| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.62 | 5.86 | -0.24 |
| Feb | 5.20 | 5.45 | -0.25 |
| Mar | 5.09 | 5.45 | -0.36 |
| Apr | 5.92 | 6.25 | -0.33 |
| May | 4.39 | 4.68 | -0.29 |
| Jun | 4.20 | 4.45 | -0.25 |
| Jul | 4.18 | 4.55 | -0.37 |
| Aug | 4.53 | 3.99 | 0.54 |
| Sep | 3.41 | 3.60 | -0.19 |
| Oct | 4.08 | 4.21 | -0.13 |
| Nov | 4.29 | 4.78 | -0.49 |
| Dec | 5.54 | 5.47 | 0.07 |
56.45 | 58.74 | -2.29 |