| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.52 | 4.63 | -0.11 |
| Feb | 3.73 | 3.79 | -0.06 |
| Mar | 4.57 | 4.32 | 0.25 |
| Apr | 3.52 | 3.44 | 0.08 |
| May | 2.84 | 2.65 | 0.19 |
| Jun | 6.53 | 6.51 | 0.02 |
| Jul | 6.01 | 5.73 | 0.28 |
| Aug | 5.98 | 5.90 | 0.08 |
| Sep | 4.67 | 4.70 | -0.03 |
| Oct | 3.17 | 3.16 | 0.01 |
| Nov | 2.51 | 2.48 | 0.03 |
| Dec | 3.37 | 3.46 | -0.09 |
51.42 | 50.77 | 0.65 |