| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.16 | 5.02 | 0.14 |
| Feb | 5.15 | 5.07 | 0.08 |
| Mar | 5.49 | 5.30 | 0.19 |
| Apr | 4.59 | 4.45 | 0.14 |
| May | 3.87 | 3.86 | 0.01 |
| Jun | 4.45 | 4.24 | 0.21 |
| Jul | 4.84 | 4.64 | 0.20 |
| Aug | 4.09 | 4.04 | 0.05 |
| Sep | 3.77 | 3.85 | -0.08 |
| Oct | 3.34 | 3.41 | -0.07 |
| Nov | 4.43 | 4.33 | 0.10 |
| Dec | 5.18 | 5.08 | 0.10 |
54.36 | 53.29 | 1.07 |