| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.30 | 4.46 | -0.16 |
| Feb | 3.96 | 4.16 | -0.20 |
| Mar | 4.67 | 4.67 | 0.00 |
| Apr | 3.64 | 3.86 | -0.22 |
| May | 3.92 | 3.77 | 0.15 |
| Jun | 4.12 | 4.06 | 0.06 |
| Jul | 3.94 | 3.95 | -0.01 |
| Aug | 4.29 | 4.53 | -0.24 |
| Sep | 3.43 | 3.60 | -0.17 |
| Oct | 3.24 | 3.36 | -0.12 |
| Nov | 3.55 | 3.94 | -0.39 |
| Dec | 4.46 | 4.90 | -0.44 |
47.52 | 49.26 | -1.74 |