| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.76 | 3.72 | 0.04 |
| Feb | 3.18 | 3.05 | 0.13 |
| Mar | 4.02 | 4.00 | 0.02 |
| Apr | 3.48 | 3.51 | -0.03 |
| May | 3.78 | 3.85 | -0.07 |
| Jun | 4.70 | 4.73 | -0.03 |
| Jul | 5.72 | 5.48 | 0.24 |
| Aug | 5.50 | 5.61 | -0.11 |
| Sep | 5.60 | 5.63 | -0.03 |
| Oct | 3.80 | 3.93 | -0.13 |
| Nov | 3.31 | 3.30 | 0.01 |
| Dec | 3.39 | 3.46 | -0.07 |
50.24 | 50.27 | -0.03 |