| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.32 | 2.84 | 0.48 |
| Feb | 3.28 | 3.51 | -0.23 |
| Mar | 3.49 | 3.38 | 0.11 |
| Apr | 3.29 | 3.17 | 0.12 |
| May | 3.41 | 3.49 | -0.08 |
| Jun | 5.60 | 5.69 | -0.09 |
| Jul | 5.54 | 6.11 | -0.57 |
| Aug | 6.15 | 6.34 | -0.19 |
| Sep | 5.28 | 5.30 | -0.02 |
| Oct | 4.24 | 4.16 | 0.08 |
| Nov | 2.86 | 2.76 | 0.10 |
| Dec | 3.44 | 3.88 | -0.44 |
49.90 | 50.63 | -0.73 |