| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.89 | 3.80 | 0.09 |
| Feb | 3.47 | 3.51 | -0.04 |
| Mar | 3.91 | 3.92 | -0.01 |
| Apr | 3.38 | 3.38 | 0.00 |
| May | 4.22 | 4.38 | -0.16 |
| Jun | 5.37 | 5.44 | -0.07 |
| Jul | 6.31 | 6.94 | -0.63 |
| Aug | 7.15 | 7.60 | -0.45 |
| Sep | 8.05 | 9.13 | -1.08 |
| Oct | 4.61 | 4.74 | -0.13 |
| Nov | 3.65 | 3.56 | 0.09 |
| Dec | 3.65 | 3.79 | -0.14 |
57.66 | 60.19 | -2.53 |