| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.60 | 3.95 | 0.65 |
| Feb | 3.69 | 3.31 | 0.38 |
| Mar | 4.58 | 4.02 | 0.56 |
| Apr | 4.80 | 4.15 | 0.65 |
| May | 4.73 | 4.21 | 0.52 |
| Jun | 4.62 | 4.28 | 0.34 |
| Jul | 4.74 | 4.44 | 0.30 |
| Aug | 5.01 | 4.44 | 0.57 |
| Sep | 4.72 | 4.31 | 0.41 |
| Oct | 4.04 | 3.09 | 0.95 |
| Nov | 4.16 | 3.38 | 0.78 |
| Dec | 4.79 | 4.07 | 0.72 |
54.48 | 47.65 | 6.83 |