| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.18 | 4.30 | -0.12 |
| Feb | 3.65 | 3.86 | -0.21 |
| Mar | 4.55 | 4.60 | -0.05 |
| Apr | 4.30 | 4.36 | -0.06 |
| May | 3.77 | 3.94 | -0.17 |
| Jun | 4.25 | 4.45 | -0.20 |
| Jul | 4.23 | 4.36 | -0.13 |
| Aug | 4.46 | 4.55 | -0.09 |
| Sep | 3.87 | 4.17 | -0.30 |
| Oct | 3.58 | 3.77 | -0.19 |
| Nov | 3.78 | 3.94 | -0.16 |
| Dec | 4.31 | 4.63 | -0.32 |
48.93 | 50.93 | -2.00 |