| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.68 | 3.07 | 0.61 |
| Feb | 3.13 | 2.77 | 0.36 |
| Mar | 3.93 | 3.55 | 0.38 |
| Apr | 3.95 | 3.58 | 0.37 |
| May | 3.95 | 3.56 | 0.39 |
| Jun | 4.09 | 3.77 | 0.32 |
| Jul | 5.00 | 4.31 | 0.69 |
| Aug | 4.07 | 3.46 | 0.61 |
| Sep | 3.71 | 3.29 | 0.42 |
| Oct | 3.13 | 2.48 | 0.65 |
| Nov | 3.34 | 2.73 | 0.61 |
| Dec | 3.80 | 3.20 | 0.60 |
45.78 | 39.77 | 6.01 |