| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.58 | 3.68 | -0.10 |
| Feb | 3.54 | 3.65 | -0.11 |
| Mar | 4.37 | 4.53 | -0.16 |
| Apr | 4.50 | 4.57 | -0.07 |
| May | 5.00 | 5.27 | -0.27 |
| Jun | 4.97 | 5.03 | -0.06 |
| Jul | 5.21 | 5.20 | 0.01 |
| Aug | 3.94 | 3.76 | 0.18 |
| Sep | 3.64 | 3.64 | 0.00 |
| Oct | 3.51 | 3.36 | 0.15 |
| Nov | 3.31 | 3.25 | 0.06 |
| Dec | 4.25 | 4.42 | -0.17 |
49.82 | 50.36 | -0.54 |