS - 1999

Perth, Western Australia

Here is the daily weather conditions for a site in Perth's northern suburbs about 15 kilometres from the city.

This is not an official observing site

1995 1996 1997 1998 1999 2000 2001 2002 2003

Temperatures in degrees celsius Rainfall in millimetres

JANUARY, 1999

MAX MIN RAIN 1 32.3 22.8 0.0 2 33.1 20.6 0.0 3 30.0 19.1 0.0 4 28.0 18.3 0.0 5 26.4 12.9 TR 6 28.7 13.1 0.0 7 33.6 16.5 0.0 8 39.1 20.0 0.0 9 28.1 19.0 0.0 10 26.5 15.6 0.0 11 31.4 15.2 0.0 12 28.7 18.0 0.0 13 34.5 18.9 0.0 14 28.9 21.1 TR 15 31.2 19.5 0.0 16 39.1 20.7 0.0 17 33.6 22.2 0.0 18 34.2 19.0 0.0 19 36.2 17.6 0.0 20 40.7 21.5 0.0 21 33.3 23.2 0.0 22 34.3 21.1 40.2 23 33.2 20.8 8.2 24 38.7 22.6 0.0 25 37.5 23.4 0.0 26 40.6 24.4 0.0 27 35.6 24.3 0.0 28 32.3 23.0 0.0 29 36.3 22.4 0.0 30 35.1 21.3 0.0 31 30.0 21.3 0.0 Average MAXIMUM: 33.3 C 91.9 F Average MINIMUM: 20.0 C 68.0 F Highest MAXIMUM: 40.7 C 105.3 F Highest MINIMUM: 24.4 C 75.9 F Lowest MAXIMUM: 26.4 C 79.5 F Lowest MINIMUM: 12.9 C 55.2 F Highest RAINFALL: (24H) 40.2 mm 1.58 in Total RAINFALL: 48.4 mm 1.91 in No. of Days above 40C (104F) 2 No. of Days above 35C (95F) 10 No. of Days above 30C (86F) 24 No. of Days above 25C (77F) 31 No. of Days of Rainfall 2

FEBRUARY, 1999

MAX MIN RAIN 1 29.4 20.0 0.0 2 28.9 17.8 0.0 3 29.6 18.0 0.0 4 32.9 17.2 0.0 5 31.2 20.0 0.0 6 37.7 19.8 0.0 7 40.6 23.9 0.0 8 41.1 24.8 0.0 9 30.5 21.3 0.0 10 31.2 17.7 0.0 11 34.9 19.9 0.0 12 36.5 23.6 0.0 13 31.7 20.9 0.0 14 33.1 17.4 0.0 15 33.8 17.4 0.0 16 34.1 19.2 0.0 17 33.9 19.3 0.0 18 37.2 21.4 0.0 19 31.7 21.9 0.0 20 32.6 21.1 0.0 21 32.6 20.4 0.0 22 33.2 21.3 0.0 23 37.7 20.1 0.0 24 38.7 24.3 0.0 25 41.0 26.8 0.0 26 39.4 25.3 0.0 27 37.9 25.0 0.0 28 34.7 21.9 0.0 Average MAXIMUM: 34.5 C 94.1 F Average MINIMUM: 21.0 C 69.8 F Highest MAXIMUM: 41.1 C 106.0 F Highest MINIMUM: 26.8 C 80.2 F Lowest MAXIMUM: 28.9 C 84.0 F Lowest MINIMUM: 17.2 C 63.0 F Highest RAINFALL: (24H) 0.0 mm 0.00 in Total RAINFALL: 0.0 mm 0.00 in No. of Days above 40C (104F) 3 No. of Days above 35C (95F) 10 No. of Days above 30C (86F) 25 No. of Days above 25C (77F) 28 No. of Days of Rainfall 0

MARCH, 1999

MAX MIN RAIN 1 31.7 20.1 0.0 2 29.1 19.0 0.0 3 28.1 17.7 0.0 4 28.6 16.6 0.0 5 28.7 16.2 0.0 6 30.7 17.3 0.0 7 30.7 18.8 0.0 8 27.6 18.5 4.1 9 28.4 13.6 0.0 10 35.7 18.1 0.0 11 34.5 22.9 0.0 12 37.9 23.6 0.0 13 32.6 22.1 0.0 14 29.9 20.2 0.0 15 34.8 21.7 0.0 16 33.2 22.6 0.0 17 35.0 20.0 0.0 18 30.9 22.0 14.0 19 28.3 21.3 8.2 20 28.3 22.0 1.8 21 30.0 20.8 0.0 22 32.4 21.3 0.0 23 31.4 21.0 0.0 24 27.6 18.9 0.0 25 27.4 16.3 0.0 26 26.3 14.4 0.0 27 27.9 16.4 0.0 28 28.6 15.7 0.0 29 30.1 16.4 0.0 30 28.3 17.3 0.0 31 26.7 17.2 0.0 Average MAXIMUM: 30.4 C 86.7 F Average MINIMUM: 19.0 C 66.2 F Highest MAXIMUM: 37.9 C 100.2 F Highest MINIMUM: 23.6 C 74.5 F Lowest MAXIMUM: 26.3 C 79.3 F Lowest MINIMUM: 13.6 C 56.5 F Highest RAINFALL: (24H) 14.0 mm 0.55 in Total RAINFALL: 28.1 mm 1.11 in No. of Days above 40C (104F) 0 No. of Days above 35C (95F) 3 No. of Days above 30C (86F) 15 No. of Days above 25C (77F) 31 No. of Days of Rainfall 4

APRIL, 1999

MAX MIN RAIN 1 26.8 15.5 0.0 2 27.0 13.6 0.0 3 29.0 15.2 0.0 4 30.5 17.2 0.0 5 34.1 17.9 0.0 6 35.1 19.7 TR 7 34.4 19.7 0.0 8 29.9 18.7 0.0 9 31.1 20.9 2.2 10 29.5 21.5 TR 11 30.2 20.4 0.0 12 33.8 20.6 0.0 13 34.9 22.3 0.0 14 34.9 22.9 14.2 15 31.5 21.0 TR 16 30.6 19.7 0.0 17 28.5 19.1 9.8 18 27.8 17.8 0.0 19 29.0 17.3 0.0 20 30.3 18.8 0.0 21 33.6 19.9 0.0 22 29.4 17.5 0.0 23 25.3 14.8 0.0 24 24.2 11.4 0.0 25 25.6 12.5 0.0 26 26.2 12.6 0.0 27 28.6 13.5 0.0 28 27.5 15.3 0.0 29 28.5 13.4 0.0 30 28.2 13.5 0.0 Average MAXIMUM: 29.9 C 85.8 F Average MINIMUM: 17.5 C 63.5 F Highest MAXIMUM: 35.1 C 95.2 F Highest MINIMUM: 22.9 C 73.2 F Lowest MAXIMUM: 24.2 C 75.6 F Lowest MINIMUM: 11.4 C 52.5 F Highest RAINFALL: (24H) 14.2 mm 0.56 in Total RAINFALL: 26.2 mm 1.03 in No. of Days above 40C (104F) 0 No. of Days above 35C (95F) 1 No. of Days above 30C (86F) 13 No. of Days above 25C (77F) 29 No. of Days of Rainfall 3

MAY, 1999

MAX MIN RAIN 1 25.5 12.4 1.2 2 26.3 16.4 0.8 3 26.2 14.7 0.0 4 28.3 16.9 TR 5 23.1 14.9 2.4 6 17.4 15.0 2.0 7 17.5 14.4 0.0 8 17.1 15.8 0.6 9 24.2 17.1 TR 10 26.3 16.3 2.0 11 25.0 14.4 0.0 12 20.9 14.9 1.4 13 20.3 14.3 4.4 14 25.6 14.1 1.4 15 22.7 14.2 0.0 16 24.0 13.6 0.0 17 27.4 12.8 0.0 18 25.3 11.4 0.0 19 23.9 16.6 20.0 20 22.8 13.6 TR 21 20.1 13.8 14.4 22 22.5 10.8 0.0 23 21.7 9.7 0.0 24 25.3 10.5 0.0 25 18.5 12.0 0.0 26 21.1 15.7 20.4 27 24.6 16.3 18.8 28 20.0 14.0 4.6 29 21.5 10.0 0.0 30 24.7 9.7 0.0 31 23.3 10.8 0.0 Average MAXIMUM: 23.0 C 73.4 F Average MINIMUM: 13.8 C 56.8 F Highest MAXIMUM: 28.3 C 82.9 F Highest MINIMUM: 17.1 C 62.8 F Lowest MAXIMUM: 17.1 C 62.8 F Lowest MINIMUM: 9.7 C 49.5 F Highest RAINFALL: (24H) 20.4 mm 0.80 in Total RAINFALL: 94.4 mm 3.72 in No. of Days above 40C (104F) 0 No. of Days above 35C (95F) 0 No. of Days above 30C (86F) 0 No. of Days above 25C (77F) 10 No. of Days of Rainfall 14

JUNE, 1999

MAX MIN RAIN 1 23.5 12.6 TR 2 22.1 12.7 0.0 3 21.8 11.1 6.4 4 18.8 8.3 0.0 5 19.8 7.2 0.0 6 20.7 11.2 0.0 7 20.8 10.9 0.0 8 21.1 12.2 6.0 9 20.3 12.0 0.0 10 22.4 12.2 TR 11 19.3 10.3 14.4 12 18.1 8.6 0.0 13 19.8 12.6 1.0 14 22.0 14.5 19.8 15 22.1 15.2 5.6 16 21.0 13.9 0.0 17 21.5 13.7 25.6 18 22.0 13.5 6.4 19 22.6 13.2 1.8 20 22.5 12.5 0.0 21 20.4 12.0 0.0 22 22.4 13.9 18.2 23 21.1 11.7 1.8 24 20.2 11.0 0.0 25 20.0 13.2 6.4 26 21.0 13.0 0.6 27 22.3 15.3 4.0 28 19.7 12.0 5.6 29 18.8 8.3 0.0 30 18.1 6.3 0.0 Average MAXIMUM: 20.9 C 69.6 F Average MINIMUM: 11.8 C 53.2 F Highest MAXIMUM: 23.5 C 74.3 F Highest MINIMUM: 15.3 C 59.5 F Lowest MAXIMUM: 18.1 C 64.6 F Lowest MINIMUM: 6.3 C 43.3 F Highest RAINFALL: (24H) 25.6 mm 1.01 in Total RAINFALL: 123.6 mm 4.87 in No. of Days above 40C (104F) 0 No. of Days above 35C (95F) 0 No. of Days above 30C (86F) 0 No. of Days above 25C (77F) 0 No. of Days of Rainfall 15

JULY, 1999

MAX MIN RAIN 1 17.9 8.5 0.0 2 18.9 8.6 0.0 3 22.0 11.4 0.0 4 19.7 14.3 30.4 5 21.3 13.3 9.6 6 19.1 10.3 7.8 7 18.1 7.7 0.0 8 17.4 6.4 0.0 9 18.7 7.2 2.0 10 20.9 12.4 TR 11 22.0 13.6 0.0 12 23.5 15.2 0.0 13 19.2 14.4 19.8 14 20.8 15.7 5.4 15 21.1 15.1 12.0 16 19.9 14.1 9.8 17 20.3 14.0 2.0 18 22.3 14.5 1.8 19 20.4 12.1 0.0 20 20.1 11.9 0.0 21 21.4 12.1 0.0 22 19.7 9.9 0.0 23 21.4 9.9 0.0 24 24.1 11.3 0.0 25 23.6 13.2 6.2 26 20.8 11.2 6.2 27 19.9 10.9 0.0 28 16.9 9.5 10.2 29 17.9 6.2 0.0 30 19.0 8.5 0.0 31 19.8 8.7 0.0 Average MAXIMUM: 20.3 C 68.5 F Average MINIMUM: 11.4 C 52.5 F Highest MAXIMUM: 24.1 C 75.4 F Highest MINIMUM: 15.7 C 60.3 F Lowest MAXIMUM: 16.9 C 62.4 F Lowest MINIMUM: 6.2 C 43.2 F Highest RAINFALL: (24H) 30.4 mm 1.20 in Total RAINFALL: 123.2 mm 4.85 in No. of Days above 40C (104F) 0 No. of Days above 35C (95F) 0 No. of Days above 30C (86F) 0 No. of Days above 25C (77F) 0 No. of Days of Rainfall 13

AUGUST, 1999

MAX MIN RAIN 1 20.4 9.0 0.0 2 20.0 8.7 0.0 3 20.7 8.7 0.0 4 20.2 10.3 0.0 5 21.0 9.5 0.0 6 19.1 7.9 20.0 7 18.1 6.5 0.0 8 19.9 7.5 0.0 9 20.8 12.5 2.2 10 19.1 11.7 30.4 11 17.7 9.3 5.4 12 19.1 8.3 0.0 13 19.9 7.3 0.0 14 20.1 10.6 TR 15 19.5 13.3 2.4 16 24.1 14.2 2.0 17 21.1 17.0 35.4 18 20.6 13.4 6.4 19 19.6 9.1 0.6 20 19.6 6.5 0.0 21 19.3 8.4 0.0 22 21.5 8.3 0.0 23 23.0 12.4 0.0 24 20.6 14.0 5.0 25 21.1 11.7 5.6 26 21.0 10.9 TR 27 22.4 14.1 0.0 28 22.4 13.5 25.2 29 21.9 13.7 21.6 30 21.3 10.1 0.0 31 22.3 8.5 0.0 Average MAXIMUM: 20.6 C 69.1 F Average MINIMUM: 10.5 C 50.9 F Highest MAXIMUM: 24.1 C 75.4 F Highest MINIMUM: 17.0 C 62.6 F Lowest MAXIMUM: 17.7 C 63.9 F Lowest MINIMUM: 6.5 C 43.7 F Highest RAINFALL: (24H) 35.4 mm 1.39 in Total RAINFALL: 162.2 mm 6.39 in No. of Days above 40C (104F) 0 No. of Days above 35C (95F) 0 No. of Days above 30C (86F) 0 No. of Days above 25C (77F) 0 No. of Days of Rainfall 13

SEPTEMBER, 1999

MAX MIN RAIN 1 23.4 12.0 0.0 2 20.4 12.5 9.8 3 16.4 7.6 12.2 4 19.0 5.8 0.6 5 21.1 6.6 0.0 6 21.2 7.8 0.0 7 22.0 8.6 0.0 8 21.9 9.9 0.0 9 25.8 11.8 0.0 10 23.6 13.0 20.2 11 21.5 13.4 20.0 12 22.6 13.3 0.0 13 21.9 12.9 10.2 14 19.5 10.9 8.2 15 18.8 8.5 0.0 16 19.3 6.5 0.0 17 22.3 9.5 0.0 18 24.3 9.9 0.0 19 23.4 9.5 0.0 20 24.4 13.0 1.6 21 18.9 14.5 4.8 22 22.4 11.1 0.0 23 23.6 10.7 0.0 24 26.5 10.6 0.0 25 28.9 13.9 2.2 26 24.7 15.6 5.4 27 21.1 11.7 11.8 28 21.5 9.6 0.0 29 23.5 12.5 0.0 30 23.3 10.9 4.2 Average MAXIMUM: 22.2 C 72.0 F Average MINIMUM: 10.8 C 51.4 F Highest MAXIMUM: 28.9 C 84.0 F Highest MINIMUM: 15.6 C 60.1 F Lowest MAXIMUM: 16.4 C 61.5 F Lowest MINIMUM: 5.8 C 42.4 F Highest RAINFALL: (24H) 20.2 mm 0.80 in Total RAINFALL: 111.2 mm 4.38 in No. of Days above 40C (104F) 0 No. of Days above 35C (95F) 0 No. of Days above 30C (86F) 0 No. of Days above 25C (77F) 3 No. of Days of Rainfall 13

OCTOBER, 1999

MAX MIN RAIN 1 21.9 9.0 0.0 2 24.2 10.6 0.0 3 27.0 10.3 0.0 4 26.8 13.0 0.0 5 24.8 14.1 0.0 6 23.9 16.1 4.2 7 20.7 11.8 30.2 8 20.6 12.5 19.8 9 22.9 11.2 0.0 10 23.1 10.6 0.0 11 23.7 10.0 0.0 12 24.1 15.5 0.0 13 23.5 12.9 18.4 14 21.3 11.9 10.8 15 22.0 14.6 2.0 16 22.4 11.2 0.0 17 23.4 10.1 0.0 18 27.4 12.1 0.0 19 29.4 14.2 0.0 20 28.7 13.1 0.0 21 29.6 15.4 0.0 22 32.4 14.8 0.0 23 26.2 15.6 TR 24 23.2 12.3 0.0 25 24.1 12.0 0.0 26 25.1 11.4 0.0 27 25.9 12.2 0.0 28 25.6 14.0 0.0 29 25.7 14.0 0.0 30 25.1 12.0 0.0 31 29.0 14.1 0.0 Average MAXIMUM: 25.0 C 77.0 F Average MINIMUM: 12.7 C 54.9 F Highest MAXIMUM: 32.4 C 90.3 F Highest MINIMUM: 16.1 C 61.0 F Lowest MAXIMUM: 20.6 C 69.1 F Lowest MINIMUM: 9.0 C 48.2 F Highest RAINFALL: (24H) 30.2 mm 1.19 in Total RAINFALL: 85.4 mm 3.36 in No. of Days above 40C (104F) 0 No. of Days above 35C (95F) 0 No. of Days above 30C (86F) 1 No. of Days above 25C (77F) 14 No. of Days of Rainfall 6

NOVEMBER, 1999

MAX MIN RAIN 1 32.5 15.5 0.0 2 34.5 18.7 0.0 3 34.1 19.1 TR 4 29.6 19.7 0.0 5 28.3 16.8 0.0 6 25.9 12.6 0.0 7 25.1 11.7 0.0 8 25.6 11.8 0.0 9 30.5 15.4 0.0 10 33.2 16.9 0.0 11 29.6 15.5 0.0 12 27.4 14.5 0.0 13 27.7 14.7 0.0 14 26.1 14.3 0.0 15 28.5 16.6 TR 16 28.3 17.4 5.4 17 27.2 13.5 0.0 18 25.4 12.2 0.0 19 28.9 14.3 0.0 20 29.0 15.6 0.0 21 31.4 15.6 0.0 22 33.2 16.1 0.0 23 35.4 18.1 0.0 24 38.5 21.3 0.0 25 33.5 19.6 0.0 26 31.1 19.0 0.0 27 31.7 18.9 0.0 28 34.7 19.9 0.0 29 33.0 21.1 0.0 30 29.5 18.4 0.0 Average MAXIMUM: 30.3 C 86.5 F Average MINIMUM: 16.5 C 61.7 F Highest MAXIMUM: 38.5 C 101.3 F Highest MINIMUM: 21.3 C 70.3 F Lowest MAXIMUM: 25.6 C 78.1 F Lowest MINIMUM: 11.7 C 53.1 F Highest RAINFALL: (24H) 5.4 mm 0.21 in Total RAINFALL: 5.4 mm 0.21 in No. of Days above 40C (104F) 0 No. of Days above 35C (95F) 2 No. of Days above 30C (86F) 14 No. of Days above 25C (77F) 30 No. of Days of Rainfall 1

DECEMBER, 1999

MAX MIN RAIN 1 27.0 17.2 0.6 2 27.3 16.8 0.0 3 31.5 15.9 0.0 4 39.4 18.6 TR 5 33.5 20.2 TR 6 31.7 20.0 0.0 7 28.4 16.5 0.0 8 28.8 16.3 0.0 9 30.1 16.9 0.0 10 31.7 16.6 0.0 11 30.0 16.9 1.0 12 37.8 20.8 1.2 13 32.1 20.1 0.0 14 33.2 20.3 0.0 15 32.4 16.8 0.0 16 32.7 16.4 0.0 17 35.9 18.3 0.0 18 38.5 23.1 0.0 19 36.9 20.4 5.4 20 33.0 19.6 0.0 21 39.0 23.0 0.0 22 43.0 25.1 0.0 23 33.0 22.4 0.0 24 40.1 23.0 0.0 25 38.0 21.3 0.0 26 39.0 20.6 0.0 27 41.7 25.0 0.0 28 39.0 25.8 0.0 29 37.0 25.0 0.0 30 37.3 23.9 0.0 31 38.7 24.1 0.0 Average MAXIMUM: 34.8 C 94.6 F Average MINIMUM: 20.2 C 68.4 F Highest MAXIMUM: 43.0 C 109.4 F Highest MINIMUM: 25.8 C 78.4 F Lowest MAXIMUM: 27.0 C 80.6 F Lowest MINIMUM: 15.9 C 60.6 F Highest RAINFALL: (24H) 5.4 mm 0.21 in Total RAINFALL: 8.2 mm 0.32 in No. of Days above 40C (104F) 3 No. of Days above 35C (95F) 15 No. of Days above 30C (86F) 27 No. of Days above 25C (77F) 31 No. of Days of Rainfall 4 1999 STATISTICS ...TEMPERATURE... Average Maximum: 27.1C Average Minimum: 15.4C Highest Average Maximum for a month: 34.8C December Highest Average Minimum for a month: 21.0C February Lowest Average Maximum for a month: 20.3C July Lowest Average Minimum for a month: 10.5C August Highest Maximum: 43.0C 22nd December Highest Minimum: 26.8C 25th February Lowest Maximum: 16.4C 3rd September Lowest Minimum: 5.8C 4th September Days above 40C: 8 Days above 35C: 41 Days above 30C: 119 Days above 25C: 207 Most days in a row with 35C plus: 8 days 24th to 31st December Most days in a row with 30C plus: 26 days 4th February to 1st March ...RAINFALL... Total Rainfall: 761.1mm Highest Rainfall in a month: 162.2mm August Lowest Rainfall in a month: 0.0mm February Highest Rainfall in 24 hours: 40.2mm 22nd January Longest Dry Spell: 43 days 24th January to 7th March Longest Wet Spell: 6 days 13th July to 18th July

1995 1996 1997 1998 1999 2000 2001 2002 2003

This page was last updated on the 13th December, 2002 at 2:00am WST

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