| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.71 | 3.72 | -0.01 |
| Feb | 3.28 | 3.22 | 0.06 |
| Mar | 4.05 | 3.96 | 0.09 |
| Apr | 3.67 | 3.71 | -0.04 |
| May | 4.02 | 4.12 | -0.10 |
| Jun | 4.64 | 4.60 | 0.04 |
| Jul | 5.64 | 5.60 | 0.04 |
| Aug | 5.75 | 5.71 | 0.04 |
| Sep | 6.70 | 6.61 | 0.09 |
| Oct | 3.54 | 3.62 | -0.08 |
| Nov | 3.27 | 3.34 | -0.07 |
| Dec | 3.47 | 3.42 | 0.05 |
51.74 | 51.63 | 0.11 |