| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.35 | 3.40 | -0.05 |
| Feb | 2.89 | 3.03 | -0.14 |
| Mar | 4.08 | 3.92 | 0.16 |
| Apr | 4.07 | 4.01 | 0.06 |
| May | 3.58 | 3.57 | 0.01 |
| Jun | 4.23 | 4.30 | -0.07 |
| Jul | 3.97 | 4.02 | -0.05 |
| Aug | 4.10 | 4.00 | 0.10 |
| Sep | 4.14 | 4.19 | -0.05 |
| Oct | 4.60 | 4.62 | -0.02 |
| Nov | 3.74 | 3.77 | -0.03 |
| Dec | 4.30 | 4.37 | -0.07 |
47.05 | 47.20 | -0.15 |