| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.59 | 4.83 | 0.76 |
| Feb | 5.07 | 4.51 | 0.56 |
| Mar | 5.53 | 4.95 | 0.58 |
| Apr | 5.01 | 4.86 | 0.15 |
| May | 4.43 | 4.39 | 0.04 |
| Jun | 5.34 | 5.06 | 0.28 |
| Jul | 5.05 | 5.02 | 0.03 |
| Aug | 5.16 | 4.43 | 0.73 |
| Sep | 4.07 | 4.23 | -0.16 |
| Oct | 4.06 | 3.61 | 0.45 |
| Nov | 4.65 | 4.02 | 0.63 |
| Dec | 5.61 | 5.09 | 0.52 |
59.57 | 55.00 | 4.57 |