| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.73 | 3.83 | -0.10 |
| Feb | 3.20 | 3.53 | -0.33 |
| Mar | 4.26 | 4.55 | -0.29 |
| Apr | 4.06 | 4.27 | -0.21 |
| May | 5.12 | 5.31 | -0.19 |
| Jun | 4.43 | 4.73 | -0.30 |
| Jul | 5.08 | 5.27 | -0.19 |
| Aug | 3.62 | 3.63 | -0.01 |
| Sep | 3.47 | 3.65 | -0.18 |
| Oct | 2.90 | 2.95 | -0.05 |
| Nov | 3.21 | 3.24 | -0.03 |
| Dec | 3.86 | 4.05 | -0.19 |
46.94 | 49.01 | -2.07 |