| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.59 | 3.72 | -0.13 |
| Feb | 2.85 | 2.91 | -0.06 |
| Mar | 4.15 | 4.15 | 0.00 |
| Apr | 3.69 | 3.90 | -0.21 |
| May | 3.78 | 3.63 | 0.15 |
| Jun | 4.37 | 4.44 | -0.07 |
| Jul | 4.45 | 4.40 | 0.05 |
| Aug | 4.60 | 4.47 | 0.13 |
| Sep | 4.44 | 4.72 | -0.28 |
| Oct | 3.57 | 3.49 | 0.08 |
| Nov | 3.29 | 3.32 | -0.03 |
| Dec | 3.58 | 3.59 | -0.01 |
46.36 | 46.74 | -0.38 |