| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.36 | 3.42 | -0.06 |
| Feb | 2.57 | 2.45 | 0.12 |
| Mar | 3.55 | 3.61 | -0.06 |
| Apr | 3.67 | 3.60 | 0.07 |
| May | 3.89 | 4.10 | -0.21 |
| Jun | 4.46 | 4.62 | -0.16 |
| Jul | 4.58 | 4.67 | -0.09 |
| Aug | 4.70 | 4.66 | 0.04 |
| Sep | 4.29 | 4.57 | -0.28 |
| Oct | 4.34 | 4.68 | -0.34 |
| Nov | 3.20 | 3.25 | -0.05 |
| Dec | 4.00 | 4.14 | -0.14 |
46.61 | 47.77 | -1.16 |