| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.18 | 5.32 | -0.14 |
| Feb | 5.43 | 5.63 | -0.20 |
| Mar | 5.43 | 5.58 | -0.15 |
| Apr | 4.73 | 4.85 | -0.12 |
| May | 4.29 | 4.49 | -0.20 |
| Jun | 4.56 | 4.78 | -0.22 |
| Jul | 4.60 | 4.64 | -0.04 |
| Aug | 3.85 | 4.18 | -0.33 |
| Sep | 3.48 | 3.57 | -0.09 |
| Oct | 3.30 | 3.35 | -0.05 |
| Nov | 4.55 | 4.58 | -0.03 |
| Dec | 5.07 | 5.16 | -0.09 |
54.47 | 56.13 | -1.66 |