| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.72 | 3.76 | -0.04 |
| Feb | 3.40 | 3.44 | -0.04 |
| Mar | 3.83 | 3.87 | -0.04 |
| Apr | 3.66 | 3.61 | 0.05 |
| May | 4.32 | 4.26 | 0.06 |
| Jun | 5.44 | 5.45 | -0.01 |
| Jul | 6.28 | 5.88 | 0.40 |
| Aug | 6.34 | 6.86 | -0.52 |
| Sep | 7.10 | 7.04 | 0.06 |
| Oct | 3.52 | 3.60 | -0.08 |
| Nov | 3.53 | 3.51 | 0.02 |
| Dec | 3.53 | 3.51 | 0.02 |
54.67 | 54.79 | -0.12 |