| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.76 | 3.88 | -0.12 |
| Feb | 3.00 | 3.05 | -0.05 |
| Mar | 4.06 | 3.98 | 0.08 |
| Apr | 4.04 | 3.94 | 0.10 |
| May | 4.59 | 4.64 | -0.05 |
| Jun | 4.78 | 4.63 | 0.15 |
| Jul | 4.18 | 4.39 | -0.21 |
| Aug | 4.29 | 4.09 | 0.20 |
| Sep | 4.95 | 5.07 | -0.12 |
| Oct | 3.60 | 3.37 | 0.23 |
| Nov | 3.64 | 3.36 | 0.28 |
| Dec | 3.83 | 3.79 | 0.04 |
48.72 | 48.19 | 0.53 |