| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.47 | 4.36 | 0.11 |
| Feb | 4.39 | 4.31 | 0.08 |
| Mar | 4.65 | 4.63 | 0.02 |
| Apr | 3.66 | 3.63 | 0.03 |
| May | 3.47 | 3.43 | 0.04 |
| Jun | 4.67 | 4.38 | 0.29 |
| Jul | 4.05 | 4.07 | -0.02 |
| Aug | 4.62 | 4.45 | 0.17 |
| Sep | 3.80 | 3.85 | -0.05 |
| Oct | 3.27 | 3.37 | -0.10 |
| Nov | 3.72 | 3.83 | -0.11 |
| Dec | 4.67 | 4.69 | -0.02 |
49.44 | 49.00 | 0.44 |