| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.56 | 3.62 | -0.06 |
| Feb | 3.10 | 2.94 | 0.16 |
| Mar | 4.00 | 4.02 | -0.02 |
| Apr | 3.58 | 3.58 | 0.00 |
| May | 3.74 | 3.63 | 0.11 |
| Jun | 4.42 | 4.32 | 0.10 |
| Jul | 5.00 | 5.31 | -0.31 |
| Aug | 5.12 | 5.04 | 0.08 |
| Sep | 5.44 | 5.53 | -0.09 |
| Oct | 3.33 | 3.33 | 0.00 |
| Nov | 3.38 | 3.37 | 0.01 |
| Dec | 3.53 | 3.48 | 0.05 |
48.20 | 48.17 | 0.03 |