| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.39 | 4.41 | -0.02 |
| Feb | 3.92 | 4.10 | -0.18 |
| Mar | 4.68 | 4.68 | 0.00 |
| Apr | 4.76 | 4.67 | 0.09 |
| May | 5.57 | 5.47 | 0.10 |
| Jun | 5.58 | 5.32 | 0.26 |
| Jul | 5.56 | 5.58 | -0.02 |
| Aug | 4.57 | 4.35 | 0.22 |
| Sep | 4.06 | 3.91 | 0.15 |
| Oct | 3.82 | 3.57 | 0.25 |
| Nov | 3.55 | 3.48 | 0.07 |
| Dec | 4.50 | 4.40 | 0.10 |
54.96 | 53.94 | 1.02 |