| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.13 | 4.16 | -0.03 |
| Feb | 4.77 | 4.66 | 0.11 |
| Mar | 5.49 | 5.50 | -0.01 |
| Apr | 5.31 | 5.16 | 0.15 |
| May | 5.43 | 5.70 | -0.27 |
| Jun | 4.54 | 4.60 | -0.06 |
| Jul | 4.30 | 4.37 | -0.07 |
| Aug | 3.63 | 3.46 | 0.17 |
| Sep | 3.81 | 3.81 | 0.00 |
| Oct | 3.64 | 3.77 | -0.13 |
| Nov | 4.52 | 4.43 | 0.09 |
| Dec | 5.16 | 5.20 | -0.04 |
54.73 | 54.82 | -0.09 |