| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.36 | 4.21 | 0.15 |
| Feb | 3.60 | 3.49 | 0.11 |
| Mar | 4.45 | 4.31 | 0.14 |
| Apr | 4.72 | 4.65 | 0.07 |
| May | 4.83 | 4.61 | 0.22 |
| Jun | 4.70 | 4.08 | 0.62 |
| Jul | 5.05 | 4.54 | 0.51 |
| Aug | 5.32 | 4.59 | 0.73 |
| Sep | 4.95 | 4.88 | 0.07 |
| Oct | 4.22 | 3.81 | 0.41 |
| Nov | 4.09 | 3.75 | 0.34 |
| Dec | 4.29 | 4.29 | 0.00 |
54.58 | 51.21 | 3.37 |