| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.58 | 4.45 | 0.13 |
| Feb | 4.46 | 4.47 | -0.01 |
| Mar | 4.72 | 4.66 | 0.06 |
| Apr | 3.63 | 3.62 | 0.01 |
| May | 3.53 | 3.35 | 0.18 |
| Jun | 4.68 | 4.77 | -0.09 |
| Jul | 4.07 | 4.31 | -0.24 |
| Aug | 4.93 | 4.52 | 0.41 |
| Sep | 3.89 | 3.95 | -0.06 |
| Oct | 3.24 | 3.29 | -0.05 |
| Nov | 3.74 | 3.74 | 0.00 |
| Dec | 4.64 | 4.66 | -0.02 |
50.11 | 49.79 | 0.32 |