| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.01 | 4.04 | -0.03 |
| Feb | 4.34 | 4.57 | -0.23 |
| Mar | 5.23 | 5.33 | -0.10 |
| Apr | 5.40 | 5.65 | -0.25 |
| May | 5.63 | 5.93 | -0.30 |
| Jun | 4.19 | 4.10 | 0.09 |
| Jul | 3.87 | 4.19 | -0.32 |
| Aug | 3.35 | 3.43 | -0.08 |
| Sep | 3.70 | 3.64 | 0.06 |
| Oct | 4.75 | 4.77 | -0.02 |
| Nov | 4.38 | 4.56 | -0.18 |
| Dec | 5.43 | 5.34 | 0.09 |
54.28 | 55.55 | -1.27 |