| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.66 | 3.74 | -0.08 |
| Feb | 2.86 | 3.10 | -0.24 |
| Mar | 4.13 | 4.34 | -0.21 |
| Apr | 4.06 | 4.19 | -0.13 |
| May | 4.18 | 4.32 | -0.14 |
| Jun | 4.76 | 5.04 | -0.28 |
| Jul | 4.80 | 4.72 | 0.08 |
| Aug | 4.59 | 4.65 | -0.06 |
| Sep | 4.48 | 4.56 | -0.08 |
| Oct | 4.66 | 4.92 | -0.26 |
| Nov | 3.61 | 3.76 | -0.15 |
| Dec | 4.50 | 4.71 | -0.21 |
50.29 | 52.05 | -1.76 |