| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.53 | 3.65 | -0.12 |
| Feb | 3.32 | 3.42 | -0.10 |
| Mar | 4.31 | 4.52 | -0.21 |
| Apr | 4.14 | 4.19 | -0.05 |
| May | 3.61 | 3.56 | 0.05 |
| Jun | 4.19 | 4.07 | 0.12 |
| Jul | 3.57 | 3.66 | -0.09 |
| Aug | 3.65 | 3.67 | -0.02 |
| Sep | 3.74 | 3.70 | 0.04 |
| Oct | 4.73 | 4.73 | 0.00 |
| Nov | 3.91 | 3.87 | 0.04 |
| Dec | 4.51 | 4.75 | -0.24 |
47.21 | 47.79 | -0.58 |