| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.88 | 3.49 | 0.39 |
| Feb | 4.32 | 4.20 | 0.12 |
| Mar | 4.63 | 4.49 | 0.14 |
| Apr | 4.70 | 4.66 | 0.04 |
| May | 5.22 | 5.04 | 0.18 |
| Jun | 4.13 | 4.04 | 0.09 |
| Jul | 3.51 | 3.35 | 0.16 |
| Aug | 2.96 | 3.02 | -0.06 |
| Sep | 3.85 | 3.71 | 0.14 |
| Oct | 4.58 | 4.50 | 0.08 |
| Nov | 4.11 | 4.20 | -0.09 |
| Dec | 4.91 | 4.94 | -0.03 |
50.80 | 49.64 | 1.16 |