| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.34 | 3.40 | -0.06 |
| Feb | 2.72 | 2.83 | -0.11 |
| Mar | 4.32 | 4.35 | -0.03 |
| Apr | 3.76 | 3.61 | 0.15 |
| May | 3.71 | 3.79 | -0.08 |
| Jun | 4.54 | 4.49 | 0.05 |
| Jul | 4.85 | 4.60 | 0.25 |
| Aug | 4.31 | 4.46 | -0.15 |
| Sep | 4.62 | 4.62 | 0.00 |
| Oct | 4.00 | 4.19 | -0.19 |
| Nov | 3.25 | 3.24 | 0.01 |
| Dec | 4.03 | 4.22 | -0.19 |
47.45 | 47.80 | -0.35 |