| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.78 | 3.88 | -0.10 |
| Feb | 3.52 | 3.64 | -0.12 |
| Mar | 3.85 | 4.16 | -0.31 |
| Apr | 3.00 | 3.09 | -0.09 |
| May | 3.27 | 3.39 | -0.12 |
| Jun | 4.67 | 4.80 | -0.13 |
| Jul | 4.46 | 4.62 | -0.16 |
| Aug | 4.54 | 4.92 | -0.38 |
| Sep | 3.98 | 4.25 | -0.27 |
| Oct | 3.20 | 3.51 | -0.31 |
| Nov | 2.94 | 3.25 | -0.31 |
| Dec | 3.86 | 4.00 | -0.14 |
45.07 | 47.51 | -2.44 |