ncdc气象数据格式介绍

第9列: 位置 38-43, 长度6: 风速

空气通过某一个固定点的水平速度

计量单位: 米每秒

换算系数: 10

缺失值: -9999

第10列: 位置44-49, 长度6:空气状况总覆盖编码

The codethat denotes the fraction of the total celestial dome covered by clouds orother obscuring phenomena.

缺失值: -9999

DOMAIN:

0: None, SKC orCLR

1: One okta -1/10 or less but not zero

2: Two oktas -2/10 - 3/10, or FEW

3: Three oktas -4/10

4: Four oktas -5/10, or SCT

5: Five oktas -6/10

6: Six oktas -7/10 - 8/10

7: Seven oktas -9/10 or more but not 10/10, or BKN

8: Eight oktas -10/10, or OVC

9: Sky obscured,or cloud amount cannot be estimated

10: Partialobscuration

11: Thinscattered

12: Scattered

13: Darkscattered

14: Thin broken

15: Broken

16: Dark broken

17: Thin overcast

18: Overcast

19: Dark overcast

第11列: 位置 50-55, 长度6:  Liquid Precipitation Depth Dimension– 一个小时内

The depth ofliquid precipitation that is measured over a one hour accumulation period.

计量单位:毫米 millimeters

换算系数: 10

缺失值: -9999

*注意: Trace precipitation is coded as "-1"

第12列: 位置 56-61, 长度6:  Liquid Precipitation Depth Dimension– 6个小时内

The depth ofliquid precipitation that is measured over a six hour accumulation period.

计量单位: 毫米

换算系数: 10

缺失值: -9999

*NOTE: Traceprecipitation is coded as "-1" 

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