| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.73 | 4.55 | 0.18 |
| Feb | 4.70 | 4.64 | 0.06 |
| Mar | 5.23 | 5.01 | 0.22 |
| Apr | 5.10 | 4.89 | 0.21 |
| May | 4.78 | 4.85 | -0.07 |
| Jun | 4.92 | 4.90 | 0.02 |
| Jul | 5.04 | 5.25 | -0.21 |
| Aug | 3.94 | 3.97 | -0.03 |
| Sep | 3.59 | 3.43 | 0.16 |
| Oct | 3.04 | 3.15 | -0.11 |
| Nov | 3.70 | 3.64 | 0.06 |
| Dec | 5.31 | 5.21 | 0.10 |
54.08 | 53.49 | 0.59 |