| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.45 | 3.44 | 0.01 |
| Feb | 3.15 | 3.09 | 0.06 |
| Mar | 3.46 | 3.54 | -0.08 |
| Apr | 3.11 | 3.16 | -0.05 |
| May | 3.45 | 3.21 | 0.24 |
| Jun | 5.79 | 6.12 | -0.33 |
| Jul | 5.60 | 5.72 | -0.12 |
| Aug | 5.93 | 6.70 | -0.77 |
| Sep | 4.74 | 5.03 | -0.29 |
| Oct | 3.63 | 4.45 | -0.82 |
| Nov | 2.22 | 2.52 | -0.30 |
| Dec | 2.97 | 3.28 | -0.31 |
47.50 | 50.26 | -2.76 |