| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.52 | 3.63 | -0.11 |
| Feb | 2.89 | 2.89 | 0.00 |
| Mar | 4.13 | 4.09 | 0.04 |
| Apr | 3.68 | 3.62 | 0.06 |
| May | 3.73 | 3.67 | 0.06 |
| Jun | 4.40 | 4.38 | 0.02 |
| Jul | 4.86 | 4.78 | 0.08 |
| Aug | 4.77 | 4.62 | 0.15 |
| Sep | 5.00 | 5.34 | -0.34 |
| Oct | 3.53 | 3.61 | -0.08 |
| Nov | 3.42 | 3.38 | 0.04 |
| Dec | 3.53 | 3.54 | -0.01 |
47.46 | 47.55 | -0.09 |