| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.47 | 3.52 | -0.05 |
| Feb | 2.74 | 2.75 | -0.01 |
| Mar | 3.98 | 3.98 | 0.00 |
| Apr | 3.49 | 3.48 | 0.01 |
| May | 4.22 | 4.09 | 0.13 |
| Jun | 4.33 | 4.18 | 0.15 |
| Jul | 4.66 | 4.58 | 0.08 |
| Aug | 4.54 | 4.46 | 0.08 |
| Sep | 4.63 | 4.72 | -0.09 |
| Oct | 3.57 | 3.63 | -0.06 |
| Nov | 3.22 | 3.24 | -0.02 |
| Dec | 3.71 | 3.67 | 0.04 |
46.56 | 46.30 | 0.26 |