2026年4月21日　札幌白石
(北緯43度1分、東経141度26分　標高 21m)

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1時間毎の観測値

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※赤文字は日最大値

※日最大瞬間風速の起時は-10分の誤差を持ちます。

時刻 気圧（hPa) 降水量(mm) 気温(℃) 露点温度(℃) 相対湿度(%) 風向・風速(m/s) THSW指数(℃) 日射量(W/㎡) 最高日射量(W/㎡) 全天日射量(MJ/㎡)
現地 海面 平均 風向 最大風速 風向
0:10 1003.9 1007.2 9.1 5.5 78 4.5 SSE 11.2 SSE x x x x
0:20 1003.3 1006.6 9.2 5.8 79 5.4 SSE 11.2 SSE x x x x
0:30 1002.5 1005.8 9.3 5.8 79 6.7 SSE 14.3 SSE x x x x
0:40 1002.4 1005.7 9.3 5.9 79 6.7 SSE 14.3 SE x x x x
0:50 1002.7 1006.0 9.3 6.1 80 6.3 SSE 13.9 SSE x x x x
1:00 1003.0 1006.3 9.4 6.1 80 6.3 SSE 13.4 SSE x x x x
1:10 1002.6 1005.9 9.4 6.3 81 4.9 S 11.2 S x x x x
1:20 1002.2 1005.5 9.4 6.3 81 4.5 SSE 10.3 SSE x x x x
1:30 1001.9 1005.2 9.4 6.3 81 4.9 SSE 12.1 SSE x x x x
1:40 1001.7 1005.0 9.6 6.6 82 4.9 SSE 9.4 SSW x x x x
1:50 1001.4 1004.7 9.6 6.7 82 4.9 SSE 12.1 SE x x x x
2:00 1001.2 1004.5 9.7 6.8 82 5.4 SSE 11.2 SSE x x x x
2:10 1000.9 1004.2 9.8 6.8 82 4.5 SSE 10.3 SSE x x x x
2:20 1000.5 1003.8 9.8 6.7 81 5.8 SSE 13.4 SSE x x x x
2:30 1000.2 1003.5 9.9 6.8 81 6.3 SSE 12.5 SSE x x x x
2:40 1000.3 1003.6 9.9 6.7 80 5.4 SSE 12.1 SSE x x x x
2:50 1000.5 1003.8 9.9 6.6 80 5.8 SSE 11.2 SSE x x x x
3:00 999.9 1003.2 9.7 6.4 80 5.8 SSE 11.6 SSE x x x x
3:10 999.2 1002.5 9.6 6.5 81 5.4 SSE 10.7 SSE x x x x
3:20 998.6 1001.9 9.4 6.6 83 5.4 SSE 9.8 SE x x x x
3:30 998.1 1001.4 9.1 6.7 85 6.3 SSE 11.2 SE x x x x
3:40 998.6 1001.9 0.0 9.1 6.8 86 4.9 SSE 10.3 SE x x x x
3:50 998.1 1001.4 0.2 8.9 6.7 86 4.5 SSE 9.4 SE x x x x
4:00 997.5 1000.8 0.4 8.8 6.8 87 4.9 SSE 9.8 S x x x x
4:10 997.1 1000.4 0.2 8.7 6.8 88 4.5 SSE 11.2 SSE x x x x
4:20 997.3 1000.6 0.2 8.8 7.1 89 4.5 SSE 11.2 SSE x x x x
4:30 997.4 1000.7 1.0 8.8 7.1 89 4.9 SSE 9.8 S x x x x
4:40 996.9 1000.2 0.6 8.8 7.2 90 5.4 SSE 10.3 SSE x x x x
4:50 996.7 1000.0 0.4 8.8 7.3 90 4.9 SSE 12.1 SE x x x x
5:00 996.5 999.8 0.4 8.9 7.4 90 5.8 SSE 10.7 SSE x x x x
5:10 996.2 999.5 0.4 9.0 7.6 91 4.9 SSE 9.4 SSE x x x x
5:20 996.0 999.3 0.6 9.0 7.6 91 4.0 SSE 10.3 SSE x x x x
5:30 995.9 999.2 0.4 9.1 7.7 91 4.5 SSE 9.8 SE x x x x
5:40 995.7 999.0 0.6 9.1 7.7 91 4.9 SSE 9.8 SSE x x x x
5:50 995.5 998.8 0.4 9.1 7.7 91 4.9 SSE 10.3 SSE x x x x
6:00 995.4 998.7 0.4 9.1 7.7 91 4.5 SSE 8.9 SSE x x x x
6:10 994.6 997.9 0.6 9.1 7.7 91 4.9 SSE 10.3 ESE x x x x
6:20 995.1 998.4 0.4 9.1 7.7 91 4.9 SSE 9.8 SSE x x x x
6:30 995.2 998.5 0.6 9.1 7.7 91 4.0 SSE 8.9 SSE x x x x
6:40 994.6 997.9 0.4 9.1 7.7 91 4.5 SSE 8.9 S x x x x
6:50 994.4 997.7 0.2 9.1 7.7 91 4.0 SSE 8.5 SSE x x x x
7:00 994.6 997.9 0.2 9.1 7.7 91 4.9 SSE 11.2 S x x x x
7:10 994.6 997.9 0.2 9.1 7.7 91 4.9 SSE 9.8 SSE x x x x
7:20 994.8 998.1 0.4 9.1 7.7 91 4.0 SSE 7.6 SSE x x x x
7:30 994.7 998.0 0.0 9.0 7.6 91 4.9 SSE 10.3 SSE x x x x
7:40 994.0 997.3 0.2 8.9 7.6 91 4.5 SSE 8.5 SSE x x x x
7:50 994.1 997.4 0.0 8.9 7.3 90 4.9 SSE 9.8 SSE x x x x
8:00 993.9 997.2 0.0 8.9 7.4 90 4.5 SSE 11.6 SSE x x x x
8:10 993.9 997.2 0.0 8.9 7.4 90 4.9 SSE 10.3 SSE x x x x
8:20 993.8 997.1 0.0 8.9 7.4 90 5.4 SSE 11.2 ESE x x x x
8:30 993.7 997.0 0.0 9.1 7.5 90 5.8 SSE 11.2 SE x x x x
8:40 994.0 997.3 0.0 9.3 7.8 90 4.9 SSE 11.6 SSE x x x x
8:50 994.3 997.6 0.0 9.3 7.8 90 4.9 SSE 9.4 SSE x x x x
9:00 994.8 998.1 0.2 9.3 7.7 90 4.0 SSE 8.9 SE x x x x
9:10 995.0 998.3 0.8 9.3 7.9 91 3.6 SSE 8.0 SSE x x x x
9:20 996.1 999.4 0.2 9.2 7.8 91 3.1 S 6.7 S x x x x
9:30 996.5 999.8 0.6 9.3 8.0 92 1.3 N 2.7 NNW x x x x
9:40 996.9 1000.2 0.4 9.0 7.6 91 0.9 NW 2.2 NW x x x x
9:50 997.2 1000.5 0.0 9.1 7.7 91 0.0 CALM 0.9 NW x x x x
10:00 997.4 1000.7 0.0 8.7 7.0 89 2.7 SW 5.4 N x x x x
10:10 997.5 1000.7 0.0 11.1 7.4 78 3.6 SW 8.5 WSW x x x x
10:20 997.5 1000.7 0.0 11.9 6.2 68 4.5 SW 8.5 WSW x x x x
10:30 997.8 1001.0 0.0 11.9 4.9 62 4.5 W 9.4 WSW x x x x
10:40 997.8 1001.0 0.0 12.0 4.5 60 4.5 SW 10.7 W x x x x
10:50 998.1 1001.3 0.2 12.2 3.4 55 4.5 W 8.5 WNW x x x x
11:00 998.3 1001.5 12.4 2.6 51 3.6 N 9.8 SW x x x x
11:10 998.5 1001.7 12.8 2.6 50 3.1 W 8.0 SW x x x x
11:20 998.5 1001.7 12.7 2.6 50 3.1 WNW 7.6 SW x x x x
11:30 998.4 1001.6 12.3 1.6 48 4.0 N 8.0 WSW x x x x
11:40 998.7 1001.9 13.0 2.2 48 4.0 W 7.6 W x x x x
11:50 999.0 1002.2 12.9 1.9 47 4.0 W 10.7 W x x x x
12:00 999.3 1002.5 13.0 1.6 46 4.0 W 9.4 WNW x x x x
12:10 999.4 1002.6 12.4 0.8 45 4.0 W 8.9 W x x x x
12:20 999.6 1002.8 12.6 0.3 43 4.5 W 8.5 WSW x x x x
12:30 999.6 1002.8 12.7 1.1 45 3.6 W 8.0 WSW x x x x
12:40 999.6 1002.8 13.6 0.6 41 3.6 SW 9.4 SW x x x x
12:50 999.8 1003.0 13.3 -0.1 40 4.5 W 10.3 WSW x x x x
13:00 1000.0 1003.2 12.9 0.0 41 4.5 W 11.6 W x x x x
13:10 1000.1 1003.3 12.3 -0.6 41 4.5 W 10.3 W x x x x
13:20 1000.2 1003.4 12.4 -0.2 42 3.1 W 8.5 W x x x x
13:30 999.9 1003.1 12.7 -0.9 39 2.2 WSW 5.4 WSW x x x x
13:40 999.8 1003.0 13.1 -0.6 39 2.7 W 6.7 WNW x x x x
13:50 999.8 1003.0 13.6 -1.2 36 4.0 SW 12.1 WSW x x x x
14:00 999.8 1003.0 13.7 -0.7 37 4.9 SW 10.7 WSW x x x x
14:10 999.7 1002.9 13.9 -1.0 36 4.0 WSW 9.4 SW x x x x
14:20 999.7 1002.9 13.6 -1.6 35 3.1 SW 6.7 W x x x x
14:30 999.6 1002.8 13.5 -0.6 38 2.7 SW 8.5 SW x x x x
14:40 999.6 1002.8 13.6 -1.3 36 1.8 NW 4.5 WNW x x x x
14:50 999.7 1002.9 13.4 -1.4 36 2.7 W 7.2 W x x x x
15:00 999.5 1002.7 13.6 -2.0 34 3.6 N 10.3 N x x x x
15:10 999.5 1002.7 13.8 -2.2 33 4.0 N 9.8 SW x x x x
15:20 999.8 1003.0 13.7 -3.1 31 4.9 SW 11.2 SW x x x x
15:30 999.7 1002.9 13.7 -2.8 32 4.5 W 12.1 WSW x x x x
15:40 999.8 1003.0 13.5 -3.3 31 4.9 SW 9.4 SW x x x x
15:50 999.5 1002.7 13.4 -2.6 33 2.2 W 7.6 NNW x x x x
16:00 999.5 1002.7 13.3 -3.0 32 2.7 SW 6.3 N x x x x
16:10 999.7 1002.9 13.4 -3.0 32 3.6 SW 9.4 N x x x x
16:20 999.6 1002.8 13.4 -3.4 31 2.7 SW 6.3 SW x x x x
16:30 999.5 1002.7 13.4 -2.6 33 2.2 W 6.7 W x x x x
16:40 999.3 1002.5 13.4 -3.0 32 1.8 SSE 5.8 S x x x x
16:50 999.5 1002.7 13.5 -2.1 34 2.7 SW 6.3 SW x x x x
17:00 999.5 1002.7 13.5 -2.1 34 2.7 SW 7.6 SW x x x x
17:10 999.7 1002.9 13.2 -2.3 34 3.1 SW 6.7 SSW x x x x
17:20 999.5 1002.7 13.1 -2.0 35 3.1 SW 7.2 SW x x x x
17:30 999.6 1002.8 13.0 -1.7 36 3.1 SW 6.7 WSW x x x x
17:40 999.6 1002.8 12.8 -1.2 38 2.2 SW 4.0 SW x x x x
17:50 999.5 1002.7 12.6 -0.3 41 2.2 S 4.0 SSW x x x x
18:00 999.6 1002.8 12.4 0.8 45 1.8 S 5.4 S x x x x
18:10 999.4 1002.6 12.2 0.9 46 2.2 S 4.9 SSE x x x x
18:20 999.3 1002.5 11.9 1.5 49 1.8 SSE 4.0 SSE x x x x
18:30 999.5 1002.7 11.7 1.3 49 2.2 SSW 5.4 SSE x x x x
18:40 999.8 1003.0 11.7 1.6 50 1.3 S 2.7 S x x x x
18:50 1000.7 1004.0 0.2 10.8 3.4 60 3.6 W 9.4 W x x x x
19:00 1000.2 1003.5 0.0 9.1 3.5 68 3.1 SSW 10.3 SW x x x x
19:10 1000.5 1003.8 0.2 8.7 3.1 68 1.8 SW 4.0 WSW x x x x
19:20 1000.5 1003.8 8.7 3.3 69 1.3 SW 2.7 SW x x x x
19:30 1000.5 1003.8 8.6 3.4 70 1.3 SW 2.7 SW x x x x
19:40 1000.5 1003.8 8.3 3.4 71 1.3 SW 2.7 SW x x x x
19:50 1001.0 1004.3 8.2 3.1 70 1.8 SW 4.5 WSW x x x x
20:00 1001.3 1004.6 8.3 2.9 69 1.3 SSW 3.6 SSW x x x x
20:10 1001.7 1005.0 8.3 3.0 69 1.3 SW 3.1 SSW x x x x
20:20 1002.1 1005.4 8.3 2.7 68 1.3 SW 2.2 SW x x x x
20:30 1002.2 1005.5 8.2 2.5 67 0.9 SSW 3.1 SSW x x x x
20:40 1002.5 1005.8 8.2 2.2 66 0.9 SSW 4.0 SSW x x x x
20:50 1002.4 1005.7 8.8 1.4 60 3.1 SW 8.0 SW x x x x
21:00 1002.5 1005.8 9.0 1.4 59 3.6 SW 6.3 SW x x x x
21:10 1002.8 1006.1 8.9 1.8 61 1.8 SW 4.5 SW x x x x
21:20 1002.4 1005.7 8.7 1.8 62 1.8 S 4.0 S x x x x
21:30 1002.6 1005.9 8.4 2.0 64 0.9 SSW 3.6 SSW x x x x
21:40 1002.4 1005.7 8.2 1.6 63 1.3 W 4.5 W x x x x
21:50 1002.4 1005.7 8.2 1.5 63 0.4 W 1.8 W x x x x
22:00 1002.7 1006.0 8.1 1.5 63 0.4 WSW 1.8 WSW x x x x
22:10 1002.8 1006.1 7.9 1.7 65 0.4 WSW 0.9 WSW x x x x
22:20 1002.8 1006.1 7.8 2.0 67 0.9 WSW 1.8 WSW x x x x
22:30 1002.7 1006.0 7.7 1.7 66 0.0 CALM 0.9 WSW x x x x
22:40 1002.9 1006.2 7.6 1.8 67 0.4 WSW 1.3 WSW x x x x
22:50 1002.5 1005.8 7.4 1.7 67 0.9 ESE 3.1 SE x x x x
23:00 1002.3 1005.6 7.5 1.3 65 0.9 SE 3.1 SE x x x x
23:10 1002.5 1005.8 7.5 1.3 65 0.9 SE 1.8 SE x x x x
23:20 1002.6 1005.9 7.4 1.5 66 0.9 SE 1.8 SE x x x x
23:30 1002.9 1006.2 7.4 1.3 65 1.3 SSE 2.7 SSE x x x x
23:40 1003.0 1006.3 7.5 1.3 65 0.4 SSE 2.2 SSE x x x x
23:50 1003.3 1006.6 7.5 1.1 64 0.0 CALM 1.3 SSE x x x x
24:00 1003.6 1006.9 7.5 1.3 65 0.9 SSE 2.2 SSE x x x x