| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.52 | 3.59 | -0.07 |
| Feb | 3.67 | 3.64 | 0.03 |
| Mar | 4.57 | 4.59 | -0.02 |
| Apr | 4.64 | 4.58 | 0.06 |
| May | 5.32 | 5.33 | -0.01 |
| Jun | 4.80 | 4.96 | -0.16 |
| Jul | 4.94 | 5.01 | -0.07 |
| Aug | 3.60 | 3.60 | 0.00 |
| Sep | 3.67 | 3.65 | 0.02 |
| Oct | 3.62 | 3.48 | 0.14 |
| Nov | 3.33 | 3.35 | -0.02 |
| Dec | 4.15 | 4.25 | -0.10 |
49.83 | 50.03 | -0.20 |