| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.56 | 0.60 | -0.04 |
| Feb | 0.74 | 0.77 | -0.03 |
| Mar | 1.35 | 1.41 | -0.06 |
| Apr | 2.65 | 2.73 | -0.08 |
| May | 4.55 | 4.62 | -0.07 |
| Jun | 3.98 | 3.80 | 0.18 |
| Jul | 3.72 | 3.69 | 0.03 |
| Aug | 3.45 | 3.44 | 0.01 |
| Sep | 2.13 | 2.16 | -0.03 |
| Oct | 2.15 | 2.09 | 0.06 |
| Nov | 1.24 | 1.22 | 0.02 |
| Dec | 0.86 | 0.90 | -0.04 |
27.38 | 27.43 | -0.05 |