| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.86 | 3.83 | 0.03 |
| Feb | 4.24 | 4.34 | -0.10 |
| Mar | 5.19 | 5.13 | 0.06 |
| Apr | 5.59 | 5.58 | 0.01 |
| May | 5.60 | 5.26 | 0.34 |
| Jun | 3.72 | 3.70 | 0.02 |
| Jul | 3.93 | 3.74 | 0.19 |
| Aug | 3.58 | 3.18 | 0.40 |
| Sep | 3.30 | 3.39 | -0.09 |
| Oct | 4.52 | 4.39 | 0.13 |
| Nov | 4.72 | 4.82 | -0.10 |
| Dec | 5.15 | 5.38 | -0.23 |
53.40 | 52.74 | 0.66 |