| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.74 | 3.68 | 0.06 |
| Feb | 3.29 | 3.19 | 0.10 |
| Mar | 4.02 | 3.92 | 0.10 |
| Apr | 3.63 | 3.69 | -0.06 |
| May | 4.08 | 4.14 | -0.06 |
| Jun | 4.79 | 4.68 | 0.11 |
| Jul | 5.75 | 5.57 | 0.18 |
| Aug | 6.01 | 5.71 | 0.30 |
| Sep | 6.70 | 6.54 | 0.16 |
| Oct | 3.56 | 3.60 | -0.04 |
| Nov | 3.30 | 3.30 | 0.00 |
| Dec | 3.49 | 3.39 | 0.10 |
52.36 | 51.41 | 0.95 |