| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.81 | 4.78 | 0.03 |
| Feb | 4.74 | 4.74 | 0.00 |
| Mar | 5.01 | 4.87 | 0.14 |
| Apr | 4.00 | 4.11 | -0.11 |
| May | 3.85 | 3.99 | -0.14 |
| Jun | 4.67 | 4.69 | -0.02 |
| Jul | 4.60 | 4.60 | 0.00 |
| Aug | 4.45 | 4.64 | -0.19 |
| Sep | 4.08 | 4.18 | -0.10 |
| Oct | 3.69 | 3.64 | 0.05 |
| Nov | 4.25 | 4.18 | 0.07 |
| Dec | 4.63 | 4.78 | -0.15 |
52.78 | 53.20 | -0.42 |