| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.38 | 3.38 | 0.00 |
| Feb | 2.85 | 3.02 | -0.17 |
| Mar | 3.65 | 3.60 | 0.05 |
| Apr | 3.33 | 3.42 | -0.09 |
| May | 3.74 | 3.90 | -0.16 |
| Jun | 4.32 | 4.36 | -0.04 |
| Jul | 5.41 | 5.20 | 0.21 |
| Aug | 5.14 | 5.13 | 0.01 |
| Sep | 4.90 | 4.72 | 0.18 |
| Oct | 3.86 | 4.13 | -0.27 |
| Nov | 2.92 | 3.10 | -0.18 |
| Dec | 3.30 | 3.55 | -0.25 |
46.80 | 47.51 | -0.71 |