| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.71 | 4.56 | 0.15 |
| Feb | 3.75 | 3.88 | -0.13 |
| Mar | 4.17 | 4.28 | -0.11 |
| Apr | 4.03 | 3.94 | 0.09 |
| May | 4.62 | 4.61 | 0.01 |
| Jun | 4.30 | 4.55 | -0.25 |
| Jul | 3.51 | 3.24 | 0.27 |
| Aug | 3.42 | 3.81 | -0.39 |
| Sep | 3.97 | 3.79 | 0.18 |
| Oct | 4.70 | 4.70 | 0.00 |
| Nov | 4.46 | 4.69 | -0.23 |
| Dec | 4.76 | 5.00 | -0.24 |
50.40 | 51.05 | -0.65 |