| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.58 | 6.04 | 0.54 |
| Feb | 4.98 | 4.69 | 0.29 |
| Mar | 5.32 | 4.80 | 0.52 |
| Apr | 4.00 | 3.68 | 0.32 |
| May | 2.78 | 2.64 | 0.14 |
| Jun | 1.65 | 1.61 | 0.04 |
| Jul | 0.37 | 0.36 | 0.01 |
| Aug | 0.46 | 0.45 | 0.01 |
| Sep | 1.54 | 1.53 | 0.01 |
| Oct | 3.75 | 3.57 | 0.18 |
| Nov | 6.77 | 6.23 | 0.54 |
| Dec | 7.70 | 6.85 | 0.85 |
45.90 | 42.45 | 3.45 |