| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.87 | 3.00 | -0.13 |
| Feb | 2.64 | 2.81 | -0.17 |
| Mar | 3.73 | 3.78 | -0.05 |
| Apr | 3.25 | 3.44 | -0.19 |
| May | 3.97 | 4.13 | -0.16 |
| Jun | 4.09 | 4.30 | -0.21 |
| Jul | 4.40 | 4.33 | 0.07 |
| Aug | 4.11 | 4.28 | -0.17 |
| Sep | 4.44 | 4.41 | 0.03 |
| Oct | 3.52 | 3.89 | -0.37 |
| Nov | 2.98 | 3.26 | -0.28 |
| Dec | 3.56 | 3.69 | -0.13 |
43.56 | 45.32 | -1.76 |