| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.49 | 3.51 | -0.02 |
| Feb | 2.74 | 2.73 | 0.01 |
| Mar | 4.14 | 4.23 | -0.09 |
| Apr | 3.61 | 3.74 | -0.13 |
| May | 4.01 | 4.02 | -0.01 |
| Jun | 4.35 | 4.53 | -0.18 |
| Jul | 4.93 | 4.86 | 0.07 |
| Aug | 4.28 | 4.41 | -0.13 |
| Sep | 4.01 | 4.14 | -0.13 |
| Oct | 4.11 | 3.98 | 0.13 |
| Nov | 3.24 | 3.31 | -0.07 |
| Dec | 4.29 | 4.32 | -0.03 |
47.20 | 47.78 | -0.58 |