| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.35 | 3.31 | 0.04 |
| Feb | 3.15 | 3.01 | 0.14 |
| Mar | 3.36 | 3.40 | -0.04 |
| Apr | 3.22 | 3.22 | 0.00 |
| May | 3.13 | 3.00 | 0.13 |
| Jun | 5.32 | 5.53 | -0.21 |
| Jul | 5.83 | 5.41 | 0.42 |
| Aug | 6.44 | 6.62 | -0.18 |
| Sep | 4.56 | 4.66 | -0.10 |
| Oct | 4.03 | 3.86 | 0.17 |
| Nov | 2.56 | 2.46 | 0.10 |
| Dec | 3.14 | 3.24 | -0.10 |
48.09 | 47.72 | 0.37 |