| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.43 | 3.61 | -0.18 |
| Feb | 2.77 | 2.89 | -0.12 |
| Mar | 4.41 | 4.42 | -0.01 |
| Apr | 3.55 | 3.54 | 0.01 |
| May | 3.44 | 3.56 | -0.12 |
| Jun | 3.91 | 4.23 | -0.32 |
| Jul | 4.58 | 4.63 | -0.05 |
| Aug | 4.63 | 4.86 | -0.23 |
| Sep | 4.10 | 4.17 | -0.07 |
| Oct | 3.98 | 3.98 | 0.00 |
| Nov | 3.18 | 3.20 | -0.02 |
| Dec | 4.24 | 4.37 | -0.13 |
46.22 | 47.46 | -1.24 |