| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.03 | 4.10 | -0.07 |
| Feb | 4.53 | 4.70 | -0.17 |
| Mar | 5.08 | 5.08 | 0.00 |
| Apr | 5.19 | 5.27 | -0.08 |
| May | 5.19 | 5.67 | -0.48 |
| Jun | 4.80 | 4.28 | 0.52 |
| Jul | 4.35 | 4.61 | -0.26 |
| Aug | 3.51 | 3.48 | 0.03 |
| Sep | 3.72 | 3.80 | -0.08 |
| Oct | 3.69 | 4.18 | -0.49 |
| Nov | 4.20 | 4.18 | 0.02 |
| Dec | 4.80 | 5.06 | -0.26 |
53.09 | 54.41 | -1.32 |