| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.40 | 3.46 | -0.06 |
| Feb | 3.13 | 3.18 | -0.05 |
| Mar | 4.30 | 4.21 | 0.09 |
| Apr | 5.00 | 4.89 | 0.11 |
| May | 5.38 | 5.14 | 0.24 |
| Jun | 4.97 | 4.81 | 0.16 |
| Jul | 4.51 | 4.56 | -0.05 |
| Aug | 3.83 | 3.60 | 0.23 |
| Sep | 3.41 | 3.23 | 0.18 |
| Oct | 3.44 | 3.34 | 0.10 |
| Nov | 3.48 | 3.31 | 0.17 |
| Dec | 4.00 | 4.22 | -0.22 |
48.85 | 47.95 | 0.90 |