| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.71 | 3.60 | 0.11 |
| Feb | 3.29 | 3.26 | 0.03 |
| Mar | 4.25 | 4.28 | -0.03 |
| Apr | 4.29 | 4.25 | 0.04 |
| May | 3.59 | 3.57 | 0.02 |
| Jun | 4.30 | 4.16 | 0.14 |
| Jul | 3.74 | 3.73 | 0.01 |
| Aug | 4.19 | 4.10 | 0.09 |
| Sep | 4.08 | 3.94 | 0.14 |
| Oct | 4.90 | 4.93 | -0.03 |
| Nov | 3.91 | 3.71 | 0.20 |
| Dec | 4.38 | 4.53 | -0.15 |
48.63 | 48.06 | 0.57 |