| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.14 | 3.09 | 0.05 |
| Feb | 2.65 | 2.38 | 0.27 |
| Mar | 3.57 | 3.12 | 0.45 |
| Apr | 3.58 | 3.41 | 0.17 |
| May | 4.11 | 3.82 | 0.29 |
| Jun | 4.31 | 3.96 | 0.35 |
| Jul | 4.13 | 3.46 | 0.67 |
| Aug | 3.32 | 3.18 | 0.14 |
| Sep | 3.76 | 3.51 | 0.25 |
| Oct | 2.92 | 2.65 | 0.27 |
| Nov | 2.92 | 2.87 | 0.05 |
| Dec | 3.23 | 3.41 | -0.18 |
41.64 | 38.86 | 2.78 |