| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.73 | 3.72 | 0.01 |
| Feb | 3.24 | 3.32 | -0.08 |
| Mar | 4.22 | 4.28 | -0.06 |
| Apr | 4.05 | 4.15 | -0.10 |
| May | 4.11 | 4.10 | 0.01 |
| Jun | 4.78 | 4.75 | 0.03 |
| Jul | 4.59 | 4.44 | 0.15 |
| Aug | 4.60 | 4.63 | -0.03 |
| Sep | 4.91 | 4.89 | 0.02 |
| Oct | 5.20 | 5.36 | -0.16 |
| Nov | 4.00 | 4.02 | -0.02 |
| Dec | 4.61 | 4.77 | -0.16 |
52.04 | 52.43 | -0.39 |