| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.65 | 0.68 | -0.03 |
| Feb | 0.67 | 0.72 | -0.05 |
| Mar | 1.37 | 1.32 | 0.05 |
| Apr | 2.44 | 2.46 | -0.02 |
| May | 3.24 | 3.16 | 0.08 |
| Jun | 4.10 | 4.01 | 0.09 |
| Jul | 3.63 | 3.74 | -0.11 |
| Aug | 3.71 | 3.60 | 0.11 |
| Sep | 2.77 | 2.69 | 0.08 |
| Oct | 2.35 | 2.35 | 0.00 |
| Nov | 1.14 | 1.12 | 0.02 |
| Dec | 0.79 | 0.78 | 0.01 |
26.86 | 26.63 | 0.23 |