| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.38 | 1.36 | 0.02 |
| Feb | 1.11 | 1.12 | -0.01 |
| Mar | 1.87 | 1.83 | 0.04 |
| Apr | 3.07 | 3.16 | -0.09 |
| May | 3.69 | 3.63 | 0.06 |
| Jun | 4.44 | 4.54 | -0.10 |
| Jul | 3.79 | 3.74 | 0.05 |
| Aug | 3.46 | 3.54 | -0.08 |
| Sep | 3.26 | 3.19 | 0.07 |
| Oct | 2.86 | 2.80 | 0.06 |
| Nov | 2.04 | 1.97 | 0.07 |
| Dec | 1.62 | 1.69 | -0.07 |
32.59 | 32.57 | 0.02 |