| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.61 | 4.54 | 0.07 |
| Feb | 4.79 | 4.56 | 0.23 |
| Mar | 5.00 | 5.02 | -0.02 |
| Apr | 3.90 | 4.13 | -0.23 |
| May | 3.24 | 3.25 | -0.01 |
| Jun | 4.47 | 4.34 | 0.13 |
| Jul | 4.79 | 4.63 | 0.16 |
| Aug | 4.28 | 4.14 | 0.14 |
| Sep | 3.71 | 3.61 | 0.10 |
| Oct | 3.08 | 3.23 | -0.15 |
| Nov | 3.80 | 3.85 | -0.05 |
| Dec | 4.85 | 4.78 | 0.07 |
50.52 | 50.08 | 0.44 |