| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.56 | 3.60 | -0.04 |
| Feb | 3.45 | 3.57 | -0.12 |
| Mar | 3.47 | 3.52 | -0.05 |
| Apr | 3.29 | 3.24 | 0.05 |
| May | 3.36 | 3.35 | 0.01 |
| Jun | 5.44 | 5.47 | -0.03 |
| Jul | 5.65 | 5.65 | 0.00 |
| Aug | 6.29 | 6.50 | -0.21 |
| Sep | 4.66 | 4.69 | -0.03 |
| Oct | 3.62 | 3.44 | 0.18 |
| Nov | 2.84 | 2.97 | -0.13 |
| Dec | 3.47 | 3.50 | -0.03 |
49.10 | 49.50 | -0.40 |