| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.51 | 0.45 | 0.06 |
| Feb | 0.63 | 0.57 | 0.06 |
| Mar | 0.78 | 0.76 | 0.02 |
| Apr | 1.69 | 1.62 | 0.07 |
| May | 2.85 | 2.75 | 0.10 |
| Jun | 2.65 | 2.64 | 0.01 |
| Jul | 2.41 | 2.32 | 0.09 |
| Aug | 1.64 | 1.74 | -0.10 |
| Sep | 1.15 | 1.07 | 0.08 |
| Oct | 1.27 | 1.19 | 0.08 |
| Nov | 0.59 | 0.55 | 0.04 |
| Dec | 0.54 | 0.50 | 0.04 |
16.71 | 16.16 | 0.55 |