| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.77 | 3.83 | -0.06 |
| Feb | 3.47 | 3.46 | 0.01 |
| Mar | 4.61 | 4.68 | -0.07 |
| Apr | 4.13 | 4.30 | -0.17 |
| May | 3.60 | 3.60 | 0.00 |
| Jun | 4.13 | 4.04 | 0.09 |
| Jul | 3.52 | 3.54 | -0.02 |
| Aug | 3.54 | 3.62 | -0.08 |
| Sep | 3.85 | 3.79 | 0.06 |
| Oct | 4.67 | 4.79 | -0.12 |
| Nov | 3.92 | 3.97 | -0.05 |
| Dec | 4.70 | 4.86 | -0.16 |
47.91 | 48.48 | -0.57 |