| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.56 | 3.82 | -0.26 |
| Feb | 3.62 | 3.81 | -0.19 |
| Mar | 4.57 | 4.73 | -0.16 |
| Apr | 4.52 | 4.52 | 0.00 |
| May | 5.09 | 5.28 | -0.19 |
| Jun | 4.82 | 4.92 | -0.10 |
| Jul | 5.40 | 5.69 | -0.29 |
| Aug | 3.86 | 3.81 | 0.05 |
| Sep | 3.85 | 3.88 | -0.03 |
| Oct | 3.36 | 3.42 | -0.06 |
| Nov | 3.28 | 3.34 | -0.06 |
| Dec | 4.24 | 4.48 | -0.24 |
50.17 | 51.70 | -1.53 |