| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.83 | 6.38 | 0.45 |
| Feb | 4.60 | 4.55 | 0.05 |
| Mar | 5.27 | 5.00 | 0.27 |
| Apr | 3.99 | 3.97 | 0.02 |
| May | 2.93 | 2.90 | 0.03 |
| Jun | 2.32 | 2.42 | -0.10 |
| Jul | 1.02 | 0.94 | 0.08 |
| Aug | 1.23 | 1.20 | 0.03 |
| Sep | 2.33 | 2.18 | 0.15 |
| Oct | 5.02 | 4.67 | 0.35 |
| Nov | 7.49 | 6.89 | 0.60 |
| Dec | 6.83 | 6.32 | 0.51 |
49.86 | 47.42 | 2.44 |