2012年4月 Saint Cloud 天气 Summary
Saint Cloud 天气 Summary for 2012年4月
Seventh Straight Warm 月 Doesn't Feel That Warm
Despite having temperatures more than three degrees warmer than average, 2012年4月 in St. Cloud paled before the month that came before. According to the statistics from the St. Cloud Regional Airport, the average April temperature was 47.7°F, only ranking 24th warmest out of the 132 Aprils in St. 云记录. 这是因为 2012年3月 是如此的温暖. 作为比较:
|
月
|
2012年3月
|
2012年4月
|
| 平均温度 |
43.9°F
|
47.7°F
|
| 排名 |
1st
|
27th
|
| Highs >=70°F |
6
|
3
|
| Highs >=75°F |
4 (highest: 78°F on March 19)
|
0 (highest: 74°F on April 24)
|
| Lows <=28°F |
10日(3月10日以后没有)
|
6
|
| Lows >=50°F |
7
|
0(最低49华氏度)
|
| Days At Least 20°F Warmer Than Avg. |
11(3 30华氏度以上)
|
1
|
| 气温低于平均水平 |
4
|
13
|
| 记录 Warm 温度 Broken or Tied |
23 (8 highs, 9 means, 7 lows)
|
0
|
2012年4月 was also far short of the 51.1°F在 2010年4月 (第三热)或49.9°F 2006年4月 (9日最热).
最热的 Oct-Apr Warm Season in St. 云记录
This did finish, however, St. Cloud's warmest cold season ever. 不仅是 冬天 (Dec-Feb) the warmest on record, but also the average Oct-Apr temperature 是35.3°F以上 three degrees over the previous warm cold season in 1986-1987.
如前所述, those fooled by the early spring warmth were burned with 6 days of hard freezes in April, including April 9-12 and as late as April 20. 平均来说， last day of a hard freeze is April 30. The average day of the final frost is 5月18日. 不过,圣. Cloud has set a record for fewest highs of freezing or colder (49, breaking the old record of 53) and is on track to break a record for the fewest lows of freezing or colder (截至4月的151天).
Wettest 月 Since August 2011
另一方面，圣. Cloud finally got some badly needed rain in the second two-thirds of April. The total rainfall for April was a mere 2.60英寸，只有0.比正常高03英寸. 然而，除了0之外，所有的.03 of it fell from April 13 on, including a record daily rainfall of 1.4月15日，51英寸. This was nearly double the rainfall St. Cloud had received in the previous month since the snow had melted (1.07 inches from March 12 through April 12) and more rain than the entire fall season (Sept-Nov 2011: 2.39英寸). Of course, this is only "treading water," as rainfall deficits still exceed 2-4 inches in Sauk Rapids and Rice, 4-6 inches in western Stearns County, 6-8 inches in the Arrowhead and 7-10 inches in much of the state south of Hwy. 12.
The reason for the increase in rainfall is a change in the primary stormtrack. While storms tended to miss St. Cloud well to the north or even to the south in March, a major period of west-to-east storm track during the last two-thirds of April allowed more storms to approach Minnesota. Since the warm and sticky air was a bit closer to us, Minnesota had moist enough air masses to allow some rain to fall. This pattern shows some promise for the upcoming week as Minnesota will be on the cool side of a mostly stalled front that will mostly remain in Iowa. A warmer surge could put us in the sticky air on Tuesday, raising the threat for severe weather, but the ingredients will be on hand for the possibility of repeating thunderstorms over the next several days, which could produce a large amount of rain.
Two Tornado Outbreaks in April
While severe weather mostly missed us to the south, there were two days: 4月15日 and April 21 that produced some tornado touchdowns in Minnesota. The 4月15日 tornadoes were only on the ground for a short period, but the April 21 storms did knock down a few barns and a flower shop ion southwestern Minnesota.
There was a much larger tornado outbreak on 4月14日 into the early morning hours of 4月15日. While most of the powerful tornadoes stayed in rural areas, major damage was produced in Thurman, IA, 威奇托, KS, 特别是 Woodward, OK where 6 people were killed.
Both more rain and severe weather could be on tap for the start of May.
|
温度(°F)
|
2012年4月
|
正常的
|
|
| 平均 High Temperature (°F) |
58.4
|
54.9
|
|
| 平均 Low Temperature (°F) |
36.3
|
32.2
|
|
| 平均温度 四月气温(华氏度) |
47.4
|
43.6
|
|
|
|
|||
|
4月极端
|
温度(°F)
|
日期
|
|
| 最热的 High Temperature for 2012年4月 (°F) |
74
|
4月14日24
|
|
| Coldest High Temperature for 2012年4月 (°F) |
43
|
4月10日
|
|
| 最热的 Low Temperature for 2012年4月 (°F) |
49
|
4月25日
|
|
| Coldest Low Temperature for 2012年4月 (°F) |
20 |
4月11日
|
|
|
记录 温度 2012年4月
|
温度(°F)
|
日期
|
旧的记录
|
|
温度阈值
|
天数
|
正常的
|
|
| 2012年4月 Days with High 温度 =>90°F |
0
|
0.04
|
|
| 2012年4月 Days with High 温度 <= 32°F |
0
|
0.73
|
|
|
|
87.7
|
|
| 2012年4月 Days with Low 温度 <= 32°F |
11
|
15.7
|
|
|
|
170.4
|
|
|
**Fewest Days with High of Freezing or Colder on 记录 (old record: 53 days in 1918-1919)
|
++On Track for Fewest Lows<=32°F on 记录 (current record 152 days in 1899-1900,1924-1925,2009-2010) | ||
|
Liquid Equivalent 降水(中)
|
2011年4月
|
正常的
|
|
|
2012年4月雨量(中)
|
2.60
|
2.57
|
|
|
4月极端
|
降水(中)
|
日期
|
|
|
Most Daily 降水 2012年4月
|
1.51 (broke daily record; see below)
|
4月15日
|
|
| 记录 降水 2012年4月 |
降雨(中)
|
日期
|
旧的记录
|
|
日雨量纪录
|
1.51英寸
|
4月15日
|
1.20 in 1994
|
|
降水阈值
|
天数
|
正常的
|
|
| 2012年4月 Days with Measurable (>= 0.01英寸)降水 |
9
|
8.4
|
|
| 2012年4月 Days with >= 0.10英寸降水 |
5
|
4.9
|
|
| 2012年4月 Days with >= 0.25英寸降水 |
3
|
3.1
|
|
| 2012年4月 Days with >= 0.50英寸降水 |
1
|
1.5
|
|
| 2012年4月 Days with >= 1.00英寸降水 |
1
|
0.2
|
|
|
降雪(中)
|
2011年4月
|
正常的
|
|
|
2011年4月降雪(中)
|
跟踪
|
2.9
|
|
|
27.4
|
42.9
|
||
|
降雪阈值
|
天数
|
平均
|
|
| 2012年4月 Days with Measurable (>= 0.1英寸)降雪 |
0
|
1.9
|
|
| 2011-2012 寒冷的季节 Total Days with Measurable (>= 0.1英寸)降雪 |
|
|
|
|
2012年4月 Days with >= 1.0英寸降雪 |
0
|
0.9
|
|
| 2011-2012 寒冷的季节 Total Days with >= 1.0英寸降雪 |
10
|
14.0
|
|
| 2012年4月 Days with >= 2.0英寸降雪 |
0
|
0.6
|
|
| 2011-2012 寒冷的季节 Total Days with >= 2.0英寸降雪 |
8
|
7.6
|
|
| 2012年4月 Days with >= 5.0英寸降雪 |
0
|
0.1
|
|
| 2011-2012 寒冷的季节 Total Days with >= 5.0英寸降雪 |
0
|
1.4
|
|
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发送意见至: raweisman@szdeyihan.com