| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.58 | 3.39 | 0.19 |
| Feb | 3.03 | 2.88 | 0.15 |
| Mar | 3.86 | 3.85 | 0.01 |
| Apr | 3.49 | 3.48 | 0.01 |
| May | 3.63 | 3.50 | 0.13 |
| Jun | 4.64 | 4.50 | 0.14 |
| Jul | 5.13 | 5.00 | 0.13 |
| Aug | 4.86 | 4.96 | -0.10 |
| Sep | 5.01 | 5.15 | -0.14 |
| Oct | 3.40 | 3.54 | -0.14 |
| Nov | 3.42 | 3.32 | 0.10 |
| Dec | 3.45 | 3.45 | 0.00 |
47.50 | 47.02 | 0.48 |