| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.16 | 2.93 | 0.23 |
| Feb | 3.12 | 3.14 | -0.02 |
| Mar | 4.35 | 4.32 | 0.03 |
| Apr | 5.23 | 5.31 | -0.08 |
| May | 5.39 | 5.40 | -0.01 |
| Jun | 3.78 | 3.81 | -0.03 |
| Jul | 3.93 | 4.12 | -0.19 |
| Aug | 3.65 | 3.65 | 0.00 |
| Sep | 3.50 | 3.61 | -0.11 |
| Oct | 3.43 | 3.58 | -0.15 |
| Nov | 4.56 | 4.59 | -0.03 |
| Dec | 3.31 | 3.52 | -0.21 |
47.41 | 47.98 | -0.57 |