| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.34 | 5.21 | 0.13 |
| Feb | 5.20 | 5.45 | -0.25 |
| Mar | 5.61 | 5.45 | 0.16 |
| Apr | 5.18 | 5.21 | -0.03 |
| May | 4.39 | 4.60 | -0.21 |
| Jun | 4.75 | 4.83 | -0.08 |
| Jul | 4.46 | 4.37 | 0.09 |
| Aug | 3.97 | 3.84 | 0.13 |
| Sep | 4.10 | 4.20 | -0.10 |
| Oct | 3.73 | 3.57 | 0.16 |
| Nov | 4.32 | 4.32 | 0.00 |
| Dec | 5.66 | 5.92 | -0.26 |
56.71 | 56.97 | -0.26 |