| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.60 | 5.71 | -0.11 |
| Feb | 4.08 | 4.09 | -0.01 |
| Mar | 3.50 | 3.74 | -0.24 |
| Apr | 4.81 | 5.05 | -0.24 |
| May | 4.87 | 4.73 | 0.14 |
| Jun | 6.45 | 6.87 | -0.42 |
| Jul | 6.67 | 6.97 | -0.30 |
| Aug | 6.76 | 6.77 | -0.01 |
| Sep | 5.44 | 5.47 | -0.03 |
| Oct | 4.57 | 4.72 | -0.15 |
| Nov | 4.60 | 4.56 | 0.04 |
| Dec | 4.52 | 4.40 | 0.12 |
61.87 | 63.08 | -1.21 |