| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.23 | 3.45 | -0.22 |
| Feb | 2.52 | 2.70 | -0.18 |
| Mar | 3.50 | 3.59 | -0.09 |
| Apr | 4.75 | 5.06 | -0.31 |
| May | 4.94 | 5.07 | -0.13 |
| Jun | 5.06 | 5.38 | -0.32 |
| Jul | 4.63 | 4.61 | 0.02 |
| Aug | 3.24 | 3.26 | -0.02 |
| Sep | 3.49 | 3.65 | -0.16 |
| Oct | 3.62 | 3.74 | -0.12 |
| Nov | 3.79 | 3.87 | -0.08 |
| Dec | 3.15 | 3.34 | -0.19 |
45.92 | 47.72 | -1.80 |