| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.74 | 3.70 | 0.04 |
| Feb | 3.28 | 3.19 | 0.09 |
| Mar | 3.99 | 3.99 | 0.00 |
| Apr | 3.58 | 3.62 | -0.04 |
| May | 3.90 | 3.90 | 0.00 |
| Jun | 4.92 | 4.82 | 0.10 |
| Jul | 5.52 | 5.52 | 0.00 |
| Aug | 5.91 | 5.76 | 0.15 |
| Sep | 6.29 | 6.36 | -0.07 |
| Oct | 3.72 | 3.93 | -0.21 |
| Nov | 3.29 | 3.34 | -0.05 |
| Dec | 3.51 | 3.48 | 0.03 |
51.65 | 51.61 | 0.04 |