| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.20 | 4.20 | 0.00 |
| Feb | 4.63 | 4.55 | 0.08 |
| Mar | 4.83 | 4.79 | 0.04 |
| Apr | 5.01 | 4.86 | 0.15 |
| May | 5.07 | 5.15 | -0.08 |
| Jun | 4.36 | 4.32 | 0.04 |
| Jul | 4.68 | 4.62 | 0.06 |
| Aug | 3.93 | 3.86 | 0.07 |
| Sep | 3.72 | 3.75 | -0.03 |
| Oct | 3.56 | 3.48 | 0.08 |
| Nov | 3.76 | 3.71 | 0.05 |
| Dec | 4.86 | 4.82 | 0.04 |
52.61 | 52.11 | 0.50 |