Measurement results by the hour (Hachioji) 12 Feb., 2018 - 18 Feb., 2018

Shown in µGy/h (microgray per hour)

Gray indicates an amount of energy (absorbed dose) when radiation hits a material object, and 1 gray (Gy) of radiation doses in the air can be converted to 1 sievert (Sv).

Measurement time Dose rate
μGy/h (microgray per hour)
Maximum value Minimum value Average value
23:01-24:00, Sun., 18 Feb. 0.0334 0.0295 0.0312
22:01-23:00, Sun., 18 Feb. 0.0338 0.0289 0.0313
21:01-22:00, Sun., 18 Feb. 0.0334 0.0290 0.0313
20:01-21:00, Sun., 18 Feb. 0.0329 0.0292 0.0313
19:01-20:00, Sun., 18 Feb. 0.0339 0.0293 0.0312
18:01-19:00, Sun., 18 Feb. 0.0328 0.0296 0.0313
17:01-18:00, Sun., 18 Feb. 0.0349 0.0297 0.0311
11:01-12:00, Sun., 18 Feb. 0.0332 0.0305 0.0318
10:01-11:00, Sun., 18 Feb. 0.0339 0.0296 0.0318
09:01-10:00, Sun., 18 Feb. 0.0334 0.0297 0.0316
08:01-09:00, Sun., 18 Feb. 0.0340 0.0300 0.0318
07:01-08:00, Sun., 18 Feb. 0.0336 0.0301 0.0318
06:01-07:00, Sun., 18 Feb. 0.0337 0.0295 0.0314
05:01-06:00, Sun., 18 Feb. 0.0349 0.0297 0.0316
04:01-05:00, Sun., 18 Feb. 0.0334 0.0296 0.0315
03:01-04:00, Sun., 18 Feb. 0.0337 0.0299 0.0320
02:01-03:00, Sun., 18 Feb. 0.0336 0.0288 0.0317
01:01-02:00, Sun., 18 Feb. 0.0337 0.0297 0.0318
00:01-01:00, Sun., 18 Feb. 0.0350 0.0299 0.0318
23:01-24:00, Sat., 17 Feb. 0.0337 0.0297 0.0318
22:01-23:00, Sat., 17 Feb. 0.0342 0.0307 0.0320
21:01-22:00, Sat., 17 Feb. 0.0344 0.0295 0.0319
20:01-21:00, Sat., 17 Feb. 0.0344 0.0300 0.0322
19:01-20:00, Sat., 17 Feb. 0.0344 0.0305 0.0319
18:01-19:00, Sat., 17 Feb. 0.0341 0.0296 0.0321
17:01-18:00, Sat., 17 Feb. 0.0342 0.0306 0.0324
16:01-17:00, Sat., 17 Feb. 0.0342 0.0304 0.0322
15:01-16:00, Sat., 17 Feb. 0.0342 0.0302 0.0321
14:01-15:00, Sat., 17 Feb. 0.0342 0.0298 0.0321
13:01-14:00, Sat., 17 Feb. 0.0338 0.0299 0.0316
12:01-13:00, Sat., 17 Feb. 0.0335 0.0293 0.0313
11:01-12:00, Sat., 17 Feb. 0.0335 0.0299 0.0316
10:01-11:00, Sat., 17 Feb. 0.0336 0.0294 0.0314
09:01-10:00, Sat., 17 Feb. 0.0333 0.0289 0.0314
08:01-09:00, Sat., 17 Feb. 0.0333 0.0293 0.0314
07:01-08:00, Sat., 17 Feb. 0.0334 0.0293 0.0314
06:01-07:00, Sat., 17 Feb. 0.0334 0.0296 0.0314
05:01-06:00, Sat., 17 Feb. 0.0338 0.0288 0.0314
04:01-05:00, Sat., 17 Feb. 0.0327 0.0296 0.0311
03:01-04:00, Sat., 17 Feb. 0.0345 0.0298 0.0315
02:01-03:00, Sat., 17 Feb. 0.0333 0.0291 0.0311
01:01-02:00, Sat., 17 Feb. 0.0337 0.0293 0.0313
00:01-01:00, Sat., 17 Feb. 0.0330 0.0290 0.0311
23:01-24:00, Fri., 16 Feb. 0.0332 0.0297 0.0314
22:01-23:00, Fri., 16 Feb. 0.0330 0.0289 0.0311
21:01-22:00, Fri., 16 Feb. 0.0331 0.0292 0.0313
20:01-21:00, Fri., 16 Feb. 0.0334 0.0293 0.0313
19:01-20:00, Fri., 16 Feb. 0.0341 0.0291 0.0311
18:01-19:00, Fri., 16 Feb. 0.0335 0.0288 0.0312
17:01-18:00, Fri., 16 Feb. 0.0332 0.0294 0.0315
16:01-17:00, Fri., 16 Feb. 0.0331 0.0282 0.0311
15:01-16:00, Fri., 16 Feb. 0.0332 0.0293 0.0315
14:01-15:00, Fri., 16 Feb. 0.0338 0.0294 0.0315
13:01-14:00, Fri., 16 Feb. 0.0327 0.0294 0.0313
12:01-13:00, Fri., 16 Feb. 0.0337 0.0295 0.0317
11:01-12:00, Fri., 16 Feb. 0.0336 0.0286 0.0315
10:01-11:00, Fri., 16 Feb. 0.0331 0.0289 0.0314
09:01-10:00, Fri., 16 Feb. 0.0342 0.0294 0.0319
08:01-09:00, Fri., 16 Feb. 0.0347 0.0308 0.0326
07:01-08:00, Fri., 16 Feb. 0.0347 0.0310 0.0327
06:01-07:00, Fri., 16 Feb. 0.0342 0.0312 0.0329
05:01-06:00, Fri., 16 Feb. 0.0355 0.0307 0.0330
04:01-05:00, Fri., 16 Feb. 0.0348 0.0307 0.0329
03:01-04:00, Fri., 16 Feb. 0.0341 0.0298 0.0324
02:01-03:00, Fri., 16 Feb. 0.0350 0.0287 0.0322
01:01-02:00, Fri., 16 Feb. 0.0338 0.0298 0.0315
00:01-01:00, Fri., 16 Feb. 0.0333 0.0296 0.0315
23:01-24:00, Thu., 15 Feb. 0.0342 0.0298 0.0314
22:01-23:00, Thu., 15 Feb. 0.0335 0.0290 0.0314
21:01-22:00, Thu., 15 Feb. 0.0355 0.0286 0.0318
20:01-21:00, Thu., 15 Feb. 0.0336 0.0287 0.0315
19:01-20:00, Thu., 15 Feb. 0.0340 0.0289 0.0316
18:01-19:00, Thu., 15 Feb. 0.0333 0.0298 0.0316
17:01-18:00, Thu., 15 Feb. 0.0335 0.0294 0.0316
16:01-17:00, Thu., 15 Feb. 0.0336 0.0299 0.0318
15:01-16:00, Thu., 15 Feb. 0.0345 0.0299 0.0319
14:01-15:00, Thu., 15 Feb. 0.0338 0.0293 0.0317
13:01-14:00, Thu., 15 Feb. 0.0333 0.0298 0.0316
12:01-13:00, Thu., 15 Feb. 0.0339 0.0296 0.0316
11:01-12:00, Thu., 15 Feb. 0.0334 0.0294 0.0317
10:01-11:00, Thu., 15 Feb. 0.0338 0.0300 0.0318
09:01-10:00, Thu., 15 Feb. 0.0345 0.0296 0.0319
08:01-09:00, Thu., 15 Feb. 0.0340 0.0302 0.0319
07:01-08:00, Thu., 15 Feb. 0.0347 0.0302 0.0321
06:01-07:00, Thu., 15 Feb. 0.0340 0.0298 0.0321
05:01-06:00, Thu., 15 Feb. 0.0341 0.0299 0.0317
04:01-05:00, Thu., 15 Feb. 0.0334 0.0295 0.0316
03:01-04:00, Thu., 15 Feb. 0.0336 0.0290 0.0312
02:01-03:00, Thu., 15 Feb. 0.0342 0.0289 0.0318
01:01-02:00, Thu., 15 Feb. 0.0332 0.0289 0.0313
00:01-01:00, Thu., 15 Feb. 0.0334 0.0296 0.0317
23:01-24:00, Wed., 14 Feb. 0.0335 0.0292 0.0314
22:01-23:00, Wed., 14 Feb. 0.0335 0.0296 0.0313
21:01-22:00, Wed., 14 Feb. 0.0341 0.0285 0.0311
20:01-21:00, Wed., 14 Feb. 0.0330 0.0284 0.0311
19:01-20:00, Wed., 14 Feb. 0.0335 0.0291 0.0311
18:01-19:00, Wed., 14 Feb. 0.0326 0.0284 0.0308
17:01-18:00, Wed., 14 Feb. 0.0333 0.0288 0.0310
16:01-17:00, Wed., 14 Feb. 0.0331 0.0288 0.0312
15:01-16:00, Wed., 14 Feb. 0.0336 0.0296 0.0316
14:01-15:00, Wed., 14 Feb. 0.0330 0.0284 0.0310
13:01-14:00, Wed., 14 Feb. 0.0332 0.0293 0.0314
12:01-13:00, Wed., 14 Feb. 0.0334 0.0298 0.0315
11:01-12:00, Wed., 14 Feb. 0.0344 0.0297 0.0315
10:01-11:00, Wed., 14 Feb. 0.0331 0.0298 0.0315
09:01-10:00, Wed., 14 Feb. 0.0337 0.0292 0.0314
08:01-09:00, Wed., 14 Feb. 0.0338 0.0299 0.0320
07:01-08:00, Wed., 14 Feb. 0.0343 0.0299 0.0321
06:01-07:00, Wed., 14 Feb. 0.0341 0.0301 0.0321
05:01-06:00, Wed., 14 Feb. 0.0337 0.0297 0.0316
04:01-05:00, Wed., 14 Feb. 0.0343 0.0294 0.0316
03:01-04:00, Wed., 14 Feb. 0.0335 0.0290 0.0316
02:01-03:00, Wed., 14 Feb. 0.0338 0.0299 0.0317
01:01-02:00, Wed., 14 Feb. 0.0334 0.0292 0.0314
00:01-01:00, Wed., 14 Feb. 0.0349 0.0294 0.0317
23:01-24:00, Tue., 13 Feb. 0.0333 0.0293 0.0315
22:01-23:00, Tue., 13 Feb. 0.0344 0.0299 0.0316
21:01-22:00, Tue., 13 Feb. 0.0338 0.0295 0.0314
20:01-21:00, Tue., 13 Feb. 0.0334 0.0297 0.0314
19:01-20:00, Tue., 13 Feb. 0.0331 0.0295 0.0314
18:01-19:00, Tue., 13 Feb. 0.0341 0.0300 0.0316
17:01-18:00, Tue., 13 Feb. 0.0330 0.0284 0.0313
16:01-17:00, Tue., 13 Feb. 0.0336 0.0298 0.0314
15:01-16:00, Tue., 13 Feb. 0.0336 0.0294 0.0311
14:01-15:00, Tue., 13 Feb. 0.0334 0.0294 0.0313
13:01-14:00, Tue., 13 Feb. 0.0332 0.0296 0.0313
12:01-13:00, Tue., 13 Feb. 0.0345 0.0290 0.0312
11:01-12:00, Tue., 13 Feb. 0.0335 0.0292 0.0313
10:01-11:00, Tue., 13 Feb. 0.0336 0.0291 0.0314
09:01-10:00, Tue., 13 Feb. 0.0332 0.0285 0.0314
08:01-09:00, Tue., 13 Feb. 0.0339 0.0292 0.0315
07:01-08:00, Tue., 13 Feb. 0.0344 0.0296 0.0316
06:01-07:00, Tue., 13 Feb. 0.0343 0.0296 0.0319
05:01-06:00, Tue., 13 Feb. 0.0341 0.0296 0.0318
04:01-05:00, Tue., 13 Feb. 0.0335 0.0300 0.0317
03:01-04:00, Tue., 13 Feb. 0.0335 0.0301 0.0315
02:01-03:00, Tue., 13 Feb. 0.0336 0.0294 0.0314
01:01-02:00, Tue., 13 Feb. 0.0337 0.0288 0.0312
00:01-01:00, Tue., 13 Feb. 0.0333 0.0293 0.0312
23:01-24:00, Mon., 12 Feb. 0.0337 0.0302 0.0316
22:01-23:00, Mon., 12 Feb. 0.0340 0.0287 0.0314
21:01-22:00, Mon., 12 Feb. 0.0326 0.0290 0.0311
20:01-21:00, Mon., 12 Feb. 0.0332 0.0294 0.0313
19:01-20:00, Mon., 12 Feb. 0.0332 0.0291 0.0313
18:01-19:00, Mon., 12 Feb. 0.0339 0.0294 0.0313
17:01-18:00, Mon., 12 Feb. 0.0333 0.0286 0.0312
16:01-17:00, Mon., 12 Feb. 0.0335 0.0289 0.0314
15:01-16:00, Mon., 12 Feb. 0.0329 0.0297 0.0312
14:01-15:00, Mon., 12 Feb. 0.0329 0.0291 0.0312
13:01-14:00, Mon., 12 Feb. 0.0334 0.0298 0.0315
12:01-13:00, Mon., 12 Feb. 0.0338 0.0294 0.0315
11:01-12:00, Mon., 12 Feb. 0.0330 0.0300 0.0313
10:01-11:00, Mon., 12 Feb. 0.0335 0.0296 0.0316
09:01-10:00, Mon., 12 Feb. 0.0335 0.0290 0.0312
08:01-09:00, Mon., 12 Feb. 0.0330 0.0286 0.0312
07:01-08:00, Mon., 12 Feb. 0.0341 0.0294 0.0314
06:01-07:00, Mon., 12 Feb. 0.0335 0.0288 0.0312
05:01-06:00, Mon., 12 Feb. 0.0340 0.0287 0.0313
04:01-05:00, Mon., 12 Feb. 0.0330 0.0286 0.0312
03:01-04:00, Mon., 12 Feb. 0.0336 0.0298 0.0315
02:01-03:00, Mon., 12 Feb. 0.0334 0.0300 0.0314
01:01-02:00, Mon., 12 Feb. 0.0336 0.0295 0.0312
00:01-01:00, Mon., 12 Feb. 0.0333 0.0296 0.0313