| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.51 | 3.60 | -0.09 |
| Feb | 2.71 | 3.01 | -0.30 |
| Mar | 3.79 | 4.05 | -0.26 |
| Apr | 3.98 | 4.19 | -0.21 |
| May | 3.98 | 4.27 | -0.29 |
| Jun | 4.82 | 5.13 | -0.31 |
| Jul | 4.94 | 4.92 | 0.02 |
| Aug | 4.56 | 4.97 | -0.41 |
| Sep | 4.85 | 4.86 | -0.01 |
| Oct | 4.47 | 4.76 | -0.29 |
| Nov | 3.62 | 3.74 | -0.12 |
| Dec | 4.00 | 4.37 | -0.37 |
49.23 | 51.87 | -2.64 |