| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.57 | 3.70 | -0.13 |
| Feb | 3.93 | 3.92 | 0.01 |
| Mar | 4.80 | 4.82 | -0.02 |
| Apr | 4.81 | 4.88 | -0.07 |
| May | 4.93 | 5.05 | -0.12 |
| Jun | 4.52 | 4.48 | 0.04 |
| Jul | 4.60 | 4.37 | 0.23 |
| Aug | 3.02 | 2.95 | 0.07 |
| Sep | 3.33 | 3.30 | 0.03 |
| Oct | 3.72 | 3.81 | -0.09 |
| Nov | 3.94 | 3.84 | 0.10 |
| Dec | 4.46 | 4.31 | 0.15 |
49.63 | 49.43 | 0.20 |