| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.37 | 3.38 | -0.01 |
| Feb | 3.03 | 3.10 | -0.07 |
| Mar | 4.45 | 4.60 | -0.15 |
| Apr | 3.47 | 3.62 | -0.15 |
| May | 3.24 | 3.38 | -0.14 |
| Jun | 3.75 | 3.71 | 0.04 |
| Jul | 4.38 | 4.40 | -0.02 |
| Aug | 4.70 | 4.72 | -0.02 |
| Sep | 3.86 | 4.04 | -0.18 |
| Oct | 4.16 | 4.32 | -0.16 |
| Nov | 3.37 | 3.39 | -0.02 |
| Dec | 4.26 | 4.40 | -0.14 |
46.04 | 47.06 | -1.02 |