| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.20 | 3.25 | -0.05 |
| Feb | 3.16 | 3.09 | 0.07 |
| Mar | 4.16 | 4.18 | -0.02 |
| Apr | 3.62 | 3.66 | -0.04 |
| May | 4.71 | 4.69 | 0.02 |
| Jun | 4.29 | 4.31 | -0.02 |
| Jul | 4.80 | 5.09 | -0.29 |
| Aug | 3.58 | 3.64 | -0.06 |
| Sep | 3.31 | 3.32 | -0.01 |
| Oct | 3.04 | 2.99 | 0.05 |
| Nov | 2.92 | 2.93 | -0.01 |
| Dec | 3.69 | 3.74 | -0.05 |
44.48 | 44.89 | -0.41 |