| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.41 | 2.46 | -0.05 |
| Feb | 2.05 | 2.11 | -0.06 |
| Mar | 2.28 | 2.36 | -0.08 |
| Apr | 3.56 | 3.50 | 0.06 |
| May | 4.13 | 4.19 | -0.06 |
| Jun | 4.00 | 3.94 | 0.06 |
| Jul | 3.81 | 3.71 | 0.10 |
| Aug | 3.66 | 3.93 | -0.27 |
| Sep | 3.24 | 3.08 | 0.16 |
| Oct | 3.19 | 3.01 | 0.18 |
| Nov | 2.97 | 2.93 | 0.04 |
| Dec | 2.34 | 2.36 | -0.02 |
37.64 | 37.58 | 0.06 |