Measurement results by the hour (Chofu) 16 Feb., 2015 - 22 Feb., 2015

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., 22 Feb. 0.0355 0.0326 0.0340
22:01-23:00, Sun., 22 Feb. 0.0360 0.0307 0.0334
21:01-22:00, Sun., 22 Feb. 0.0353 0.0301 0.0320
20:01-21:00, Sun., 22 Feb. 0.0331 0.0295 0.0315
19:01-20:00, Sun., 22 Feb. 0.0348 0.0290 0.0313
18:01-19:00, Sun., 22 Feb. 0.0340 0.0292 0.0315
17:01-18:00, Sun., 22 Feb. 0.0335 0.0293 0.0314
16:01-17:00, Sun., 22 Feb. 0.0334 0.0300 0.0317
15:01-16:00, Sun., 22 Feb. 0.0337 0.0295 0.0316
14:01-15:00, Sun., 22 Feb. 0.0333 0.0291 0.0315
13:01-14:00, Sun., 22 Feb. 0.0336 0.0290 0.0316
12:01-13:00, Sun., 22 Feb. 0.0331 0.0286 0.0311
11:01-12:00, Sun., 22 Feb. 0.0334 0.0285 0.0311
10:01-11:00, Sun., 22 Feb. 0.0341 0.0295 0.0316
09:01-10:00, Sun., 22 Feb. 0.0346 0.0302 0.0322
08:01-09:00, Sun., 22 Feb. 0.0348 0.0309 0.0329
07:01-08:00, Sun., 22 Feb. 0.0370 0.0320 0.0342
06:01-07:00, Sun., 22 Feb. 0.0378 0.0312 0.0342
05:01-06:00, Sun., 22 Feb. 0.0344 0.0309 0.0327
04:01-05:00, Sun., 22 Feb. 0.0348 0.0314 0.0330
03:01-04:00, Sun., 22 Feb. 0.0343 0.0304 0.0325
02:01-03:00, Sun., 22 Feb. 0.0334 0.0296 0.0313
01:01-02:00, Sun., 22 Feb. 0.0332 0.0287 0.0310
00:01-01:00, Sun., 22 Feb. 0.0325 0.0292 0.0307
23:01-24:00, Sat., 21 Feb. 0.0331 0.0290 0.0308
22:01-23:00, Sat., 21 Feb. 0.0328 0.0289 0.0308
21:01-22:00, Sat., 21 Feb. 0.0340 0.0295 0.0310
20:01-21:00, Sat., 21 Feb. 0.0332 0.0293 0.0309
19:01-20:00, Sat., 21 Feb. 0.0326 0.0290 0.0307
18:01-19:00, Sat., 21 Feb. 0.0326 0.0291 0.0307
17:01-18:00, Sat., 21 Feb. 0.0333 0.0284 0.0310
16:01-17:00, Sat., 21 Feb. 0.0323 0.0291 0.0308
15:01-16:00, Sat., 21 Feb. 0.0325 0.0290 0.0308
14:01-15:00, Sat., 21 Feb. 0.0338 0.0292 0.0312
13:01-14:00, Sat., 21 Feb. 0.0334 0.0293 0.0311
12:01-13:00, Sat., 21 Feb. 0.0331 0.0293 0.0313
11:01-12:00, Sat., 21 Feb. 0.0333 0.0289 0.0312
10:01-11:00, Sat., 21 Feb. 0.0337 0.0298 0.0315
09:01-10:00, Sat., 21 Feb. 0.0352 0.0299 0.0320
08:01-09:00, Sat., 21 Feb. 0.0354 0.0303 0.0331
07:01-08:00, Sat., 21 Feb. 0.0357 0.0317 0.0339
06:01-07:00, Sat., 21 Feb. 0.0349 0.0315 0.0334
05:01-06:00, Sat., 21 Feb. 0.0349 0.0311 0.0333
04:01-05:00, Sat., 21 Feb. 0.0362 0.0307 0.0331
03:01-04:00, Sat., 21 Feb. 0.0343 0.0306 0.0323
02:01-03:00, Sat., 21 Feb. 0.0336 0.0305 0.0321
01:01-02:00, Sat., 21 Feb. 0.0336 0.0286 0.0313
00:01-01:00, Sat., 21 Feb. 0.0324 0.0290 0.0308
23:01-24:00, Fri., 20 Feb. 0.0326 0.0283 0.0308
22:01-23:00, Fri., 20 Feb. 0.0332 0.0286 0.0309
21:01-22:00, Fri., 20 Feb. 0.0323 0.0290 0.0309
20:01-21:00, Fri., 20 Feb. 0.0334 0.0293 0.0309
19:01-20:00, Fri., 20 Feb. 0.0328 0.0293 0.0311
18:01-19:00, Fri., 20 Feb. 0.0330 0.0289 0.0309
17:01-18:00, Fri., 20 Feb. 0.0333 0.0288 0.0310
16:01-17:00, Fri., 20 Feb. 0.0326 0.0290 0.0311
15:01-16:00, Fri., 20 Feb. 0.0329 0.0287 0.0309
14:01-15:00, Fri., 20 Feb. 0.0329 0.0288 0.0310
13:01-14:00, Fri., 20 Feb. 0.0325 0.0290 0.0309
12:01-13:00, Fri., 20 Feb. 0.0333 0.0290 0.0312
11:01-12:00, Fri., 20 Feb. 0.0339 0.0293 0.0312
10:01-11:00, Fri., 20 Feb. 0.0335 0.0294 0.0313
09:01-10:00, Fri., 20 Feb. 0.0331 0.0297 0.0316
08:01-09:00, Fri., 20 Feb. 0.0333 0.0300 0.0319
07:01-08:00, Fri., 20 Feb. 0.0341 0.0304 0.0322
06:01-07:00, Fri., 20 Feb. 0.0347 0.0297 0.0323
05:01-06:00, Fri., 20 Feb. 0.0356 0.0304 0.0324
04:01-05:00, Fri., 20 Feb. 0.0342 0.0301 0.0318
03:01-04:00, Fri., 20 Feb. 0.0335 0.0296 0.0315
02:01-03:00, Fri., 20 Feb. 0.0326 0.0295 0.0311
01:01-02:00, Fri., 20 Feb. 0.0333 0.0285 0.0308
00:01-01:00, Fri., 20 Feb. 0.0322 0.0289 0.0306
23:01-24:00, Thu., 19 Feb. 0.0327 0.0285 0.0305
22:01-23:00, Thu., 19 Feb. 0.0324 0.0281 0.0305
21:01-22:00, Thu., 19 Feb. 0.0324 0.0282 0.0305
20:01-21:00, Thu., 19 Feb. 0.0325 0.0274 0.0305
19:01-20:00, Thu., 19 Feb. 0.0332 0.0284 0.0306
18:01-19:00, Thu., 19 Feb. 0.0336 0.0282 0.0306
17:01-18:00, Thu., 19 Feb. 0.0324 0.0286 0.0305
16:01-17:00, Thu., 19 Feb. 0.0332 0.0285 0.0306
15:01-16:00, Thu., 19 Feb. 0.0326 0.0284 0.0308
14:01-15:00, Thu., 19 Feb. 0.0332 0.0289 0.0305
13:01-14:00, Thu., 19 Feb. 0.0320 0.0287 0.0305
12:01-13:00, Thu., 19 Feb. 0.0340 0.0293 0.0310
11:01-12:00, Thu., 19 Feb. 0.0340 0.0287 0.0314
10:01-11:00, Thu., 19 Feb. 0.0337 0.0290 0.0315
09:01-10:00, Thu., 19 Feb. 0.0339 0.0283 0.0311
08:01-09:00, Thu., 19 Feb. 0.0331 0.0292 0.0310
07:01-08:00, Thu., 19 Feb. 0.0326 0.0290 0.0310
06:01-07:00, Thu., 19 Feb. 0.0332 0.0289 0.0308
05:01-06:00, Thu., 19 Feb. 0.0328 0.0287 0.0307
04:01-05:00, Thu., 19 Feb. 0.0333 0.0277 0.0307
03:01-04:00, Thu., 19 Feb. 0.0325 0.0286 0.0307
02:01-03:00, Thu., 19 Feb. 0.0325 0.0288 0.0305
01:01-02:00, Thu., 19 Feb. 0.0326 0.0286 0.0305
00:01-01:00, Thu., 19 Feb. 0.0326 0.0288 0.0306
23:01-24:00, Wed., 18 Feb. 0.0329 0.0280 0.0304
22:01-23:00, Wed., 18 Feb. 0.0319 0.0284 0.0303
21:01-22:00, Wed., 18 Feb. 0.0328 0.0288 0.0305
20:01-21:00, Wed., 18 Feb. 0.0338 0.0294 0.0312
19:01-20:00, Wed., 18 Feb. 0.0389 0.0306 0.0344
18:01-19:00, Wed., 18 Feb. 0.0404 0.0344 0.0371
17:01-18:00, Wed., 18 Feb. 0.0417 0.0354 0.0385
16:01-17:00, Wed., 18 Feb. 0.0442 0.0355 0.0387
15:01-16:00, Wed., 18 Feb. 0.0403 0.0350 0.0371
14:01-15:00, Wed., 18 Feb. 0.0411 0.0353 0.0370
13:01-14:00, Wed., 18 Feb. 0.0385 0.0334 0.0359
12:01-13:00, Wed., 18 Feb. 0.0365 0.0330 0.0345
11:01-12:00, Wed., 18 Feb. 0.0372 0.0319 0.0337
10:01-11:00, Wed., 18 Feb. 0.0367 0.0325 0.0348
09:01-10:00, Wed., 18 Feb. 0.0363 0.0328 0.0345
08:01-09:00, Wed., 18 Feb. 0.0351 0.0308 0.0326
07:01-08:00, Wed., 18 Feb. 0.0349 0.0310 0.0329
06:01-07:00, Wed., 18 Feb. 0.0357 0.0305 0.0333
05:01-06:00, Wed., 18 Feb. 0.0331 0.0297 0.0314
04:01-05:00, Wed., 18 Feb. 0.0333 0.0296 0.0317
03:01-04:00, Wed., 18 Feb. 0.0342 0.0295 0.0323
02:01-03:00, Wed., 18 Feb. 0.0366 0.0322 0.0338
01:01-02:00, Wed., 18 Feb. 0.0356 0.0313 0.0333
00:01-01:00, Wed., 18 Feb. 0.0357 0.0310 0.0337
23:01-24:00, Tue., 17 Feb. 0.0369 0.0319 0.0344
22:01-23:00, Tue., 17 Feb. 0.0367 0.0331 0.0350
21:01-22:00, Tue., 17 Feb. 0.0402 0.0316 0.0359
20:01-21:00, Tue., 17 Feb. 0.0354 0.0315 0.0333
19:01-20:00, Tue., 17 Feb. 0.0363 0.0315 0.0339
18:01-19:00, Tue., 17 Feb. 0.0357 0.0316 0.0341
17:01-18:00, Tue., 17 Feb. 0.0365 0.0322 0.0342
16:01-17:00, Tue., 17 Feb. 0.0365 0.0313 0.0336
15:01-16:00, Tue., 17 Feb. 0.0355 0.0311 0.0335
14:01-15:00, Tue., 17 Feb. 0.0348 0.0307 0.0329
13:01-14:00, Tue., 17 Feb. 0.0343 0.0299 0.0324
12:01-13:00, Tue., 17 Feb. 0.0340 0.0300 0.0319
11:01-12:00, Tue., 17 Feb. 0.0352 0.0313 0.0330
10:01-11:00, Tue., 17 Feb. 0.0414 0.0334 0.0369
09:01-10:00, Tue., 17 Feb. 0.0543 0.0377 0.0473
08:01-09:00, Tue., 17 Feb. 0.0538 0.0350 0.0449
07:01-08:00, Tue., 17 Feb. 0.0392 0.0313 0.0346
06:01-07:00, Tue., 17 Feb. 0.0344 0.0303 0.0319
05:01-06:00, Tue., 17 Feb. 0.0342 0.0303 0.0320
04:01-05:00, Tue., 17 Feb. 0.0344 0.0295 0.0317
03:01-04:00, Tue., 17 Feb. 0.0336 0.0305 0.0318
02:01-03:00, Tue., 17 Feb. 0.0344 0.0299 0.0320
01:01-02:00, Tue., 17 Feb. 0.0338 0.0302 0.0321
00:01-01:00, Tue., 17 Feb. 0.0340 0.0295 0.0316
23:01-24:00, Mon., 16 Feb. 0.0336 0.0298 0.0319
22:01-23:00, Mon., 16 Feb. 0.0342 0.0302 0.0319
21:01-22:00, Mon., 16 Feb. 0.0335 0.0288 0.0317
20:01-21:00, Mon., 16 Feb. 0.0333 0.0290 0.0315
19:01-20:00, Mon., 16 Feb. 0.0328 0.0296 0.0315
18:01-19:00, Mon., 16 Feb. 0.0334 0.0293 0.0313
17:01-18:00, Mon., 16 Feb. 0.0328 0.0293 0.0311
16:01-17:00, Mon., 16 Feb. 0.0335 0.0297 0.0311
15:01-16:00, Mon., 16 Feb. 0.0338 0.0300 0.0313
14:01-15:00, Mon., 16 Feb. 0.0336 0.0294 0.0314
13:01-14:00, Mon., 16 Feb. 0.0332 0.0295 0.0317
12:01-13:00, Mon., 16 Feb. 0.0337 0.0295 0.0317
11:01-12:00, Mon., 16 Feb. 0.0341 0.0293 0.0321
10:01-11:00, Mon., 16 Feb. 0.0355 0.0301 0.0323
09:01-10:00, Mon., 16 Feb. 0.0353 0.0304 0.0324
08:01-09:00, Mon., 16 Feb. 0.0345 0.0306 0.0325
07:01-08:00, Mon., 16 Feb. 0.0339 0.0297 0.0320
06:01-07:00, Mon., 16 Feb. 0.0339 0.0296 0.0314
05:01-06:00, Mon., 16 Feb. 0.0335 0.0290 0.0314
04:01-05:00, Mon., 16 Feb. 0.0333 0.0284 0.0315
03:01-04:00, Mon., 16 Feb. 0.0326 0.0291 0.0314
02:01-03:00, Mon., 16 Feb. 0.0335 0.0298 0.0314
01:01-02:00, Mon., 16 Feb. 0.0331 0.0294 0.0315
00:01-01:00, Mon., 16 Feb. 0.0337 0.0295 0.0314