| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.52 | 3.57 | -0.05 |
| Feb | 3.60 | 3.59 | 0.01 |
| Mar | 4.52 | 4.60 | -0.08 |
| Apr | 4.56 | 4.60 | -0.04 |
| May | 5.25 | 5.28 | -0.03 |
| Jun | 4.73 | 4.91 | -0.18 |
| Jul | 5.00 | 5.01 | -0.01 |
| Aug | 3.66 | 3.57 | 0.09 |
| Sep | 3.69 | 3.60 | 0.09 |
| Oct | 3.54 | 3.41 | 0.13 |
| Nov | 3.29 | 3.32 | -0.03 |
| Dec | 4.08 | 4.18 | -0.10 |
49.44 | 49.64 | -0.20 |