| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.59 | 3.66 | -0.07 |
| Feb | 3.77 | 3.79 | -0.02 |
| Mar | 4.65 | 4.69 | -0.04 |
| Apr | 5.09 | 5.15 | -0.06 |
| May | 5.29 | 5.52 | -0.23 |
| Jun | 4.67 | 4.73 | -0.06 |
| Jul | 4.12 | 4.40 | -0.28 |
| Aug | 3.16 | 3.14 | 0.02 |
| Sep | 3.54 | 3.54 | 0.00 |
| Oct | 3.86 | 3.81 | 0.05 |
| Nov | 3.91 | 3.85 | 0.06 |
| Dec | 4.45 | 4.43 | 0.02 |
50.10 | 50.71 | -0.61 |