| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.40 | 3.29 | 0.11 |
| Feb | 2.80 | 2.80 | 0.00 |
| Mar | 3.32 | 3.27 | 0.05 |
| Apr | 2.94 | 3.24 | -0.30 |
| May | 4.94 | 4.72 | 0.22 |
| Jun | 3.79 | 3.93 | -0.14 |
| Jul | 2.15 | 2.01 | 0.14 |
| Aug | 2.99 | 3.17 | -0.18 |
| Sep | 3.53 | 3.47 | 0.06 |
| Oct | 4.52 | 4.54 | -0.02 |
| Nov | 3.71 | 3.70 | 0.01 |
| Dec | 3.52 | 3.59 | -0.07 |
41.61 | 41.73 | -0.12 |