| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.53 | 1.57 | -0.04 |
| Feb | 1.80 | 1.70 | 0.10 |
| Mar | 2.89 | 3.00 | -0.11 |
| Apr | 4.43 | 4.85 | -0.42 |
| May | 6.07 | 6.09 | -0.02 |
| Jun | 5.45 | 5.62 | -0.17 |
| Jul | 4.21 | 4.69 | -0.48 |
| Aug | 3.66 | 3.90 | -0.24 |
| Sep | 4.38 | 4.51 | -0.13 |
| Oct | 3.41 | 3.35 | 0.06 |
| Nov | 2.87 | 2.63 | 0.24 |
| Dec | 2.09 | 2.12 | -0.03 |
42.79 | 44.03 | -1.24 |