| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.50 | 3.86 | -0.36 |
| Feb | 2.98 | 3.48 | -0.50 |
| Mar | 4.10 | 4.71 | -0.61 |
| Apr | 4.19 | 4.49 | -0.30 |
| May | 3.57 | 3.78 | -0.21 |
| Jun | 3.94 | 4.08 | -0.14 |
| Jul | 3.23 | 3.54 | -0.31 |
| Aug | 3.74 | 4.21 | -0.47 |
| Sep | 4.09 | 4.45 | -0.36 |
| Oct | 4.60 | 4.71 | -0.11 |
| Nov | 3.78 | 3.93 | -0.15 |
| Dec | 4.28 | 4.77 | -0.49 |
46.00 | 50.01 | -4.01 |