| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.82 | 2.57 | 0.25 |
| Feb | 2.26 | 2.29 | -0.03 |
| Mar | 2.91 | 2.81 | 0.10 |
| Apr | 2.67 | 2.60 | 0.07 |
| May | 3.52 | 3.60 | -0.08 |
| Jun | 7.45 | 6.32 | 1.13 |
| Jul | 6.36 | 5.90 | 0.46 |
| Aug | 6.61 | 6.58 | 0.03 |
| Sep | 7.45 | 8.24 | -0.79 |
| Oct | 4.62 | 5.14 | -0.52 |
| Nov | 2.45 | 2.50 | -0.05 |
| Dec | 2.34 | 2.46 | -0.12 |
51.46 | 51.01 | 0.45 |