| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.43 | 3.60 | -0.17 |
| Feb | 2.83 | 2.83 | 0.00 |
| Mar | 4.18 | 4.38 | -0.20 |
| Apr | 3.58 | 3.52 | 0.06 |
| May | 3.58 | 3.67 | -0.09 |
| Jun | 4.21 | 4.16 | 0.05 |
| Jul | 4.88 | 4.89 | -0.01 |
| Aug | 4.51 | 4.88 | -0.37 |
| Sep | 3.95 | 4.01 | -0.06 |
| Oct | 3.97 | 4.03 | -0.06 |
| Nov | 3.21 | 3.24 | -0.03 |
| Dec | 4.18 | 4.34 | -0.16 |
46.51 | 47.55 | -1.04 |