| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.21 | 3.22 | -0.01 |
| Feb | 2.54 | 2.58 | -0.04 |
| Mar | 3.67 | 3.78 | -0.11 |
| Apr | 3.77 | 3.73 | 0.04 |
| May | 3.87 | 4.09 | -0.22 |
| Jun | 4.20 | 4.41 | -0.21 |
| Jul | 4.45 | 4.54 | -0.09 |
| Aug | 4.23 | 4.19 | 0.04 |
| Sep | 4.54 | 4.72 | -0.18 |
| Oct | 4.06 | 4.00 | 0.06 |
| Nov | 3.25 | 3.14 | 0.11 |
| Dec | 3.50 | 3.61 | -0.11 |
45.29 | 46.01 | -0.72 |