| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.20 | 6.62 | -0.42 |
| Feb | 5.01 | 5.13 | -0.12 |
| Mar | 4.63 | 4.74 | -0.11 |
| Apr | 5.17 | 5.20 | -0.03 |
| May | 5.26 | 5.22 | 0.04 |
| Jun | 5.53 | 5.93 | -0.40 |
| Jul | 4.95 | 4.85 | 0.10 |
| Aug | 5.00 | 5.48 | -0.48 |
| Sep | 4.14 | 4.39 | -0.25 |
| Oct | 4.43 | 4.61 | -0.18 |
| Nov | 4.22 | 4.32 | -0.10 |
| Dec | 5.37 | 5.27 | 0.10 |
59.91 | 61.76 | -1.85 |