| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.57 | 3.57 | 0.00 |
| Feb | 3.40 | 3.38 | 0.02 |
| Mar | 4.52 | 4.51 | 0.01 |
| Apr | 4.24 | 4.08 | 0.16 |
| May | 3.61 | 3.43 | 0.18 |
| Jun | 4.11 | 3.96 | 0.15 |
| Jul | 3.46 | 3.44 | 0.02 |
| Aug | 3.47 | 3.25 | 0.22 |
| Sep | 3.69 | 3.51 | 0.18 |
| Oct | 4.76 | 4.66 | 0.10 |
| Nov | 3.96 | 3.93 | 0.03 |
| Dec | 4.69 | 4.60 | 0.09 |
47.48 | 46.32 | 1.16 |