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Dunedin Daily Observations Aug - Oct 2009
& Data Comparisons
170.48° E, 45.87°S altitude approx 135m.

Temperature & other observations from 63d Shetland St, Wakari, Dunedin starting 25 Dec 2007. These are taken in a Stevenson screen on an east facing porch. Readings are for24hrs to 09:00 on the day of entry (or as close to 09:00 as is convenient for me).
Dunedin Airport data from the Metservice website. Readings are for 24hrs to 09:00 on the day of entry.
             
  Nimbostratus over Otago harbour Four images at left from 29 July 2009 as a pre-frontal wave cloud moved across Dunedin from the west. The last is at sunset over Mt Cargill.  
  Wave cloud over Otago Harbour      
     
Wave cloud at sunset  
   
  Wave cloud over Mt Cargill
 
   
Date Temp Min °C
 Temp Max °C
 Dunedin Airport Temp Min °C
 Dunedin Airport Temp Max °C
 Dunedin Airport Rain mm Remarks
1-Aug-09 4.4 12.5 1 15   Sunny morn, incr cumulus & stratocum a’noon joined by nimbostratus later. In Lawrence 12:00 - 18:00. Light W wind. Light rain after 16:00.
2-Aug-09 1.9 9.7 -1 12 1.2 Cirro & alto & nimbostratus & altocum clearing through a’noon. Light rain 13:00 to 14:00. Mostly light wind becominng mod to fresh after dark.
3-Aug-09 4.0 9.4 3 10 2.0 Sunny morn, cirro & altostratus incr a’noon. Light wind.
4-Aug-09 6.9 11.4 3 14   Cldy. Nimbostratus, stratus, cumulus & stratocum. Light rain from12:00 followed by light to mod showers clearing by sunset. Mod to fresh S wind devel early a’noon, easing by evening.
5-Aug-09 6.0 12.5 6 13   Patchy cumulus & stratocum from SW mostly clearing by sunset. Few light a’noon showers. Light to mod S to SW wind.
6-Aug-09 2.0 11.5 -3 12 0.4 Sunny morn. Patchy strato & altocum from W mid a’noon. Light wind.
7-Aug-09 4.4 10.4 -1 13 0.2 Incr cirro & altostratus. Calm to light wind.
8-Aug-09 2.1 12.9 -2 15   Mostly cldy - cirro & altostratus, some altocum. Calm to kight wind.
9-Aug-09 2.8 12.0 -3 17   Mostly sunny - patchy cirrostratus. Calm to light wind.
10-Aug-09 1.9 13.5 -3 15   Cldy - incr cirro & altostratus. Calm to light wind.
11-Aug-09 4.5 10.2 0 9   Mostly cldy. Cirro & altostratus & altocum clearing late a’noon, followed by few altocum patches. Light wind.
12-Aug-09   14.6 4 17 5.2 Cldy. Light to mod rain easing through a’noon. Nimbostratus & stratus. Calm to light wind.
13-Aug-09 4.2 9.1 -1 9   Mostly sunny. Cumulus & stratocum incr in N. Light wind.
14-Aug-09 5.5 8.1 1 11 0.2 Mostly sunny. Cirrostratus patches. Stratus about peninsula hills. Mod N to NE wind.
15-Aug-09 3.9 9.7 0 15   Cldy. Incr cirro & altostratus & some stratus. Light N to NE wind. Some light rain after sunset.
16-Aug-09 7.0 8.7 2 12 1.2 Cldy. Alto & nimbostratus. Stratus incr, drizzle after 17:00. Light wind.
17-Aug-09 7.8 10.7 7 12 0.2 Mostly cldy. Stratus clearing. Cirrostratus incr through a’noon. Mod N to NE wind.
18-Aug-09 8.0 10.5 6 14 0.2 A little o’night rain. Cumulus, stratocum, cirrostratus and stratus mostly clearing by sunset. Mod S to SW wind easing.
19-Aug-09 3.4 10.5 -2 13   Mostly cldy - cumulus & stratocum. Calm to light wind.
20-Aug-09 7.0 11.8 1 14 0.2 Patchy cumulus & stratocum incr. Calm to light wind.
21-Aug-09 6.4 13.0 5 14 0.2 Patchy cumulus & stratocum. Light wind becoming mod at night. Cirro & altostratus incr late a’noon.
22-Aug-09 6.9 11.6 5 13   Patchy cirrostratus, some stratus & stratocum. Mod to fresh N to NE wind. Mostly sunny a’noon.
23-Aug-09 6.9 10.6 5 14   Mostly sunny. Cirrostratus patches & some cumulus & stratocum. Light S to SW wind.
24-Aug-09 7.0 13.0 3 15   Mostly sunny. Cirrostratus patches. Calm to light wind.
25-Aug-09 8.9 12.9 4 16   In Lawrence 13:00 - 18:30. Patchy cirrostratus incr with alto & nimbostratus at times. Some light to mod rain after 22:30. Wind calm to light & variable.
26-Aug-09 9.1 16.4 9 20 2.4 Some o’night rain & fresh wind. Mostly sunny day, mostly light wind. Cirrostratus patches.
27-Aug-09 7.0 14.8 6 16   Mostly sunny. Cirrostratus patches joined by cumulus & cumulonimbus through a’noon. Showers to the south. Light to mod SW to W wind.
28-Aug-09 7.0 14.0 7 15 0.2 Cldy morn, incr sun a’noon. Light rain early a’noon. Light wind.
29-Aug-09 5.4 16.0 2 16 1.4 Patchy cirrostratus joined by incr cumulus & stratocum through a’noon. Light N to NE wind.
30-Aug-09 6.4 13.0 4 15   Mostly cldy. Cirro, alto & nimbostratus & altocum. Mod N to NE wind.
31-Aug-09 7.1 13.5       Mostly sunny. Cirrostratus patches clearing through morn. Cumulonimbus in dist S. Mod W wind.
Aug 2009 Extreme Lows 1.9 8.1 -3 9    
Aug 2009 Extreme Highs 9.1 16.4 9 20    
Aug 2009 Averages 5.5 11.9 2.3 13.9    
Aug 2009 Totals         15.2  
   
Date Temp Min °C
 Temp Max °C
 Dunedin Airport Temp Min °C
 Dunedin Airport Temp Max °C
 Dunedin Airport Rain mm Remarks
1-Sep-09 7.5 12.3 9 14   mostly sunny. Alto & nimbostratus shower band moving through late morn from W delivering light shower. Cumulus & cumulonimbus in S. Some cumulus & stratocum in nearby W late a’noon. Fresh to strong W wind easing.
2-Sep-09 4.4 14.4 4 13 0.6 Mostly sunny. Some cumulus , nimbostratus & decaying cumulonimbus from SW or W. Few light showers. Mod tto fresh & briefly strong W to SW wind.
3-Sep-09 2.0 8.0 3 9 6.4 Light o’night snow above 300m. Patchy cumulus & stratocum from SW. Mod shower with some small hail (approx 2mm diam) around 14:00. Mod SW wind.
4-Sep-09 -1.2 8.0 -4 10 0.2 In Lawrence 13:00 - 19:00. Calm to light wind. Mostly sunny. Few cirrostratus patches. Snow persisting on Blue Mts.
5-Sep-09 -0.6 10.0 -5 12   Sunny. Traces of cirrus & cirrostratus. Calm to light S wind.
6-Sep-09 1.3 11.4 -2 14   Mostly cldy. Variable cirro & altostratus. Calm to light wind.
7-Sep-09 5.8 14.0 4 19   Mostly cldy. Variable cirro & altostratus. Calm to light wind.
8-Sep-09 6.3 16.7 0 19   Mostly cldy. Variable cirro & altostratus, some altocum. Calm to light wind.
9-Sep-09 5.4 19.1 0 20   Mostly cldy. Variable cirro & altostratus & altocum. Calm to light wind.
10-Sep-09 5.1 16.0 1 17   Cldy. Incr cirro & alto & nimbostratus & altocum. Calm to light wind.
11-Sep-09 8.6 13.4 7 17   Cldy. Cirro & alto & nimbostratus & altocum. Few sprinkles of rain a’noon. Calm to light wind.
12-Sep-09 5.5 21.4 2 20   Mostly cldy. Mod N to NE wind. Some light rain late a’noon.
13-Sep-09 5.6 13.5 3 16 1.4 Mostly sunny. Cirro & altostrat incr a’noon. Light wind becoming mod to fresh NW after 22:00.
14-Sep-09 12.0 21.0 9 22   Part cldy. Cirro & altostrat & altocum wave clds. Mod to fresh & occasionally strong W to NW wind easing by sunset.
15-Sep-09 8.1 23.4 8 24   Strong wind o’night easing to mod to fresh SW by dawn & turning mod N to NE by night. In Lawrence 12:30 - 19:00: Cumulus & stratocum patches clearing. Calm by sunset.
16-Sep-09 4.6 14.0 1 16   Mostly cldy. Incr cirro & altostratus & altocum joined by stratocum, cum & stratus from SW late a’noon. Mod wind, fresh at times a’noon.
17-Sep-09 4.4 16.6 1 19   Sunny morn. Cirro & altostratus incr a’noon. Calm to light wind.
18-Sep-09 7.5 12.5 7 16   Cirro & altostratus clearing mid a’noon. Mod SW wind. Mod shower around 22:00.
19-Sep-09 6.2 14.1 6 15   Clear. Light wind. In Lawrence 13:00 - 18:45: clear, wind calm to light SE.
20-Sep-09 2.1 12.8 -2 16   Sunny. Cirrostratus & altocum incr late a’noon. Calm to light wind.
21-Sep-09 4.7 15.6 1 18   Cldy. Cirro, alto & nimbostratus & altocum incr. Light rain mid a’noon. Mostly calm.
22-Sep-09 6.5 15.8 4 17 1.0 Mostly cldy. Cumulus, stratocum, cumulonimbus from SW. Occasional light to mod showers, a few briefly heavy with small hail (3-5mm diam). Brief thunder around 12:00 and mid a’noon. Mod S to SW wind.
23-Sep-09 0.7 10.6 -2 13 2.8 Light snow o’night to about 300m. Mostly cdy day. Frequent mostly light showers through a’noon, some with small hail, clearing by evening. Wind light to mod S to SW.
24-Sep-09 0.0 8.2 -3 10 1.8 Mostly cldy. Cirro & altostratus + patchy stratus from NE. Light showers after sunset. Wind mod to fresh N to NE becoming strong at times after sunset.
25-Sep-09 5.1 7.2 4 9 4.8 Cldy - stratus from NE & stratocum with other cld above it. Mod to fresh N to NE wind. Few light showers and some drizzle becoming heavier & persistent after sunset.
26-Sep-09 6.2 7.0 7 10 0.2 Cldy. Stratocum & stratus. Light wind.
27-Sep-09 6.0 10.0 3 13   Cldy. Stratus. Some light drizzle. Mod to fresh NE wind.
28-Sep-09 5.5 9.0 6 12 0.8 Cldy. Stratus, cumulus & stratocum. Wind calm to light. Light showers with a few mod falls from late morn tending to persistent light rain from early a’noon and becoming mod after sunset.
29-Sep-09 5.5 7.7 6 10 16.6 Cldy. Stratus, cumulus & stratocum starting to break up late a’noon. Light to mod rain through morn easing and clearing by mid a’noon. Mostly calm.
30-Sep-09 6.0 11.1 5 12 0.8 Cldy Cumulus, stratocum incr joined by stratus later. Light to briefly mod rain after 16:00 easing to light showers by sunset. Light to mod wind.
Sept 2009 Extreme Lows -1.2 7.0 -5 9    
Sept 2009 Extreme Highs 12.0 23.4 9 24    
Sept 2009 Averages 4.9 13.2 2.8 15.1    
Sept 2009 Totals         37.4  
   
Date Temp Min °C
 Temp Max °C
 Dunedin Airport Temp Min °C
 Dunedin Airport Temp Max °C
 Dunedin Airport Rain mm Remarks
1-Oct-09 5.8 12.5 6 13 0.2 Stratus & stratocum clearing through morn. Cirrostratus patches incr through a’noon and joined by altostratus & altocum late a’noon. Light wind.
2-Oct-09 7.7 12.2 7 15   Mostly cldy. Cumulus, cumulonimbus, stratocum & stratus from SW, part clearing late a’noon. Some light morn rain. Briefly heavy shower at 12:00 with brief thunder followed by further mod to briefly heavy showers. Brief thunder again around 14:00 and some hail (2-3mm diam). Showers clearing by 17:00, then sunny periods. Wind mostly light but mod S in heavier showers.
3-Oct-09 1.7 12.2 1 14 2.2 Mostly sunny. Cumulus & cumulonimbus remnants passing over from SW, incr late a’noon with light to mod showers after 20:00. Light wind becoming mod to fresh SW through a’noon, briefly strong at times later.
4-Oct-09 1.4 12.5 2 14 6.4 Mostly cldy. Cumulus, stratocum & cumulonimbus from SW. O’night snow to about 300m. Mostly light sleet & soft hail (2-5mm diam) showers clearing by early a’noon. Light S wind. A’noon sunny breaks.
5-Oct-09 -0.1 8.1 -1 10   Morn frost. Clear apart from traces of stratus. Light NE wind.
6-Oct-09 -0.4 10.9 -3 12   Stratocum moving in after early frost. In Lawrence from 12:00. Mostly cldy a’noon - cumulus & stratocum, some clearance at sunset. Light S wind.
7-Oct-09 0.7 11.0 -3 12   Mostly sunny. Cirrostratus patches moving in late a’noon. Light NE wind.
8-Oct-09 5.2 12.0 6 13 2.0 Mostly cldy. Variable amounts of stratus, cumulus, stratocum, nimbostratus. Some mostly light rain o’night & morn. Few light a’noon showers. Mod to briefly heavy showers after sunset. Calm to light wind.
9-Oct-09 4.0 8.7 5 11 5.6 Mostly cldy. Cumulus & stratocum from S Few light showers through morning. Mod to fresh S wind. Some mod rain & hail (2-3mm diam) showers after 18:00.
10-Oct-09 3.0 7.7 2 9 2.4 Mostly cldy. Cumulus & stratocum from S. Light to mod S to SW wind.
11-Oct-09 6.7 11.5 8 13   Sunny. Cumulus fragments from SW. WInd mod to fresh and occasionally strong SW.
12-Oct-09 3.9 14.5 1 15   Mostly sunny. Cirrostratus patches through a’noon. Light SW wind.
13-Oct-09 5.5 14.0 5 17   Cirro & altostratus clearing through morn. Cumulus & minor cumulonimbus moving in from NW through a’noon. In Lawrence from 13:30 - 20:55. Few sprinkles of rain there, heavier showers in dist S. Light S wind turning light to mod E.
14-Oct-09 7.0 13.4 3 16   Cldy. Alto & nimbostratus & altocum. Some light rain late morn & early a’noon. WInd mostly light N to NE.
15-Oct-09 8.4 12.0 7 13 3.8 Part cldy, light wind. Cumulus, stratus and cirrostratus patches.
16-Oct-09 7.1 14.9 5 19 0.2 Cldy - stratus, base around 300m. Calm to light wind.
17-Oct-09 7.0 10.5 8 12   Cldy. Stratus. Light drizzle turning to light to mod rain late a’noon. Calm to light wind.
18-Oct-09 6.0 9.0 7 10 4.0 Patchy stratocum decreasing. Calm to light wind.
19-Oct-09 2.9 9.7 2 12   Cldy. Alto & nimbostratus joined by cumulus, stratocum & stratus mid a’noon. Few sprinkles of rain turning to light rain by 14:00 becoming mod at times from 14:30. Mostly calm morning, mod S wind devel mid a’noon. Showers clearing after sunset.
20-Oct-09 3.7 14.7 4 15 0.4 Mostly cldy. Cumulus & stratocum slowly clearing from SW. Few light morn showers. Cirrostratus moving in late a’noon. Wind mod SW easing.
21-Oct-09 4.8 9.5 4 13 1.0 Mostly cldy. Variable amounts of cirro & altostratus & altocum joined by stratocum & stratus later. Light to mod N to NW wind turning briefly fresh SW to S late a’noon. Occasional light to mod showers after dark.
22-Oct-09 7.4 18.8 7 20 0.8 Mostly cldy. Cumulus & stratocum from SW. A few light showers through a’noon and one mod to heavy shower with small hail (1mm diam) between 12:30 & 13:00. Mod S to SW wind.
23-Oct-09 5.0 12.0 3 14 0.6 Mostly sunny. Light wind. Cumulus fragments clearing. Some cirrus moving in late a’noon.
24-Oct-09 5.7 11.3 5 14   Cirro & altostratus clearing to a mostly sunny a’noon. Light wind becoming mod by late a’noon.
25-Oct-09 4.7 15.2 3 17   Patchy cirrostratus incr through a’noon.
26-Oct-09 7.5 17.1 8 19 0.2 Cldy - stratus with other cld above it. Light rain and drizzle through morning and early a’noon, then showers. Light S wind.
27-Oct-09 5.6 8.6 5 10 5.0 Part cldy. Cumulus & stratocum patches from SW. Stratocum incr through a’noon. Light wind.
28-Oct-09 8.4 13.8 9 16   Cldy. Incr cirro & altostratus joined by nimbostratus, cumulus, stratocum & stratus through a’noon. Mod to briefly heavy showers arriving early a’noon, some with small hail (2-5mm diam) and fresh to strong SW to S wind. Showers decr after sunset.
29-Oct-09 2.8 13.0       Mostly cldy. Cumulus & stratocum from SW. Occasional light to mod showers, one early a’noon with small hail (1-2mm diam). Mod to fresh S to SW wind.
30-Oct-09 6.0 9.5 7 12 0.4 Cldy - stratus. Light wind, a little drizzle.
31-Oct-09 6.5 10.5 8 14 0.2 Part cldy. Patchy altocum from SW. Light N to NE wind. Few spots of rain after sunset.
Oct 2009 Extreme Lows -0.4 7.7 -3 9    
Oct 2009 Extreme Highs 8.4 18.8 9 20    
Oct 2009 Averages 4.9 12.0 4.4 13.8    
Oct 2009 Totals