| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.41 | 4.37 | 0.04 |
| Feb | 4.22 | 4.00 | 0.22 |
| Mar | 5.05 | 4.97 | 0.08 |
| Apr | 4.70 | 4.70 | 0.00 |
| May | 4.93 | 5.36 | -0.43 |
| Jun | 4.92 | 4.97 | -0.05 |
| Jul | 5.10 | 5.10 | 0.00 |
| Aug | 3.76 | 3.70 | 0.06 |
| Sep | 3.57 | 3.66 | -0.09 |
| Oct | 3.38 | 3.51 | -0.13 |
| Nov | 3.57 | 3.56 | 0.01 |
| Dec | 4.81 | 4.95 | -0.14 |
52.42 | 52.85 | -0.43 |