| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.26 | 2.24 | 0.02 |
| Feb | 1.93 | 2.01 | -0.08 |
| Mar | 2.59 | 2.68 | -0.09 |
| Apr | 4.02 | 3.88 | 0.14 |
| May | 4.45 | 4.43 | 0.02 |
| Jun | 4.48 | 4.51 | -0.03 |
| Jul | 4.23 | 4.10 | 0.13 |
| Aug | 3.44 | 3.30 | 0.14 |
| Sep | 3.09 | 3.15 | -0.06 |
| Oct | 3.23 | 3.21 | 0.02 |
| Nov | 3.07 | 3.00 | 0.07 |
| Dec | 2.26 | 2.32 | -0.06 |
39.05 | 38.83 | 0.22 |