| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.07 | 5.03 | 0.04 |
| Feb | 5.01 | 4.98 | 0.03 |
| Mar | 5.45 | 5.35 | 0.10 |
| Apr | 4.44 | 4.66 | -0.22 |
| May | 3.72 | 3.80 | -0.08 |
| Jun | 4.63 | 4.85 | -0.22 |
| Jul | 5.20 | 5.00 | 0.20 |
| Aug | 4.26 | 4.34 | -0.08 |
| Sep | 3.81 | 3.57 | 0.24 |
| Oct | 3.29 | 3.20 | 0.09 |
| Nov | 4.37 | 4.13 | 0.24 |
| Dec | 5.65 | 5.55 | 0.10 |
54.90 | 54.46 | 0.44 |