| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.80 | 0.80 | 0.00 |
| Feb | 0.85 | 0.89 | -0.04 |
| Mar | 1.42 | 1.41 | 0.01 |
| Apr | 2.56 | 2.52 | 0.04 |
| May | 3.41 | 3.41 | 0.00 |
| Jun | 4.56 | 4.70 | -0.14 |
| Jul | 4.44 | 4.57 | -0.13 |
| Aug | 3.74 | 3.80 | -0.06 |
| Sep | 3.19 | 3.24 | -0.05 |
| Oct | 3.02 | 3.08 | -0.06 |
| Nov | 1.62 | 1.58 | 0.04 |
| Dec | 1.19 | 1.23 | -0.04 |
30.80 | 31.23 | -0.43 |