| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.34 | 3.58 | -0.24 |
| Feb | 2.77 | 2.88 | -0.11 |
| Mar | 4.08 | 4.39 | -0.31 |
| Apr | 3.70 | 3.67 | 0.03 |
| May | 3.58 | 3.73 | -0.15 |
| Jun | 4.19 | 4.33 | -0.14 |
| Jul | 4.73 | 4.63 | 0.10 |
| Aug | 4.35 | 4.75 | -0.40 |
| Sep | 4.25 | 4.20 | 0.05 |
| Oct | 3.79 | 3.97 | -0.18 |
| Nov | 3.19 | 3.21 | -0.02 |
| Dec | 4.13 | 4.35 | -0.22 |
46.10 | 47.69 | -1.59 |