| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.41 | 3.58 | -0.17 |
| Feb | 3.46 | 3.54 | -0.08 |
| Mar | 4.54 | 4.58 | -0.04 |
| Apr | 5.32 | 5.29 | 0.03 |
| May | 5.08 | 5.35 | -0.27 |
| Jun | 4.19 | 4.04 | 0.15 |
| Jul | 4.06 | 3.91 | 0.15 |
| Aug | 3.16 | 3.07 | 0.09 |
| Sep | 3.35 | 3.26 | 0.09 |
| Oct | 3.70 | 3.71 | -0.01 |
| Nov | 4.37 | 4.37 | 0.00 |
| Dec | 3.71 | 3.90 | -0.19 |
48.35 | 48.60 | -0.25 |