| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.78 | 2.01 | -0.23 |
| Feb | 1.71 | 1.80 | -0.09 |
| Mar | 2.45 | 2.51 | -0.06 |
| Apr | 2.42 | 2.38 | 0.04 |
| May | 4.16 | 4.65 | -0.49 |
| Jun | 3.24 | 3.48 | -0.24 |
| Jul | 2.16 | 2.62 | -0.46 |
| Aug | 2.19 | 2.41 | -0.22 |
| Sep | 3.36 | 3.68 | -0.32 |
| Oct | 3.13 | 3.34 | -0.21 |
| Nov | 2.15 | 2.43 | -0.28 |
| Dec | 1.61 | 2.03 | -0.42 |
30.36 | 33.34 | -2.98 |