May Summary
Near average temperature, below average wind run and rainfall.
- May was close to my average temperature of 9.3C with 9.5C. The warmest May I've recorded was 2007 with 11.7C, the coolest May is 2001 and 2009 with 7.5C.
- The warmest temperature was 21.1C, my May record is 25.4C in 2002
- The coldest temperature was -1.3C, only 1 day recorded an air temperature at or below 0, my average is 4. The lowest May temperature I've recorded is in 2001 with -6.2C.
- Two days failed to reach 10C, my average is 3.
- Fifteen days reached or exceeded 15C, my average is 11.
- Three days reached or exceeded 20C, equalling my average.
- Wind run was 81% of my average of 3763km with 3033km. The windiest May I've recorded was 2009 with 5291km.
- The barometer recorded close to average pressure for the month with 1010.1hPa. My average is 1011.9hPa.
- Rainfall was 86% of my average expected total of 80mm with 68.5mm.
- The wettest May was 2009 with 192.8mm, the driest 2015 with 12.5mm
May 2018 Summary Temperature | |
---|---|
Mean | 9.5 C |
Mean Maximum | 14.8 C |
Mean Minimum | 5.1 C |
Maximum High | 21.1 C (6th) |
Maximum Low | 10.8 C (5th) |
Minimum High | 6.9 C (29th) |
Minimum Low | -1.3 C (25th) |
Wind Speed and Direction | |
Maximum Gust | 54 km/h (27th) |
Mean | 4.3 km/h |
Wind Run | 3033 km |
Max Daily Windrun | 272 km (27th) |
Prevailing Direction | East North East |
Barometer | |
Maximum | 1028.8 hPa (28th and 29th) |
Minimum | 974.1 hPa (22nd) |
Mean | 1010.1 hPa |
Max Daily Change | -23.6 hPa (22nd) |
Rainfall | |
Days with Measured Rainfall (0.5mm or more) |
15 |
Max Daily Rainfall | 10.0 mm (28th) |
Monthly Rainfall | 68.5 mm |
Humidity | |
Maximum | 100 % (Several days) |
Minimum | 34 % (19th) |
May Daily Observations | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Temperature | Wind | Rainfall | Barometer | |||||||||
Date | Min | Max | Mean | Mean (Km/h) | Gust (Km/h) | Run (km) | Prevailing Dir | 10 Minute Max (mm) | Total (mm) | Min (hPa) | Max (hPa) | Change (hPa) |
1 | 5.5 | 17.6 | 10.7 | 1.1 | 20 | 25 | South Sth West | 0 | 0 | 1002.3 | 1012.9 | +10.6 |
Sunny and mild in the afternoon with light breezes tending southerly. | ||||||||||||
2 | 6.1 | 17.0 | 10.6 | 1.0 | 24 | 22 | East Nth East | 0 | 0 | 1013.0 | 1021.4 | +8.4 |
Few clouds but mostly sunny with light winds tending NE. | ||||||||||||
3 | 5.7 | 16.3 | 10.6 | 4.3 | 27 | 99 | East Nth East | 0 | 0 | 1021.1 | 1025.7 | +4.6 |
Some cloud but mostly sunny, cool NE wind. | ||||||||||||
4 | 10.4 | 15.9 | 12.6 | 9.4 | 34 | 214 | East Nth East | 0 | 0 | 1023.3 | 1026.4 | -3.1 |
mostly cloudy with some sunny intervals, cool NE wind. | ||||||||||||
5 | 10.8 | 17.5 | 14.0 | 6.1 | 31 | 139 | East Nth East | 0 | 0 | 1009.0 | 1023.4 | -14.4 |
Variable cloud with a NE wind, cool at times. | ||||||||||||
6 | 7.3 | 21.1 | 13.6 | 3.7 | 36 | 85 | North Nth East | 0 | 0 | 1004.7 | 1011.9 | -7.2 |
Some high cloud in the afternoon but mostly sunny and mild with northerly winds from late morning. | ||||||||||||
7 | 6.0 | 20.8 | 12.4 | 1.8 | 24 | 41 | East Nth East | 0 | 0 | 1009.4 | 1014.1 | +4.7 |
Mild from late morning, high cloud increasing to overcast in the afternoon. Light winds tending NE. | ||||||||||||
8 | 6.6 | 18.6 | 12.8 | 3.1 | 34 | 70 | East Nth East | 0 | 0 | 1009.6 | 1014.7 | -5.1 |
Mostly cloudy with mild northerly winds from midday. | ||||||||||||
9 | 5.4 | 19.1 | 12.7 | 5.0 | 35 | 114 | East Nth East | 0 | 0 | 1012.1 | 1025.5 | +13.4 |
Sunny with a few high clouds, NE winds freshening in the evening. | ||||||||||||
10 | 7.6 | 20.7 | 12.6 | 3.2 | 24 | 73 | East Nth East | 0 | 0 | 1019.2 | 1023.9 | -4.7 |
Variable cloud but mostly sunny from late morning. Variable winds turning NE in the afternoon. | ||||||||||||
11 | 7.1 | 17.7 | 12.9 | 5.8 | 34 | 131 | East Nth East | 0 | 0 | 1000.1 | 1019.6 | -19.5 |
Variable cloud, NE wind. | ||||||||||||
12 | 9.4 | 14.5 | 11.4 | 7.4 | 32 | 170 | South Sth West | 0.5 | 1.0 | 1004.9 | 1025.4 | +20.5 |
Early light rain and drizzle clearing and a few sunny intervals around midday. Cloud increasing in the afternoon with a change to NE winds in the evening. | ||||||||||||
13 | 8.7 | 12.4 | 10.0 | 4.9 | 23 | 112 | East Nth East | 0.5 | 6.0 | 1017.5 | 1025.0 | -7.5 |
Overcast and cool with NE winds turning southerly with drizzle from mid afternoon. | ||||||||||||
14 | 8.3 | 13.7 | 10.1 | 1.9 | 16 | 43 | East Nth East | 0.5 | 1.0 | 1020.4 | 1023.3 | +2.7 |
Early drizzle and mist clearing to a dry but cool day with light winds tending NE. | ||||||||||||
15 | 9.6 | 12.6 | 10.7 | 1.2 | 15 | 27 | West | 0.5 | 9.0 | 1004.4 | 1021.9 | -17.5 |
Overcast and misty with light rain and drizzle. Light breezes tending westerly. | ||||||||||||
16 | 6.1 | 10.3 | 8.7 | 3.9 | 45 | 90 | West | 0.5 | 5.5 | 996.5 | 1004.4 | -7.9 |
Overcast with morning fog. A period of rain in the afternoon and later in the evening. Westerly breezes turning southerly in the afternoon. | ||||||||||||
17 | 4.3 | 13.1 | 8.1 | 3.5 | 29 | 79 | East Nth East | 0.5 | 2.5 | 1000.0 | 1005.6 | -5.6 |
Showers clearing before dawn with cloud breaking and clearing to a sunny day with cool NE winds from afternoon. | ||||||||||||
18 | 2.7 | 18.8 | 9.3 | 1.6 | 21 | 36 | North Nth West | 0 | 0 | 1000.9 | 1005.5 | +4.6 |
Sunny and mild in the afternoon with northerly breezes. | ||||||||||||
19 | 3.7 | 19.8 | 10.1 | 2.3 | 24 | 54 | North Nth West | 0 | 0 | 997.1 | 1003.6 | -6.5 |
Sunny with some high cloud, winds turning mild northerly from late morning. | ||||||||||||
20 | 3.0 | 18.1 | 9.5 | 5.0 | 37 | 114 | North Nth East | 0.5 | 2.0 | 984.1 | 1001.4 | -17.3 |
Mostly cloudy with mile northerly winds from early afternoon. | ||||||||||||
21 | 3.8 | 13.8 | 9.3 | 4.4 | 30 | 99 | South Sth West | 0 | 0 | 986.9 | 999.4 | +12.5 |
Few clouds but mostly sunny with light southerly winds turning NE in the afternoon. | ||||||||||||
22 | 2.8 | 16.1 | 9.5 | 7.2 | 47 | 164 | East Nth East | 0 | 0 | 974.1 | 997.7 | -23.6 |
Cloudy with with north to NE winds tending southerly in the evening. | ||||||||||||
23 | 0.6 | 11.9 | 5.8 | 2.9 | 32 | 65 | South Sth West | 1.5 | 6.5 | 977.1 | 997.4 | +20.3 |
Early showers clearing by dawn then sunny but cool. Afternoon shower with hail. | ||||||||||||
24 | 0.1 | 13.7 | 6.6 | 5.2 | 44 | 119 | North Nth West | 0.5 | 0.5 | 983.7 | 997.1 | -13.4 |
Variable cloud, NE winds turning northerly from late morning. | ||||||||||||
25 | -1.3 | 10.8 | 4.5 | 5.9 | 37 | 134 | West | 1.5 | 7.0 | 986.8 | 1008.4 | +21.6 |
Morning frost, sunny till midday, showers from midday with west to SW winds. | ||||||||||||
26 | 2.7 | 10.1 | 6.8 | 4.3 | 31 | 98 | East Nth East | 1.0 | 6.5 | 1000.5 | 1011.6 | -11.1 |
Showers clearing by dawn, variable cloud with cool NE wind. | ||||||||||||
27 | 2.7 | 10.5 | 6.4 | 11.8 | 54 | 272 | South Sth West | 1.0 | 9.0 | 1004.2 | 1016.2 | +12.0 |
Cold southerly wind from late morning with showers from afternoon, some with hail. | ||||||||||||
28 | 3.3 | 7.4 | 4.9 | 11.1 | 53 | 254 | South Sth West | 0.5 | 10.0 | 1015.9 | 1028.0 | +12.1 |
Showers with cold southerly winds. | ||||||||||||
29 | 3.3 | 6.9 | 4.9 | 1.3 | 15 | 30 | South Sth West | 0.5 | 1.0 | 1025.2 | 1028.0 | -2.8 |
Cloudy and cold with light breezes. | ||||||||||||
30 | 1.1 | 10.5 | 5.6 | 1.2 | 14 | 28 | South Sth West | 0 | 0 | 1022.7 | 1026.6 | -3.9 |
Sunny morning, cloud increasing in the afternoon, light southerly breezes. | ||||||||||||
31 | 3.7 | 10.4 | 6.5 | 0.7 | 10 | 15 | West Nth West | 0 | 0 | 1022.9 | 1025.8 | +2.9 |
Mostly cloudy but a few sunny intervals. Light breezes. |