| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.02 | 4.03 | -0.01 |
| Feb | 3.54 | 3.49 | 0.05 |
| Mar | 4.77 | 4.83 | -0.06 |
| Apr | 4.45 | 4.56 | -0.11 |
| May | 3.62 | 3.52 | 0.10 |
| Jun | 4.15 | 4.19 | -0.04 |
| Jul | 3.48 | 3.51 | -0.03 |
| Aug | 3.85 | 3.81 | 0.04 |
| Sep | 4.01 | 4.00 | 0.01 |
| Oct | 4.88 | 4.94 | -0.06 |
| Nov | 4.14 | 4.21 | -0.07 |
| Dec | 4.89 | 4.91 | -0.02 |
49.80 | 50.00 | -0.20 |