| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.77 | 2.64 | 0.13 |
| Feb | 2.08 | 2.05 | 0.03 |
| Mar | 3.02 | 2.86 | 0.16 |
| Apr | 3.06 | 2.96 | 0.10 |
| May | 4.29 | 4.34 | -0.05 |
| Jun | 3.82 | 3.92 | -0.10 |
| Jul | 2.28 | 2.47 | -0.19 |
| Aug | 2.89 | 3.06 | -0.17 |
| Sep | 3.55 | 3.56 | -0.01 |
| Oct | 4.10 | 4.11 | -0.01 |
| Nov | 3.00 | 2.97 | 0.03 |
| Dec | 2.72 | 2.63 | 0.09 |
37.58 | 37.57 | 0.01 |