| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.92 | 5.00 | -0.08 |
| Feb | 4.94 | 4.93 | 0.01 |
| Mar | 5.08 | 5.07 | 0.01 |
| Apr | 4.20 | 4.29 | -0.09 |
| May | 4.02 | 4.04 | -0.02 |
| Jun | 4.77 | 4.54 | 0.23 |
| Jul | 4.63 | 4.85 | -0.22 |
| Aug | 4.66 | 4.65 | 0.01 |
| Sep | 4.04 | 4.20 | -0.16 |
| Oct | 3.78 | 3.71 | 0.07 |
| Nov | 4.39 | 4.32 | 0.07 |
| Dec | 4.85 | 4.89 | -0.04 |
54.28 | 54.49 | -0.21 |