| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.82 | 3.73 | 0.09 |
| Feb | 2.87 | 2.95 | -0.08 |
| Mar | 3.51 | 3.49 | 0.02 |
| Apr | 3.95 | 3.80 | 0.15 |
| May | 4.94 | 5.09 | -0.15 |
| Jun | 4.89 | 4.80 | 0.09 |
| Jul | 3.55 | 3.43 | 0.12 |
| Aug | 4.36 | 4.48 | -0.12 |
| Sep | 4.49 | 4.52 | -0.03 |
| Oct | 4.72 | 4.80 | -0.08 |
| Nov | 4.26 | 4.25 | 0.01 |
| Dec | 3.76 | 3.86 | -0.10 |
49.12 | 49.20 | -0.08 |