| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.30 | 3.11 | 0.19 |
| Feb | 2.67 | 2.48 | 0.19 |
| Mar | 3.78 | 3.67 | 0.11 |
| Apr | 3.76 | 3.59 | 0.17 |
| May | 3.86 | 3.94 | -0.08 |
| Jun | 4.28 | 4.46 | -0.18 |
| Jul | 4.53 | 4.59 | -0.06 |
| Aug | 4.32 | 4.18 | 0.14 |
| Sep | 4.76 | 4.69 | 0.07 |
| Oct | 4.18 | 4.09 | 0.09 |
| Nov | 3.31 | 3.13 | 0.18 |
| Dec | 3.63 | 3.59 | 0.04 |
46.38 | 45.52 | 0.86 |