| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.38 | 3.48 | -0.10 |
| Feb | 3.24 | 3.39 | -0.15 |
| Mar | 4.24 | 4.57 | -0.33 |
| Apr | 4.07 | 3.93 | 0.14 |
| May | 3.66 | 3.69 | -0.03 |
| Jun | 4.14 | 4.26 | -0.12 |
| Jul | 3.60 | 3.56 | 0.04 |
| Aug | 3.48 | 3.38 | 0.10 |
| Sep | 3.82 | 3.70 | 0.12 |
| Oct | 4.66 | 4.74 | -0.08 |
| Nov | 3.78 | 3.71 | 0.07 |
| Dec | 4.38 | 4.51 | -0.13 |
46.45 | 46.92 | -0.47 |