End of Month Reports

    End of Month Reports
    June 1, 20190

    Cooler and Wetter in May 2019

    Air Temperature

    Highest Maximum 24°C 11th, 24th, 25th and 29th
    Lowest Maximum 18°C 6th, 7th and 16th
    Highest Minimum 17°C 26th, 28th and 29th
    Lowest Minimum 12°C 3rd, 8th and 17th

     

    Mean Maximum 21.0°C
    Mean Minimum 14.0°C
    Mean 17.5°C

     

    Relative Humidity

    Highest Relative Humidity 73% 2nd and 3rd
    Lowest Relative Humidity 29% 22nd

     

    Mean Relative Humidity 61.0%

     

    Atmospheric Pressure

    Highest Atmospheric Pressure 1022.0hPa 30th
    Lowest Atmospheric Pressure 1000.0hPa 4th

     

    Mean Atmospheric Pressure 1014.0hPa

     

    Wind

    Highest Gust 68km/h 6th

     

    Mean Wind Speed 12km/h
    Mean Gust Speed 30km/h
    Mean Wind + Gust Speed 21.5km/h
    Most Frequent Wind Direction Northwest

     

    Precipitation

    Total Rainfall During May 2019 21.1 mm
    Total Rainfall Since Last 01/09 503.7 mm

     

    Highest 24 Hour Total 7.8 mm 3rd

     

    Rain Days 8
    Thunderstorm Days 4
    Hail Days 0

     

    Rainfall Events

    03/05/2019 7.8 mm Showers
    04/05/2019 0.5 mm Thunderstorm
    12/05/2019 2.5 mm Thunderstorm
    13/05/2019 0.3 mm Light Rain
    14/05/2019 2.3 mm Light Rain
    16/05/2019 5.6 mm Thunderstorm
    26/05/2019 1.8 mm Thunderstorm
    30/05/2019 0.3 mm Light Rain

     

    May 2019 Compared to the Climate Means 

      Climate Mean May 2019 Anomaly
    Mean Maximum Temperature 23.9°C 21.0°C -2.9°C
    Mean Minimum Temperature 15.7°C 14.0°C -1.7°C
    Mean Temperature 19.8°C 17.5°C -2.3°C
    Mean Relative Humidity 74% 61% -13%
    Mean Atmospheric Pressure 1015.3hPa 1014.0hPa +1.3hPa
    Mean Wind Speed 17.0 km/h 21.5km/h +4.5km/h
    Most Frequent Wind Direction Northwest Northwest Nil
    Total Rainfall 10.6 mm 21.1 mm +10.5 mm
    Total Rainfall Since Last 01/09 572.3 mm 503.7 mm -68.6 mm
    Total Rain Days 3 5 +2
    Total Thunderstorm Days 1 2 +1
    Total Hail Days 0 0 0


    Cooler and Wetter in May 2019

    May 2019 was rather cool, as below-average temperatures were recorded throughout. The mean maximum temperature of 23.9°C was exceeded on only 4 days out of 31 days. Overall, the air temperature was 2.3°C colder than the norm. Once again, the biggest margin from the mean was registered by the daytime highs. May 2019 was infact one of the coldest ever. Unseasonal anticyclones over Scandinavia persisted throughout the month. This deflected bad weather towards the Mediterranean. This bad weather brought with it frequent blasts of cold air from the north, allowing temperatures to remain colder than average throughout.

    Total rainfall measured at our weather station in Għarb, at 21.1 mm was above the mean for this time of year. The number of days with rain and thunderstorms, at 8 and 4 respectively, were also greater than the norm. This observation is also the result of prevailing anticyclones over Scandinavia, deviating bad weather to the south.

    A number of windy days dotted May. Winds were significantly stronger than the average for May. The wind reached Force 6 or higher on 6 days. This was the consequence of air moving from high pressure over Scandinavia towards successive low pressure systems traversing the Mediterranean. The prevailing wind direction was the Northwest. The strongest wind gust was of 68 km/h, registered on the 6th.

     

    End of Month Reports
    May 1, 20190

    Cooler and Drier in April 2019

    Air Temperature

    Highest Maximum 27°C 23rd
    Lowest Maximum 15°C 1st and 2nd
    Highest Minimum 16°C 25th
    Lowest Minimum 10°C 1st and 8th

     

    Mean Maximum 17.0°C
    Mean Minimum 11.8°C
    Mean 13.9°C

     

    Relative Humidity

    Highest Relative Humidity 78% 6th
    Lowest Relative Humidity 24% 23rd

     

    Mean Relative Humidity 72.0% ed-hrvatski.com

     

    Atmospheric Pressure

    Highest Atmospheric Pressure 1024.1hPa 19th
    Lowest Atmospheric Pressure 1013.2hPa 21st

     

    Mean Atmospheric Pressure 1019.3hPa

     

    Wind

    Highest Gust 68km/h 19th

     

    Mean Wind Speed 12km/h
    Mean Gust Speed 31km/h
    Mean Wind + Gust Speed 21.5km/h
    Most Frequent Wind Direction Southeast

     

    Precipitation

    Total Rainfall During April 2019 27.5 mm
    Total Rainfall Since Last 01/09 482.6 mm

     

    Highest 24 Hour Total 19.1 mm 5th

     

    Rain Days 5
    Thunderstorm Days 0
    Hail Days 2

     

    Rainfall Events

    04/04/2019 1.8 mm Light Rain
    05/04/2019 19.1 mm Thunderstorm
    07/04/2019 4.3 mm Isolated Showers
    14/04/2019 2.0 mm Isolated Showers
    22/04/2019 0.3 mm Thunderstorm


    April 2019 Compared to the Climate Means     

      Climate Mean April 2019 Anomaly
    Mean Maximum Temperature 19.6°C 17.0°C -2.6°C
    Mean Minimum Temperature 12.5°C 11.8°C -0.7°C
    Mean Temperature 16.2°C 13.9°C -2.3°C
    Mean Relative Humidity 77% 72% -5%
    Mean Atmospheric Pressure 1014.3hPa 1019.3hPa +5.0hPa
    Mean Wind Speed 18.9 km/h 21.3km/h +2.4km/h
    Most Frequent Wind Direction Northwest Southeast 135°
    Total Rainfall 23.2 mm 27.5 mm +4.3 mm
    Total Rainfall Since Last 01/09 561.7 mm 474.2 mm -87.5 mm
    Total Rain Days 6 5 -1
    Total Thunderstorm Days 1 2 +1
    Total Hail Days 1 0 0


    Cooler and Drier in April 2019

    The air was significantly cooler than average over much of last month. Overall, air temperatures were 2.3°C colder than normal. The biggest difference from the average was registered by the daytime temperature (2.6°C cooler than usual). Nights were not as cold (0.7°C cooler than the norm). This could attributed to the fact that April was characterised by several days of overcast skies and airborne fine desert sand. In this case, light from the Sun would be reflected off the clouds and airborne fine desert sand back into space, preventing the air at ground level from heating up. Finally, temperatures returned to normal in the final week of April. The hottest day was the 23rd with a 27°C high. Conversely, the coldest was at 10°C  on the 1st and 8th.

    Total rainfall measured at our weather station in Għarb, at 27.5 mm was below the mean for this time of year. April started off promisingly with regards to precipitation. 25.2 mm (or 91%) of April’s rainfall total fell in the first week of the month. The rest fell in light showers which deposited copious amounts of fine desert sand.

    A number of windy days dotted the month of April. Winds were significantly stronger than the average for April. The wind reached Force 6 or stronger on 10 days. This is the Maltese Islands were caught up between high and low pressure systems several times. The strongest gust was of 68 km/h, registered on the 19th. The prevailing wind direction was from the Southeast. This was the result of successive north African low pressure systems passing by us.

    End of Month Reports
    April 1, 20190

    Cooler Days but Warmer Nights in March 2019

    Air Temperature

    Highest Maximum 22°C 8th, 9th and 18th
    Lowest Maximum 14°C 12th and 27th
    Highest Minimum 14°C 20th
    Lowest Minimum 10°C 4th, 21st, 27th and 28th

     

    Mean Maximum 17.0°C
    Mean Minimum 11.8°C
    Mean 13.9°C

     

    Relative Humidity

    Highest Relative Humidity 75% 6th
    Lowest Relative Humidity 28% 8th

     

    Mean Relative Humidity 64.0%

     

    Atmospheric Pressure

    Highest Atmospheric Pressure 1028.1hPa 10th
    Lowest Atmospheric Pressure 1013.2hPa 21st

     

    Mean Atmospheric Pressure 1019.3hPa

     

    Wind

    Highest Gust 85.0km/h 12th

     

    Mean Wind Speed 12.6km/h
    Mean Gust Speed 29.9km/h
    Mean Wind + Gust Speed 21.3km/h
    Most Frequent Wind Direction Northwest

     

    Precipitation

    Total Rainfall During March 2019 56.8 mm
    Total Rainfall Since Last 01/09 455.1 mm

     

    Highest 24 Hour Total 27.4 mm 21st

     

    Rain Days 6
    Thunderstorm Days 1
    Hail Days 1

     

    Rainfall Events

    02/03/2019 polska-ed.com 0.5 mm Isolated Shower
    06/03/2019 0.5 mm Fog and Dew
    10/03/2019 0.3 mm Fog and Dew
    12/03/2019 0.3 mm Isolated Shower
    15/03/2019 2.0 mm Light Rain
    18/03/2019 0.3 mm Fog and Dew
    21/03/2019 27.4 mm Thunderstorm
    22/03/2019 2.5 mm Light Rain
    24/03/2019 0.3 mm Fog and Dew
    27/03/2019 22.7 mm Steady Rain

     

    March 2019 Compared to the Climate Means

      Climate Mean March 2019 Anomaly
    Mean Maximum Temperature 17.3°C 17.0°C -0.3°C
    Mean Minimum Temperature 10.7°C 11.8°C +1.1°C
    Mean Temperature 14.0°C 14.4°C +0.4°C
    Mean Relative Humidity 79% 64.0% -15.0%
    Mean Atmospheric Pressure 1016.1hPa 1019.3hPa +3.2hPa
    Mean Wind Speed 18.9 km/h 21.3km/h +2.4km/h
    Most Frequent Wind Direction Northwest Northwest 0°
    Total Rainfall 40.7 mm 56.8 mm +16.1 mm
    Total Rainfall Since Last 01/09 538.5 mm 455.1 mm -83.4 mm
    Total Rain Days 9 6 -3
    Total Thunderstorm Days 2 1 -1
    Total Hail Days 1 1 0

     

     Cooler Days but Warmer Nights in March 2019

    Daytime highs last month were colder than normal (by 0.3°C at 17.0°C). Conversely, nighttime lows were warmer than average (by 1.1°C at 11.8°C). Overall, March 2019 was warmer than average by 0.4°C, with a value of 14.4°C. The warmest temperature in March 2019 clocked in at 22°C and was measured on a number of days, mainly in the first half of the month. The low of the month, of 10°C, was measured on three nights towards the end of the month.

    For yet another month, winds were significantly stronger than average. It reached Force 8 on six days. The strongest was recorded at 85.0 km/h (Force 9) on March 13th. Most days were characterised by a Northwest wind. This conforms with the climate mean.

    Total rainfall measured at our weather station in Għarb exceeded the norm for this time of year. With a total of 56.8 mm, March 2019 was wetter than average by 40%. 50.1 mm of this fell during two major rainfall events. These consisted of a thunderstorm on the 21st and periods of steady rain on the 27th. Thunder and hail affected us only during the thunderstorm on the 21st.

    End of Month Reports
    March 4, 20190

    February 2019 Sets New Records

    Air Temperature

    Highest Maximum 19.4°C 2nd
    Lowest Maximum 10.6°C 24th
    Highest Minimum 13.2°C 2nd
    Lowest Minimum 3.9°C 23rd

     

    Mean Maximum 15.3°C
    Mean Minimum 9.7°C
    Mean 12.5°C

     

     

    Relative Humidity

    Highest Relative Humidity 74% 4th, 5th, 23rd and 26th
    Lowest Relative Humidity 40% 23rd

     

    Mean Relative Humidity 60.6%

     

     

    Atmospheric Pressure

    Highest Atmospheric Pressure 1030hPa 15th, 17th and 18th
    Lowest Atmospheric Pressure 1002hPa 2nd

     

    Mean Atmospheric Pressure 1019.9hPa

     

     

    Wind

    Highest Gust 101.0km/h 24th

     

    Mean Wind Speed 11.0km/h
    Mean Gust Speed 40.1km/h
    Mean Wind + Gust Speed 25.6km/h
    Most Frequent Wind Direction Northwest

     

     

    Precipitation

    Total Rainfall During February 2019 39.1 mm
    Total Rainfall Since Last 01/09 398.3 mm

     

    Highest 24 Hour Total 11.6 mm 5th

     

    Rain Days 9
    Thunderstorm Days 4
    Hail Days 2

     

     

    Rainfall Events

    03/02/2019 3.2 mm Thunder Rain and Hail Shower
    04/02/2019 10.2 mm Periods of Steady Rain
    05/02/2019 11.6 mm Thundery Rain and Hail Shower
    07/02/2019 0.6 mm Rain Shower
    09/02/2019 0.9 mm Rain Shower
    16/02/2019 0.8 mm Rain Shower
    23/02/2019 6.9 mm Rain and Hail Showers
    24/02/2019 2.8 mm Rain and Hail Showers
    28/02/2019 3.0 mm Rain Shower

     

     

    February 2019 Compared to the Climate Means

      Climate Mean February 2019 Anomaly
    Mean Maximum Temperature 15.7°C 15.3°C -0.4°C
    Mean Minimum Temperature 9.5°C 9.7°C +0.2°C
    Mean Temperature 12.6°C 12.5°C -0.1°C
    Mean Relative Humidity 78% 60.6% -17.4%
    Mean Atmospheric Pressure 1016.6hPa 1019.9hPa +3.3hPa
    Mean Wind Speed 19.1 km/h 25.6km/h +6.5km/h
    Most Frequent Wind Direction Northwest Northwest 0°
    Total Rainfall 61.6 mm 39.1 mm -29.2 mm
    Total Rainfall Since Last 01/09 497.8 mm 398.3 mm -99.5 mm
    Total Rain Days 11 9 -2
    Total Thunderstorm Days 3 4 +1
    Total Hail Days 1 2 +1

     

    February 2019 Sets New Records

    The month of February was around average with regards to temperature. Averaging at 12.5˚C, the mean air temperature was only 0.1˚C colder than the norm. Rainfall in February was substantially below the mean at our Għarb weather station. Despite this, most localities in the Maltese Islands experienced a wetter February, particularly across central and southern Malta. The total of 39.1 mm fell over 9 days. Hail was observed on 4 of these. Thunder was heard on only 2 days, however. February set new records with regards to wind. February is typically a windy month. This year, it was certainly no different. The highest gust last month was registered at 101km/h from the Southeast. This was the strongest ever recorded at our weather station in Għarb. It was during the worst Gregalata since 1982.

     

     

     

     

     

     

     

     

    End of Month Reports
    February 1, 20190

    Colder January 2019

    Air Temperature

    Highest Maximum 17.2°C 18th
    Lowest Maximum 10.6°C 4th
    Highest Minimum 12.4°C 18th
    Lowest Minimum 5.7°C 5th

     

    Mean Maximum 14.2°C
    Mean Minimum 9.4°C
    Mean 11.8°C

     

     

    Relative Humidity

    Highest Relative Humidity 74% 14th and 18th
    Lowest Relative Humidity libido-de.com/ 27% 7th

     

    Mean Relative Humidity 58.3%

     

     

    Atmospheric Pressure

    Highest Atmospheric Pressure 1026.3hPa 4th and 16th
    Lowest Atmospheric Pressure 987hPa 25th

     

    Mean Atmospheric Pressure 1013.0hPa

     

     

    Wind

    Highest Gust 77.2km/h 14th

     

    Mean Wind Speed 13.6km/h
    Mean Gust Speed 44.2km/h
    Mean Wind + Gust Speed 28.9km/h
    Most Frequent Wind Direction Northwest

     

     

    Precipitation

    Total Rainfall During January 2018 64.9 mm
    Total Rainfall Since Last 01/09 359.2 mm

     

    Highest 24 Hour Total 12.1 mm 9th

     

    Rain Days 19
    Thunderstorm Days 2
    Hail Days 6

     

    Rainfall Events

    03/01/2019 1.3 mm Light Rain and Hail
    06/01/2019 2.5 mm Light Rain and Hail
    09/01/2019 12.1 mm Showers
    10/01/2019 1.0 mm Light Rain
    11/01/2019 2.0 mm Light Rain
    12/01/2019 0.3 mm Light Rain
    13/01/2019 2.0 mm Showers
    14/01/2019 7.9 mm Showers
    17/01/2019 2.4 mm Showers
    19/01/2019 3.6 mm Showers
    20/01/2019 6.6 mm Thundery Rain and Hail Showers
    22/01/2019 2.8 mm Showers
    23/01/2019 0.8 mm Light Rain
    24/01/2019 8.4 mm Rain and Hail Showers
    25/01/2019 6.4 mm Rain and Hail Showers
    26/01/2019 1.7 mm Showers
    27/01/2019 0.3 mm Light Rain
    29/01/2019 2.3 mm Thundery Rain and Hail Showers
    30/01/2019 0.5 mm Light Rain

     

     

    January 2019 Compared to the Climate Means

      Climate Mean January 2019 Anomaly
    Mean Maximum Temperature 15.6°C 14.2°C -1.4°C
    Mean Minimum Temperature 9.8°C 9.4°C -0.4°C
    Mean Temperature 12.7°C 11.8°C -0.9°C
    Mean Relative Humidity 79% 58.3% -20.7%
    Mean Atmospheric Pressure 1018.2hPa 1013.0hPa -5.2hPa
    Mean Wind Speed 18.9 km/h 28.9km/h +10.0km/h
    Most Frequent Wind Direction Northwest Northwest 0°
    Total Rainfall 94.1 mm 64.9 mm -29.2 mm
    Total Rainfall Since Last 01/09 436.2 mm 359.2 mm -77.8 mm
    Total Rain Days 14 19 +5
    Total Thunderstorm Days 3 2 -1
    Total Hail Days 1 6 +5

     

    Colder January 2019

    The month of January was noticeably colder than average. Averaging at 11.8˚C, the mean air temperature was 0.9˚C colder than the norm. The difference was far more pronounced in the daytime highs. Rainfall in January was below the average for this time of year at our weather station in Għarb. Despite this, most localities in the Maltese Islands experienced a wetter January. The total of 64.9 mm fell over 19 days. Hail was observed on 6 of these. Thunder was hard on only 2 days, however. According to measurements at our Għarb weather station, the Maltese Islands have started falling behind in total rainfall since last September 1st. January is typically a windy month, locally. This year, it was no different. The highest gust last month was registered at 77.2 km/h from the Northwest. Several other gales occured over the course of the month. Overall, January was more blustery than usual. The average wind speed of 28.9 km/h was far higher than the climate norm for this parameter.

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