| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.21 | 3.10 | 0.11 |
| Feb | 3.31 | 3.17 | 0.14 |
| Mar | 4.49 | 4.35 | 0.14 |
| Apr | 5.25 | 5.34 | -0.09 |
| May | 5.36 | 5.33 | 0.03 |
| Jun | 3.86 | 3.70 | 0.16 |
| Jul | 4.03 | 4.13 | -0.10 |
| Aug | 3.76 | 3.58 | 0.18 |
| Sep | 3.45 | 3.63 | -0.18 |
| Oct | 3.58 | 3.60 | -0.02 |
| Nov | 4.78 | 4.54 | 0.24 |
| Dec | 3.66 | 3.61 | 0.05 |
48.74 | 48.08 | 0.66 |