| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.13 | 4.18 | -0.05 |
| Feb | 4.59 | 4.50 | 0.09 |
| Mar | 4.76 | 4.76 | 0.00 |
| Apr | 4.98 | 4.92 | 0.06 |
| May | 5.02 | 5.18 | -0.16 |
| Jun | 4.32 | 4.30 | 0.02 |
| Jul | 4.60 | 4.62 | -0.02 |
| Aug | 3.94 | 3.96 | -0.02 |
| Sep | 3.75 | 3.80 | -0.05 |
| Oct | 3.54 | 3.46 | 0.08 |
| Nov | 3.72 | 3.67 | 0.05 |
| Dec | 4.75 | 4.80 | -0.05 |
52.10 | 52.15 | -0.05 |