| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.05 | 4.97 | 0.08 |
| Feb | 5.29 | 5.21 | 0.08 |
| Mar | 5.25 | 5.06 | 0.19 |
| Apr | 5.02 | 5.13 | -0.11 |
| May | 3.90 | 4.31 | -0.41 |
| Jun | 4.54 | 4.60 | -0.06 |
| Jul | 4.63 | 5.30 | -0.67 |
| Aug | 3.89 | 3.70 | 0.19 |
| Sep | 4.16 | 4.07 | 0.09 |
| Oct | 3.50 | 3.04 | 0.46 |
| Nov | 4.62 | 4.15 | 0.47 |
| Dec | 6.00 | 5.69 | 0.31 |
55.85 | 55.23 | 0.62 |