Climatology at the knee of the Rhine title image

The Rhine Falls, Schaffhouse, Switzerland

Climatology at the knee of the Rhine

The graphs below show the minima and maxima temperature ranges at the knee of the river Rhine at the edge of Basel, just 1200 m West of the river Rhine, over several years. They do also show the monthly means of the minima and maxima temperatures. Daily minima temperatures are most often measured during the night time and daily maxima temperatures are most often measured during the afternoon.

Minima Maxima Temperature 2012

The weather in 2012 was mostly temperate, but two extremely cold weeks in February, a medium summer, August better than July, a few very short heat waves.

Minima temperature ranges 2012 at the knee of the Rhine

Maxima temperature ranges 2012 at the knee of the Rhine

What do the graphs above tell us ? In 2012, there were

17 arctic nights, minima below -5°C, a little over 2 weeks
26 icy nights, minima between -5°C and 0°C, approx 1 month
81 freezing nights, minima between 0°C and 5°C, a little over 2+1/2 months
85 cold nights, minima between 5°C and 10°C, approx 3 months
75 fresh nights, minima between 10°C and 15°C, approx 2+1/2 months
67 temperate nights, minima between 15°C and 20°C, a little over 2 months
15 tropical nights, minima above 20°C, approx 2 weeks

16 arctic days, maxima below 0°C, a little over 2 weeks
37 icy days, maxima between 0°C and 5°C, a little over 1 month
60 cold days, maxima between 5°C and 10°C, approx 2 months
67 fresh days, maxima between 10°C and 15°C, a little over 2 months
78 temperate days, maxima between 15°C and 20°C, approx 2+1/2 months
68 warm days, maxima between 20°C and 25°C, a little over 2 months
31 hot days, maxima between 25°C and 30°C, approx 1 month
9 tropical days, maxima above 30°C, a little over 1 week

Minima maxima temperatures, monthly means, at the knee of the Rhine 2012

The coldest month of 2012 was February (extremely cold) with a minima mean value of -6.1°C and minima temperatures of -12°C to -16°C for 2 weeks (maxima from -5°C to -9°C).
The warmest month of 2012 was August with a maxima mean value of 26.2°C.
April was colder than March.

Minima Maxima Temperature 2011

The weather in 2011 was rather cold to temperate, a bad summer, no long extremely cold time and no long hot time.

Minima temperature ranges 2011 at the knee of the Rhine

Maxima temperature ranges 2011 at the knee of the Rhine

What do the graphs above tell us ? In 2011, there were

3 arctic nights, minima below -5°C
33 icy nights, minima between -5°C and 0°C, approx 1 month
77 freezing nights, minima between 0°C and 5°C, approx 2+1/2 months
74 cold nights, minima between 5°C and 10°C, approx 2+1/2 months
95 fresh nights, minima between 10°C and 15°C, approx 3 months
71 temperate nights, minima between 15°C and 20°C, approx 2+1/2 months
12 tropical nights, minima above 20°C, less than 2 weeks

4 arctic days, maxima below 0°C
34 icy days, maxima between 0°C and 5°C, a little over 1 month
54 cold days, maxima between 5°C and 10°C, less than 2 months
72 fresh days, maxima between 10°C and 15°C, approx 2+1/2 months
72 temperate days, maxima between 15°C and 20°C, approx 2+1/2 months
92 warm days, maxima between 20°C and 25°C, approx 3 months
32 hot days, maxima between 25°C and 30°C, approx 1 month
5 tropical days, maxima above 30°C, less than 1 week

Minima maxima temperatures, monthly means, at the knee of the Rhine 2011

The coldest month of 2011 was January with a minima mean value of -0.3°C.
The warmest month of 2011 was August with a maxima mean value of 24.7°C. The second warmest was September (24.3°C). September 2011 was warmer than July (21.3°C), June (21.7°C) and May (21.5°C)

Minima Maxima Temperature 2010

Minima temperature ranges 2010 at the knee of the Rhine

Maxima temperature ranges 2010 at the knee of the Rhine

What do the graphs above tell us ? In 2010, there were

19 arctic nights, minima below -5°C, approx 3 weeks
49 icy nights, minima between -5°C and 0°C, over 1+1/2 month
66 freezing nights, minima between 0°C and 5°C, over 2 months
64 cold nights, minima between 5°C and 10°C, over 2 months
83 fresh nights, minima between 10°C and 15°C, less than 3 months
60 temperate nights, minima between 15°C and 20°C, approx 2 months
24 tropical nights, minima above 20°C, over 3 weeks

20 arctic days, maxima below 0°C, approx 3 weeks
52 icy days, maxima between 0°C and 5°C, less than 2 months
45 cold days, maxima between 5°C and 10°C, approx 1+1/2 months
51 fresh days, maxima between 10°C and 15°C, less than 2 months
68 temperate days, maxima between 15°C and 20°C, over 2 months
70 warm days, maxima between 20°C and 25°C, over 2 months
44 hot days, maxima between 25°C and 30°C, approx 1+1/2 month
15 tropical days, maxima above 30°C, approx 2 weeks

Minima maxima temperatures, monthly means, at the knee of the Rhine 2010

The coldest month of 2010 was December with a minima mean value of -3°C.
The warmest month of 2010 was July with a maxima mean value of 28.3°C.
May was colder than April.

Minima Maxima Temperature 2009

Minima temperature ranges 2009 at the knee of the Rhine

Maxima temperature ranges 2009 at the knee of the Rhine

What do the graphs above tell us ? In 2009, there were

9 arctic nights, minima below -5°C, over 1 week
35 icy nights, minima between -5°C and 0°C, over 1 month
79 freezing nights, minima between 0°C and 5°C, approx 2+1/2 months
62 cold nights, minima between 5°C and 10°C, over 2 months
79 fresh nights, minima between 10°C and 15°C, over 2+1/2 months
81 temperate nights, minima between 15°C and 20°C, less than 3 months
20 tropical nights, minima above 20°C, approx 3 weeks

11 arctic days, maxima below 0°C, less than 2 weeks
25 icy days, maxima between 0°C and 5°C, less than 1 month
53 cold days, maxima between 5°C and 10°C, less than 2 months
58 fresh days, maxima between 10°C and 15°C, less than 2 months
50 temperate days, maxima between 15°C and 20°C, less than 2 months
81 warm days, maxima between 20°C and 25°C, less than 3 months
59 hot days, maxima between 25°C and 30°C, approx 2 months
28 tropical days, maxima above 30°C, approx 1 month

Minima maxima temperatures, monthly means, at the knee of the Rhine 2009

The coldest month of 2009 was January with a minima mean value of -2.3°C.
The warmest month of 2009 was August with a maxima mean value of 29.8°C.

Minima Maxima Temperature 2008

Minima temperature ranges 2008 at the knee of the Rhine

Maxima temperature ranges 2008 at the knee of the Rhine

What do the graphs above tell us ? In 2008, there were

6 arctic nights, minima below -5°C, less than 1 week
38 icy nights, minima between -5°C and 0°C, over 1 month
80 freezing nights, minima between 0°C and 5°C, approx 2+1/2 months
94 cold nights, minima between 5°C and 10°C, over 3 months
73 fresh nights, minima between 10°C and 15°C, approx 2+1/2 months
63 temperate nights, minima between 15°C and 20°C, approx 2 months
12 tropical nights, minima above 20°C, less than 2 weeks

2 arctic days, maxima below 0°C
22 icy days, maxima between 0°C and 5°C, approx 3 weeks
56 cold days, maxima between 5°C and 10°C, less than 2 months
83 fresh days, maxima between 10°C and 15°C, less than 3 months
58 temperate days, maxima between 15°C and 20°C, less than 2 months
62 warm days, maxima between 20°C and 25°C, approx 2 months
44 hot days, maxima between 25°C and 30°C, approx 1+1/2 month
39 tropical days, maxima above 30°C, over 1 month

Minima maxima temperatures, monthly means, at the knee of the Rhine 2008

The coldest month of 2008 was February with a minima mean value of -0.7°C.
The warmest month of 2008 was August with a maxima mean value of 31.5°C.
The maxima mean value of March was lower than in February, but the minima mean value was higher.

Minima Maxima Temperature 2007

Minima temperature ranges 2007 at the knee of the Rhine

Maxima temperature ranges 2007 at the knee of the Rhine

What do the graphs above tell us ? In 2007, there were

10 arctic nights, minima below -5°C, over 1 week
28 icy nights, minima between -5°C and 0°C, approx 1 month
91 freezing nights, minima between 0°C and 5°C, approx 3 months
83 cold nights, minima between 5°C and 10°C, less than 3 months
98 fresh nights, minima between 10°C and 15°C, over 3 months
55 temperate nights, minima between 15°C and 20°C, less than 2 months
0 tropical nights, minima above 20°C, no tropical nights in 2007

2 arctic days, maxima below 0°C
24 icy days, maxima between 0°C and 5°C, less than 1 month
54 cold days, maxima between 5°C and 10°C, less than 2 months
58 fresh days, maxima between 10°C and 15°C, less than 2 months
70 temperate days, maxima between 15°C and 20°C, approxx 2+1/2 months
62 warm days, maxima between 20°C and 25°C, approx 2 months
71 hot days, maxima between 25°C and 30°C, approx 2+1/2 months
24 tropical days, maxima above 30°C, over 3 weeks

Minima maxima temperatures, monthly means, at the knee of the Rhine 2007

The coldest month of 2007 was December with a minima mean value of -0.3°C.
The warmest month of 2007 was April with a maxima mean value of 26.9°C. Then July (26.8°C), June (24.6°C) and August (24.4°C). August which is often the warmest month of the year was the 4th warmest only in 2007.

Minima Maxima Temperature 2006

Minima temperature ranges 2006 at the knee of the Rhine

Maxima temperature ranges 2006 at the knee of the Rhine

What do the graphs above tell us ? In 2006, there were

19 arctic nights, minima below -5°C, approx 3 weeks
44 icy nights, minima between -5°C and 0°C, approx 1+1/2 month
67 freezing nights, minima between 0°C and 5°C, over 2 months
64 cold nights, minima between 5°C and 10°C, over 2 months
87 fresh nights, minima between 10°C and 15°C, approx 3 months
67 temperate nights, minima between 15°C and 20°C, over 2 months
17 tropical nights, minima above 20°C, over 2 weeks

5 arctic days, maxima below 0°C, less than 1 week
20 icy days, maxima between 0°C and 5°C, approx 3 weeks
65 cold days, maxima between 5°C and 10°C, over 2 months
52 fresh days, maxima between 10°C and 15°C, less than 2 months
73 temperate days, maxima between 15°C and 20°C, approx 2+1/2 months
63 warm days, maxima between 20°C and 25°C, approx 2 months
44 hot days, maxima between 25°C and 30°C, approx 1+1/2 month
43 tropical days, maxima above 30°C, approx 1+1/2 month

Minima maxima temperatures, monthly means, at the knee of the Rhine 2006

The coldest month of 2006 was January with a minima mean value of -3.6°C.
The warmest month of 2006 was July with a maxima mean value of 33.1°C. Then June (27.8°C), September (25.4°C) and August (23.0°C). There was a huge drop of temperature in August which was 10°C colder than July. September was warmer than August. August which is often the warmest month of the year was the 4th warmest only in 2006.

Minima Maxima Temperature 2005

Minima temperature ranges 2005 at the knee of the Rhine

Maxima temperature ranges 2005 at the knee of the Rhine

What do the graphs above tell us ? In 2005, there were

12 arctic nights, minima below -5°C, approx 2 weeks
60 icy nights, minima between -5°C and 0°C, approx 2 months
59 freezing nights, minima between 0°C and 5°C, approx 2 months
86 cold nights, minima between 5°C and 10°C, approx 3 months
79 fresh nights, minima between 10°C and 15°C, over 2+1/2 months
61 temperate nights, minima between 15°C and 20°C, approx 2 months
8 tropical nights, minima above 20°C, approx 1 week

9 arctic days, maxima below 0°C, over 1 week
48 icy days, maxima between 0°C and 5°C, approx 1+1/2 month
45 cold days, maxima between 5°C and 10°C, approx 1+1/2 month
46 fresh days, maxima between 10°C and 15°C, approx 1+1/2 month
62 temperate days, maxima between 15°C and 20°C, approx 2 months
86 warm days, maxima between 20°C and 25°C, less than 3 months
48 hot days, maxima between 25°C and 30°C, approx 1+1/2 month
21 tropical days, maxima above 30°C, 3 weeks

Minima maxima temperatures, monthly means, at the knee of the Rhine 2005

The coldest month of 2005 was February with a minima mean value of -1.2°C.
The warmest month of 2005 was June with a maxima mean value of 27.3°C. Then July (27.0°C), August (24.5°C) and September (23.3°C).

Minima Maxima Temperature 2004

Minima temperature ranges 2004 at the knee of the Rhine

Maxima temperature ranges 2004 at the knee of the Rhine

What do the graphs above tell us ? In 2004, there were

7 arctic nights, minima below -5°C, 1 week
46 icy nights, minima between -5°C and 0°C, approx 1+1/2 month
84 freezing nights, minima between 0°C and 5°C, less than 3 months
68 cold nights, minima between 5°C and 10°C, over 2 months
102 fresh nights, minima between 10°C and 15°C, approx 3+1/2 months
54 temperate nights, minima between 15°C and 20°C, less than 2 months
5 tropical nights, minima above 20°C, less than 1 week

3 arctic days, maxima below 0°C
41 icy days, maxima between 0°C and 5°C, approx 1+1/2 month
69 cold days, maxima between 5°C and 10°C, over 2 months
60 fresh days, maxima between 10°C and 15°C, approx 2 months
62 temperate days, maxima between 15°C and 20°C, approx 2 months
66 warm days, maxima between 20°C and 25°C, over 2 months
54 hot days, maxima between 25°C and 30°C, less than 2 months
11 tropical days, maxima above 30°C, less than 2 weeks

Minima maxima temperatures, monthly means, at the knee of the Rhine 2004

The coldest month of 2004 was December with a minima mean value of -0.5°C.
The warmest month of 2004 was August with a maxima mean value of 26.4°C.
The crescendo from January to August and the decrescendo from August to December was well respected without irregularities.

Minima Maxima Temperature 2003

Heat wave 2003: the summer of 2003 was very hot. Maxima temperatures above 30°C for 49 days, most of June, July and August, and even more in the first half of August. Many elderly people suffered from the heatwave or died (19500 in France, 7000 in Germany, 20000 in Italy, 50 in Luxembourg, 2300 in Portugal, 140 in Spain, 500 in Switzerland, 2100 in the UK).

Minima temperature ranges 2003 at the knee of the Rhine

Maxima temperature ranges 2003 at the knee of the Rhine

What do the graphs above tell us ? In 2003, there were

11 arctic nights, minima below -5°C, 1+1/2 week
48 icy nights, minima between -5°C and 0°C, over 1+1/2 month
90 freezing nights, minima between 0°C and 5°C, approx 3 months
63 cold nights, minima between 5°C and 10°C, over 2 months
57 fresh nights, minima between 10°C and 15°C, less than 2 months
69 temperate nights, minima between 15°C and 20°C, over 2 months
27 tropical nights, minima above 20°C, approx 4 weeks

10 arctic days, maxima below 0°C, 1+1/2 week
39 icy days, maxima between 0°C and 5°C, over 1 month
61 cold days, maxima between 5°C and 10°C, approx 2 months
60 fresh days, maxima between 10°C and 15°C, approx 2 months
46 temperate days, maxima between 15°C and 20°C, approx 1+1/2 month
52 warm days, maxima between 20°C and 25°C, over 1+1/2 month
48 hot days, maxima between 25°C and 30°C, over 1+1/2 month
49 tropical days, maxima above 30°C, over 1+1/2 month

Minima maxima temperatures, monthly means, at the knee of the Rhine 2003

The coldest month of 2003 was February with a minima mean value of -2.9°C.
The warmest month of 2003 was August with a maxima mean value of 32.3°C. Then June (30.9°C) and July (28.3°C). Even though July was the 3rd warmest month in 2003, it was warmer than the warmest month of numerous other years.

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