| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.55 | 4.42 | 0.13 |
| Feb | 4.52 | 4.46 | 0.06 |
| Mar | 4.82 | 4.67 | 0.15 |
| Apr | 3.60 | 3.66 | -0.06 |
| May | 3.49 | 3.31 | 0.18 |
| Jun | 4.46 | 4.61 | -0.15 |
| Jul | 4.14 | 4.32 | -0.18 |
| Aug | 4.87 | 4.48 | 0.39 |
| Sep | 3.87 | 3.93 | -0.06 |
| Oct | 3.26 | 3.22 | 0.04 |
| Nov | 3.69 | 3.70 | -0.01 |
| Dec | 4.52 | 4.56 | -0.04 |
49.79 | 49.34 | 0.45 |