| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.33 | 3.30 | 0.03 |
| Feb | 2.80 | 2.84 | -0.04 |
| Mar | 3.48 | 3.42 | 0.06 |
| Apr | 2.63 | 2.76 | -0.13 |
| May | 3.52 | 3.31 | 0.21 |
| Jun | 7.57 | 7.79 | -0.22 |
| Jul | 6.79 | 7.09 | -0.30 |
| Aug | 7.74 | 7.54 | 0.20 |
| Sep | 6.15 | 6.11 | 0.04 |
| Oct | 2.96 | 3.07 | -0.11 |
| Nov | 2.08 | 2.07 | 0.01 |
| Dec | 2.80 | 2.74 | 0.06 |
51.85 | 52.04 | -0.19 |