| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.06 | 6.97 | 0.09 |
| Feb | 7.03 | 6.61 | 0.42 |
| Mar | 6.23 | 6.29 | -0.06 |
| Apr | 3.28 | 3.31 | -0.03 |
| May | 1.87 | 1.98 | -0.11 |
| Jun | 0.53 | 0.56 | -0.03 |
| Jul | 0.01 | 0.01 | 0.00 |
| Aug | 0.06 | 0.08 | -0.02 |
| Sep | 0.35 | 0.34 | 0.01 |
| Oct | 2.02 | 1.94 | 0.08 |
| Nov | 4.33 | 4.31 | 0.02 |
| Dec | 7.47 | 7.36 | 0.11 |
40.24 | 39.76 | 0.48 |