| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.23 | 4.21 | 0.02 |
| Feb | 4.54 | 4.51 | 0.03 |
| Mar | 4.90 | 4.94 | -0.04 |
| Apr | 4.94 | 4.97 | -0.03 |
| May | 5.30 | 5.54 | -0.24 |
| Jun | 4.76 | 4.60 | 0.16 |
| Jul | 5.08 | 4.96 | 0.12 |
| Aug | 3.85 | 3.98 | -0.13 |
| Sep | 3.84 | 3.87 | -0.03 |
| Oct | 3.63 | 3.61 | 0.02 |
| Nov | 3.78 | 3.79 | -0.01 |
| Dec | 4.89 | 4.85 | 0.04 |
53.74 | 53.83 | -0.09 |