| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.60 | 3.67 | -0.07 |
| Feb | 3.09 | 3.06 | 0.03 |
| Mar | 3.99 | 3.89 | 0.10 |
| Apr | 3.61 | 3.61 | 0.00 |
| May | 3.74 | 3.85 | -0.11 |
| Jun | 4.45 | 4.51 | -0.06 |
| Jul | 5.39 | 5.37 | 0.02 |
| Aug | 5.41 | 5.48 | -0.07 |
| Sep | 6.12 | 6.13 | -0.01 |
| Oct | 3.40 | 3.47 | -0.07 |
| Nov | 3.25 | 3.27 | -0.02 |
| Dec | 3.38 | 3.26 | 0.12 |
49.43 | 49.57 | -0.14 |