| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.10 | 4.07 | 0.03 |
| Feb | 4.56 | 4.68 | -0.12 |
| Mar | 4.63 | 5.02 | -0.39 |
| Apr | 4.73 | 5.00 | -0.27 |
| May | 5.16 | 5.74 | -0.58 |
| Jun | 4.31 | 4.01 | 0.30 |
| Jul | 4.24 | 4.62 | -0.38 |
| Aug | 3.60 | 3.50 | 0.10 |
| Sep | 3.46 | 3.64 | -0.18 |
| Oct | 3.82 | 4.05 | -0.23 |
| Nov | 3.78 | 3.90 | -0.12 |
| Dec | 4.84 | 4.97 | -0.13 |
51.23 | 53.20 | -1.97 |