| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.63 | 5.69 | -0.06 |
| Feb | 5.68 | 5.78 | -0.10 |
| Mar | 5.51 | 5.67 | -0.16 |
| Apr | 5.61 | 5.76 | -0.15 |
| May | 4.70 | 5.05 | -0.35 |
| Jun | 4.66 | 5.13 | -0.47 |
| Jul | 4.90 | 5.18 | -0.28 |
| Aug | 4.29 | 4.33 | -0.04 |
| Sep | 4.13 | 4.05 | 0.08 |
| Oct | 4.15 | 4.01 | 0.14 |
| Nov | 4.54 | 4.56 | -0.02 |
| Dec | 6.24 | 6.33 | -0.09 |
60.04 | 61.54 | -1.50 |