Measurement results by the hour (Chofu) 8 Feb., 2016 - 14 Feb., 2016

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., 14 Feb. 0.0325 0.0293 0.0309
22:01-23:00, Sun., 14 Feb. 0.0325 0.0286 0.0305
21:01-22:00, Sun., 14 Feb. 0.0320 0.0287 0.0303
20:01-21:00, Sun., 14 Feb. 0.0321 0.0279 0.0301
19:01-20:00, Sun., 14 Feb. 0.0317 0.0281 0.0302
18:01-19:00, Sun., 14 Feb. 0.0329 0.0284 0.0302
17:01-18:00, Sun., 14 Feb. 0.0329 0.0280 0.0299
16:01-17:00, Sun., 14 Feb. 0.0317 0.0276 0.0298
15:01-16:00, Sun., 14 Feb. 0.0317 0.0271 0.0298
14:01-15:00, Sun., 14 Feb. 0.0312 0.0272 0.0296
13:01-14:00, Sun., 14 Feb. 0.0309 0.0271 0.0295
12:01-13:00, Sun., 14 Feb. 0.0316 0.0277 0.0296
11:01-12:00, Sun., 14 Feb. 0.0331 0.0287 0.0305
10:01-11:00, Sun., 14 Feb. 0.0321 0.0282 0.0305
09:01-10:00, Sun., 14 Feb. 0.0335 0.0296 0.0315
08:01-09:00, Sun., 14 Feb. 0.0332 0.0293 0.0316
07:01-08:00, Sun., 14 Feb. 0.0333 0.0293 0.0313
06:01-07:00, Sun., 14 Feb. 0.0325 0.0288 0.0304
05:01-06:00, Sun., 14 Feb. 0.0347 0.0300 0.0323
04:01-05:00, Sun., 14 Feb. 0.0367 0.0317 0.0344
03:01-04:00, Sun., 14 Feb. 0.0367 0.0316 0.0342
02:01-03:00, Sun., 14 Feb. 0.0370 0.0314 0.0339
01:01-02:00, Sun., 14 Feb. 0.0363 0.0304 0.0328
00:01-01:00, Sun., 14 Feb. 0.0323 0.0283 0.0304
23:01-24:00, Sat., 13 Feb. 0.0315 0.0282 0.0298
22:01-23:00, Sat., 13 Feb. 0.0318 0.0276 0.0296
21:01-22:00, Sat., 13 Feb. 0.0325 0.0281 0.0299
20:01-21:00, Sat., 13 Feb. 0.0320 0.0277 0.0298
19:01-20:00, Sat., 13 Feb. 0.0316 0.0278 0.0298
18:01-19:00, Sat., 13 Feb. 0.0322 0.0272 0.0299
17:01-18:00, Sat., 13 Feb. 0.0312 0.0279 0.0297
16:01-17:00, Sat., 13 Feb. 0.0322 0.0281 0.0300
15:01-16:00, Sat., 13 Feb. 0.0312 0.0279 0.0298
14:01-15:00, Sat., 13 Feb. 0.0335 0.0274 0.0301
13:01-14:00, Sat., 13 Feb. 0.0326 0.0286 0.0303
12:01-13:00, Sat., 13 Feb. 0.0326 0.0274 0.0302
11:01-12:00, Sat., 13 Feb. 0.0339 0.0288 0.0313
10:01-11:00, Sat., 13 Feb. 0.0340 0.0286 0.0319
09:01-10:00, Sat., 13 Feb. 0.0344 0.0310 0.0325
08:01-09:00, Sat., 13 Feb. 0.0346 0.0307 0.0326
07:01-08:00, Sat., 13 Feb. 0.0346 0.0301 0.0325
06:01-07:00, Sat., 13 Feb. 0.0343 0.0296 0.0319
05:01-06:00, Sat., 13 Feb. 0.0343 0.0303 0.0318
04:01-05:00, Sat., 13 Feb. 0.0338 0.0294 0.0317
03:01-04:00, Sat., 13 Feb. 0.0336 0.0297 0.0318
02:01-03:00, Sat., 13 Feb. 0.0334 0.0299 0.0315
01:01-02:00, Sat., 13 Feb. 0.0336 0.0291 0.0314
00:01-01:00, Sat., 13 Feb. 0.0331 0.0290 0.0311
23:01-24:00, Fri., 12 Feb. 0.0338 0.0277 0.0309
22:01-23:00, Fri., 12 Feb. 0.0328 0.0282 0.0307
21:01-22:00, Fri., 12 Feb. 0.0324 0.0284 0.0303
20:01-21:00, Fri., 12 Feb. 0.0329 0.0286 0.0303
19:01-20:00, Fri., 12 Feb. 0.0325 0.0287 0.0306
18:01-19:00, Fri., 12 Feb. 0.0324 0.0281 0.0303
17:01-18:00, Fri., 12 Feb. 0.0324 0.0281 0.0305
16:01-17:00, Fri., 12 Feb. 0.0332 0.0285 0.0305
15:01-16:00, Fri., 12 Feb. 0.0324 0.0283 0.0306
14:01-15:00, Fri., 12 Feb. 0.0336 0.0286 0.0308
13:01-14:00, Fri., 12 Feb. 0.0337 0.0288 0.0311
12:01-13:00, Fri., 12 Feb. 0.0333 0.0292 0.0314
11:01-12:00, Fri., 12 Feb. 0.0334 0.0294 0.0314
10:01-11:00, Fri., 12 Feb. 0.0335 0.0289 0.0314
09:01-10:00, Fri., 12 Feb. 0.0352 0.0301 0.0321
08:01-09:00, Fri., 12 Feb. 0.0339 0.0306 0.0326
07:01-08:00, Fri., 12 Feb. 0.0349 0.0298 0.0320
06:01-07:00, Fri., 12 Feb. 0.0347 0.0291 0.0320
05:01-06:00, Fri., 12 Feb. 0.0341 0.0296 0.0318
04:01-05:00, Fri., 12 Feb. 0.0341 0.0299 0.0316
03:01-04:00, Fri., 12 Feb. 0.0337 0.0292 0.0318
02:01-03:00, Fri., 12 Feb. 0.0342 0.0296 0.0319
01:01-02:00, Fri., 12 Feb. 0.0341 0.0302 0.0322
00:01-01:00, Fri., 12 Feb. 0.0342 0.0298 0.0317
23:01-24:00, Thu., 11 Feb. 0.0334 0.0293 0.0312
22:01-23:00, Thu., 11 Feb. 0.0330 0.0294 0.0307
21:01-22:00, Thu., 11 Feb. 0.0331 0.0291 0.0309
20:01-21:00, Thu., 11 Feb. 0.0330 0.0292 0.0307
19:01-20:00, Thu., 11 Feb. 0.0322 0.0289 0.0307
18:01-19:00, Thu., 11 Feb. 0.0327 0.0289 0.0306
17:01-18:00, Thu., 11 Feb. 0.0331 0.0288 0.0306
16:01-17:00, Thu., 11 Feb. 0.0335 0.0295 0.0310
15:01-16:00, Thu., 11 Feb. 0.0326 0.0288 0.0307
14:01-15:00, Thu., 11 Feb. 0.0328 0.0278 0.0307
13:01-14:00, Thu., 11 Feb. 0.0333 0.0290 0.0309
12:01-13:00, Thu., 11 Feb. 0.0327 0.0290 0.0309
11:01-12:00, Thu., 11 Feb. 0.0333 0.0291 0.0310
10:01-11:00, Thu., 11 Feb. 0.0334 0.0297 0.0315
09:01-10:00, Thu., 11 Feb. 0.0333 0.0289 0.0314
08:01-09:00, Thu., 11 Feb. 0.0341 0.0288 0.0312
07:01-08:00, Thu., 11 Feb. 0.0340 0.0307 0.0324
06:01-07:00, Thu., 11 Feb. 0.0352 0.0294 0.0323
05:01-06:00, Thu., 11 Feb. 0.0336 0.0297 0.0318
04:01-05:00, Thu., 11 Feb. 0.0335 0.0293 0.0311
03:01-04:00, Thu., 11 Feb. 0.0328 0.0293 0.0310
02:01-03:00, Thu., 11 Feb. 0.0329 0.0293 0.0310
01:01-02:00, Thu., 11 Feb. 0.0330 0.0285 0.0308
00:01-01:00, Thu., 11 Feb. 0.0327 0.0288 0.0308
23:01-24:00, Wed., 10 Feb. 0.0324 0.0292 0.0308
22:01-23:00, Wed., 10 Feb. 0.0343 0.0283 0.0309
21:01-22:00, Wed., 10 Feb. 0.0330 0.0292 0.0309
20:01-21:00, Wed., 10 Feb. 0.0327 0.0287 0.0308
19:01-20:00, Wed., 10 Feb. 0.0323 0.0284 0.0308
18:01-19:00, Wed., 10 Feb. 0.0320 0.0288 0.0307
17:01-18:00, Wed., 10 Feb. 0.0325 0.0284 0.0306
16:01-17:00, Wed., 10 Feb. 0.0324 0.0286 0.0306
15:01-16:00, Wed., 10 Feb. 0.0333 0.0289 0.0309
14:01-15:00, Wed., 10 Feb. 0.0325 0.0289 0.0307
13:01-14:00, Wed., 10 Feb. 0.0329 0.0293 0.0309
12:01-13:00, Wed., 10 Feb. 0.0338 0.0297 0.0311
11:01-12:00, Wed., 10 Feb. 0.0330 0.0291 0.0311
10:01-11:00, Wed., 10 Feb. 0.0330 0.0292 0.0312
09:01-10:00, Wed., 10 Feb. 0.0330 0.0298 0.0313
08:01-09:00, Wed., 10 Feb. 0.0332 0.0287 0.0311
07:01-08:00, Wed., 10 Feb. 0.0328 0.0285 0.0309
06:01-07:00, Wed., 10 Feb. 0.0335 0.0292 0.0313
05:01-06:00, Wed., 10 Feb. 0.0340 0.0294 0.0315
04:01-05:00, Wed., 10 Feb. 0.0345 0.0295 0.0316
03:01-04:00, Wed., 10 Feb. 0.0329 0.0292 0.0314
02:01-03:00, Wed., 10 Feb. 0.0331 0.0292 0.0313
01:01-02:00, Wed., 10 Feb. 0.0335 0.0294 0.0314
00:01-01:00, Wed., 10 Feb. 0.0330 0.0294 0.0311
23:01-24:00, Tue., 09 Feb. 0.0332 0.0286 0.0312
22:01-23:00, Tue., 09 Feb. 0.0328 0.0297 0.0312
21:01-22:00, Tue., 09 Feb. 0.0331 0.0301 0.0314
20:01-21:00, Tue., 09 Feb. 0.0334 0.0285 0.0309
19:01-20:00, Tue., 09 Feb. 0.0337 0.0289 0.0312
18:01-19:00, Tue., 09 Feb. 0.0330 0.0294 0.0310
17:01-18:00, Tue., 09 Feb. 0.0332 0.0289 0.0309
16:01-17:00, Tue., 09 Feb. 0.0335 0.0295 0.0312
15:01-16:00, Tue., 09 Feb. 0.0332 0.0283 0.0311
14:01-15:00, Tue., 09 Feb. 0.0325 0.0285 0.0307
13:01-14:00, Tue., 09 Feb. 0.0332 0.0286 0.0307
12:01-13:00, Tue., 09 Feb. 0.0335 0.0287 0.0307
11:01-12:00, Tue., 09 Feb. 0.0342 0.0286 0.0311
10:01-11:00, Tue., 09 Feb. 0.0332 0.0292 0.0312
09:01-10:00, Tue., 09 Feb. 0.0344 0.0298 0.0320
08:01-09:00, Tue., 09 Feb. 0.0352 0.0311 0.0331
07:01-08:00, Tue., 09 Feb. 0.0359 0.0325 0.0339
06:01-07:00, Tue., 09 Feb. 0.0357 0.0309 0.0335
05:01-06:00, Tue., 09 Feb. 0.0349 0.0313 0.0333
04:01-05:00, Tue., 09 Feb. 0.0350 0.0310 0.0331
03:01-04:00, Tue., 09 Feb. 0.0351 0.0306 0.0330
02:01-03:00, Tue., 09 Feb. 0.0348 0.0296 0.0327
01:01-02:00, Tue., 09 Feb. 0.0348 0.0309 0.0327
00:01-01:00, Tue., 09 Feb. 0.0341 0.0301 0.0322
23:01-24:00, Mon., 08 Feb. 0.0342 0.0299 0.0321
22:01-23:00, Mon., 08 Feb. 0.0333 0.0293 0.0313
21:01-22:00, Mon., 08 Feb. 0.0322 0.0289 0.0307
20:01-21:00, Mon., 08 Feb. 0.0334 0.0281 0.0307
19:01-20:00, Mon., 08 Feb. 0.0333 0.0288 0.0305
18:01-19:00, Mon., 08 Feb. 0.0329 0.0293 0.0308
17:01-18:00, Mon., 08 Feb. 0.0325 0.0286 0.0307
16:01-17:00, Mon., 08 Feb. 0.0334 0.0290 0.0309
15:01-16:00, Mon., 08 Feb. 0.0329 0.0288 0.0306
14:01-15:00, Mon., 08 Feb. 0.0326 0.0290 0.0309
13:01-14:00, Mon., 08 Feb. 0.0333 0.0295 0.0313
12:01-13:00, Mon., 08 Feb. 0.0330 0.0283 0.0311
11:01-12:00, Mon., 08 Feb. 0.0330 0.0288 0.0311
10:01-11:00, Mon., 08 Feb. 0.0331 0.0288 0.0315
09:01-10:00, Mon., 08 Feb. 0.0335 0.0300 0.0318
08:01-09:00, Mon., 08 Feb. 0.0336 0.0290 0.0317
07:01-08:00, Mon., 08 Feb. 0.0340 0.0292 0.0313
06:01-07:00, Mon., 08 Feb. 0.0330 0.0293 0.0311
05:01-06:00, Mon., 08 Feb. 0.0327 0.0290 0.0310
04:01-05:00, Mon., 08 Feb. 0.0334 0.0284 0.0312
03:01-04:00, Mon., 08 Feb. 0.0333 0.0290 0.0310
02:01-03:00, Mon., 08 Feb. 0.0328 0.0292 0.0311
01:01-02:00, Mon., 08 Feb. 0.0328 0.0281 0.0310
00:01-01:00, Mon., 08 Feb. 0.0328 0.0290 0.0307