| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.43 | 3.59 | -0.16 |
| Feb | 2.75 | 3.03 | -0.28 |
| Mar | 3.79 | 3.69 | 0.10 |
| Apr | 4.81 | 5.26 | -0.45 |
| May | 5.15 | 5.24 | -0.09 |
| Jun | 4.79 | 5.21 | -0.42 |
| Jul | 4.43 | 4.65 | -0.22 |
| Aug | 3.41 | 3.60 | -0.19 |
| Sep | 3.41 | 3.81 | -0.40 |
| Oct | 3.58 | 3.51 | 0.07 |
| Nov | 3.74 | 3.78 | -0.04 |
| Dec | 3.52 | 3.75 | -0.23 |
46.81 | 49.12 | -2.31 |