December 2018 / Annual Summary

^^^hot summer in Seoul...

Paris
Record warmest January
2nd warmest July
Record warmest July by monthly low temperatures

Seoul
12th warmest year
All-time record highest temperature on the 1st of August(39.6°C; the previous record was 38.4°C in 1994, beating by a margin of 1.2°C)
Record warmest March(8.1°C; the previous record was 7.9°C in 2014)
2nd warmest July(27.8°C; the warmest record is 28.5°C in 1994)
Record warmest August(28.8°C; the previous record was 28.0°C in 2016)
4th wettest May(222.0mm; the wettest record is 291.3mm in 1997)
2nd most snowfall in November(8.8cm; the most snowfall record is 9.5cm in 1966, note that it was the biggest amount of snowfall as "the first snow of the season" method counted since 1981)

Tokyo
10th warmest year
8th sunniest year
3rd warmest March
Record warmest April
10th warmest May
3rd warmest July
3rd all-time warmest temperature on the 23rd of July(39.0°C; the warmest record is 39.5°C in 2004)
2nd warmest monthly temperatures in October on the 1st and 7th(32.3°C and also tied with the same temperature in 1938; the warmest record is 32.6°C in 1979)
2nd most year with days of above 25°C(136 days; 2013 is holding 137 days)
3rd most year with days of above 30°C(68 days; 2010 is holding 71 days)
3rd most year with days of above 35°C(12 days; 1995 and 2010 is holding 13 days)
6th most year with tropical night[daily lows stay above 25°C](42 days; 2010 is holding 56 days)
2nd wettest March(220.0mm; the wettest record is 221.2mm in 1952)
10th driest October

Umeå. I've estimated the precipitation for Oct-Dec.


Absolutely epic year. That March (though I spent March in Thailand so I didn't notice  ) were atrocious. February could've been better though. At least it was decently sunny.

sunniest year ever. previous record was 1948h, from 1997.

December 2018 Summary Phoenix, AZ

Highest Temp 23.9°C
Lowest Temp 1.1°C
Maximum Low 12.2°C
Mininum High 11.1°C

Avg High 19.2°C Dep -0.2°C
Avg Low 7.2°C Dep -0.5°C

Mean Temp 13.20°C Dep -0.35°C

Total Precip 4.83 mm
Departure -20.57 mm

Records=0

Five Warmest Days

I. 11th 17°C (22.2°C/11.7°C)
II. 7th 16.1°C (21.1°C/11.1°C)
III. 15th 15.6°C (21.1°C/10°C)
IV. 10th 15.3°C (21.7°C/8.9°C)
V. 20th 15°C (23.9°C/6.1°C)

Five Coldest Days

I. 31st 6.7°C (11.1°C/2.2°C)
II. 29th 7.5°C (13.9°C/1.1°C)
III. 30th 7.8°C (13.9°C/1.7°C)
IV. 28th 8.3°C (13.3°C/3.3°C)
V. 27th 10.9°C (16.1°C/5.6°C)

2018 Summary

Max Temp 46.7°C
Min Temp 1.1°C

Mean Temp 24.72°C
Departure +0.40°C

Total Precip 235.97 mm
Departure +32.77 mm

2018 Heat Stats

High Temps 45°C+=7
High Temps 43°C+=22
High Temps 40°C+=84
High Temps 38°C+=117
High Temps 35°C+=152
High Temps 32°C+=170
High Temps 30°C+=188

First Day/Last Day
30°C= Mar 22/Oct 29
32°C= Mar 31/Oct 28
35°C= Apr 9/Sep 30
38°C= May 5/Sep 29
40°C= May 6/Sep 28
43°C= Jun 4/Aug 7
45°C= Jul 5/Aug 6

Socorro Municipal Airport (KONM), snowfall data from Socorro 0.9 N

December:
Highest max temp: 65 F (18 C) on the 22nd
Lowest max temp: 26 F (-3 C) on the 29th
Highest min temp: 41 F (5 C) on the 18th
Lowest min temp: 5 F (-15 C) on the 29th

Number of days with min temp <=32 F (0 C): 23 days
Number of days with min temp <=28 F (-2 C): 18 days

Precipitation: 0.34 in (9 mm) on the 6th, 26th, and 28th
Max daily precipitation: 0.2 in (5 mm) on the 26th

Snowfall: 7.5 in (191 mm) on the 28th and 29th
Max daily snowfall: 6 in (152 mm) on the 28th

2018:
Highest max temp: 103 F (39 C) on July 22nd
Lowest max temp: 26 F (-3 C) on December 29th
Highest min temp: 76 F (24 C) on June 24th
Lowest min temp: 5 F (-15 C) on December 29th

Precipitation: 7.67 in (197 mm) on 42 days
Snowfall: 7.5 in (191 mm) on 2 days

Max daily precipitation: 0.61 in (15 mm) on June 16th and October 23rd
Max daily snowfall: 6 in (152 mm) on December 28th

Very warm year (1.9 °C warmer than 1981-2010), also very dry & sunny growing period.