| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.01 | 4.31 | -0.30 |
| Feb | 3.82 | 3.93 | -0.11 |
| Mar | 4.58 | 5.09 | -0.51 |
| Apr | 4.57 | 4.57 | 0.00 |
| May | 5.70 | 5.64 | 0.06 |
| Jun | 5.38 | 5.51 | -0.13 |
| Jul | 5.80 | 6.28 | -0.48 |
| Aug | 4.45 | 4.56 | -0.11 |
| Sep | 4.20 | 4.19 | 0.01 |
| Oct | 3.72 | 3.75 | -0.03 |
| Nov | 3.52 | 3.75 | -0.23 |
| Dec | 4.36 | 4.73 | -0.37 |
54.11 | 56.31 | -2.20 |