| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.63 | 3.65 | -0.02 |
| Feb | 3.80 | 3.79 | 0.01 |
| Mar | 4.71 | 4.70 | 0.01 |
| Apr | 4.93 | 4.93 | 0.00 |
| May | 5.32 | 5.42 | -0.10 |
| Jun | 4.62 | 4.57 | 0.05 |
| Jul | 4.45 | 4.31 | 0.14 |
| Aug | 3.52 | 3.36 | 0.16 |
| Sep | 3.57 | 3.54 | 0.03 |
| Oct | 3.76 | 3.79 | -0.03 |
| Nov | 3.63 | 3.62 | 0.01 |
| Dec | 4.42 | 4.49 | -0.07 |
50.36 | 50.17 | 0.19 |