| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.43 | 4.40 | 0.03 |
| Feb | 4.22 | 4.28 | -0.06 |
| Mar | 4.58 | 4.51 | 0.07 |
| Apr | 3.54 | 3.76 | -0.22 |
| May | 2.82 | 2.80 | 0.02 |
| Jun | 4.29 | 4.41 | -0.12 |
| Jul | 5.01 | 4.81 | 0.20 |
| Aug | 4.37 | 4.49 | -0.12 |
| Sep | 3.69 | 3.78 | -0.09 |
| Oct | 2.73 | 2.81 | -0.08 |
| Nov | 3.18 | 3.27 | -0.09 |
| Dec | 4.72 | 4.54 | 0.18 |
47.58 | 47.86 | -0.28 |