| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.37 | 3.45 | -0.08 |
| Feb | 2.77 | 2.72 | 0.05 |
| Mar | 3.87 | 4.05 | -0.18 |
| Apr | 3.41 | 3.30 | 0.11 |
| May | 4.22 | 4.17 | 0.05 |
| Jun | 3.73 | 3.66 | 0.07 |
| Jul | 4.32 | 4.13 | 0.19 |
| Aug | 3.77 | 3.83 | -0.06 |
| Sep | 4.41 | 4.56 | -0.15 |
| Oct | 3.63 | 3.63 | 0.00 |
| Nov | 3.33 | 3.30 | 0.03 |
| Dec | 3.56 | 3.58 | -0.02 |
44.39 | 44.38 | 0.01 |