| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.09 | 4.13 | -0.04 |
| Feb | 4.73 | 4.66 | 0.07 |
| Mar | 5.49 | 5.46 | 0.03 |
| Apr | 5.27 | 5.14 | 0.13 |
| May | 5.41 | 5.62 | -0.21 |
| Jun | 4.50 | 4.57 | -0.07 |
| Jul | 4.28 | 4.31 | -0.03 |
| Aug | 3.56 | 3.41 | 0.15 |
| Sep | 3.82 | 3.76 | 0.06 |
| Oct | 3.70 | 3.75 | -0.05 |
| Nov | 4.46 | 4.41 | 0.05 |
| Dec | 5.18 | 5.23 | -0.05 |
54.49 | 54.45 | 0.04 |