| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.72 | 3.88 | -0.16 |
| Feb | 4.15 | 4.34 | -0.19 |
| Mar | 4.71 | 4.92 | -0.21 |
| Apr | 4.76 | 4.94 | -0.18 |
| May | 5.10 | 5.26 | -0.16 |
| Jun | 4.55 | 4.73 | -0.18 |
| Jul | 4.47 | 4.58 | -0.11 |
| Aug | 3.63 | 3.70 | -0.07 |
| Sep | 3.65 | 3.76 | -0.11 |
| Oct | 3.66 | 3.77 | -0.11 |
| Nov | 3.69 | 3.77 | -0.08 |
| Dec | 4.53 | 4.79 | -0.26 |
50.62 | 52.44 | -1.82 |