| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.39 | 3.57 | -0.18 |
| Feb | 3.48 | 3.58 | -0.10 |
| Mar | 5.01 | 5.03 | -0.02 |
| Apr | 5.48 | 5.50 | -0.02 |
| May | 5.68 | 5.45 | 0.23 |
| Jun | 3.94 | 3.64 | 0.30 |
| Jul | 4.02 | 4.24 | -0.22 |
| Aug | 4.07 | 3.95 | 0.12 |
| Sep | 4.00 | 3.95 | 0.05 |
| Oct | 4.15 | 4.28 | -0.13 |
| Nov | 5.10 | 5.25 | -0.15 |
| Dec | 4.32 | 4.26 | 0.06 |
52.64 | 52.70 | -0.06 |