| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.41 | 0.44 | -0.03 |
| Feb | 0.58 | 0.62 | -0.04 |
| Mar | 0.80 | 0.86 | -0.06 |
| Apr | 1.85 | 1.99 | -0.14 |
| May | 3.09 | 3.20 | -0.11 |
| Jun | 3.48 | 3.60 | -0.12 |
| Jul | 2.67 | 2.76 | -0.09 |
| Aug | 2.24 | 2.30 | -0.06 |
| Sep | 1.82 | 1.80 | 0.02 |
| Oct | 1.72 | 1.74 | -0.02 |
| Nov | 0.53 | 0.58 | -0.05 |
| Dec | 0.44 | 0.50 | -0.06 |
19.63 | 20.39 | -0.76 |