Karachi Weather Update BiographySource (google.com.pk)
The hottest day of 2013 was May 2, with a high temperature of 106°F. For reference, on that day the average high temperature is 96°F and the high temperature exceeds 102°F only one day in ten. The hottest month of 2013 was June with an average daily high temperature of 96°F.
Relative to the average, the hottest day was September 25. The high temperature that day was 104°F, compared to the average of 93°F, a difference of 11°F. In relative terms the warmest month was June, with an average high temperature of 96°F, compared to an typical value of 95°F.
The longest warm spell was from January 22 to February 3, constituting 13 consecutive days with warmer than average high temperatures. The month of March had the largest fraction of warmer than average days with 58% days with higher than average high temperatures.
The daily low (blue) and high (red) temperature during 2013 with the area between them shaded gray and superimposed over the corresponding averages (thick lines), and with percentile bands (inner band from 25th to 75th percentile, outer band from 10th to 90th percentile). The bar at the top of the graph is red where both the daily high and low are above average, blue where they are both below average, and white otherwise.
The coldest day of 2013 was December 31, with a low temperature of 39°F. For reference, on that day the average low temperature is 56°F and the low temperature drops below 49°F only one day in ten. The coldest month of 2013 was January with an average daily low temperature of 53°F.
Relative to the average, the coldest day was December 31. The low temperature that day was 39°F, compared to the average of 56°F, a difference of 16°F. In relative terms the coldest month was January, with an average low temperature of 53°F, compared to an typical value of 56°F.
The longest cold spell was from January 17 to January 30, constituting 14 consecutive days with cooler than average low temperatures. The month of January had the largest fraction of cooler than average days with 71% days with lower than average low temperatures.
Hourly Temperature Bands
The full year of hourly temperature reports with the days of the year on the horizontal and the hours of the day on the vertical. The hourly temperature measurement is color coded into meaningful temperature bands: frigid is purple (below 15°F), freezing is blue (15°F to 32°F), cold is dark green (32°F to 50°F), cool is light green (50°F to 65°F), comfortable is yellow (65°F to 75°F), warm is light red (75°F to 85°F), hot is medium red (85°F to 100°F), sweltering is dark red (above 100°F), and missing data is pink.
The clearest month of 2013 was September, with 27% of days being more clear than cloudy.
The fraction of time spent in each of the five sky cover categories over the course of 2013 on a daily basis. From top (most blue) to bottom (most gray), the categories are clear, mostly clear, partly cloudy, mostly cloudy, and overcast. Pink indicates missing data. Outside of the United States clear skies are often reported ambiguously, leading them to be lumped in with the missing data. The bar at the top of the graph is gray if the sky was cloudy or mostly cloudy for more than half the day, blue if it is clear or mostly clear for more than half the day, and blue-gray otherwise.
The cloudiest month of 2013 was July, with 77% of days being more cloudy than clear. The longest spell of cloudy weather was from August 17 to August 29, constituting 13 consecutive days that were cloudier than they were clear.
Hourly Cloud Coverage
The full year of hourly cloud coverage reports with the days of the year on the horizontal and the hours of the day on the vertical. The sky cover is color coded: from most blue to most gray, the categories are clear, mostly clear, partly cloudy, mostly cloudy, and overcast. Pink indicates missing data. Outside of the United States clear skies are often reported ambiguously, leading them to be lumped in with the missing data.
This station provides hourly reports of significant weather events at and around the station, but does not report the quantity of precipitation at the station itself. This is common for weather stations located outside of the United States, and for a small subset of stations in the United States that are located at lesser used and smaller airports.
Present Weather Reports
This station reports when significant weather events (including precipitation) are visually observed at or near the station. Such events do not always correspond to measured quantities of liquid equivalent precipitation, such as when the event is near by not at the station, or in the case of solid precipitation that does not melt in the collection basin.
The day in 2013 with the most precipitation observations was January 17. There were 10 hourly weather reports that day (out of a maximum of 24) in which some form of precipitation was observated at or near the station. The month with the most precipitation observations was July, with 67 hourly present weather reports involving some form of precipitation.