| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.72 | 3.66 | 0.06 |
| Feb | 4.17 | 4.19 | -0.02 |
| Mar | 5.09 | 4.91 | 0.18 |
| Apr | 5.62 | 5.42 | 0.20 |
| May | 5.60 | 5.42 | 0.18 |
| Jun | 3.69 | 3.56 | 0.13 |
| Jul | 3.85 | 3.86 | -0.01 |
| Aug | 3.58 | 3.22 | 0.36 |
| Sep | 3.32 | 3.24 | 0.08 |
| Oct | 4.43 | 4.40 | 0.03 |
| Nov | 4.77 | 4.96 | -0.19 |
| Dec | 5.05 | 5.12 | -0.07 |
52.89 | 51.96 | 0.93 |