| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.00 | 4.03 | -0.03 |
| Feb | 3.10 | 3.14 | -0.04 |
| Mar | 3.58 | 3.59 | -0.01 |
| Apr | 3.83 | 3.72 | 0.11 |
| May | 5.07 | 5.05 | 0.02 |
| Jun | 5.03 | 4.93 | 0.10 |
| Jul | 3.81 | 3.65 | 0.16 |
| Aug | 4.53 | 4.51 | 0.02 |
| Sep | 4.28 | 4.52 | -0.24 |
| Oct | 5.18 | 5.03 | 0.15 |
| Nov | 4.25 | 4.46 | -0.21 |
| Dec | 4.05 | 4.06 | -0.01 |
50.71 | 50.69 | 0.02 |