| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.08 | 5.28 | -0.20 |
| Feb | 5.22 | 5.28 | -0.06 |
| Mar | 5.48 | 5.52 | -0.04 |
| Apr | 4.62 | 4.59 | 0.03 |
| May | 4.00 | 4.06 | -0.06 |
| Jun | 4.58 | 4.64 | -0.06 |
| Jul | 4.76 | 4.89 | -0.13 |
| Aug | 4.21 | 4.49 | -0.28 |
| Sep | 3.65 | 3.56 | 0.09 |
| Oct | 3.09 | 3.15 | -0.06 |
| Nov | 4.22 | 4.18 | 0.04 |
| Dec | 5.46 | 5.41 | 0.05 |
54.37 | 55.05 | -0.68 |